to using internal msrpc code in smbd.
lib/signal.o lib/slprintf.o lib/system.o lib/doscalls.o lib/time.o \
lib/ufc.o lib/genrand.o lib/username.o lib/access.o lib/smbrun.o \
lib/bitmap.o lib/crc32.o lib/snprintf.o \
- lib/util_str.o lib/util_sid.o \
+ lib/util_array.o lib/util_str.o lib/util_sid.o \
lib/util_unistr.o lib/util_file.o \
lib/util.o lib/util_sock.o lib/util_sec.o smbd/ssl.o lib/fnmatch.o \
tdb/tdb.o
rpc_server/srv_pipe_hnd.o rpc_server/srv_reg.o \
rpc_server/srv_samr.o rpc_server/srv_srvsvc.o \
rpc_server/srv_util.o rpc_server/srv_wkssvc.o \
- rpc_server/srv_pipe.o
+ rpc_server/srv_pipe_srv.o rpc_server/srv_pipe.o
RPC_PARSE_OBJ = rpc_parse/parse_lsa.o rpc_parse/parse_misc.o \
rpc_parse/parse_net.o rpc_parse/parse_prs.o \
smbd/message.o smbd/nttrans.o smbd/pipes.o smbd/predict.o \
smbd/$(QUOTAOBJS) smbd/reply.o smbd/trans2.o smbd/uid.o \
smbd/dosmode.o smbd/filename.o smbd/open.o smbd/close.o smbd/blocking.o \
+ lib/msrpc-client.o lib/msrpc_use.o \
+ rpc_parse/parse_creds.o \
smbd/process.o smbd/oplock.o smbd/service.o smbd/error.o
PRINTING_OBJ = printing/pcap.o printing/print_svid.o printing/printing.o \
#!/bin/sh
-export CFLAGS="-g -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align"
+export CFLAGS="-g -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -DDEBUG_PASSWORD"
./configure
time_t t;
};
-struct pwd_info
-{
- BOOL null_pwd;
- BOOL cleartext;
- BOOL crypted;
-
- fstring password;
-
- uchar smb_lm_pwd[16];
- uchar smb_nt_pwd[16];
-
- uchar smb_lm_owf[24];
- uchar smb_nt_owf[24];
-};
-
struct cli_state {
int port;
int fd;
/* When replying to an SMBtrans, this is the maximum amount of
data that can be sent in the initial reply. */
int max_trans_reply;
+
+ /* remote, server-side rpc redirection */
+ struct msrpc_state *m;
+
} pipes_struct;
struct api_struct
int dos_rmdir(char *dname);
int dos_chdir(char *dname);
int dos_utime(char *fname,struct utimbuf *times);
+int copy_reg(char *source, const char *dest);
int dos_rename(char *from, char *to);
int dos_chmod(char *fname,mode_t mode);
char *dos_getwd(char *unix_path);
void mdfour(unsigned char *out, unsigned char *in, int n);
+/*The following definitions come from lib/msrpc-client.c */
+
+BOOL receive_msrpc(int fd, prs_struct *data, unsigned int timeout);
+BOOL msrpc_send(int fd, prs_struct *ps);
+BOOL msrpc_receive(int fd, prs_struct *ps);
+BOOL msrpc_connect(struct msrpc_state *msrpc, const char *pipe_name);
+void msrpc_init_creds(struct msrpc_state *msrpc, const struct user_creds *usr);
+void msrpc_close_socket(struct msrpc_state *msrpc);
+void msrpc_sockopt(struct msrpc_state *msrpc, char *options);
+BOOL msrpc_connect_auth(struct msrpc_state *msrpc,
+ const char* pipename,
+ const struct user_creds *usr);
+struct msrpc_state *msrpc_initialise(struct msrpc_state *msrpc);
+void msrpc_shutdown(struct msrpc_state *msrpc);
+BOOL msrpc_establish_connection(struct msrpc_state *msrpc,
+ const char *pipe_name);
+
+/*The following definitions come from lib/msrpc_use.c */
+
+void init_msrpc_use(void);
+void free_msrpc_use(void);
+struct msrpc_state *msrpc_use_add(const char* pipe_name,
+ const struct user_creds *usr_creds,
+ BOOL redir);
+BOOL msrpc_use_del(const char* pipe_name,
+ const struct user_creds *usr_creds,
+ BOOL force_close,
+ BOOL *connection_closed);
+void msrpc_net_use_enum(uint32 *num_cons, struct use_info ***use);
+
/*The following definitions come from lib/pidfile.c */
pid_t pidfile_pid(char *name);
char *dns_to_netbios_name(char *dns_name);
int name_mangle( char *In, char *Out, char name_type );
BOOL file_exist(char *fname,SMB_STRUCT_STAT *sbuf);
+int file_rename(char *from, char *to);
time_t file_modtime(char *fname);
BOOL directory_exist(char *dname,SMB_STRUCT_STAT *st);
SMB_OFF_T get_file_size(char *file_name);
char *myhostname(void);
char *lock_path(char *name);
+/*The following definitions come from lib/util_array.c */
+
+void free_void_array(uint32 num_entries, void **entries,
+ void(free_item)(void*));
+void* add_copy_to_array(uint32 *len, void ***array, const void *item,
+ void*(item_dup)(const void*), BOOL alloc_anyway);
+void* add_item_to_array(uint32 *len, void ***array, void *item);
+void free_use_info_array(uint32 num_entries, struct use_info **entries);
+struct use_info* add_use_info_to_array(uint32 *len, struct use_info ***array,
+ const struct use_info *name);
+void free_char_array(uint32 num_entries, char **entries);
+char* add_chars_to_array(uint32 *len, char ***array, const char *name);
+void free_uint32_array(uint32 num_entries, uint32 **entries);
+uint32* add_uint32s_to_array(uint32 *len, uint32 ***array, const uint32 *name);
+void free_sid_array(uint32 num_entries, DOM_SID **entries);
+DOM_SID* add_sid_to_array(uint32 *len, DOM_SID ***array, const DOM_SID *sid);
+
/*The following definitions come from lib/util_file.c */
BOOL do_file_lock(int fd, int waitsecs, int type);
BOOL string_to_sid(DOM_SID *sidout, char *sidstr);
BOOL sid_append_rid(DOM_SID *sid, uint32 rid);
BOOL sid_split_rid(DOM_SID *sid, uint32 *rid);
-void sid_copy(DOM_SID *dst, DOM_SID *src);
+void sid_copy(DOM_SID *dst, const DOM_SID *src);
DOM_SID *sid_dup(DOM_SID *src);
BOOL sid_linearize(char *outbuf, size_t len, DOM_SID *sid);
BOOL sid_equal(DOM_SID *sid1, DOM_SID *sid2);
size_t sid_size(DOM_SID *sid);
+BOOL read_sid(char *sam_name, DOM_SID *sid);
+BOOL write_sid(char *sam_name, DOM_SID *sid);
+BOOL create_new_sid(DOM_SID *sid);
/*The following definitions come from lib/util_sock.c */
void reset_globals_after_fork(void);
char *client_name(int fd);
char *client_addr(int fd);
+int open_pipe_sock(char *path);
+int create_pipe_socket(char *dir, int dir_perms,
+ char *path, int path_perms);
/*The following definitions come from lib/util_str.c */
void pwd_init(struct pwd_info *pwd);
void pwd_obfuscate_key(struct pwd_info *pwd, uint32 int_key, char *str_key);
+BOOL pwd_compare(struct pwd_info *pwd1, struct pwd_info *pwd2);
void pwd_read(struct pwd_info *pwd, char *passwd_report, BOOL do_encrypt);
void pwd_set_nullpwd(struct pwd_info *pwd);
void pwd_set_cleartext(struct pwd_info *pwd, char *clr);
void unexpected_packet(struct packet_struct *p);
void clear_unexpected(time_t t);
-struct packet_struct *receive_unexpected(enum packet_type packet_type, int id, char *mailslot_name);
+struct packet_struct *receive_unexpected(enum packet_type packet_type, int id,
+ char *mailslot_name);
/*The following definitions come from locking/locking.c */
void pdb_sethexpwd(char *p, unsigned char *pwd, uint16 acct_ctrl);
BOOL pdb_gethexpwd(char *p, unsigned char *pwd);
BOOL pdb_name_to_rid(char *user_name, uint32 *u_rid, uint32 *g_rid);
-BOOL pdb_generate_sam_sid(void);
+BOOL pdb_generate_sam_sid(char *domain_name, DOM_SID *sid);
uid_t pdb_user_rid_to_uid(uint32 user_rid);
gid_t pdb_user_rid_to_gid(uint32 user_rid);
uint32 pdb_uid_to_user_rid(uid_t uid);
char *server_name, uint32 switch_value,
WKS_INFO_100 *wks100);
+/*The following definitions come from rpc_parse/parse_creds.c */
+
+BOOL make_creds_unix(CREDS_UNIX *r_u, const char* user_name,
+ const char* requested_name,
+ const char* real_name,
+ BOOL guest);
+BOOL creds_io_unix(char *desc, CREDS_UNIX *r_u, prs_struct *ps, int depth);
+void creds_free_unix(CREDS_UNIX *r_u);
+BOOL make_creds_unix_sec(CREDS_UNIX_SEC *r_u,
+ uint32 uid, uint32 gid, uint32 num_grps, gid_t *grps);
+BOOL creds_io_unix_sec(char *desc, CREDS_UNIX_SEC *r_u, prs_struct *ps, int depth);
+void creds_free_unix_sec(CREDS_UNIX_SEC *r_u);
+BOOL make_creds_nt_sec(CREDS_NT_SEC *r_u,
+ DOM_SID *sid, uint32 num_grps, uint32 *grps);
+BOOL creds_io_nt_sec(char *desc, CREDS_NT_SEC *r_u, prs_struct *ps, int depth);
+void creds_free_nt_sec(CREDS_NT_SEC *r_u);
+BOOL creds_io_pwd_info(char *desc, struct pwd_info *pwd, prs_struct *ps, int depth);
+BOOL creds_io_nt(char *desc, CREDS_NT *r_u, prs_struct *ps, int depth);
+void creds_free_nt(CREDS_NT *r_u);
+BOOL creds_io_hybrid(char *desc, CREDS_HYBRID *r_u, prs_struct *ps, int depth);
+void copy_unix_creds(CREDS_UNIX *to, const CREDS_UNIX *from);
+void copy_nt_sec_creds(CREDS_NT_SEC *to, const CREDS_NT_SEC *from);
+void copy_unix_sec_creds(CREDS_UNIX_SEC *to, const CREDS_UNIX_SEC *from);
+void copy_nt_creds(struct ntuser_creds *to,
+ const struct ntuser_creds *from);
+void copy_user_creds(struct user_creds *to,
+ const struct user_creds *from);
+void free_user_creds(struct user_creds *creds);
+BOOL creds_io_cmd(char *desc, CREDS_CMD *r_u, prs_struct *ps, int depth);
+BOOL create_ntuser_creds( prs_struct *ps,
+ const char* name,
+ uint16 version, uint16 command,
+ const struct ntuser_creds *ntu,
+ BOOL reuse);
+BOOL create_user_creds( prs_struct *ps,
+ const char* name,
+ uint16 version, uint16 command,
+ const struct user_creds *usr);
+
/*The following definitions come from rpc_parse/parse_lsa.c */
void init_lsa_trans_name(LSA_TRANS_NAME *trn, UNISTR2 *uni_name,
void prs_debug(prs_struct *ps, int depth, char *desc, char *fn_name);
BOOL prs_init(prs_struct *ps, uint32 size, uint8 align, BOOL io);
+BOOL prs_read(prs_struct *ps, int fd, size_t len, int timeout);
void prs_mem_free(prs_struct *ps);
void prs_give_memory(prs_struct *ps, char *buf, uint32 size, BOOL is_dynamic);
char *prs_take_memory(prs_struct *ps, uint32 *psize);
/*The following definitions come from rpc_server/srv_pipe.c */
-BOOL create_next_pdu(pipes_struct *p);
-BOOL rpc_command(pipes_struct *p, char *input_data, int data_len);
-BOOL api_rpcTNP(pipes_struct *p, char *rpc_name, struct api_struct *api_rpc_cmds,
- prs_struct *rpc_in);
+BOOL readwrite_pipe(pipes_struct *p, char *data, int len,
+ char **rdata, int *rlen);
+ssize_t write_pipe(pipes_struct *p, char *data, size_t n);
+int read_pipe(pipes_struct *p, char *data, int n);
/*The following definitions come from rpc_server/srv_pipe_hnd.c */
pipes_struct *get_rpc_pipe_p(char *buf, int where);
pipes_struct *get_rpc_pipe(int pnum);
+/*The following definitions come from rpc_server/srv_pipe_srv.c */
+
+BOOL create_next_pdu(pipes_struct *p);
+BOOL rpc_command(pipes_struct *p, char *input_data, int data_len);
+BOOL api_rpcTNP(pipes_struct *p, char *rpc_name, struct api_struct *api_rpc_cmds,
+ prs_struct *rpc_in);
+
/*The following definitions come from rpc_server/srv_reg.c */
BOOL api_reg_rpc(pipes_struct *p, prs_struct *data);
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ SMB parameters and setup
+ Copyright (C) Andrew Tridgell 1992-1999
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1999
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _RPC_CREDS_H /* _RPC_CREDS_H */
+#define _RPC_CREDS_H
+
+typedef struct ntuser_creds
+{
+ fstring user_name;
+ fstring domain;
+ struct pwd_info pwd;
+
+ uint32 ntlmssp_flags;
+
+} CREDS_NT;
+
+typedef struct unixuser_creds
+{
+ fstring user_name;
+ fstring requested_name;
+ fstring real_name;
+ BOOL guest;
+
+} CREDS_UNIX;
+
+typedef struct unixsec_creds
+{
+ uint32 uid;
+ uint32 gid;
+ int num_grps;
+ uint32 *grps;
+
+} CREDS_UNIX_SEC;
+
+typedef struct ntsec_creds
+{
+ DOM_SID sid;
+ uint32 num_grps;
+ uint32 *grp_rids;
+
+} CREDS_NT_SEC;
+
+typedef struct user_creds
+{
+ BOOL reuse;
+ uint32 ptr_ntc;
+ uint32 ptr_uxc;
+ uint32 ptr_nts;
+ uint32 ptr_uxs;
+
+ CREDS_NT ntc;
+ CREDS_UNIX uxc;
+
+ CREDS_NT_SEC nts;
+ CREDS_UNIX_SEC uxs;
+
+
+} CREDS_HYBRID;
+
+typedef struct cred_command
+{
+ uint16 version;
+ uint16 command;
+
+ fstring name;
+
+ uint32 ptr_creds;
+ CREDS_HYBRID *cred;
+
+} CREDS_CMD;
+
+#endif /* _RPC_CREDS_H */
+
char *full_name; /* user's full name string */
};
+struct use_info
+{
+ BOOL connected;
+ char *srv_name;
+ char *user_name;
+ char *domain;
+};
+
#define MAXSUBAUTHS 15 /* max sub authorities in a SID */
/* DOM_SID - security id */
unsigned int name_type;
};
+#define AGENT_CMD_CON 0
+#define AGENT_CMD_CON_ANON 2
+#define AGENT_CMD_CON_REUSE 1
+
+struct pwd_info
+{
+ BOOL null_pwd;
+ BOOL cleartext;
+ BOOL crypted;
+
+ fstring password;
+
+ uchar smb_lm_pwd[16];
+ uchar smb_nt_pwd[16];
+
+ uchar smb_lm_owf[24];
+ uchar smb_nt_owf[128];
+ size_t nt_owf_len;
+
+ uchar lm_cli_chal[8];
+ uchar nt_cli_chal[128];
+ size_t nt_cli_chal_len;
+
+ uchar sess_key[16];
+};
+
+#include "rpc_creds.h"
+
+struct ntdom_info
+{
+ unsigned char sess_key[16]; /* Current session key. */
+ unsigned char ntlmssp_hash[258]; /* ntlmssp data. */
+ uint32 ntlmssp_cli_flgs; /* ntlmssp client flags */
+ uint32 ntlmssp_srv_flgs; /* ntlmssp server flags */
+ uint32 ntlmssp_seq_num; /* ntlmssp sequence number */
+ DOM_CRED clnt_cred; /* Client credential. */
+
+ int max_recv_frag;
+ int max_xmit_frag;
+};
+
+struct msrpc_state
+{
+ fstring pipe_name;
+ struct user_creds usr;
+ struct ntdom_info nt;
+
+ int fd;
+ BOOL redirect;
+ BOOL initialised;
+ char *inbuf;
+ char *outbuf;
+};
#include "client.h"
#include "rpcclient.h"
<warrenb@hpcvscdp.cv.hp.com>
**********************************************************/
-static int copy_reg(char *source, const char *dest)
+int copy_reg(char *source, const char *dest)
{
SMB_STRUCT_STAT source_stats;
int ifd;
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ SMB msrpcent generic functions
+ Copyright (C) Andrew Tridgell 1994-1999
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1999
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+extern int DEBUGLEVEL;
+
+/****************************************************************************
+ read an msrpc pdu from a fd.
+ The timeout is in milliseconds.
+****************************************************************************/
+BOOL receive_msrpc(int fd, prs_struct *data, unsigned int timeout)
+{
+ BOOL ok;
+ size_t len;
+ RPC_HDR hdr;
+
+ prs_init(data, 0, 4, True);
+
+ ok = prs_read(data, fd, 16, timeout);
+
+ if (!ok)
+ {
+ prs_mem_free(data);
+ return False;
+ }
+
+ if (!smb_io_rpc_hdr("hdr", &hdr, data, 0))
+ {
+ prs_mem_free(data);
+ return False;
+ }
+
+ len = hdr.frag_len - 16;
+ if (len > 0)
+ {
+ ok = prs_read(data, fd, hdr.frag_len, 0);
+ if (!ok)
+ {
+ prs_mem_free(data);
+ return False;
+ }
+ data->data_offset = hdr.frag_len;
+ return True;
+ }
+
+ prs_mem_free(data);
+ return False;
+}
+
+/****************************************************************************
+ send an smb to a fd and re-establish if necessary
+****************************************************************************/
+BOOL msrpc_send(int fd, prs_struct *ps)
+{
+ size_t len = ps != NULL ? ps->buffer_size : 0;
+ size_t nwritten=0;
+ ssize_t ret;
+ char *outbuf = ps->data_p;
+
+ DEBUG(10,("msrpc_send_prs: data: %p len %d\n", outbuf, len));
+ dbgflush();
+
+ dump_data(10, outbuf, len);
+
+ while (nwritten < len)
+ {
+ ret = write_socket(fd,outbuf+nwritten,len - nwritten);
+ if (ret <= 0)
+ {
+ DEBUG(0,("Error writing %d msrpc bytes. %d.\n",
+ len,ret));
+ prs_mem_free(ps);
+ return False;
+ }
+ nwritten += ret;
+ }
+
+ prs_mem_free(ps);
+ return True;
+}
+
+/****************************************************************************
+ receive msrpc packet
+****************************************************************************/
+BOOL msrpc_receive(int fd, prs_struct *ps)
+{
+ int len;
+
+ DEBUG(10,("msrpc_receive: %d\n", __LINE__));
+
+ if (!receive_msrpc(fd, ps, 0))
+ {
+ return False;
+ }
+
+ len = ps->buffer_size;
+
+ if (ps->data_p == NULL || len <= 0)
+ {
+ return False;
+ }
+
+ dump_data(10, ps->data_p, len);
+
+ DEBUG(10,("msrpc_receive: len %d\n", len));
+
+ return True;
+}
+
+/****************************************************************************
+open the msrpcent sockets
+****************************************************************************/
+BOOL msrpc_connect(struct msrpc_state *msrpc, const char *pipe_name)
+{
+ fstring path;
+ slprintf(path, sizeof(path)-1, "%s/.msrpc/%s", LOCKDIR, pipe_name);
+
+ fstrcpy(msrpc->pipe_name, pipe_name);
+
+ msrpc->fd = open_pipe_sock(path);
+
+ if (msrpc->fd == -1)
+ {
+ return False;
+ }
+
+ return True;
+}
+
+
+/****************************************************************************
+initialise a msrpcent structure
+****************************************************************************/
+void msrpc_init_creds(struct msrpc_state *msrpc, const struct user_creds *usr)
+{
+ copy_user_creds(&msrpc->usr, usr);
+}
+
+/****************************************************************************
+close the socket descriptor
+****************************************************************************/
+void msrpc_close_socket(struct msrpc_state *msrpc)
+{
+ if (msrpc->fd != -1)
+ {
+ close(msrpc->fd);
+ }
+ msrpc->fd = -1;
+}
+
+
+/****************************************************************************
+set socket options on a open connection
+****************************************************************************/
+void msrpc_sockopt(struct msrpc_state *msrpc, char *options)
+{
+ set_socket_options(msrpc->fd, options);
+}
+
+
+static BOOL msrpc_authenticate(struct msrpc_state *msrpc,
+ const struct user_creds *usr)
+{
+ struct msrpc_state msrpc_redir;
+
+ int sock = msrpc->fd;
+ char *data;
+ prs_struct ps;
+ uint32 len;
+ char *in = msrpc->inbuf;
+ char *out = msrpc->outbuf;
+ uint16 command;
+
+ command = usr != NULL ? AGENT_CMD_CON : AGENT_CMD_CON_ANON;
+
+ if (!create_user_creds(&ps, msrpc->pipe_name, 0x0, command, usr))
+ {
+ DEBUG(0,("could not parse credentials\n"));
+ close(sock);
+ return False;
+ }
+
+ len = ps.data_offset;
+ data = ps.data_p;
+
+ SIVAL(data, 0, len);
+
+#ifdef DEBUG_PASSWORD
+ DEBUG(100,("data len: %d\n", len));
+ dump_data(100, data, len);
+#endif
+
+ if (write(sock, data, len) <= 0)
+ {
+ DEBUG(0,("write failed\n"));
+ return False;
+ }
+
+ if (msrpc->redirect)
+ {
+ len = read(sock, &msrpc_redir, sizeof(msrpc_redir));
+
+ if (len != sizeof(msrpc_redir))
+ {
+ DEBUG(0,("read failed\n"));
+ return False;
+ }
+
+ memcpy(msrpc, &msrpc_redir, sizeof(msrpc_redir));
+ msrpc->inbuf = in;
+ msrpc->outbuf = out;
+ msrpc->fd = sock;
+ msrpc->usr.reuse = False;
+ }
+ else
+ {
+ uint32 status;
+ len = read(sock, &status, sizeof(status));
+
+ return len == sizeof(status) && status == 0x0;
+ }
+ return True;
+}
+
+static BOOL msrpc_init_redirect(struct msrpc_state *msrpc,
+ const char* pipe_name,
+ const struct user_creds *usr)
+{
+ int sock;
+ fstring path;
+
+ slprintf(path, sizeof(path)-1, "/tmp/.msrpc/.%s/agent", pipe_name);
+
+ sock = open_pipe_sock(path);
+
+ if (sock < 0)
+ {
+ return False;
+ }
+
+ msrpc->fd = sock;
+
+ if (!msrpc_authenticate(msrpc, usr))
+ {
+ DEBUG(0,("authenticate failed\n"));
+ close(msrpc->fd);
+ msrpc->fd = -1;
+ return False;
+ }
+
+ return True;
+}
+
+BOOL msrpc_connect_auth(struct msrpc_state *msrpc,
+ const char* pipename,
+ const struct user_creds *usr)
+{
+ ZERO_STRUCTP(msrpc);
+ if (!msrpc_initialise(msrpc))
+ {
+ DEBUG(0,("unable to initialise msrpcent connection.\n"));
+ return False;
+ }
+
+ msrpc_init_creds(msrpc, usr);
+
+ if (!msrpc_establish_connection(msrpc, pipename))
+ {
+ msrpc_shutdown(msrpc);
+ return False;
+ }
+
+ return True;
+}
+
+/****************************************************************************
+initialise a msrpcent structure
+****************************************************************************/
+struct msrpc_state *msrpc_initialise(struct msrpc_state *msrpc)
+{
+ if (!msrpc) {
+ msrpc = (struct msrpc_state *)malloc(sizeof(*msrpc));
+ if (!msrpc)
+ return NULL;
+ ZERO_STRUCTP(msrpc);
+ }
+
+ if (msrpc->initialised) {
+ msrpc_shutdown(msrpc);
+ }
+
+ ZERO_STRUCTP(msrpc);
+
+ msrpc->fd = -1;
+ msrpc->outbuf = (char *)malloc(CLI_BUFFER_SIZE+4);
+ msrpc->inbuf = (char *)malloc(CLI_BUFFER_SIZE+4);
+ if (!msrpc->outbuf || !msrpc->inbuf)
+ {
+ return False;
+ }
+
+ msrpc->initialised = 1;
+ msrpc_init_creds(msrpc, NULL);
+
+ return msrpc;
+}
+
+
+/****************************************************************************
+shutdown a msrpcent structure
+****************************************************************************/
+void msrpc_shutdown(struct msrpc_state *msrpc)
+{
+ DEBUG(10,("msrpc_shutdown\n"));
+ if (msrpc->outbuf)
+ {
+ free(msrpc->outbuf);
+ }
+ if (msrpc->inbuf)
+ {
+ free(msrpc->inbuf);
+ }
+ msrpc_close_socket(msrpc);
+ memset(msrpc, 0, sizeof(*msrpc));
+}
+
+/****************************************************************************
+establishes a connection right up to doing tconX, reading in a password.
+****************************************************************************/
+BOOL msrpc_establish_connection(struct msrpc_state *msrpc,
+ const char *pipe_name)
+{
+ DEBUG(5,("msrpc_establish_connection: connecting to %s (%s) - %s\n",
+ pipe_name,
+ msrpc->usr.ntc.user_name, msrpc->usr.ntc.domain));
+
+ /* establish connection */
+
+ if ((!msrpc->initialised))
+ {
+ return False;
+ }
+
+ if (msrpc->fd == -1 && msrpc->redirect)
+ {
+ if (msrpc_init_redirect(msrpc, pipe_name, &msrpc->usr))
+ {
+ DEBUG(10,("msrpc_establish_connection: redirected OK\n"));
+ return True;
+ }
+ else
+ {
+ DEBUG(10,("redirect FAILED\n"));
+ return False;
+ }
+ }
+ if (msrpc->fd == -1)
+ {
+ if (!msrpc_connect(msrpc, pipe_name))
+ {
+ DEBUG(1,("msrpc_establish_connection: failed %s)\n",
+ pipe_name));
+
+ return False;
+ }
+ }
+
+ if (!msrpc_authenticate(msrpc, &msrpc->usr))
+ {
+ DEBUG(0,("authenticate failed\n"));
+ close(msrpc->fd);
+ msrpc->fd = -1;
+ return False;
+ }
+
+ return True;
+}
+
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ SMB client generic functions
+ Copyright (C) Andrew Tridgell 1994-1999
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1999
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+#include "trans2.h"
+
+extern int DEBUGLEVEL;
+extern pstring scope;
+extern pstring global_myname;
+
+struct msrpc_use
+{
+ struct msrpc_state *cli;
+ uint32 num_users;
+};
+
+static struct msrpc_use **msrpcs = NULL;
+uint32 num_msrpcs = 0;
+
+/****************************************************************************
+terminate client connection
+****************************************************************************/
+static void msrpc_use_free(struct msrpc_use *cli)
+{
+ if (cli->cli != NULL)
+ {
+ if (cli->cli->initialised)
+ {
+ msrpc_shutdown(cli->cli);
+ }
+ free(cli->cli);
+ }
+
+ free(cli);
+}
+
+/****************************************************************************
+free a client array
+****************************************************************************/
+static void free_msrpc_array(uint32 num_entries, struct msrpc_use **entries)
+{
+ void(*fn)(void*) = (void(*)(void*))&msrpc_use_free;
+ free_void_array(num_entries, (void**)entries, *fn);
+}
+
+/****************************************************************************
+add a client state to the array
+****************************************************************************/
+static struct msrpc_use* add_msrpc_to_array(uint32 *len,
+ struct msrpc_use ***array,
+ struct msrpc_use *cli)
+{
+ int i;
+ for (i = 0; i < num_msrpcs; i++)
+ {
+ if (msrpcs[i] == NULL)
+ {
+ msrpcs[i] = cli;
+ return cli;
+ }
+ }
+
+ return (struct msrpc_use*)add_item_to_array(len,
+ (void***)array, (void*)cli);
+
+}
+
+/****************************************************************************
+initiate client array
+****************************************************************************/
+void init_msrpc_use(void)
+{
+ msrpcs = NULL;
+ num_msrpcs = 0;
+}
+
+/****************************************************************************
+terminate client array
+****************************************************************************/
+void free_msrpc_use(void)
+{
+ free_msrpc_array(num_msrpcs, msrpcs);
+ init_msrpc_use();
+}
+
+/****************************************************************************
+find client state. server name, user name, domain name and password must all
+match.
+****************************************************************************/
+static struct msrpc_use *msrpc_find(const char* pipe_name,
+ const struct user_creds *usr_creds)
+{
+ int i;
+ struct user_creds null_usr;
+
+ if (usr_creds == NULL)
+ {
+ copy_user_creds(&null_usr, usr_creds);
+ usr_creds = &null_usr;
+ }
+
+ DEBUG(10,("msrpc_find: %s %s %s\n",
+ pipe_name,
+ usr_creds->ntc.user_name,
+ usr_creds->ntc.domain));
+
+ for (i = 0; i < num_msrpcs; i++)
+ {
+ char *msrpc_name = NULL;
+ struct msrpc_use *c = msrpcs[i];
+
+ if (c == NULL) continue;
+
+ msrpc_name = c->cli->pipe_name;
+
+ DEBUG(10,("msrpc_find[%d]: %s %s %s\n",
+ i, msrpc_name,
+ c->cli->usr.ntc.user_name,
+ c->cli->usr.ntc.domain));
+
+ if (!strequal(msrpc_name, pipe_name))
+ {
+ continue;
+ }
+ if (!strequal(usr_creds->ntc.user_name, c->cli->usr.ntc.user_name))
+ {
+ continue;
+ }
+ if (!usr_creds->reuse &&
+ !pwd_compare(&usr_creds->ntc.pwd, &c->cli->usr.ntc.pwd))
+ {
+ DEBUG(100,("password doesn't match\n"));
+ continue;
+ }
+ if (usr_creds->ntc.domain[0] == 0)
+ {
+ return c;
+ }
+ if (strequal(usr_creds->ntc.domain, c->cli->usr.ntc.domain))
+ {
+ return c;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************************
+create a new client state from user credentials
+****************************************************************************/
+static struct msrpc_use *msrpc_use_get(const char* pipe_name,
+ const struct user_creds *usr_creds)
+{
+ struct msrpc_use *cli = (struct msrpc_use*)malloc(sizeof(*cli));
+
+ if (cli == NULL)
+ {
+ return NULL;
+ }
+
+ memset(cli, 0, sizeof(*cli));
+
+ cli->cli = msrpc_initialise(NULL);
+
+ if (cli->cli == NULL)
+ {
+ return NULL;
+ }
+
+ msrpc_init_creds(cli->cli, usr_creds);
+
+ return cli;
+}
+
+/****************************************************************************
+init client state
+****************************************************************************/
+struct msrpc_state *msrpc_use_add(const char* pipe_name,
+ const struct user_creds *usr_creds,
+ BOOL redir)
+{
+ struct msrpc_use *cli;
+ DEBUG(10,("msrpc_use_add: %s redir: %s\n", pipe_name, BOOLSTR(redir)));
+
+ cli = msrpc_find(pipe_name, usr_creds);
+
+ if (cli != NULL)
+ {
+ cli->num_users++;
+ return cli->cli;
+ }
+
+ /* reuse an existing connection requested, and one was not found */
+ if (usr_creds != NULL && usr_creds->reuse && !redir)
+ {
+ DEBUG(0,("msrpc_use_add: reuse requested, but one not found\n"));
+ return False;
+ }
+
+ /*
+ * allocate
+ */
+
+ cli = msrpc_use_get(pipe_name, usr_creds);
+ cli->cli->redirect = redir;
+
+ if (!msrpc_establish_connection(cli->cli, pipe_name))
+ {
+ DEBUG(0,("msrpc_use_add: connection failed\n"));
+ cli->cli = NULL;
+ msrpc_use_free(cli);
+ return NULL;
+ }
+
+ add_msrpc_to_array(&num_msrpcs, &msrpcs, cli);
+ cli->num_users++;
+
+ return cli->cli;
+}
+
+/****************************************************************************
+delete a client state
+****************************************************************************/
+BOOL msrpc_use_del(const char* pipe_name,
+ const struct user_creds *usr_creds,
+ BOOL force_close,
+ BOOL *connection_closed)
+{
+ int i;
+
+ DEBUG(10,("msrpc_net_use_del: %s. force close: %s\n",
+ pipe_name, BOOLSTR(force_close)));
+
+ if (connection_closed != NULL)
+ {
+ *connection_closed = False;
+ }
+
+ for (i = 0; i < num_msrpcs; i++)
+ {
+ char *msrpc_name = NULL;
+
+ if (msrpcs[i] == NULL) continue;
+ if (msrpcs[i]->cli == NULL) continue;
+
+ msrpc_name = msrpcs[i]->cli->pipe_name;
+
+ if (!strequal(msrpc_name, pipe_name)) continue;
+
+ if (strequal(usr_creds->ntc.user_name,
+ msrpcs[i]->cli->usr.ntc.user_name) &&
+ strequal(usr_creds->ntc.domain,
+ msrpcs[i]->cli->usr.ntc.domain))
+ {
+ /* decrement number of users */
+ msrpcs[i]->num_users--;
+
+ DEBUG(10,("idx: %i num_users now: %d\n",
+ i, msrpcs[i]->num_users));
+
+ if (force_close || msrpcs[i]->num_users == 0)
+ {
+ msrpc_use_free(msrpcs[i]);
+ msrpcs[i] = NULL;
+ if (connection_closed != NULL)
+ {
+ *connection_closed = True;
+ }
+ }
+ return True;
+ }
+ }
+
+ return False;
+}
+
+/****************************************************************************
+enumerate client states
+****************************************************************************/
+void msrpc_net_use_enum(uint32 *num_cons, struct use_info ***use)
+{
+ int i;
+
+ *num_cons = 0;
+ *use = NULL;
+
+ for (i = 0; i < num_msrpcs; i++)
+ {
+ struct use_info item;
+
+ ZERO_STRUCT(item);
+
+ if (msrpcs[i] == NULL) continue;
+
+ item.connected = msrpcs[i]->cli != NULL ? True : False;
+
+ if (item.connected)
+ {
+ item.srv_name = msrpcs[i]->cli->pipe_name;
+ item.user_name = msrpcs[i]->cli->usr.ntc.user_name;
+ item.domain = msrpcs[i]->cli->usr.ntc.domain;
+ }
+
+ add_use_info_to_array(num_cons, use, &item);
+ }
+}
+
return(S_ISREG(sbuf->st_mode));
}
+/*******************************************************************
+ rename a unix file
+********************************************************************/
+int file_rename(char *from, char *to)
+{
+ int rcode = rename (from, to);
+
+ if (errno == EXDEV)
+ {
+ /* Rename across filesystems needed. */
+ rcode = copy_reg (from, to);
+ }
+ return rcode;
+}
+
/*******************************************************************
check a files mod time
********************************************************************/
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ Samba utility functions
+ Copyright (C) Andrew Tridgell 1992-1999
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1999
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+void free_void_array(uint32 num_entries, void **entries,
+ void(free_item)(void*))
+{
+ uint32 i;
+ if (entries != NULL)
+ {
+ for (i = 0; i < num_entries; i++)
+ {
+ if (entries[i] != NULL)
+ {
+ free_item(entries[i]);
+ }
+ }
+ free(entries);
+ }
+}
+
+void* add_copy_to_array(uint32 *len, void ***array, const void *item,
+ void*(item_dup)(const void*), BOOL alloc_anyway)
+{
+ void* copy = NULL;
+ if (len == NULL || array == NULL)
+ {
+ return NULL;
+ }
+
+ if (item != NULL || alloc_anyway)
+ {
+ copy = item_dup(item);
+ return add_item_to_array(len, array, copy);
+ }
+ return copy;
+}
+
+void* add_item_to_array(uint32 *len, void ***array, void *item)
+{
+ if (len == NULL || array == NULL)
+ {
+ return NULL;
+ }
+
+ (*array) = (void**)Realloc((*array), ((*len)+1)*sizeof((*array)[0]));
+
+ if ((*array) != NULL)
+ {
+ (*array)[(*len)] = item;
+ (*len)++;
+ return item;
+ }
+ return NULL;
+}
+
+static void use_info_free(struct use_info *item)
+{
+ if (item != NULL)
+ {
+ if (item->srv_name != NULL)
+ {
+ free(item->srv_name);
+ }
+ if (item->user_name != NULL)
+ {
+ free(item->user_name);
+ }
+ if (item->domain != NULL)
+ {
+ free(item->domain);
+ }
+ free(item);
+ }
+}
+
+static struct use_info *use_info_dup(const struct use_info *from)
+{
+ if (from != NULL)
+ {
+ struct use_info *copy = (struct use_info *)
+ malloc(sizeof(struct use_info));
+ if (copy != NULL)
+ {
+ ZERO_STRUCTP(copy);
+ copy->connected = from->connected;
+ if (from->srv_name != NULL)
+ {
+ copy->srv_name = strdup(from->srv_name );
+ }
+ if (from->user_name != NULL)
+ {
+ copy->user_name = strdup(from->user_name);
+ }
+ if (from->domain != NULL)
+ {
+ copy->domain = strdup(from->domain );
+ }
+ }
+ return copy;
+ }
+ return NULL;
+}
+
+void free_use_info_array(uint32 num_entries, struct use_info **entries)
+{
+ void(*fn)(void*) = (void(*)(void*))&use_info_free;
+ free_void_array(num_entries, (void**)entries, *fn);
+}
+
+struct use_info* add_use_info_to_array(uint32 *len, struct use_info ***array,
+ const struct use_info *name)
+{
+ void*(*fn)(const void*) = (void*(*)(const void*))&use_info_dup;
+ return (struct use_info*)add_copy_to_array(len,
+ (void***)array, (const void*)name, *fn, False);
+
+}
+
+void free_char_array(uint32 num_entries, char **entries)
+{
+ void(*fn)(void*) = (void(*)(void*))&free;
+ free_void_array(num_entries, (void**)entries, *fn);
+}
+
+char* add_chars_to_array(uint32 *len, char ***array, const char *name)
+{
+ void*(*fn)(const void*) = (void*(*)(const void*))&strdup;
+ return (char*)add_copy_to_array(len,
+ (void***)array, (const void*)name, *fn, False);
+
+}
+
+static uint32 *uint32_dup(const uint32* from)
+{
+ if (from != NULL)
+ {
+ uint32 *copy = (uint32 *)malloc(sizeof(uint32));
+ if (copy != NULL)
+ {
+ memcpy(copy, from, sizeof(*copy));
+ }
+ return copy;
+ }
+ return NULL;
+}
+
+void free_uint32_array(uint32 num_entries, uint32 **entries)
+{
+ void(*fn)(void*) = (void(*)(void*))&free;
+ free_void_array(num_entries, (void**)entries, *fn);
+}
+
+uint32* add_uint32s_to_array(uint32 *len, uint32 ***array, const uint32 *name)
+{
+ void*(*fn)(const void*) = (void*(*)(const void*))&uint32_dup;
+ return (uint32*)add_copy_to_array(len,
+ (void***)array, (const void*)name, *fn, False);
+
+}
+
+void free_sid_array(uint32 num_entries, DOM_SID **entries)
+{
+ void(*fn)(void*) = (void(*)(void*))&free;
+ free_void_array(num_entries, (void**)entries, *fn);
+}
+
+DOM_SID* add_sid_to_array(uint32 *len, DOM_SID ***array, const DOM_SID *sid)
+{
+ void*(*fn)(const void*) = (void*(*)(const void*))&sid_dup;
+ return (DOM_SID*)add_copy_to_array(len,
+ (void***)array, (const void*)sid, *fn, False);
+}
+
Copies a sid
*****************************************************************/
-void sid_copy(DOM_SID *dst, DOM_SID *src)
+void sid_copy(DOM_SID *dst, const DOM_SID *src)
{
int i;
return sid->num_auths * sizeof(uint32) + 8;
}
+
+static BOOL read_sid_from_file(int fd, char *sid_file, DOM_SID *sid)
+{
+ fstring fline;
+ fstring sid_str;
+
+ memset(fline, '\0', sizeof(fline));
+
+ if (read(fd, fline, sizeof(fline) -1 ) < 0) {
+ DEBUG(0,("unable to read file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ return False;
+ }
+
+ /*
+ * Convert to the machine SID.
+ */
+
+ fline[sizeof(fline)-1] = '\0';
+ if (!string_to_sid(sid, fline)) {
+ DEBUG(0,("unable to read sid.\n"));
+ return False;
+ }
+
+ sid_to_string(sid_str, sid);
+ DEBUG(5,("read_sid_from_file: sid %s\n", sid_str));
+
+ return True;
+}
+
+/****************************************************************************
+ Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
+ not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
+****************************************************************************/
+BOOL read_sid(char *sam_name, DOM_SID *sid)
+{
+ int fd;
+ char *p;
+ pstring sid_file;
+ fstring file_name;
+ SMB_STRUCT_STAT st;
+
+ pstrcpy(sid_file, lp_smb_passwd_file());
+
+ DEBUG(10,("read_sid: Domain: %s\n", sam_name));
+
+ if (sid_file[0] == 0)
+ {
+ DEBUG(0,("cannot find smb passwd file\n"));
+ return False;
+ }
+
+ p = strrchr(sid_file, '/');
+ if (p != NULL)
+ {
+ *++p = '\0';
+ }
+
+ if (!directory_exist(sid_file, NULL))
+ {
+ if (mkdir(sid_file, 0700) != 0)
+ {
+ DEBUG(0,("can't create private directory %s : %s\n",
+ sid_file, strerror(errno)));
+ return False;
+ }
+ }
+
+ slprintf(file_name, sizeof(file_name)-1, "%s.SID", sam_name);
+ strupper(file_name);
+ pstrcat(sid_file, file_name);
+
+ if ((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
+ DEBUG(0,("unable to open or create file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ return False;
+ }
+
+ /*
+ * Check if the file contains data.
+ */
+
+ if (sys_fstat(fd, &st) < 0) {
+ DEBUG(0,("unable to stat file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ if (st.st_size == 0)
+ {
+ close(fd);
+ return False;
+ }
+
+ /*
+ * We have a valid SID - read it.
+ */
+
+ if (!read_sid_from_file(fd, sid_file, sid))
+ {
+ DEBUG(0,("unable to read file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+ close(fd);
+ return True;
+}
+
+
+/****************************************************************************
+ Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
+ not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
+****************************************************************************/
+BOOL write_sid(char *sam_name, DOM_SID *sid)
+{
+ int fd;
+ char *p;
+ pstring sid_file;
+ fstring sid_string;
+ fstring file_name;
+ SMB_STRUCT_STAT st;
+
+ pstrcpy(sid_file, lp_smb_passwd_file());
+ sid_to_string(sid_string, sid);
+
+ DEBUG(10,("write_sid: Domain: %s SID: %s\n", sam_name, sid_string));
+ fstrcat(sid_string, "\n");
+
+ if (sid_file[0] == 0)
+ {
+ DEBUG(0,("cannot find smb passwd file\n"));
+ return False;
+ }
+
+ p = strrchr(sid_file, '/');
+ if (p != NULL)
+ {
+ *++p = '\0';
+ }
+
+ if (!directory_exist(sid_file, NULL)) {
+ if (mkdir(sid_file, 0700) != 0) {
+ DEBUG(0,("can't create private directory %s : %s\n",
+ sid_file, strerror(errno)));
+ return False;
+ }
+ }
+
+ slprintf(file_name, sizeof(file_name)-1, "%s.SID", sam_name);
+ strupper(file_name);
+ pstrcat(sid_file, file_name);
+
+ if ((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
+ DEBUG(0,("unable to open or create file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ return False;
+ }
+
+ /*
+ * Check if the file contains data.
+ */
+
+ if (sys_fstat(fd, &st) < 0) {
+ DEBUG(0,("unable to stat file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ if (st.st_size > 0)
+ {
+ /*
+ * We have a valid SID already.
+ */
+ close(fd);
+ DEBUG(0,("SID file %s already exists\n", sid_file));
+ return False;
+ }
+
+ if (!do_file_lock(fd, 60, F_WRLCK))
+ {
+ DEBUG(0,("unable to lock file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ /*
+ * At this point we have a blocking lock on the SID
+ * file - check if in the meantime someone else wrote
+ * SID data into the file. If so - they were here first,
+ * use their data.
+ */
+
+ if (sys_fstat(fd, &st) < 0)
+ {
+ DEBUG(0,("unable to stat file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ if (st.st_size > 0)
+ {
+ /*
+ * Unlock as soon as possible to reduce
+ * contention on the exclusive lock.
+ */
+ do_file_lock(fd, 60, F_UNLCK);
+
+ /*
+ * We have a valid SID already.
+ */
+
+ DEBUG(0,("SID file %s already exists\n", sid_file));
+ close(fd);
+ return False;
+ }
+
+ /*
+ * The file is still empty and we have an exlusive lock on it.
+ * Write out out SID data into the file.
+ */
+
+ if (fchmod(fd, 0644) < 0)
+ {
+ DEBUG(0,("unable to set correct permissions on file %s. \
+Error was %s\n", sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ if (write(fd, sid_string, strlen(sid_string)) != strlen(sid_string))
+ {
+ DEBUG(0,("unable to write file %s. Error was %s\n",
+ sid_file, strerror(errno) ));
+ close(fd);
+ return False;
+ }
+
+ /*
+ * Unlock & exit.
+ */
+
+ do_file_lock(fd, 60, F_UNLCK);
+ close(fd);
+ return True;
+}
+
+/****************************************************************************
+create a random SID.
+****************************************************************************/
+BOOL create_new_sid(DOM_SID *sid)
+{
+ uchar raw_sid_data[12];
+ fstring sid_string;
+ int i;
+
+ /*
+ * Generate the new sid data & turn it into a string.
+ */
+ generate_random_buffer(raw_sid_data, 12, True);
+
+ fstrcpy(sid_string, "S-1-5-21");
+ for(i = 0; i < 3; i++)
+ {
+ fstring tmp_string;
+ slprintf(tmp_string, sizeof(tmp_string) - 1, "-%u", IVAL(raw_sid_data, i*4));
+ fstrcat(sid_string, tmp_string);
+ }
+
+ fstrcat(sid_string, "\n");
+
+ /*
+ * Ensure our new SID is valid.
+ */
+
+ if (!string_to_sid(sid, sid_string))
+ {
+ DEBUG(0,("unable to generate machine SID.\n"));
+ return False;
+ }
+
+ return True;
+}
+
global_client_addr_done = True;
return addr_buf;
}
+
+/*******************************************************************
+ opens and connects to a unix pipe socket
+ ******************************************************************/
+int open_pipe_sock(char *path)
+{
+ int sock;
+ struct sockaddr_un sa;
+
+ sock = socket(AF_UNIX, SOCK_STREAM, 0);
+
+ if (sock < 0)
+ {
+ DEBUG(0, ("unix socket open failed\n"));
+ return sock;
+ }
+
+ ZERO_STRUCT(sa);
+ sa.sun_family = AF_UNIX;
+ safe_strcpy(sa.sun_path, path, sizeof(sa.sun_path)-1);
+
+ DEBUG(10, ("socket open succeeded. file name: %s\n", sa.sun_path));
+
+ if (connect(sock, (struct sockaddr*) &sa, sizeof(sa)) < 0)
+ {
+ DEBUG(0,("socket connect to %s failed\n", sa.sun_path));
+ close(sock);
+ return -1;
+ }
+
+ return sock;
+}
+
+int create_pipe_socket(char *dir, int dir_perms,
+ char *path, int path_perms)
+{
+ int s;
+ struct sockaddr_un sa;
+
+ DEBUG(0,("create_pipe_socket: %s %d %s %d\n",
+ dir, dir_perms, path, path_perms));
+
+ DEBUG(0,("*** RACE CONDITION. PLEASE SOMEONE EXAMINE create_pipe_Socket AND FIX IT ***\n"));
+
+ mkdir(dir, dir_perms);
+
+ if (chmod(dir, dir_perms) < 0)
+ {
+ DEBUG(0, ("chmod on %s failed\n", dir));
+ return -1;
+ }
+
+ if (!remove(path))
+ {
+ DEBUG(0, ("remove on %s failed\n", path));
+ }
+
+ /* start listening on unix socket */
+ s = socket(AF_UNIX, SOCK_STREAM, 0);
+
+ if (s < 0)
+ {
+ DEBUG(0, ("socket open failed\n"));
+ return -1;
+ }
+
+ ZERO_STRUCT(sa);
+ sa.sun_family = AF_UNIX;
+ safe_strcpy(sa.sun_path, path, sizeof(sa.sun_path)-1);
+
+ if (bind(s, (struct sockaddr*) &sa, sizeof(sa)) < 0)
+ {
+ DEBUG(0, ("socket bind to %s failed\n", sa.sun_path));
+ close(s);
+ remove(path);
+ return -1;
+ }
+
+ if (s == -1)
+ {
+ DEBUG(0,("bind failed\n"));
+ remove(path);
+ return -1;
+ }
+
+ if (path_perms != 0)
+ {
+ chmod(path, path_perms);
+ }
+
+ if (listen(s, 5) == -1)
+ {
+ DEBUG(0,("listen failed\n"));
+ return -1;
+ }
+
+ DEBUG(5,("unix socket opened: %s\n", path));
+
+ return s;
+}
{
}
+/****************************************************************************
+compares two passwords. hmm, not as trivial as expected. hmm.
+****************************************************************************/
+BOOL pwd_compare(struct pwd_info *pwd1, struct pwd_info *pwd2)
+{
+ pwd_deobfuscate(pwd1);
+ pwd_deobfuscate(pwd2);
+ if (pwd1->cleartext && pwd2->cleartext)
+ {
+ if (strequal(pwd1->password, pwd2->password))
+ {
+ pwd_obfuscate(pwd1);
+ pwd_obfuscate(pwd2);
+ return True;
+ }
+ }
+ if (pwd1->null_pwd && pwd2->null_pwd)
+ {
+ pwd_obfuscate(pwd1);
+ pwd_obfuscate(pwd2);
+ return True;
+ }
+
+ if (!pwd1->null_pwd && !pwd2->null_pwd &&
+ !pwd1->cleartext && !pwd2->cleartext)
+ {
+#ifdef DEBUG_PASSWORD
+ DEBUG(100,("pwd compare: nt#\n"));
+ dump_data(100, pwd1->smb_nt_pwd, 16);
+ dump_data(100, pwd2->smb_nt_pwd, 16);
+#endif
+ if (memcmp(pwd1->smb_nt_pwd, pwd2->smb_nt_pwd, 16) == 0)
+ {
+ pwd_obfuscate(pwd1);
+ pwd_obfuscate(pwd2);
+ return True;
+ }
+#ifdef DEBUG_PASSWORD
+ DEBUG(100,("pwd compare: lm#\n"));
+ dump_data(100, pwd1->smb_lm_pwd, 16);
+ dump_data(100, pwd2->smb_lm_pwd, 16);
+#endif
+ if (memcmp(pwd1->smb_lm_pwd, pwd2->smb_lm_pwd, 16) == 0)
+ {
+ pwd_obfuscate(pwd1);
+ pwd_obfuscate(pwd2);
+ return True;
+ }
+ }
+ pwd_obfuscate(pwd1);
+ pwd_obfuscate(pwd2);
+ return False;
+}
+
/****************************************************************************
reads a password
****************************************************************************/
}
/****************************************************************************
- Read the machine SID from a file.
+ Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
+ not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
****************************************************************************/
-
-static BOOL read_sid_from_file(int fd, char *sid_file)
-{
- fstring fline;
-
- memset(fline, '\0', sizeof(fline));
-
- if(read(fd, fline, sizeof(fline) -1 ) < 0) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Convert to the machine SID.
- */
-
- fline[sizeof(fline)-1] = '\0';
- if(!string_to_sid( &global_sam_sid, fline)) {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
-
- return True;
-}
-
-/****************************************************************************
- Generate the global machine sid. Look for the MACHINE.SID file first, if
- not found then look in smb.conf and use it to create the MACHINE.SID file.
-****************************************************************************/
-BOOL pdb_generate_sam_sid(void)
+BOOL pdb_generate_sam_sid(char *domain_name, DOM_SID *sid)
{
- int fd;
char *p;
pstring sid_file;
- fstring sid_string;
- SMB_STRUCT_STAT st;
- BOOL overwrite_bad_sid = False;
+ pstring machine_sid_file;
+ fstring file_name;
- generate_wellknown_sids();
+ if (sid == NULL)
+ {
+ sid = &global_sam_sid;
+ }
pstrcpy(sid_file, lp_smb_passwd_file());
+
+ if (sid_file[0] == 0)
+ {
+ DEBUG(0,("cannot find smb passwd file\n"));
+ return False;
+ }
+
p = strrchr(sid_file, '/');
- if(p != NULL) {
+ if (p != NULL)
+ {
*++p = '\0';
}
}
}
- pstrcat(sid_file, "MACHINE.SID");
+ pstrcpy(machine_sid_file, sid_file);
+ pstrcat(machine_sid_file, "MACHINE.SID");
+
+ slprintf(file_name, sizeof(file_name)-1, "%s.SID", domain_name);
+ strupper(file_name);
+ pstrcat(sid_file, file_name);
- if((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
- DEBUG(0,("unable to open or create file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Check if the file contains data.
- */
-
- if(sys_fstat( fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if(st.st_size > 0) {
- /*
- * We have a valid SID - read it.
- */
- if(!read_sid_from_file( fd, sid_file)) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
+ if (file_exist(machine_sid_file, NULL))
+ {
+ if (file_exist(sid_file, NULL))
+ {
+ DEBUG(0,("both %s and %s exist when only one should, unable to continue\n",
+ machine_sid_file, sid_file));
return False;
}
-
- /*
- * JRA. Reversed the sense of this test now that I have
- * actually done this test *personally*. One more reason
- * to never trust third party information you have not
- * independently verified.... sigh. JRA.
- */
-
- if(global_sam_sid.num_auths > 0 && global_sam_sid.sub_auths[0] == 0x21) {
- /*
- * Fix and re-write...
- */
- overwrite_bad_sid = True;
- global_sam_sid.sub_auths[0] = 21;
- DEBUG(5,("pdb_generate_sam_sid: Old (incorrect) sid id_auth of hex 21 \
-detected - re-writing to be decimal 21 instead.\n" ));
- sid_to_string(sid_string, &global_sam_sid);
- if(sys_lseek(fd, (SMB_OFF_T)0, SEEK_SET) != 0) {
- DEBUG(0,("unable to seek file file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
- } else {
- close(fd);
- return True;
+ if (file_rename(machine_sid_file, sid_file))
+ {
+ DEBUG(0,("could not rename %s to %s. Error was %s\n",
+ machine_sid_file, sid_file, strerror(errno)));
+ return False;
}
- } else {
- /*
- * The file contains no data - we need to generate our
- * own sid.
- * Generate the new sid data & turn it into a string.
- */
- int i;
- uchar raw_sid_data[12];
- DOM_SID mysid;
-
- memset((char *)&mysid, '\0', sizeof(DOM_SID));
- mysid.sid_rev_num = 1;
- mysid.id_auth[5] = 5;
- mysid.num_auths = 0;
- mysid.sub_auths[mysid.num_auths++] = 21;
-
- generate_random_buffer( raw_sid_data, 12, True);
- for( i = 0; i < 3; i++)
- mysid.sub_auths[mysid.num_auths++] = IVAL(raw_sid_data, i*4);
-
- sid_to_string(sid_string, &mysid);
- }
-
- fstrcat(sid_string, "\n");
-
- /*
- * Ensure our new SID is valid.
- */
+ }
- if(!string_to_sid( &global_sam_sid, sid_string)) {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
+ /* attempt to read the SID from the file */
+ if (read_sid(domain_name, sid))
+ {
+ return True;
+ }
- /*
- * Do an exclusive blocking lock on the file.
- */
-
- if(!do_file_lock( fd, 60, F_WRLCK)) {
- DEBUG(0,("unable to lock file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
+ if (!create_new_sid(sid))
+ {
return False;
- }
-
- if(!overwrite_bad_sid) {
- /*
- * At this point we have a blocking lock on the SID
- * file - check if in the meantime someone else wrote
- * SID data into the file. If so - they were here first,
- * use their data.
- */
-
- if(sys_fstat( fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if(st.st_size > 0) {
- /*
- * Unlock as soon as possible to reduce
- * contention on the exclusive lock.
- */
- do_file_lock( fd, 60, F_UNLCK);
-
- /*
- * We have a valid SID - read it.
- */
-
- if(!read_sid_from_file( fd, sid_file)) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
- close(fd);
- return True;
- }
}
-
- /*
- * The file is still empty and we have an exlusive lock on it,
- * or we're fixing an earlier mistake.
- * Write out out SID data into the file.
- */
+ /* attempt to read the SID from the file */
+ if (!write_sid(domain_name, sid))
+ {
+ return True;
+ }
+
+ /* during the attempt to write, someone else wrote? */
- /*
- * Use chmod here as some (strange) UNIX's don't
- * have fchmod. JRA.
- */
-
- if(chmod(sid_file, 0644) < 0) {
- DEBUG(0,("unable to set correct permissions on file %s. \
-Error was %s\n", sid_file, strerror(errno) ));
- do_file_lock( fd, 60, F_UNLCK);
- close(fd);
- return False;
- }
-
- if(write( fd, sid_string, strlen(sid_string)) != strlen(sid_string)) {
- DEBUG(0,("unable to write file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- do_file_lock( fd, 60, F_UNLCK);
- close(fd);
- return False;
- }
-
- /*
- * Unlock & exit.
- */
-
- do_file_lock( fd, 60, F_UNLCK);
- close(fd);
+ /* attempt to read the SID from the file */
+ if (read_sid(domain_name, sid))
+ {
+ return True;
+ }
+
return True;
}
-
/*******************************************************************
Converts NT user RID to a UNIX uid.
********************************************************************/
--- /dev/null
+/*
+ * Unix SMB/Netbios implementation.
+ * Version 1.9.
+ * RPC Pipe client / server routines
+ * Copyright (C) Andrew Tgrpsgell 1992-1999,
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1999,
+ * Copyright (C) Paul Ashton 1997-1999.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambgrpsge, MA 02139, USA.
+ */
+
+
+#include "includes.h"
+
+extern int DEBUGLEVEL;
+
+
+/*******************************************************************
+makes a CREDS_UNIX structure.
+********************************************************************/
+BOOL make_creds_unix(CREDS_UNIX *r_u, const char* user_name,
+ const char* requested_name,
+ const char* real_name,
+ BOOL guest)
+{
+ if (r_u == NULL) return False;
+
+ DEBUG(5,("make_creds_unix\n"));
+
+ fstrcpy(r_u->user_name , user_name);
+ fstrcpy(r_u->requested_name, requested_name);
+ fstrcpy(r_u->real_name , real_name);
+ r_u->guest = guest;
+
+ return True;
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_unix(char *desc, CREDS_UNIX *r_u, prs_struct *ps, int depth)
+{
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_unix");
+ depth++;
+
+ prs_align(ps);
+ prs_string("user_name", ps, depth, r_u->user_name, strlen(r_u->user_name), sizeof(r_u->user_name));
+ prs_align(ps);
+ prs_string("requested_name", ps, depth, r_u->requested_name, strlen(r_u->requested_name), sizeof(r_u->requested_name));
+ prs_align(ps);
+ prs_string("real_name", ps, depth, r_u->real_name, strlen(r_u->real_name), sizeof(r_u->real_name));
+ prs_align(ps);
+ prs_uint32("guest", ps, depth, &(r_u->guest));
+ return True;
+}
+
+
+/*******************************************************************
+frees a structure.
+********************************************************************/
+void creds_free_unix(CREDS_UNIX *r_u)
+{
+}
+
+/*******************************************************************
+makes a CREDS_UNIX_SEC structure.
+********************************************************************/
+BOOL make_creds_unix_sec(CREDS_UNIX_SEC *r_u,
+ uint32 uid, uint32 gid, uint32 num_grps, gid_t *grps)
+{
+ int i;
+ if (r_u == NULL) return False;
+
+ DEBUG(5,("make_creds_unix_sec\n"));
+
+ r_u->uid = uid;
+ r_u->gid = gid;
+ r_u->num_grps = num_grps;
+ r_u->grps = (uint32*)Realloc(NULL, sizeof(r_u->grps[0]) *
+ r_u->num_grps);
+ if (r_u->grps == NULL && num_grps != 0)
+ {
+ return False;
+ }
+ for (i = 0; i < num_grps; i++)
+ {
+ r_u->grps[i] = (gid_t)grps[i];
+ }
+
+ return True;
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_unix_sec(char *desc, CREDS_UNIX_SEC *r_u, prs_struct *ps, int depth)
+{
+ uint32 i;
+
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_unix_sec");
+ depth++;
+
+ prs_align(ps);
+
+ prs_uint32("uid", ps, depth, &(r_u->uid));
+ prs_uint32("gid", ps, depth, &(r_u->gid));
+ prs_uint32("num_grps", ps, depth, &(r_u->num_grps));
+ if (r_u->num_grps != 0)
+ {
+ r_u->grps = (uint32*)Realloc(r_u->grps,
+ sizeof(r_u->grps[0]) *
+ r_u->num_grps);
+ if (r_u->grps == NULL)
+ {
+ creds_free_unix_sec(r_u);
+ return False;
+ }
+ }
+ for (i = 0; i < r_u->num_grps; i++)
+ {
+ prs_uint32("", ps, depth, &(r_u->grps[i]));
+ }
+ return True;
+}
+
+
+/*******************************************************************
+frees a structure.
+********************************************************************/
+void creds_free_unix_sec(CREDS_UNIX_SEC *r_u)
+{
+ if (r_u->grps != NULL)
+ {
+ free(r_u->grps);
+ r_u->grps = NULL;
+ }
+}
+
+/*******************************************************************
+makes a CREDS_NT_SEC structure.
+********************************************************************/
+BOOL make_creds_nt_sec(CREDS_NT_SEC *r_u,
+ DOM_SID *sid, uint32 num_grps, uint32 *grps)
+{
+ int i;
+ if (r_u == NULL) return False;
+
+ DEBUG(5,("make_creds_unix_sec\n"));
+
+ sid_copy(&r_u->sid, sid);
+ r_u->num_grps = num_grps;
+ r_u->grp_rids = (uint32*)Realloc(NULL, sizeof(r_u->grp_rids[0]) *
+ r_u->num_grps);
+
+ if (r_u->grp_rids == NULL && num_grps != 0)
+ {
+ return False;
+ }
+ for (i = 0; i < num_grps; i++)
+ {
+ r_u->grp_rids[i] = grps[i];
+ }
+
+ return True;
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_nt_sec(char *desc, CREDS_NT_SEC *r_u, prs_struct *ps, int depth)
+{
+ int i;
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_nt");
+ depth++;
+
+ prs_align(ps);
+
+ smb_io_dom_sid ("sid", &r_u->sid, ps, depth);
+ prs_align(ps);
+
+ prs_uint32("num_grps", ps, depth, &(r_u->num_grps));
+ if (r_u->num_grps != 0)
+ {
+ r_u->grp_rids = (uint32*)Realloc(r_u->grp_rids,
+ sizeof(r_u->grp_rids[0]) *
+ r_u->num_grps);
+ if (r_u->grp_rids == NULL)
+ {
+ creds_free_nt_sec(r_u);
+ return False;
+ }
+ }
+ for (i = 0; i < r_u->num_grps; i++)
+ {
+ prs_uint32("", ps, depth, &(r_u->grp_rids[i]));
+ }
+
+ return True;
+}
+
+/*******************************************************************
+frees a structure.
+********************************************************************/
+void creds_free_nt_sec(CREDS_NT_SEC *r_u)
+{
+ if (r_u->grp_rids != NULL)
+ {
+ free(r_u->grp_rids);
+ r_u->grp_rids = NULL;
+ }
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_pwd_info(char *desc, struct pwd_info *pwd, prs_struct *ps, int depth)
+{
+ if (pwd == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_pwd_info");
+ depth++;
+
+ prs_align(ps);
+
+ prs_uint32("nullpwd", ps, depth, &(pwd->null_pwd));
+ if (pwd->null_pwd)
+ {
+ return True;
+ }
+
+ prs_uint32("cleartext", ps, depth, &(pwd->cleartext));
+ if (pwd->cleartext)
+ {
+ prs_string("password", ps, depth, pwd->password, strlen(pwd->password), sizeof(pwd->password));
+ prs_align(ps);
+ return True;
+ }
+ prs_uint32("crypted", ps, depth, &(pwd->crypted));
+
+ prs_uint8s(False, "smb_lm_pwd", ps, depth, (char*)&pwd->smb_lm_pwd, sizeof(pwd->smb_lm_pwd));
+ prs_align(ps);
+ prs_uint8s(False, "smb_nt_pwd", ps, depth, (char*)&pwd->smb_nt_pwd, sizeof(pwd->smb_nt_pwd));
+ prs_align(ps);
+
+ prs_uint8s(False, "smb_lm_owf", ps, depth, (char*)&pwd->smb_lm_owf, sizeof(pwd->smb_lm_owf));
+ prs_align(ps);
+ prs_uint32("nt_owf_len", ps, depth, &(pwd->nt_owf_len));
+ if (pwd->nt_owf_len > sizeof(pwd->smb_nt_owf))
+ {
+ return False;
+ }
+ prs_uint8s(False, "smb_nt_owf", ps, depth, (char*)&pwd->smb_nt_owf, pwd->nt_owf_len);
+ prs_align(ps);
+
+ prs_uint8s(False, "lm_cli_chal", ps, depth, (char*)&pwd->lm_cli_chal, sizeof(pwd->lm_cli_chal));
+ prs_align(ps);
+ prs_uint32("nt_cli_chal_len", ps, depth, &(pwd->nt_cli_chal_len));
+
+ if (pwd->nt_cli_chal_len > sizeof(pwd->nt_cli_chal))
+ {
+ return False;
+ }
+ prs_uint8s(False, "nt_cli_chal", ps, depth, (char*)&pwd->nt_cli_chal, pwd->nt_cli_chal_len);
+ prs_align(ps);
+
+ return True;
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_nt(char *desc, CREDS_NT *r_u, prs_struct *ps, int depth)
+{
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_nt");
+ depth++;
+
+ prs_align(ps);
+
+ /* lkclXXXX CHEAT!!!!!!!! */
+ prs_string("user_name", ps, depth, r_u->user_name, strlen(r_u->user_name), sizeof(r_u->user_name));
+ prs_align(ps);
+ prs_string("domain", ps, depth, r_u->domain, strlen(r_u->domain), sizeof(r_u->domain));
+ prs_align(ps);
+
+ creds_io_pwd_info("pwd", &r_u->pwd, ps, depth);
+ prs_align(ps);
+
+ prs_uint32("ntlmssp", ps, depth, &(r_u->ntlmssp_flags));
+
+ return True;
+}
+
+/*******************************************************************
+frees a structure.
+********************************************************************/
+void creds_free_nt(CREDS_NT *r_u)
+{
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_hybrid(char *desc, CREDS_HYBRID *r_u, prs_struct *ps, int depth)
+{
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_hybrid");
+ depth++;
+
+ prs_align(ps);
+
+ prs_uint32("reuse", ps, depth, &(r_u->reuse));
+ prs_uint32("ptr_ntc", ps, depth, &(r_u->ptr_ntc));
+ prs_uint32("ptr_uxc", ps, depth, &(r_u->ptr_uxc));
+ prs_uint32("ptr_nts", ps, depth, &(r_u->ptr_nts));
+ prs_uint32("ptr_uxs", ps, depth, &(r_u->ptr_uxs));
+ if (r_u->ptr_ntc != 0)
+ {
+ if (!creds_io_nt ("ntc", &r_u->ntc, ps, depth)) return False;
+ }
+ if (r_u->ptr_uxc != 0)
+ {
+ if (!creds_io_unix("uxc", &r_u->uxc, ps, depth)) return False;
+ }
+ if (r_u->ptr_nts != 0)
+ {
+ if (!creds_io_nt_sec ("nts", &r_u->nts, ps, depth)) return False;
+ }
+ if (r_u->ptr_uxs != 0)
+ {
+ if (!creds_io_unix_sec("uxs", &r_u->uxs, ps, depth)) return False;
+ }
+ return True;
+}
+
+void copy_unix_creds(CREDS_UNIX *to, const CREDS_UNIX *from)
+{
+ if (from == NULL)
+ {
+ to->user_name[0] = 0;
+ return;
+ }
+ fstrcpy(to->user_name, from->user_name);
+};
+
+void copy_nt_sec_creds(CREDS_NT_SEC *to, const CREDS_NT_SEC *from)
+{
+ if (from == NULL)
+ {
+ ZERO_STRUCTP(to);
+ return;
+ }
+ sid_copy(&to->sid, &from->sid);
+ to->num_grps = 0;
+ to->grp_rids = NULL;
+
+ if (from->num_grps != 0)
+ {
+ size_t size = from->num_grps * sizeof(from->grp_rids[0]);
+ to->grp_rids = (uint32*)malloc(size);
+ if (to->grp_rids == NULL)
+ {
+ return;
+ }
+ to->num_grps = from->num_grps;
+ memcpy(to->grp_rids, from->grp_rids, size);
+ }
+};
+
+void copy_unix_sec_creds(CREDS_UNIX_SEC *to, const CREDS_UNIX_SEC *from)
+{
+ if (from == NULL)
+ {
+ to->uid = -1;
+ to->gid = -1;
+ to->num_grps = 0;
+ to->grps = NULL;
+ return;
+ }
+ to->uid = from->uid;
+ to->gid = from->gid;
+ to->num_grps = 0;
+ to->grps = NULL;
+
+ if (from->num_grps != 0)
+ {
+ size_t size = from->num_grps * sizeof(from->grps[0]);
+ to->grps = (uint32*)malloc(size);
+ if (to->grps == NULL)
+ {
+ return;
+ }
+ to->num_grps = from->num_grps;
+ memcpy(to->grps, from->grps, size);
+ }
+};
+
+void copy_nt_creds(struct ntuser_creds *to,
+ const struct ntuser_creds *from)
+{
+ if (from == NULL)
+ {
+ DEBUG(10,("copy_nt_creds: null creds\n"));
+ to->domain[0] = 0;
+ to->user_name[0] = 0;
+ pwd_set_nullpwd(&to->pwd);
+ to->ntlmssp_flags = 0;
+
+ return;
+ }
+ safe_strcpy(to->domain , from->domain , sizeof(from->domain )-1);
+ safe_strcpy(to->user_name, from->user_name, sizeof(from->user_name)-1);
+ memcpy(&to->pwd, &from->pwd, sizeof(from->pwd));
+ to->ntlmssp_flags = from->ntlmssp_flags;
+};
+
+void copy_user_creds(struct user_creds *to,
+ const struct user_creds *from)
+{
+ ZERO_STRUCTP(to);
+ if (from == NULL)
+ {
+ to->ptr_ntc = 0;
+ to->ptr_uxc = 0;
+ to->ptr_nts = 0;
+ to->ptr_uxs = 0;
+ copy_nt_creds(&to->ntc, NULL);
+ copy_unix_creds(&to->uxc, NULL);
+ copy_nt_sec_creds(&to->nts, NULL);
+ copy_unix_sec_creds(&to->uxs, NULL);
+ to->reuse = False;
+ return;
+ }
+ to->ptr_nts = from->ptr_nts;
+ to->ptr_uxs = from->ptr_uxs;
+ to->ptr_ntc = from->ptr_ntc;
+ to->ptr_uxc = from->ptr_uxc;
+ if (to->ptr_ntc != 0)
+ {
+ copy_nt_creds(&to->ntc, &from->ntc);
+ }
+ if (to->ptr_uxc != 0)
+ {
+ copy_unix_creds(&to->uxc, &from->uxc);
+ }
+ if (to->ptr_nts != 0)
+ {
+ copy_nt_sec_creds(&to->nts, &from->nts);
+ }
+ if (to->ptr_uxs != 0)
+ {
+ copy_unix_sec_creds(&to->uxs, &from->uxs);
+ }
+ to->reuse = from->reuse;
+};
+
+void free_user_creds(struct user_creds *creds)
+{
+ creds_free_unix(&creds->uxc);
+ creds_free_nt (&creds->ntc);
+ creds_free_unix_sec(&creds->uxs);
+ creds_free_nt_sec (&creds->nts);
+}
+
+/*******************************************************************
+reads or writes a structure.
+********************************************************************/
+BOOL creds_io_cmd(char *desc, CREDS_CMD *r_u, prs_struct *ps, int depth)
+{
+ if (r_u == NULL) return False;
+
+ prs_debug(ps, depth, desc, "creds_io_cmd");
+ depth++;
+
+ prs_align(ps);
+
+ prs_uint16("version", ps, depth, &(r_u->version));
+ prs_uint16("command", ps, depth, &(r_u->command));
+
+ prs_string("name ", ps, depth, r_u->name, strlen(r_u->name), sizeof(r_u->name));
+ prs_align(ps);
+
+ prs_uint32("ptr_creds", ps, depth, &(r_u->ptr_creds));
+ if (r_u->ptr_creds != 0)
+ {
+ if (!creds_io_hybrid("creds", r_u->cred, ps, depth))
+ {
+ return False;
+ }
+ }
+
+
+ return True;
+}
+
+
+BOOL create_ntuser_creds( prs_struct *ps,
+ const char* name,
+ uint16 version, uint16 command,
+ const struct ntuser_creds *ntu,
+ BOOL reuse)
+{
+ CREDS_CMD cmd;
+ struct user_creds usr;
+
+ ZERO_STRUCT(cmd);
+ ZERO_STRUCT(usr);
+
+ DEBUG(10,("create_user_creds: %s %d %d\n",
+ name, version, command));
+
+ usr.reuse = reuse;
+
+ fstrcpy(cmd.name, name);
+ cmd.version = version;
+ cmd.command = command;
+ cmd.ptr_creds = ntu != NULL ? 1 : 0;
+ cmd.cred = &usr;
+
+ if (ntu != NULL)
+ {
+ copy_nt_creds(&usr.ntc, ntu);
+ usr.ptr_ntc = 1;
+ }
+ else
+ {
+ usr.ptr_ntc = 0;
+ }
+
+ prs_init(ps, 1024, 4, False);
+
+ ps->data_offset = 4;
+ return creds_io_cmd("creds", &cmd, ps, 0);
+}
+
+BOOL create_user_creds( prs_struct *ps,
+ const char* name,
+ uint16 version, uint16 command,
+ const struct user_creds *usr)
+{
+ CREDS_CMD cmd;
+
+ ZERO_STRUCT(cmd);
+
+ DEBUG(10,("create_user_creds: %s %d %d\n",
+ name, version, command));
+
+ fstrcpy(cmd.name, name);
+ cmd.version = version;
+ cmd.command = command;
+ cmd.ptr_creds = usr != NULL ? 1 : 0;
+ cmd.cred = usr;
+
+ prs_init(ps, 1024, 4, False);
+
+ ps->data_offset = 4;
+ return creds_io_cmd("creds", &cmd, ps, 0);
+}
return True;
}
+/*******************************************************************
+ read from a socket into memory.
+ ********************************************************************/
+BOOL prs_read(prs_struct *ps, int fd, size_t len, int timeout)
+{
+ BOOL ok;
+ size_t prev_size = ps->buffer_size;
+ if (!prs_grow(ps, len))
+ {
+ return False;
+ }
+
+ if (timeout > 0)
+ {
+ ok = (read_with_timeout(fd, &ps->data_p[prev_size],
+ len, len,timeout) == len);
+ }
+ else
+ {
+ ok = (read_data(fd, &ps->data_p[prev_size], len) == len);
+ }
+ return ok;
+}
+
/*******************************************************************
Delete the memory in a parse structure - if we own it.
********************************************************************/
+
/*
* Unix SMB/Netbios implementation.
* Version 1.9.
* Copyright (C) Andrew Tridgell 1992-1998
* Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
* Copyright (C) Paul Ashton 1997-1998.
- * Copyright (C) Jeremy Allison 1999.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
extern int DEBUGLEVEL;
-static void NTLMSSPcalc_p( pipes_struct *p, unsigned char *data, int len)
-{
- unsigned char *hash = p->ntlmssp_hash;
- unsigned char index_i = hash[256];
- unsigned char index_j = hash[257];
- int ind;
-
- for( ind = 0; ind < len; ind++) {
- unsigned char tc;
- unsigned char t;
-
- index_i++;
- index_j += hash[index_i];
-
- tc = hash[index_i];
- hash[index_i] = hash[index_j];
- hash[index_j] = tc;
-
- t = hash[index_i] + hash[index_j];
- data[ind] = data[ind] ^ hash[t];
- }
-
- hash[256] = index_i;
- hash[257] = index_j;
-}
-
/*******************************************************************
- Generate the next PDU to be returned from the data in p->rdata.
- We cheat here as this function doesn't handle the special auth
- footers of the authenticated bind response reply.
+ entry point from msrpc to smb. adds data received to pdu; checks
+ pdu; hands pdu off to msrpc, which gets a pdu back (except in the
+ case of the RPC_BINDCONT pdu).
********************************************************************/
-
-BOOL create_next_pdu(pipes_struct *p)
-{
- RPC_HDR_RESP hdr_resp;
- BOOL auth_verify = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SIGN);
- BOOL auth_seal = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SEAL);
- uint32 data_len;
- uint32 data_space_available;
- uint32 data_len_left;
- prs_struct outgoing_pdu;
- char *data;
- char *data_from;
- uint32 data_pos;
-
- memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
-
- /* Change the incoming request header to a response. */
- p->hdr.pkt_type = RPC_RESPONSE;
-
- /* Set up rpc header flags. */
- if (p->data_sent_length == 0)
- p->hdr.flags = RPC_FLG_FIRST;
- else
- p->hdr.flags = 0;
-
- /*
- * Work out how much we can fit in a sigle PDU.
- */
-
- data_space_available = sizeof(p->current_pdu) - RPC_HEADER_LEN - RPC_HDR_RESP_LEN;
- if(p->ntlmssp_auth_validated)
- data_space_available -= (RPC_HDR_AUTH_LEN + RPC_AUTH_NTLMSSP_CHK_LEN);
-
- /*
- * The amount we send is the minimum of the available
- * space and the amount left to send.
- */
-
- data_len_left = prs_offset(&p->rdata) - p->data_sent_length;
-
- /*
- * Ensure there really is data left to send.
- */
-
- if(!data_len_left) {
- DEBUG(0,("create_next_pdu: no data left to send !\n"));
- return False;
- }
-
- data_len = MIN(data_len_left, data_space_available);
-
- /*
- * Set up the alloc hint. This should be the data left to
- * send.
- */
-
- hdr_resp.alloc_hint = data_len_left;
-
- /*
- * Set up the header lengths.
- */
-
- if (p->ntlmssp_auth_validated) {
- p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len +
- RPC_HDR_AUTH_LEN + RPC_AUTH_NTLMSSP_CHK_LEN;
- p->hdr.auth_len = RPC_AUTH_NTLMSSP_CHK_LEN;
- } else {
- p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len;
- p->hdr.auth_len = 0;
- }
-
- /*
- * Work out if this PDU will be the last.
- */
-
- if(p->data_sent_length + data_len >= prs_offset(&p->rdata))
- p->hdr.flags |= RPC_FLG_LAST;
-
- /*
- * Init the parse struct to point at the outgoing
- * data.
- */
-
- prs_init( &outgoing_pdu, 0, 4, MARSHALL);
- prs_give_memory( &outgoing_pdu, (char *)p->current_pdu, sizeof(p->current_pdu), False);
-
- /* Store the header in the data stream. */
- if(!smb_io_rpc_hdr("hdr", &p->hdr, &outgoing_pdu, 0)) {
- DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR.\n"));
- return False;
- }
-
- if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
- DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR_RESP.\n"));
- return False;
- }
-
- /* Store the current offset. */
- data_pos = prs_offset(&outgoing_pdu);
-
- /* Copy the data into the PDU. */
- data_from = prs_data_p(&p->rdata) + p->data_sent_length;
-
- if(!prs_append_data(&outgoing_pdu, data_from, data_len)) {
- DEBUG(0,("create_next_pdu: failed to copy %u bytes of data.\n", (unsigned int)data_len));
- return False;
- }
-
- /*
- * Set data to point to where we copied the data into.
- */
-
- data = prs_data_p(&outgoing_pdu) + data_pos;
-
- if (p->hdr.auth_len > 0) {
- uint32 crc32 = 0;
-
- DEBUG(5,("create_next_pdu: sign: %s seal: %s data %d auth %d\n",
- BOOLSTR(auth_verify), BOOLSTR(auth_seal), data_len, p->hdr.auth_len));
-
- if (auth_seal) {
- crc32 = crc32_calc_buffer(data, data_len);
- NTLMSSPcalc_p(p, (uchar*)data, data_len);
- }
-
- if (auth_seal || auth_verify) {
- RPC_HDR_AUTH auth_info;
-
- init_rpc_hdr_auth(&auth_info, NTLMSSP_AUTH_TYPE, NTLMSSP_AUTH_LEVEL,
- (auth_verify ? RPC_HDR_AUTH_LEN : 0), (auth_verify ? 1 : 0));
- if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, &outgoing_pdu, 0)) {
- DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR_AUTH.\n"));
- return False;
- }
- }
-
- if (auth_verify) {
- RPC_AUTH_NTLMSSP_CHK ntlmssp_chk;
- char *auth_data = prs_data_p(&outgoing_pdu);
-
- p->ntlmssp_seq_num++;
- init_rpc_auth_ntlmssp_chk(&ntlmssp_chk, NTLMSSP_SIGN_VERSION,
- crc32, p->ntlmssp_seq_num++);
- auth_data = prs_data_p(&outgoing_pdu) + prs_offset(&outgoing_pdu) + 4;
- if(!smb_io_rpc_auth_ntlmssp_chk("auth_sign", &ntlmssp_chk, &outgoing_pdu, 0)) {
- DEBUG(0,("create_next_pdu: failed to marshall RPC_AUTH_NTLMSSP_CHK.\n"));
- return False;
- }
- NTLMSSPcalc_p(p, (uchar*)auth_data, RPC_AUTH_NTLMSSP_CHK_LEN - 4);
- }
- }
-
- /*
- * Setup the counts for this PDU.
- */
-
- p->data_sent_length += data_len;
- p->current_pdu_len = p->hdr.frag_len;
- p->current_pdu_sent = 0;
-
- return True;
-}
-
-/*******************************************************************
- Process an NTLMSSP authentication response.
- If this function succeeds, the user has been authenticated
- and their domain, name and calling workstation stored in
- the pipe struct.
- The initial challenge is stored in p->challenge.
- *******************************************************************/
-
-static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlmssp_resp)
+BOOL readwrite_pipe(pipes_struct *p, char *data, int len,
+ char **rdata, int *rlen)
{
- uchar lm_owf[24];
- uchar nt_owf[24];
- fstring user_name;
- fstring unix_user_name;
- fstring domain;
- fstring wks;
- BOOL guest_user = False;
- struct smb_passwd *smb_pass = NULL;
- struct passwd *pass = NULL;
- uchar null_smb_passwd[16];
- uchar *smb_passwd_ptr = NULL;
-
- DEBUG(5,("api_pipe_ntlmssp_verify: checking user details\n"));
-
- memset(p->user_name, '\0', sizeof(p->user_name));
- memset(p->unix_user_name, '\0', sizeof(p->unix_user_name));
- memset(p->domain, '\0', sizeof(p->domain));
- memset(p->wks, '\0', sizeof(p->wks));
-
- /*
- * Setup an empty password for a guest user.
- */
-
- memset(null_smb_passwd,0,16);
-
- /*
- * We always negotiate UNICODE.
- */
-
- if (IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_UNICODE)) {
- fstrcpy(user_name, dos_unistrn2((uint16*)ntlmssp_resp->user, ntlmssp_resp->hdr_usr.str_str_len/2));
- fstrcpy(domain, dos_unistrn2((uint16*)ntlmssp_resp->domain, ntlmssp_resp->hdr_domain.str_str_len/2));
- fstrcpy(wks, dos_unistrn2((uint16*)ntlmssp_resp->wks, ntlmssp_resp->hdr_wks.str_str_len/2));
- } else {
- fstrcpy(user_name, ntlmssp_resp->user);
- fstrcpy(domain, ntlmssp_resp->domain);
- fstrcpy(wks, ntlmssp_resp->wks);
- }
-
- DEBUG(5,("user: %s domain: %s wks: %s\n", user_name, domain, wks));
-
- memcpy(lm_owf, ntlmssp_resp->lm_resp, sizeof(lm_owf));
- memcpy(nt_owf, ntlmssp_resp->nt_resp, sizeof(nt_owf));
-
-#ifdef DEBUG_PASSWORD
- DEBUG(100,("lm, nt owfs, chal\n"));
- dump_data(100, (char *)lm_owf, sizeof(lm_owf));
- dump_data(100, (char *)nt_owf, sizeof(nt_owf));
- dump_data(100, (char *)p->challenge, 8);
-#endif
-
- /*
- * Allow guest access. Patch from Shirish Kalele <kalele@veritas.com>.
- */
-
- if((strlen(user_name) == 0) && (ntlmssp_resp->hdr_lm_resp.str_str_len==0) &&
- (ntlmssp_resp->hdr_nt_resp.str_str_len==0)) {
-
- guest_user = True;
-
- fstrcpy(unix_user_name, lp_guestaccount(-1));
- DEBUG(100,("Null user in NTLMSSP verification. Using guest = %s\n", unix_user_name));
-
- smb_passwd_ptr = null_smb_passwd;
-
- } else {
-
- /*
- * Pass the user through the NT -> unix user mapping
- * function.
- */
-
- fstrcpy(unix_user_name, user_name);
- (void)map_username(unix_user_name);
-
- /*
- * Do the length checking only if user is not NULL.
- */
-
- if (ntlmssp_resp->hdr_lm_resp.str_str_len == 0)
- return False;
- if (ntlmssp_resp->hdr_nt_resp.str_str_len == 0)
- return False;
- if (ntlmssp_resp->hdr_usr.str_str_len == 0)
- return False;
- if (ntlmssp_resp->hdr_domain.str_str_len == 0)
- return False;
- if (ntlmssp_resp->hdr_wks.str_str_len == 0)
- return False;
-
- }
-
- /*
- * Find the user in the unix password db.
- */
-
- if(!(pass = Get_Pwnam(unix_user_name,True))) {
- DEBUG(1,("Couldn't find user '%s' in UNIX password database.\n",unix_user_name));
- return(False);
- }
-
- if(!guest_user) {
-
- become_root(True);
-
- if(!(p->ntlmssp_auth_validated = pass_check_smb(unix_user_name, domain,
- (uchar*)p->challenge, lm_owf, nt_owf, NULL))) {
- DEBUG(1,("api_pipe_ntlmssp_verify: User %s\\%s from machine %s \
-failed authentication on named pipe %s.\n", domain, unix_user_name, wks, p->name ));
- unbecome_root(True);
- return False;
- }
-
- if(!(smb_pass = getsmbpwnam(unix_user_name))) {
- DEBUG(1,("api_pipe_ntlmssp_verify: Cannot find user %s in smb passwd database.\n",
- unix_user_name));
- unbecome_root(True);
- return False;
- }
-
- unbecome_root(True);
-
- if (smb_pass == NULL) {
- DEBUG(1,("api_pipe_ntlmssp_verify: Couldn't find user '%s' in smb_passwd file.\n",
- unix_user_name));
- return(False);
- }
-
- /* Quit if the account was disabled. */
- if((smb_pass->acct_ctrl & ACB_DISABLED) || !smb_pass->smb_passwd) {
- DEBUG(1,("Account for user '%s' was disabled.\n", unix_user_name));
- return(False);
- }
-
- if(!smb_pass->smb_nt_passwd) {
- DEBUG(1,("Account for user '%s' has no NT password hash.\n", unix_user_name));
- return(False);
- }
-
- smb_passwd_ptr = smb_pass->smb_passwd;
- }
-
- /*
- * Set up the sign/seal data.
- */
+ DEBUG(10,("rpc_to_smb_readwrite: len %d\n", len));
+ if (write(p->m->fd, data, len) != len)
{
- uchar p24[24];
- NTLMSSPOWFencrypt(smb_passwd_ptr, lm_owf, p24);
- {
- unsigned char j = 0;
- int ind;
-
- unsigned char k2[8];
-
- memcpy(k2, p24, 5);
- k2[5] = 0xe5;
- k2[6] = 0x38;
- k2[7] = 0xb0;
-
- for (ind = 0; ind < 256; ind++)
- p->ntlmssp_hash[ind] = (unsigned char)ind;
-
- for( ind = 0; ind < 256; ind++) {
- unsigned char tc;
-
- j += (p->ntlmssp_hash[ind] + k2[ind%8]);
-
- tc = p->ntlmssp_hash[ind];
- p->ntlmssp_hash[ind] = p->ntlmssp_hash[j];
- p->ntlmssp_hash[j] = tc;
- }
-
- p->ntlmssp_hash[256] = 0;
- p->ntlmssp_hash[257] = 0;
- }
-/* NTLMSSPhash(p->ntlmssp_hash, p24); */
- p->ntlmssp_seq_num = 0;
-
- }
-
- fstrcpy(p->user_name, user_name);
- fstrcpy(p->unix_user_name, unix_user_name);
- fstrcpy(p->domain, domain);
- fstrcpy(p->wks, wks);
-
- /*
- * Store the UNIX credential data (uid/gid pair) in the pipe structure.
- */
-
- p->uid = pass->pw_uid;
- p->gid = pass->pw_gid;
-
- p->ntlmssp_auth_validated = True;
- return True;
-}
-
-/*******************************************************************
- The switch table for the pipe names and the functions to handle them.
- *******************************************************************/
-
-struct api_cmd
-{
- char * pipe_clnt_name;
- char * pipe_srv_name;
- BOOL (*fn) (pipes_struct *, prs_struct *);
-};
-
-static struct api_cmd api_fd_commands[] =
-{
- { "lsarpc", "lsass", api_ntlsa_rpc },
- { "samr", "lsass", api_samr_rpc },
- { "srvsvc", "ntsvcs", api_srvsvc_rpc },
- { "wkssvc", "ntsvcs", api_wkssvc_rpc },
- { "NETLOGON", "lsass", api_netlog_rpc },
-#if DISABLED_IN_2_0
- { "winreg", "winreg", api_reg_rpc },
-#endif
- { NULL, NULL, NULL }
-};
-
-/*******************************************************************
- This is the client reply to our challenge for an authenticated
- bind request. The challenge we sent is in p->challenge.
-*******************************************************************/
-
-static BOOL api_pipe_bind_auth_resp(pipes_struct *p, prs_struct *pd)
-{
- RPC_HDR_AUTHA autha_info;
- RPC_AUTH_VERIFIER auth_verifier;
- RPC_AUTH_NTLMSSP_RESP ntlmssp_resp;
-
- DEBUG(5,("api_pipe_bind_auth_resp: decode request. %d\n", __LINE__));
-
- if (p->hdr.auth_len == 0) {
- DEBUG(0,("api_pipe_bind_auth_resp: No auth field sent !\n"));
- return False;
- }
-
- /*
- * Decode the authentication verifier response.
- */
-
- if(!smb_io_rpc_hdr_autha("", &autha_info, pd, 0)) {
- DEBUG(0,("api_pipe_bind_auth_resp: unmarshall of RPC_HDR_AUTHA failed.\n"));
- return False;
- }
-
- if (autha_info.auth_type != NTLMSSP_AUTH_TYPE || autha_info.auth_level != NTLMSSP_AUTH_LEVEL) {
- DEBUG(0,("api_pipe_bind_auth_resp: incorrect auth type (%d) or level (%d).\n",
- (int)autha_info.auth_type, (int)autha_info.auth_level ));
return False;
}
- if(!smb_io_rpc_auth_verifier("", &auth_verifier, pd, 0)) {
- DEBUG(0,("api_pipe_bind_auth_resp: unmarshall of RPC_AUTH_VERIFIER failed.\n"));
- return False;
- }
-
- /*
- * Ensure this is a NTLMSSP_AUTH packet type.
- */
-
- if (!rpc_auth_verifier_chk(&auth_verifier, "NTLMSSP", NTLMSSP_AUTH)) {
- DEBUG(0,("api_pipe_bind_auth_resp: rpc_auth_verifier_chk failed.\n"));
- return False;
- }
-
- if(!smb_io_rpc_auth_ntlmssp_resp("", &ntlmssp_resp, pd, 0)) {
- DEBUG(0,("api_pipe_bind_auth_resp: Failed to unmarshall RPC_AUTH_NTLMSSP_RESP.\n"));
- return False;
- }
-
- /*
- * The following call actually checks the challenge/response data.
- * for correctness against the given DOMAIN\user name.
- */
-
- if (!api_pipe_ntlmssp_verify(p, &ntlmssp_resp))
- return False;
-
- return True;
-}
-
-/*******************************************************************
- Marshall a bind_nak pdu.
-*******************************************************************/
-
-static BOOL setup_bind_nak(pipes_struct *p, prs_struct *pd)
-{
- prs_struct outgoing_rpc;
- RPC_HDR nak_hdr;
- uint16 zero = 0;
-
- /*
- * Marshall directly into the outgoing PDU space. We
- * must do this as we need to set to the bind response
- * header and are never sending more than one PDU here.
- */
-
- prs_init( &outgoing_rpc, 0, 4, MARSHALL);
- prs_give_memory( &outgoing_rpc, (char *)p->current_pdu, sizeof(p->current_pdu), False);
-
-
- /*
- * Initialize a bind_nak header.
- */
-
- init_rpc_hdr(&nak_hdr, RPC_BINDNACK, RPC_FLG_FIRST | RPC_FLG_LAST,
- p->hdr.call_id, RPC_HEADER_LEN + sizeof(uint16), 0);
-
- /*
- * Marshall the header into the outgoing PDU.
- */
-
- if(!smb_io_rpc_hdr("", &nak_hdr, &outgoing_rpc, 0)) {
- DEBUG(0,("setup_bind_nak: marshalling of RPC_HDR failed.\n"));
+ if ((*rlen) == 0)
+ {
return False;
}
- /*
- * Now add the reject reason.
- */
-
- if(!prs_uint16("reject code", &outgoing_rpc, 0, &zero))
- return False;
-
- p->data_sent_length = 0;
- p->current_pdu_len = prs_offset(&outgoing_rpc);
- p->current_pdu_sent = 0;
-
- return True;
-}
-
-/*******************************************************************
- Respond to a pipe bind request.
-*******************************************************************/
-
-static BOOL api_pipe_bind_req(pipes_struct *p, prs_struct *pd)
-{
- RPC_HDR_BA hdr_ba;
- RPC_HDR_RB hdr_rb;
- RPC_HDR_AUTH auth_info;
- uint16 assoc_gid;
- fstring ack_pipe_name;
- prs_struct out_hdr_ba;
- prs_struct out_auth;
- prs_struct outgoing_rpc;
- int i = 0;
- int auth_len = 0;
-
- p->ntlmssp_auth_requested = False;
-
- DEBUG(5,("api_pipe_bind_req: decode request. %d\n", __LINE__));
-
- /*
- * Try and find the correct pipe name to ensure
- * that this is a pipe name we support.
- */
-
- for (i = 0; api_fd_commands[i].pipe_clnt_name; i++) {
- if (strequal(api_fd_commands[i].pipe_clnt_name, p->name) &&
- api_fd_commands[i].fn != NULL) {
- DEBUG(3,("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
- api_fd_commands[i].pipe_clnt_name,
- api_fd_commands[i].pipe_srv_name));
- fstrcpy(p->pipe_srv_name, api_fd_commands[i].pipe_srv_name);
- break;
- }
- }
-
- if (api_fd_commands[i].fn == NULL) {
- DEBUG(3,("api_pipe_bind_req: Unknown pipe name %s in bind request.\n",
- p->name ));
- if(!setup_bind_nak(p, pd))
- return False;
- return True;
- }
-
- /* decode the bind request */
- if(!smb_io_rpc_hdr_rb("", &hdr_rb, pd, 0)) {
- DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_RB struct.\n"));
+ (*rdata) = (char*)Realloc((*rdata), (*rlen));
+ if ((*rdata) == NULL)
+ {
return False;
}
-
- /*
- * Check if this is an authenticated request.
- */
-
- if (p->hdr.auth_len != 0) {
- RPC_AUTH_VERIFIER auth_verifier;
- RPC_AUTH_NTLMSSP_NEG ntlmssp_neg;
-
- /*
- * Decode the authentication verifier.
- */
-
- if(!smb_io_rpc_hdr_auth("", &auth_info, pd, 0)) {
- DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_AUTH struct.\n"));
- return False;
- }
-
- /*
- * We only support NTLMSSP_AUTH_TYPE requests.
- */
-
- if(auth_info.auth_type != NTLMSSP_AUTH_TYPE) {
- DEBUG(0,("api_pipe_bind_req: unknown auth type %x requested.\n",
- auth_info.auth_type ));
- return False;
- }
-
- if(!smb_io_rpc_auth_verifier("", &auth_verifier, pd, 0)) {
- DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_AUTH struct.\n"));
- return False;
- }
-
- if(!strequal(auth_verifier.signature, "NTLMSSP")) {
- DEBUG(0,("api_pipe_bind_req: auth_verifier.signature != NTLMSSP\n"));
- return False;
- }
-
- if(auth_verifier.msg_type != NTLMSSP_NEGOTIATE) {
- DEBUG(0,("api_pipe_bind_req: auth_verifier.msg_type (%d) != NTLMSSP_NEGOTIATE\n",
- auth_verifier.msg_type));
- return False;
- }
-
- if(!smb_io_rpc_auth_ntlmssp_neg("", &ntlmssp_neg, pd, 0)) {
- DEBUG(0,("api_pipe_bind_req: Failed to unmarshall RPC_AUTH_NTLMSSP_NEG.\n"));
- return False;
- }
-
- p->ntlmssp_chal_flags = SMBD_NTLMSSP_NEG_FLAGS;
- p->ntlmssp_auth_requested = True;
- }
-
- /* name has to be \PIPE\xxxxx */
- fstrcpy(ack_pipe_name, "\\PIPE\\");
- fstrcat(ack_pipe_name, p->pipe_srv_name);
-
- DEBUG(5,("api_pipe_bind_req: make response. %d\n", __LINE__));
-
- /*
- * Marshall directly into the outgoing PDU space. We
- * must do this as we need to set to the bind response
- * header and are never sending more than one PDU here.
- */
-
- prs_init( &outgoing_rpc, 0, 4, MARSHALL);
- prs_give_memory( &outgoing_rpc, (char *)p->current_pdu, sizeof(p->current_pdu), False);
-
- /*
- * Setup the memory to marshall the ba header, and the
- * auth footers.
- */
-
- if(!prs_init(&out_hdr_ba, 1024, 4, MARSHALL)) {
- DEBUG(0,("api_pipe_bind_req: malloc out_hdr_ba failed.\n"));
+ (*rlen) = read(p->m->fd, (*rdata), (*rlen));
+ if ((*rlen) < 0)
+ {
return False;
}
-
- if(!prs_init(&out_auth, 1024, 4, MARSHALL)) {
- DEBUG(0,("pi_pipe_bind_req: malloc out_auth failed.\n"));
- prs_mem_free(&out_hdr_ba);
+ (*rdata) = (char*)Realloc((*rdata), (*rlen));
+ if ((*rdata) == NULL)
+ {
return False;
}
-
- if (p->ntlmssp_auth_requested)
- assoc_gid = 0x7a77;
- else
- assoc_gid = hdr_rb.bba.assoc_gid;
-
- /*
- * Create the bind response struct.
- */
-
- init_rpc_hdr_ba(&hdr_ba,
- hdr_rb.bba.max_tsize,
- hdr_rb.bba.max_rsize,
- assoc_gid,
- ack_pipe_name,
- 0x1, 0x0, 0x0,
- &hdr_rb.transfer);
-
- /*
- * and marshall it.
- */
-
- if(!smb_io_rpc_hdr_ba("", &hdr_ba, &out_hdr_ba, 0)) {
- DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR_BA failed.\n"));
- goto err_exit;
- }
-
- /*
- * Now the authentication.
- */
-
- if (p->ntlmssp_auth_requested) {
- RPC_AUTH_VERIFIER auth_verifier;
- RPC_AUTH_NTLMSSP_CHAL ntlmssp_chal;
-
- generate_random_buffer(p->challenge, 8, False);
-
- /*** Authentication info ***/
-
- init_rpc_hdr_auth(&auth_info, NTLMSSP_AUTH_TYPE, NTLMSSP_AUTH_LEVEL, RPC_HDR_AUTH_LEN, 1);
- if(!smb_io_rpc_hdr_auth("", &auth_info, &out_auth, 0)) {
- DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR_AUTH failed.\n"));
- goto err_exit;
- }
-
- /*** NTLMSSP verifier ***/
-
- init_rpc_auth_verifier(&auth_verifier, "NTLMSSP", NTLMSSP_CHALLENGE);
- if(!smb_io_rpc_auth_verifier("", &auth_verifier, &out_auth, 0)) {
- DEBUG(0,("api_pipe_bind_req: marshalling of RPC_AUTH_VERIFIER failed.\n"));
- goto err_exit;
- }
-
- /* NTLMSSP challenge ***/
-
- init_rpc_auth_ntlmssp_chal(&ntlmssp_chal, p->ntlmssp_chal_flags, p->challenge);
- if(!smb_io_rpc_auth_ntlmssp_chal("", &ntlmssp_chal, &out_auth, 0)) {
- DEBUG(0,("api_pipe_bind_req: marshalling of RPC_AUTH_NTLMSSP_CHAL failed.\n"));
- goto err_exit;
- }
-
- /* Auth len in the rpc header doesn't include auth_header. */
- auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
- }
-
- /*
- * Create the header, now we know the length.
- */
-
- init_rpc_hdr(&p->hdr, RPC_BINDACK, RPC_FLG_FIRST | RPC_FLG_LAST,
- p->hdr.call_id,
- RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
- auth_len);
-
- /*
- * Marshall the header into the outgoing PDU.
- */
-
- if(!smb_io_rpc_hdr("", &p->hdr, &outgoing_rpc, 0)) {
- DEBUG(0,("pi_pipe_bind_req: marshalling of RPC_HDR failed.\n"));
- goto err_exit;
- }
-
- /*
- * Now add the RPC_HDR_BA and any auth needed.
- */
-
- if(!prs_append_prs_data( &outgoing_rpc, &out_hdr_ba)) {
- DEBUG(0,("api_pipe_bind_req: append of RPC_HDR_BA failed.\n"));
- goto err_exit;
- }
-
- if(p->ntlmssp_auth_requested && !prs_append_prs_data( &outgoing_rpc, &out_auth)) {
- DEBUG(0,("api_pipe_bind_req: append of auth info failed.\n"));
- goto err_exit;
- }
-
- /*
- * Setup the lengths for the initial reply.
- */
-
- p->data_sent_length = 0;
- p->current_pdu_len = prs_offset(&outgoing_rpc);
- p->current_pdu_sent = 0;
-
- prs_mem_free(&out_hdr_ba);
- prs_mem_free(&out_auth);
-
return True;
-
- err_exit:
-
- prs_mem_free(&out_hdr_ba);
- prs_mem_free(&out_auth);
- return False;
}
/****************************************************************************
- Deal with sign & seal processing on an RPC request.
-****************************************************************************/
-
-static BOOL api_pipe_auth_process(pipes_struct *p, prs_struct *rpc_in)
+ writes data to a pipe.
+ ****************************************************************************/
+ssize_t write_pipe(pipes_struct *p, char *data, size_t n)
{
- /*
- * We always negotiate the following two bits....
- */
- BOOL auth_verify = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SIGN);
- BOOL auth_seal = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SEAL);
- int data_len;
- int auth_len;
- uint32 old_offset;
- uint32 crc32 = 0;
-
- auth_len = p->hdr.auth_len;
+ DEBUG(6,("write_pipe: %x", p->pnum));
+ DEBUG(6,("name: %s open: %s len: %d",
+ p->name, BOOLSTR(p->open), n));
- if ((auth_len != RPC_AUTH_NTLMSSP_CHK_LEN) && auth_verify) {
- DEBUG(0,("api_pipe_auth_process: Incorrect auth_len %d.\n", auth_len ));
- return False;
- }
-
- /*
- * The following is that length of the data we must verify or unseal.
- * This doesn't include the RPC headers or the auth_len or the RPC_HDR_AUTH_LEN
- * preceeding the auth_data.
- */
-
- data_len = p->hdr.frag_len - RPC_HEADER_LEN - RPC_HDR_REQ_LEN -
- (auth_verify ? RPC_HDR_AUTH_LEN : 0) - auth_len;
-
- DEBUG(5,("api_pipe_auth_process: sign: %s seal: %s data %d auth %d\n",
- BOOLSTR(auth_verify), BOOLSTR(auth_seal), data_len, auth_len));
-
- if (auth_seal) {
- char *data = prs_data_p(rpc_in) + RPC_HEADER_LEN + RPC_HDR_REQ_LEN;
- NTLMSSPcalc_p(p, (uchar*)data, data_len);
- crc32 = crc32_calc_buffer(data, data_len);
- }
-
- old_offset = prs_offset(rpc_in);
-
- if (auth_seal || auth_verify) {
- RPC_HDR_AUTH auth_info;
-
- if(!prs_set_offset(rpc_in, old_offset + data_len)) {
- DEBUG(0,("api_pipe_auth_process: cannot move offset to %u.\n",
- (unsigned int)old_offset + data_len ));
- return False;
- }
-
- if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, rpc_in, 0)) {
- DEBUG(0,("api_pipe_auth_process: failed to unmarshall RPC_HDR_AUTH.\n"));
- return False;
- }
- }
+ dump_data(50, data, n);
- if (auth_verify) {
- RPC_AUTH_NTLMSSP_CHK ntlmssp_chk;
- char *req_data = prs_data_p(rpc_in) + prs_offset(rpc_in) + 4;
-
- DEBUG(5,("api_pipe_auth_process: auth %d\n", prs_offset(rpc_in) + 4));
-
- /*
- * Ensure we have RPC_AUTH_NTLMSSP_CHK_LEN - 4 more bytes in the
- * incoming buffer.
- */
- if(prs_mem_get(rpc_in, RPC_AUTH_NTLMSSP_CHK_LEN - 4) == NULL) {
- DEBUG(0,("api_pipe_auth_process: missing %d bytes in buffer.\n",
- RPC_AUTH_NTLMSSP_CHK_LEN - 4 ));
- return False;
- }
-
- NTLMSSPcalc_p(p, (uchar*)req_data, RPC_AUTH_NTLMSSP_CHK_LEN - 4);
- if(!smb_io_rpc_auth_ntlmssp_chk("auth_sign", &ntlmssp_chk, rpc_in, 0)) {
- DEBUG(0,("api_pipe_auth_process: failed to unmarshall RPC_AUTH_NTLMSSP_CHK.\n"));
- return False;
- }
-
- if (!rpc_auth_ntlmssp_chk(&ntlmssp_chk, crc32, p->ntlmssp_seq_num)) {
- DEBUG(0,("api_pipe_auth_process: NTLMSSP check failed.\n"));
- return False;
- }
- }
-
- /*
- * Return the current pointer to the data offset.
- */
-
- if(!prs_set_offset(rpc_in, old_offset)) {
- DEBUG(0,("api_pipe_auth_process: failed to set offset back to %u\n",
- (unsigned int)old_offset ));
- return False;
- }
-
- return True;
+ return write(p->m->fd, data, n);
}
-/****************************************************************************
- Find the correct RPC function to call for this request.
- If the pipe is authenticated then become the correct UNIX user
- before doing the call.
-****************************************************************************/
-
-static BOOL api_pipe_request(pipes_struct *p, prs_struct *rpc_in)
-{
- int i = 0;
- BOOL ret = False;
- BOOL changed_user_id = False;
-
- if (p->ntlmssp_auth_validated) {
- if (!api_pipe_auth_process(p, rpc_in))
- return False;
-
- if(!become_authenticated_pipe_user(p))
- return False;
-
- changed_user_id = True;
- }
-
- for (i = 0; api_fd_commands[i].pipe_clnt_name; i++) {
- if (strequal(api_fd_commands[i].pipe_clnt_name, p->name) &&
- api_fd_commands[i].fn != NULL) {
- DEBUG(3,("Doing \\PIPE\\%s\n", api_fd_commands[i].pipe_clnt_name));
- ret = api_fd_commands[i].fn(p, rpc_in);
- }
- }
-
- if(changed_user_id)
- unbecome_authenticated_pipe_user(p);
-
- return ret;
-}
/****************************************************************************
- This function is the entry point to processing a DCE/RPC request.
- All the data for the request (including RPC headers and authentication
- verifiers) must be linearized in the input_data buffer, with a length
- of data_len.
+ reads data from a pipe.
- The output is placed into the pipes_struct, and handed back to the
- client on demand.
-****************************************************************************/
+ headers are interspersed with the data at regular intervals. by the time
+ this function is called, the start of the data could possibly have been
+ read by an SMBtrans (file_offset != 0).
-BOOL rpc_command(pipes_struct *p, char *input_data, int data_len)
+ ****************************************************************************/
+int read_pipe(pipes_struct *p, char *data, int n)
{
- prs_struct rpc_in;
- BOOL reply = False;
-
- if (input_data == NULL)
- return False;
-
- prs_init(&rpc_in, 0, 4, UNMARSHALL);
-
- /*
- * Hand the data to the prs_struct, but don't let
- * it own it.
- */
- prs_give_memory( &rpc_in, input_data, (uint32)data_len, False);
+ DEBUG(6,("read_pipe: %x name: %s open: %s len: %d",
+ p->pnum, p->name, BOOLSTR(p->open), n));
- /* Unmarshall the rpc header */
- if(!smb_io_rpc_hdr("", &p->hdr, &rpc_in, 0)) {
- DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR.\n"));
- return False;
- }
-
- /*
- * Create the response data buffer.
- */
-
- if(!pipe_init_outgoing_data(p)) {
- DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR.\n"));
- return False;
- }
-
- switch (p->hdr.pkt_type) {
- case RPC_BIND:
- reply = api_pipe_bind_req(p, &rpc_in);
- break;
- case RPC_REQUEST:
- if (p->ntlmssp_auth_requested && !p->ntlmssp_auth_validated) {
- /* authentication _was_ requested
- and it failed. sorry, no deal!
- */
- DEBUG(0,("rpc_command: RPC request received on pipe %s where \
-authentication failed. Denying the request.\n", p->name));
- reply = False;
- } else {
- /* read the RPC request header */
- if(!smb_io_rpc_hdr_req("req", &p->hdr_req, &rpc_in, 0)) {
- DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR_REQ.\n"));
- return False;
- }
- reply = api_pipe_request(p, &rpc_in);
- }
- break;
- case RPC_BINDRESP: /* not the real name! */
- reply = api_pipe_bind_auth_resp(p, &rpc_in);
- break;
+ if (!p || !p->open)
+ {
+ DEBUG(6,("pipe not open\n"));
+ return -1;
}
- if (!reply)
- DEBUG(3,("rpc_command: DCE/RPC fault should be sent here\n"));
-
- return reply;
+ return read(p->m->fd, data, n);
}
-
-/*******************************************************************
- Calls the underlying RPC function for a named pipe.
- ********************************************************************/
-
-BOOL api_rpcTNP(pipes_struct *p, char *rpc_name, struct api_struct *api_rpc_cmds,
- prs_struct *rpc_in)
-{
- int fn_num;
-
- /* interpret the command */
- DEBUG(4,("api_rpcTNP: %s op 0x%x - ", rpc_name, p->hdr_req.opnum));
-
- for (fn_num = 0; api_rpc_cmds[fn_num].name; fn_num++) {
- if (api_rpc_cmds[fn_num].opnum == p->hdr_req.opnum && api_rpc_cmds[fn_num].fn != NULL) {
- DEBUG(3,("api_rpc_command: %s\n", api_rpc_cmds[fn_num].name));
- break;
- }
- }
-
- if (api_rpc_cmds[fn_num].name == NULL) {
- DEBUG(4, ("unknown\n"));
- return False;
- }
-
- /* do the actual command */
- if(!api_rpc_cmds[fn_num].fn(p->vuid, rpc_in, &p->rdata)) {
- DEBUG(0,("api_rpcTNP: %s: failed.\n", rpc_name));
- prs_mem_free(&p->rdata);
- return False;
- }
-
- DEBUG(5,("api_rpcTNP: called %s successfully\n", rpc_name));
-
- return True;
-}
int i;
pipes_struct *p;
static int next_pipe;
+ struct msrpc_state *m = NULL;
+ user_struct *vuser = get_valid_user_struct(vuid);
+ struct user_creds usr;
+
+ ZERO_STRUCT(usr);
DEBUG(4,("Open pipe requested %s (pipes_open=%d)\n",
pipe_name, pipes_open));
+ if (vuser == NULL)
+ {
+ DEBUG(4,("invalid vuid %d\n", vuid));
+ return NULL;
+ }
+
+ /* set up unix credentials from the smb side, to feed over the pipe */
+ make_creds_unix(&usr.uxc, vuser->name, vuser->requested_name,
+ vuser->real_name, vuser->guest);
+ usr.ptr_uxc = 1;
+ make_creds_unix_sec(&usr.uxs, vuser->uid, vuser->gid,
+ vuser->n_groups, vuser->groups);
+ usr.ptr_uxs = 1;
+
+ /* set up nt credentials from the smb side, to feed over the pipe */
+ /* lkclXXXX todo!
+ make_creds_nt(&usr.ntc);
+ make_creds_nt_sec(&usr.nts);
+ */
+
+ become_root(False); /* to connect to pipe */
+ m = msrpc_use_add(pipe_name, &usr, False);
+ unbecome_root(False);
+
+ if (m == NULL)
+ {
+ DEBUG(10,("open pipes: msrpc redirect failed - go local.\n"));
+ }
+
/* not repeating pipe numbers makes it easier to track things in
log files and prevents client bugs where pipe numbers are reused
over connection restarts */
p->priority = 0;
p->conn = conn;
p->vuid = vuid;
+
+ p->m = m;
p->max_trans_reply = 0;
ssize_t write_to_pipe(pipes_struct *p, char *data, size_t n)
{
- DEBUG(6,("write_pipe: %x", p->pnum));
+ DEBUG(6,("write_to_pipe: %x", p->pnum));
DEBUG(6,("name: %s open: %s len: %d",
p->name, BOOLSTR(p->open), (int)n));
DEBUG(4,("closed pipe name %s pnum=%x (pipes_open=%d)\n",
p->name, p->pnum, pipes_open));
+ if (p->m != NULL)
+ {
+ DEBUG(4,("closed msrpc redirect: "));
+ if (msrpc_use_del(p->m->pipe_name, &p->m->usr, False, NULL))
+ {
+ DEBUG(4,("OK\n"));
+ }
+ else
+ {
+ DEBUG(4,("FAILED\n"));
+ }
+ }
+
DLIST_REMOVE(Pipes, p);
ZERO_STRUCTP(p);
--- /dev/null
+/*
+ * Unix SMB/Netbios implementation.
+ * Version 1.9.
+ * RPC Pipe client / server routines
+ * Copyright (C) Andrew Tridgell 1992-1998
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
+ * Copyright (C) Paul Ashton 1997-1998.
+ * Copyright (C) Jeremy Allison 1999.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* this module apparently provides an implementation of DCE/RPC over a
+ * named pipe (IPC$ connection using SMBtrans). details of DCE/RPC
+ * documentation are available (in on-line form) from the X-Open group.
+ *
+ * this module should provide a level of abstraction between SMB
+ * and DCE/RPC, while minimising the amount of mallocs, unnecessary
+ * data copies, and network traffic.
+ *
+ * in this version, which takes a "let's learn what's going on and
+ * get something running" approach, there is additional network
+ * traffic generated, but the code should be easier to understand...
+ *
+ * ... if you read the docs. or stare at packets for weeks on end.
+ *
+ */
+
+#include "includes.h"
+#include "nterr.h"
+
+extern int DEBUGLEVEL;
+
+static void NTLMSSPcalc_p( pipes_struct *p, unsigned char *data, int len)
+{
+ unsigned char *hash = p->ntlmssp_hash;
+ unsigned char index_i = hash[256];
+ unsigned char index_j = hash[257];
+ int ind;
+
+ for( ind = 0; ind < len; ind++) {
+ unsigned char tc;
+ unsigned char t;
+
+ index_i++;
+ index_j += hash[index_i];
+
+ tc = hash[index_i];
+ hash[index_i] = hash[index_j];
+ hash[index_j] = tc;
+
+ t = hash[index_i] + hash[index_j];
+ data[ind] = data[ind] ^ hash[t];
+ }
+
+ hash[256] = index_i;
+ hash[257] = index_j;
+}
+
+/*******************************************************************
+ Generate the next PDU to be returned from the data in p->rdata.
+ We cheat here as this function doesn't handle the special auth
+ footers of the authenticated bind response reply.
+ ********************************************************************/
+
+BOOL create_next_pdu(pipes_struct *p)
+{
+ RPC_HDR_RESP hdr_resp;
+ BOOL auth_verify = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SIGN);
+ BOOL auth_seal = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SEAL);
+ uint32 data_len;
+ uint32 data_space_available;
+ uint32 data_len_left;
+ prs_struct outgoing_pdu;
+ char *data;
+ char *data_from;
+ uint32 data_pos;
+
+ memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
+
+ /* Change the incoming request header to a response. */
+ p->hdr.pkt_type = RPC_RESPONSE;
+
+ /* Set up rpc header flags. */
+ if (p->data_sent_length == 0)
+ p->hdr.flags = RPC_FLG_FIRST;
+ else
+ p->hdr.flags = 0;
+
+ /*
+ * Work out how much we can fit in a sigle PDU.
+ */
+
+ data_space_available = sizeof(p->current_pdu) - RPC_HEADER_LEN - RPC_HDR_RESP_LEN;
+ if(p->ntlmssp_auth_validated)
+ data_space_available -= (RPC_HDR_AUTH_LEN + RPC_AUTH_NTLMSSP_CHK_LEN);
+
+ /*
+ * The amount we send is the minimum of the available
+ * space and the amount left to send.
+ */
+
+ data_len_left = prs_offset(&p->rdata) - p->data_sent_length;
+
+ /*
+ * Ensure there really is data left to send.
+ */
+
+ if(!data_len_left) {
+ DEBUG(0,("create_next_pdu: no data left to send !\n"));
+ return False;
+ }
+
+ data_len = MIN(data_len_left, data_space_available);
+
+ /*
+ * Set up the alloc hint. This should be the data left to
+ * send.
+ */
+
+ hdr_resp.alloc_hint = data_len_left;
+
+ /*
+ * Set up the header lengths.
+ */
+
+ if (p->ntlmssp_auth_validated) {
+ p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len +
+ RPC_HDR_AUTH_LEN + RPC_AUTH_NTLMSSP_CHK_LEN;
+ p->hdr.auth_len = RPC_AUTH_NTLMSSP_CHK_LEN;
+ } else {
+ p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN + data_len;
+ p->hdr.auth_len = 0;
+ }
+
+ /*
+ * Work out if this PDU will be the last.
+ */
+
+ if(p->data_sent_length + data_len >= prs_offset(&p->rdata))
+ p->hdr.flags |= RPC_FLG_LAST;
+
+ /*
+ * Init the parse struct to point at the outgoing
+ * data.
+ */
+
+ prs_init( &outgoing_pdu, 0, 4, MARSHALL);
+ prs_give_memory( &outgoing_pdu, (char *)p->current_pdu, sizeof(p->current_pdu), False);
+
+ /* Store the header in the data stream. */
+ if(!smb_io_rpc_hdr("hdr", &p->hdr, &outgoing_pdu, 0)) {
+ DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR.\n"));
+ return False;
+ }
+
+ if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &outgoing_pdu, 0)) {
+ DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR_RESP.\n"));
+ return False;
+ }
+
+ /* Store the current offset. */
+ data_pos = prs_offset(&outgoing_pdu);
+
+ /* Copy the data into the PDU. */
+ data_from = prs_data_p(&p->rdata) + p->data_sent_length;
+
+ if(!prs_append_data(&outgoing_pdu, data_from, data_len)) {
+ DEBUG(0,("create_next_pdu: failed to copy %u bytes of data.\n", (unsigned int)data_len));
+ return False;
+ }
+
+ /*
+ * Set data to point to where we copied the data into.
+ */
+
+ data = prs_data_p(&outgoing_pdu) + data_pos;
+
+ if (p->hdr.auth_len > 0) {
+ uint32 crc32 = 0;
+
+ DEBUG(5,("create_next_pdu: sign: %s seal: %s data %d auth %d\n",
+ BOOLSTR(auth_verify), BOOLSTR(auth_seal), data_len, p->hdr.auth_len));
+
+ if (auth_seal) {
+ crc32 = crc32_calc_buffer(data, data_len);
+ NTLMSSPcalc_p(p, (uchar*)data, data_len);
+ }
+
+ if (auth_seal || auth_verify) {
+ RPC_HDR_AUTH auth_info;
+
+ init_rpc_hdr_auth(&auth_info, NTLMSSP_AUTH_TYPE, NTLMSSP_AUTH_LEVEL,
+ (auth_verify ? RPC_HDR_AUTH_LEN : 0), (auth_verify ? 1 : 0));
+ if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, &outgoing_pdu, 0)) {
+ DEBUG(0,("create_next_pdu: failed to marshall RPC_HDR_AUTH.\n"));
+ return False;
+ }
+ }
+
+ if (auth_verify) {
+ RPC_AUTH_NTLMSSP_CHK ntlmssp_chk;
+ char *auth_data = prs_data_p(&outgoing_pdu);
+
+ p->ntlmssp_seq_num++;
+ init_rpc_auth_ntlmssp_chk(&ntlmssp_chk, NTLMSSP_SIGN_VERSION,
+ crc32, p->ntlmssp_seq_num++);
+ auth_data = prs_data_p(&outgoing_pdu) + prs_offset(&outgoing_pdu) + 4;
+ if(!smb_io_rpc_auth_ntlmssp_chk("auth_sign", &ntlmssp_chk, &outgoing_pdu, 0)) {
+ DEBUG(0,("create_next_pdu: failed to marshall RPC_AUTH_NTLMSSP_CHK.\n"));
+ return False;
+ }
+ NTLMSSPcalc_p(p, (uchar*)auth_data, RPC_AUTH_NTLMSSP_CHK_LEN - 4);
+ }
+ }
+
+ /*
+ * Setup the counts for this PDU.
+ */
+
+ p->data_sent_length += data_len;
+ p->current_pdu_len = p->hdr.frag_len;
+ p->current_pdu_sent = 0;
+
+ return True;
+}
+
+/*******************************************************************
+ Process an NTLMSSP authentication response.
+ If this function succeeds, the user has been authenticated
+ and their domain, name and calling workstation stored in
+ the pipe struct.
+ The initial challenge is stored in p->challenge.
+ *******************************************************************/
+
+static BOOL api_pipe_ntlmssp_verify(pipes_struct *p, RPC_AUTH_NTLMSSP_RESP *ntlmssp_resp)
+{
+ uchar lm_owf[24];
+ uchar nt_owf[24];
+ fstring user_name;
+ fstring unix_user_name;
+ fstring domain;
+ fstring wks;
+ BOOL guest_user = False;
+ struct smb_passwd *smb_pass = NULL;
+ struct passwd *pass = NULL;
+ uchar null_smb_passwd[16];
+ uchar *smb_passwd_ptr = NULL;
+
+ DEBUG(5,("api_pipe_ntlmssp_verify: checking user details\n"));
+
+ memset(p->user_name, '\0', sizeof(p->user_name));
+ memset(p->unix_user_name, '\0', sizeof(p->unix_user_name));
+ memset(p->domain, '\0', sizeof(p->domain));
+ memset(p->wks, '\0', sizeof(p->wks));
+
+ /*
+ * Setup an empty password for a guest user.
+ */
+
+ memset(null_smb_passwd,0,16);
+
+ /*
+ * We always negotiate UNICODE.
+ */
+
+ if (IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_UNICODE)) {
+ fstrcpy(user_name, dos_unistrn2((uint16*)ntlmssp_resp->user, ntlmssp_resp->hdr_usr.str_str_len/2));
+ fstrcpy(domain, dos_unistrn2((uint16*)ntlmssp_resp->domain, ntlmssp_resp->hdr_domain.str_str_len/2));
+ fstrcpy(wks, dos_unistrn2((uint16*)ntlmssp_resp->wks, ntlmssp_resp->hdr_wks.str_str_len/2));
+ } else {
+ fstrcpy(user_name, ntlmssp_resp->user);
+ fstrcpy(domain, ntlmssp_resp->domain);
+ fstrcpy(wks, ntlmssp_resp->wks);
+ }
+
+ DEBUG(5,("user: %s domain: %s wks: %s\n", user_name, domain, wks));
+
+ memcpy(lm_owf, ntlmssp_resp->lm_resp, sizeof(lm_owf));
+ memcpy(nt_owf, ntlmssp_resp->nt_resp, sizeof(nt_owf));
+
+#ifdef DEBUG_PASSWORD
+ DEBUG(100,("lm, nt owfs, chal\n"));
+ dump_data(100, (char *)lm_owf, sizeof(lm_owf));
+ dump_data(100, (char *)nt_owf, sizeof(nt_owf));
+ dump_data(100, (char *)p->challenge, 8);
+#endif
+
+ /*
+ * Allow guest access. Patch from Shirish Kalele <kalele@veritas.com>.
+ */
+
+ if((strlen(user_name) == 0) && (ntlmssp_resp->hdr_lm_resp.str_str_len==0) &&
+ (ntlmssp_resp->hdr_nt_resp.str_str_len==0)) {
+
+ guest_user = True;
+
+ fstrcpy(unix_user_name, lp_guestaccount(-1));
+ DEBUG(100,("Null user in NTLMSSP verification. Using guest = %s\n", unix_user_name));
+
+ smb_passwd_ptr = null_smb_passwd;
+
+ } else {
+
+ /*
+ * Pass the user through the NT -> unix user mapping
+ * function.
+ */
+
+ fstrcpy(unix_user_name, user_name);
+ (void)map_username(unix_user_name);
+
+ /*
+ * Do the length checking only if user is not NULL.
+ */
+
+ if (ntlmssp_resp->hdr_lm_resp.str_str_len == 0)
+ return False;
+ if (ntlmssp_resp->hdr_nt_resp.str_str_len == 0)
+ return False;
+ if (ntlmssp_resp->hdr_usr.str_str_len == 0)
+ return False;
+ if (ntlmssp_resp->hdr_domain.str_str_len == 0)
+ return False;
+ if (ntlmssp_resp->hdr_wks.str_str_len == 0)
+ return False;
+
+ }
+
+ /*
+ * Find the user in the unix password db.
+ */
+
+ if(!(pass = Get_Pwnam(unix_user_name,True))) {
+ DEBUG(1,("Couldn't find user '%s' in UNIX password database.\n",unix_user_name));
+ return(False);
+ }
+
+ if(!guest_user) {
+
+ become_root(True);
+
+ if(!(p->ntlmssp_auth_validated = pass_check_smb(unix_user_name, domain,
+ (uchar*)p->challenge, lm_owf, nt_owf, NULL))) {
+ DEBUG(1,("api_pipe_ntlmssp_verify: User %s\\%s from machine %s \
+failed authentication on named pipe %s.\n", domain, unix_user_name, wks, p->name ));
+ unbecome_root(True);
+ return False;
+ }
+
+ if(!(smb_pass = getsmbpwnam(unix_user_name))) {
+ DEBUG(1,("api_pipe_ntlmssp_verify: Cannot find user %s in smb passwd database.\n",
+ unix_user_name));
+ unbecome_root(True);
+ return False;
+ }
+
+ unbecome_root(True);
+
+ if (smb_pass == NULL) {
+ DEBUG(1,("api_pipe_ntlmssp_verify: Couldn't find user '%s' in smb_passwd file.\n",
+ unix_user_name));
+ return(False);
+ }
+
+ /* Quit if the account was disabled. */
+ if((smb_pass->acct_ctrl & ACB_DISABLED) || !smb_pass->smb_passwd) {
+ DEBUG(1,("Account for user '%s' was disabled.\n", unix_user_name));
+ return(False);
+ }
+
+ if(!smb_pass->smb_nt_passwd) {
+ DEBUG(1,("Account for user '%s' has no NT password hash.\n", unix_user_name));
+ return(False);
+ }
+
+ smb_passwd_ptr = smb_pass->smb_passwd;
+ }
+
+ /*
+ * Set up the sign/seal data.
+ */
+
+ {
+ uchar p24[24];
+ NTLMSSPOWFencrypt(smb_passwd_ptr, lm_owf, p24);
+ {
+ unsigned char j = 0;
+ int ind;
+
+ unsigned char k2[8];
+
+ memcpy(k2, p24, 5);
+ k2[5] = 0xe5;
+ k2[6] = 0x38;
+ k2[7] = 0xb0;
+
+ for (ind = 0; ind < 256; ind++)
+ p->ntlmssp_hash[ind] = (unsigned char)ind;
+
+ for( ind = 0; ind < 256; ind++) {
+ unsigned char tc;
+
+ j += (p->ntlmssp_hash[ind] + k2[ind%8]);
+
+ tc = p->ntlmssp_hash[ind];
+ p->ntlmssp_hash[ind] = p->ntlmssp_hash[j];
+ p->ntlmssp_hash[j] = tc;
+ }
+
+ p->ntlmssp_hash[256] = 0;
+ p->ntlmssp_hash[257] = 0;
+ }
+/* NTLMSSPhash(p->ntlmssp_hash, p24); */
+ p->ntlmssp_seq_num = 0;
+
+ }
+
+ fstrcpy(p->user_name, user_name);
+ fstrcpy(p->unix_user_name, unix_user_name);
+ fstrcpy(p->domain, domain);
+ fstrcpy(p->wks, wks);
+
+ /*
+ * Store the UNIX credential data (uid/gid pair) in the pipe structure.
+ */
+
+ p->uid = pass->pw_uid;
+ p->gid = pass->pw_gid;
+
+ p->ntlmssp_auth_validated = True;
+ return True;
+}
+
+/*******************************************************************
+ The switch table for the pipe names and the functions to handle them.
+ *******************************************************************/
+
+struct api_cmd
+{
+ char * pipe_clnt_name;
+ char * pipe_srv_name;
+ BOOL (*fn) (pipes_struct *, prs_struct *);
+};
+
+static struct api_cmd api_fd_commands[] =
+{
+ { "lsarpc", "lsass", api_ntlsa_rpc },
+ { "samr", "lsass", api_samr_rpc },
+ { "srvsvc", "ntsvcs", api_srvsvc_rpc },
+ { "wkssvc", "ntsvcs", api_wkssvc_rpc },
+ { "NETLOGON", "lsass", api_netlog_rpc },
+#if DISABLED_IN_2_0
+ { "winreg", "winreg", api_reg_rpc },
+#endif
+ { NULL, NULL, NULL }
+};
+
+/*******************************************************************
+ This is the client reply to our challenge for an authenticated
+ bind request. The challenge we sent is in p->challenge.
+*******************************************************************/
+
+static BOOL api_pipe_bind_auth_resp(pipes_struct *p, prs_struct *pd)
+{
+ RPC_HDR_AUTHA autha_info;
+ RPC_AUTH_VERIFIER auth_verifier;
+ RPC_AUTH_NTLMSSP_RESP ntlmssp_resp;
+
+ DEBUG(5,("api_pipe_bind_auth_resp: decode request. %d\n", __LINE__));
+
+ if (p->hdr.auth_len == 0) {
+ DEBUG(0,("api_pipe_bind_auth_resp: No auth field sent !\n"));
+ return False;
+ }
+
+ /*
+ * Decode the authentication verifier response.
+ */
+
+ if(!smb_io_rpc_hdr_autha("", &autha_info, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_auth_resp: unmarshall of RPC_HDR_AUTHA failed.\n"));
+ return False;
+ }
+
+ if (autha_info.auth_type != NTLMSSP_AUTH_TYPE || autha_info.auth_level != NTLMSSP_AUTH_LEVEL) {
+ DEBUG(0,("api_pipe_bind_auth_resp: incorrect auth type (%d) or level (%d).\n",
+ (int)autha_info.auth_type, (int)autha_info.auth_level ));
+ return False;
+ }
+
+ if(!smb_io_rpc_auth_verifier("", &auth_verifier, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_auth_resp: unmarshall of RPC_AUTH_VERIFIER failed.\n"));
+ return False;
+ }
+
+ /*
+ * Ensure this is a NTLMSSP_AUTH packet type.
+ */
+
+ if (!rpc_auth_verifier_chk(&auth_verifier, "NTLMSSP", NTLMSSP_AUTH)) {
+ DEBUG(0,("api_pipe_bind_auth_resp: rpc_auth_verifier_chk failed.\n"));
+ return False;
+ }
+
+ if(!smb_io_rpc_auth_ntlmssp_resp("", &ntlmssp_resp, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_auth_resp: Failed to unmarshall RPC_AUTH_NTLMSSP_RESP.\n"));
+ return False;
+ }
+
+ /*
+ * The following call actually checks the challenge/response data.
+ * for correctness against the given DOMAIN\user name.
+ */
+
+ if (!api_pipe_ntlmssp_verify(p, &ntlmssp_resp))
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Marshall a bind_nak pdu.
+*******************************************************************/
+
+static BOOL setup_bind_nak(pipes_struct *p, prs_struct *pd)
+{
+ prs_struct outgoing_rpc;
+ RPC_HDR nak_hdr;
+ uint16 zero = 0;
+
+ /*
+ * Marshall directly into the outgoing PDU space. We
+ * must do this as we need to set to the bind response
+ * header and are never sending more than one PDU here.
+ */
+
+ prs_init( &outgoing_rpc, 0, 4, MARSHALL);
+ prs_give_memory( &outgoing_rpc, (char *)p->current_pdu, sizeof(p->current_pdu), False);
+
+
+ /*
+ * Initialize a bind_nak header.
+ */
+
+ init_rpc_hdr(&nak_hdr, RPC_BINDNACK, RPC_FLG_FIRST | RPC_FLG_LAST,
+ p->hdr.call_id, RPC_HEADER_LEN + sizeof(uint16), 0);
+
+ /*
+ * Marshall the header into the outgoing PDU.
+ */
+
+ if(!smb_io_rpc_hdr("", &nak_hdr, &outgoing_rpc, 0)) {
+ DEBUG(0,("setup_bind_nak: marshalling of RPC_HDR failed.\n"));
+ return False;
+ }
+
+ /*
+ * Now add the reject reason.
+ */
+
+ if(!prs_uint16("reject code", &outgoing_rpc, 0, &zero))
+ return False;
+
+ p->data_sent_length = 0;
+ p->current_pdu_len = prs_offset(&outgoing_rpc);
+ p->current_pdu_sent = 0;
+
+ return True;
+}
+
+/*******************************************************************
+ Respond to a pipe bind request.
+*******************************************************************/
+
+static BOOL api_pipe_bind_req(pipes_struct *p, prs_struct *pd)
+{
+ RPC_HDR_BA hdr_ba;
+ RPC_HDR_RB hdr_rb;
+ RPC_HDR_AUTH auth_info;
+ uint16 assoc_gid;
+ fstring ack_pipe_name;
+ prs_struct out_hdr_ba;
+ prs_struct out_auth;
+ prs_struct outgoing_rpc;
+ int i = 0;
+ int auth_len = 0;
+
+ p->ntlmssp_auth_requested = False;
+
+ DEBUG(5,("api_pipe_bind_req: decode request. %d\n", __LINE__));
+
+ /*
+ * Try and find the correct pipe name to ensure
+ * that this is a pipe name we support.
+ */
+
+ for (i = 0; api_fd_commands[i].pipe_clnt_name; i++) {
+ if (strequal(api_fd_commands[i].pipe_clnt_name, p->name) &&
+ api_fd_commands[i].fn != NULL) {
+ DEBUG(3,("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
+ api_fd_commands[i].pipe_clnt_name,
+ api_fd_commands[i].pipe_srv_name));
+ fstrcpy(p->pipe_srv_name, api_fd_commands[i].pipe_srv_name);
+ break;
+ }
+ }
+
+ if (api_fd_commands[i].fn == NULL) {
+ DEBUG(3,("api_pipe_bind_req: Unknown pipe name %s in bind request.\n",
+ p->name ));
+ if(!setup_bind_nak(p, pd))
+ return False;
+ return True;
+ }
+
+ /* decode the bind request */
+ if(!smb_io_rpc_hdr_rb("", &hdr_rb, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_RB struct.\n"));
+ return False;
+ }
+
+ /*
+ * Check if this is an authenticated request.
+ */
+
+ if (p->hdr.auth_len != 0) {
+ RPC_AUTH_VERIFIER auth_verifier;
+ RPC_AUTH_NTLMSSP_NEG ntlmssp_neg;
+
+ /*
+ * Decode the authentication verifier.
+ */
+
+ if(!smb_io_rpc_hdr_auth("", &auth_info, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_AUTH struct.\n"));
+ return False;
+ }
+
+ /*
+ * We only support NTLMSSP_AUTH_TYPE requests.
+ */
+
+ if(auth_info.auth_type != NTLMSSP_AUTH_TYPE) {
+ DEBUG(0,("api_pipe_bind_req: unknown auth type %x requested.\n",
+ auth_info.auth_type ));
+ return False;
+ }
+
+ if(!smb_io_rpc_auth_verifier("", &auth_verifier, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_req: unable to unmarshall RPC_HDR_AUTH struct.\n"));
+ return False;
+ }
+
+ if(!strequal(auth_verifier.signature, "NTLMSSP")) {
+ DEBUG(0,("api_pipe_bind_req: auth_verifier.signature != NTLMSSP\n"));
+ return False;
+ }
+
+ if(auth_verifier.msg_type != NTLMSSP_NEGOTIATE) {
+ DEBUG(0,("api_pipe_bind_req: auth_verifier.msg_type (%d) != NTLMSSP_NEGOTIATE\n",
+ auth_verifier.msg_type));
+ return False;
+ }
+
+ if(!smb_io_rpc_auth_ntlmssp_neg("", &ntlmssp_neg, pd, 0)) {
+ DEBUG(0,("api_pipe_bind_req: Failed to unmarshall RPC_AUTH_NTLMSSP_NEG.\n"));
+ return False;
+ }
+
+ p->ntlmssp_chal_flags = SMBD_NTLMSSP_NEG_FLAGS;
+ p->ntlmssp_auth_requested = True;
+ }
+
+ /* name has to be \PIPE\xxxxx */
+ fstrcpy(ack_pipe_name, "\\PIPE\\");
+ fstrcat(ack_pipe_name, p->pipe_srv_name);
+
+ DEBUG(5,("api_pipe_bind_req: make response. %d\n", __LINE__));
+
+ /*
+ * Marshall directly into the outgoing PDU space. We
+ * must do this as we need to set to the bind response
+ * header and are never sending more than one PDU here.
+ */
+
+ prs_init( &outgoing_rpc, 0, 4, MARSHALL);
+ prs_give_memory( &outgoing_rpc, (char *)p->current_pdu, sizeof(p->current_pdu), False);
+
+ /*
+ * Setup the memory to marshall the ba header, and the
+ * auth footers.
+ */
+
+ if(!prs_init(&out_hdr_ba, 1024, 4, MARSHALL)) {
+ DEBUG(0,("api_pipe_bind_req: malloc out_hdr_ba failed.\n"));
+ return False;
+ }
+
+ if(!prs_init(&out_auth, 1024, 4, MARSHALL)) {
+ DEBUG(0,("pi_pipe_bind_req: malloc out_auth failed.\n"));
+ prs_mem_free(&out_hdr_ba);
+ return False;
+ }
+
+ if (p->ntlmssp_auth_requested)
+ assoc_gid = 0x7a77;
+ else
+ assoc_gid = hdr_rb.bba.assoc_gid;
+
+ /*
+ * Create the bind response struct.
+ */
+
+ init_rpc_hdr_ba(&hdr_ba,
+ hdr_rb.bba.max_tsize,
+ hdr_rb.bba.max_rsize,
+ assoc_gid,
+ ack_pipe_name,
+ 0x1, 0x0, 0x0,
+ &hdr_rb.transfer);
+
+ /*
+ * and marshall it.
+ */
+
+ if(!smb_io_rpc_hdr_ba("", &hdr_ba, &out_hdr_ba, 0)) {
+ DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR_BA failed.\n"));
+ goto err_exit;
+ }
+
+ /*
+ * Now the authentication.
+ */
+
+ if (p->ntlmssp_auth_requested) {
+ RPC_AUTH_VERIFIER auth_verifier;
+ RPC_AUTH_NTLMSSP_CHAL ntlmssp_chal;
+
+ generate_random_buffer(p->challenge, 8, False);
+
+ /*** Authentication info ***/
+
+ init_rpc_hdr_auth(&auth_info, NTLMSSP_AUTH_TYPE, NTLMSSP_AUTH_LEVEL, RPC_HDR_AUTH_LEN, 1);
+ if(!smb_io_rpc_hdr_auth("", &auth_info, &out_auth, 0)) {
+ DEBUG(0,("api_pipe_bind_req: marshalling of RPC_HDR_AUTH failed.\n"));
+ goto err_exit;
+ }
+
+ /*** NTLMSSP verifier ***/
+
+ init_rpc_auth_verifier(&auth_verifier, "NTLMSSP", NTLMSSP_CHALLENGE);
+ if(!smb_io_rpc_auth_verifier("", &auth_verifier, &out_auth, 0)) {
+ DEBUG(0,("api_pipe_bind_req: marshalling of RPC_AUTH_VERIFIER failed.\n"));
+ goto err_exit;
+ }
+
+ /* NTLMSSP challenge ***/
+
+ init_rpc_auth_ntlmssp_chal(&ntlmssp_chal, p->ntlmssp_chal_flags, p->challenge);
+ if(!smb_io_rpc_auth_ntlmssp_chal("", &ntlmssp_chal, &out_auth, 0)) {
+ DEBUG(0,("api_pipe_bind_req: marshalling of RPC_AUTH_NTLMSSP_CHAL failed.\n"));
+ goto err_exit;
+ }
+
+ /* Auth len in the rpc header doesn't include auth_header. */
+ auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
+ }
+
+ /*
+ * Create the header, now we know the length.
+ */
+
+ init_rpc_hdr(&p->hdr, RPC_BINDACK, RPC_FLG_FIRST | RPC_FLG_LAST,
+ p->hdr.call_id,
+ RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
+ auth_len);
+
+ /*
+ * Marshall the header into the outgoing PDU.
+ */
+
+ if(!smb_io_rpc_hdr("", &p->hdr, &outgoing_rpc, 0)) {
+ DEBUG(0,("pi_pipe_bind_req: marshalling of RPC_HDR failed.\n"));
+ goto err_exit;
+ }
+
+ /*
+ * Now add the RPC_HDR_BA and any auth needed.
+ */
+
+ if(!prs_append_prs_data( &outgoing_rpc, &out_hdr_ba)) {
+ DEBUG(0,("api_pipe_bind_req: append of RPC_HDR_BA failed.\n"));
+ goto err_exit;
+ }
+
+ if(p->ntlmssp_auth_requested && !prs_append_prs_data( &outgoing_rpc, &out_auth)) {
+ DEBUG(0,("api_pipe_bind_req: append of auth info failed.\n"));
+ goto err_exit;
+ }
+
+ /*
+ * Setup the lengths for the initial reply.
+ */
+
+ p->data_sent_length = 0;
+ p->current_pdu_len = prs_offset(&outgoing_rpc);
+ p->current_pdu_sent = 0;
+
+ prs_mem_free(&out_hdr_ba);
+ prs_mem_free(&out_auth);
+
+ return True;
+
+ err_exit:
+
+ prs_mem_free(&out_hdr_ba);
+ prs_mem_free(&out_auth);
+ return False;
+}
+
+/****************************************************************************
+ Deal with sign & seal processing on an RPC request.
+****************************************************************************/
+
+static BOOL api_pipe_auth_process(pipes_struct *p, prs_struct *rpc_in)
+{
+ /*
+ * We always negotiate the following two bits....
+ */
+ BOOL auth_verify = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SIGN);
+ BOOL auth_seal = IS_BITS_SET_ALL(p->ntlmssp_chal_flags, NTLMSSP_NEGOTIATE_SEAL);
+ int data_len;
+ int auth_len;
+ uint32 old_offset;
+ uint32 crc32 = 0;
+
+ auth_len = p->hdr.auth_len;
+
+ if ((auth_len != RPC_AUTH_NTLMSSP_CHK_LEN) && auth_verify) {
+ DEBUG(0,("api_pipe_auth_process: Incorrect auth_len %d.\n", auth_len ));
+ return False;
+ }
+
+ /*
+ * The following is that length of the data we must verify or unseal.
+ * This doesn't include the RPC headers or the auth_len or the RPC_HDR_AUTH_LEN
+ * preceeding the auth_data.
+ */
+
+ data_len = p->hdr.frag_len - RPC_HEADER_LEN - RPC_HDR_REQ_LEN -
+ (auth_verify ? RPC_HDR_AUTH_LEN : 0) - auth_len;
+
+ DEBUG(5,("api_pipe_auth_process: sign: %s seal: %s data %d auth %d\n",
+ BOOLSTR(auth_verify), BOOLSTR(auth_seal), data_len, auth_len));
+
+ if (auth_seal) {
+ char *data = prs_data_p(rpc_in) + RPC_HEADER_LEN + RPC_HDR_REQ_LEN;
+ NTLMSSPcalc_p(p, (uchar*)data, data_len);
+ crc32 = crc32_calc_buffer(data, data_len);
+ }
+
+ old_offset = prs_offset(rpc_in);
+
+ if (auth_seal || auth_verify) {
+ RPC_HDR_AUTH auth_info;
+
+ if(!prs_set_offset(rpc_in, old_offset + data_len)) {
+ DEBUG(0,("api_pipe_auth_process: cannot move offset to %u.\n",
+ (unsigned int)old_offset + data_len ));
+ return False;
+ }
+
+ if(!smb_io_rpc_hdr_auth("hdr_auth", &auth_info, rpc_in, 0)) {
+ DEBUG(0,("api_pipe_auth_process: failed to unmarshall RPC_HDR_AUTH.\n"));
+ return False;
+ }
+ }
+
+ if (auth_verify) {
+ RPC_AUTH_NTLMSSP_CHK ntlmssp_chk;
+ char *req_data = prs_data_p(rpc_in) + prs_offset(rpc_in) + 4;
+
+ DEBUG(5,("api_pipe_auth_process: auth %d\n", prs_offset(rpc_in) + 4));
+
+ /*
+ * Ensure we have RPC_AUTH_NTLMSSP_CHK_LEN - 4 more bytes in the
+ * incoming buffer.
+ */
+ if(prs_mem_get(rpc_in, RPC_AUTH_NTLMSSP_CHK_LEN - 4) == NULL) {
+ DEBUG(0,("api_pipe_auth_process: missing %d bytes in buffer.\n",
+ RPC_AUTH_NTLMSSP_CHK_LEN - 4 ));
+ return False;
+ }
+
+ NTLMSSPcalc_p(p, (uchar*)req_data, RPC_AUTH_NTLMSSP_CHK_LEN - 4);
+ if(!smb_io_rpc_auth_ntlmssp_chk("auth_sign", &ntlmssp_chk, rpc_in, 0)) {
+ DEBUG(0,("api_pipe_auth_process: failed to unmarshall RPC_AUTH_NTLMSSP_CHK.\n"));
+ return False;
+ }
+
+ if (!rpc_auth_ntlmssp_chk(&ntlmssp_chk, crc32, p->ntlmssp_seq_num)) {
+ DEBUG(0,("api_pipe_auth_process: NTLMSSP check failed.\n"));
+ return False;
+ }
+ }
+
+ /*
+ * Return the current pointer to the data offset.
+ */
+
+ if(!prs_set_offset(rpc_in, old_offset)) {
+ DEBUG(0,("api_pipe_auth_process: failed to set offset back to %u\n",
+ (unsigned int)old_offset ));
+ return False;
+ }
+
+ return True;
+}
+
+/****************************************************************************
+ Find the correct RPC function to call for this request.
+ If the pipe is authenticated then become the correct UNIX user
+ before doing the call.
+****************************************************************************/
+
+static BOOL api_pipe_request(pipes_struct *p, prs_struct *rpc_in)
+{
+ int i = 0;
+ BOOL ret = False;
+ BOOL changed_user_id = False;
+
+ if (p->ntlmssp_auth_validated) {
+ if (!api_pipe_auth_process(p, rpc_in))
+ return False;
+
+ if(!become_authenticated_pipe_user(p))
+ return False;
+
+ changed_user_id = True;
+ }
+
+ for (i = 0; api_fd_commands[i].pipe_clnt_name; i++) {
+ if (strequal(api_fd_commands[i].pipe_clnt_name, p->name) &&
+ api_fd_commands[i].fn != NULL) {
+ DEBUG(3,("Doing \\PIPE\\%s\n", api_fd_commands[i].pipe_clnt_name));
+ ret = api_fd_commands[i].fn(p, rpc_in);
+ }
+ }
+
+ if(changed_user_id)
+ unbecome_authenticated_pipe_user(p);
+
+ return ret;
+}
+
+/****************************************************************************
+ This function is the entry point to processing a DCE/RPC request.
+ All the data for the request (including RPC headers and authentication
+ verifiers) must be linearized in the input_data buffer, with a length
+ of data_len.
+
+ The output is placed into the pipes_struct, and handed back to the
+ client on demand.
+****************************************************************************/
+
+BOOL rpc_command(pipes_struct *p, char *input_data, int data_len)
+{
+ prs_struct rpc_in;
+ BOOL reply = False;
+
+ if (input_data == NULL)
+ return False;
+
+ prs_init(&rpc_in, 0, 4, UNMARSHALL);
+
+ /*
+ * Hand the data to the prs_struct, but don't let
+ * it own it.
+ */
+ prs_give_memory( &rpc_in, input_data, (uint32)data_len, False);
+
+ /* Unmarshall the rpc header */
+ if(!smb_io_rpc_hdr("", &p->hdr, &rpc_in, 0)) {
+ DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR.\n"));
+ return False;
+ }
+
+ /*
+ * Create the response data buffer.
+ */
+
+ if(!pipe_init_outgoing_data(p)) {
+ DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR.\n"));
+ return False;
+ }
+
+ switch (p->hdr.pkt_type) {
+ case RPC_BIND:
+ reply = api_pipe_bind_req(p, &rpc_in);
+ break;
+ case RPC_REQUEST:
+ if (p->ntlmssp_auth_requested && !p->ntlmssp_auth_validated) {
+ /* authentication _was_ requested
+ and it failed. sorry, no deal!
+ */
+ DEBUG(0,("rpc_command: RPC request received on pipe %s where \
+authentication failed. Denying the request.\n", p->name));
+ reply = False;
+ } else {
+ /* read the RPC request header */
+ if(!smb_io_rpc_hdr_req("req", &p->hdr_req, &rpc_in, 0)) {
+ DEBUG(0,("rpc_command: failed to unmarshall RPC_HDR_REQ.\n"));
+ return False;
+ }
+ reply = api_pipe_request(p, &rpc_in);
+ }
+ break;
+ case RPC_BINDRESP: /* not the real name! */
+ reply = api_pipe_bind_auth_resp(p, &rpc_in);
+ break;
+ }
+
+ if (!reply)
+ DEBUG(3,("rpc_command: DCE/RPC fault should be sent here\n"));
+
+ return reply;
+}
+
+
+/*******************************************************************
+ Calls the underlying RPC function for a named pipe.
+ ********************************************************************/
+
+BOOL api_rpcTNP(pipes_struct *p, char *rpc_name, struct api_struct *api_rpc_cmds,
+ prs_struct *rpc_in)
+{
+ int fn_num;
+
+ /* interpret the command */
+ DEBUG(4,("api_rpcTNP: %s op 0x%x - ", rpc_name, p->hdr_req.opnum));
+
+ for (fn_num = 0; api_rpc_cmds[fn_num].name; fn_num++) {
+ if (api_rpc_cmds[fn_num].opnum == p->hdr_req.opnum && api_rpc_cmds[fn_num].fn != NULL) {
+ DEBUG(3,("api_rpc_command: %s\n", api_rpc_cmds[fn_num].name));
+ break;
+ }
+ }
+
+ if (api_rpc_cmds[fn_num].name == NULL) {
+ DEBUG(4, ("unknown\n"));
+ return False;
+ }
+
+ /* do the actual command */
+ if(!api_rpc_cmds[fn_num].fn(p->vuid, rpc_in, &p->rdata)) {
+ DEBUG(0,("api_rpcTNP: %s: failed.\n", rpc_name));
+ prs_mem_free(&p->rdata);
+ return False;
+ }
+
+ DEBUG(5,("api_rpcTNP: called %s successfully\n", rpc_name));
+
+ return True;
+}
Start the first part of an RPC reply which began with an SMBtrans request.
****************************************************************************/
-static BOOL api_rpc_trans_reply(char *outbuf, pipes_struct *p)
+static BOOL api_rpc_trans_reply(char *outbuf, pipes_struct *p,
+ char *redir_data, int redir_len)
{
- char *rdata = malloc(p->max_trans_reply);
+ char *rdata;
int data_len;
+ if (redir_data != NULL)
+ {
+ send_trans_reply(outbuf, NULL, 0, redir_data, redir_len,
+ redir_len > p->max_trans_reply);
+ return True;
+ }
+
+ rdata = malloc(p->max_trans_reply);
if(rdata == NULL) {
DEBUG(0,("api_rpc_trans_reply: malloc fail.\n"));
return False;
switch (subcommand) {
case 0x26:
- /* dce/rpc command */
- reply = rpc_command(p, data, tdscnt);
+ {
+ char *rdata = NULL;
+ int rlen = mdrcnt;
+
+ if (p->m)
+ {
+ reply = readwrite_pipe(p, data, tdscnt, &rdata, &rlen);
+ }
+ else
+ {
+ /* dce/rpc command */
+ reply = rpc_command(p, data, tdscnt);
+ }
if (reply)
- reply = api_rpc_trans_reply(outbuf, p);
+ reply = api_rpc_trans_reply(outbuf, p, rdata, rlen);
break;
+ }
case 0x53:
/* Wait Named Pipe Handle state */
reply = api_WNPHS(outbuf, p, params, tpscnt);
if (numtowrite == 0)
nwritten = 0;
else
- nwritten = write_to_pipe(p, data, numtowrite);
+ {
+ if (p->m != NULL)
+ {
+ nwritten = write_pipe(p, data, numtowrite);
+ }
+ else
+ {
+ nwritten = write_to_pipe(p, data, numtowrite);
+ }
+ }
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
return (UNIXERROR(ERRDOS,ERRnoaccess));
set_message(outbuf,12,0,True);
data = smb_buf(outbuf);
- nread = read_from_pipe(p, data, smb_maxcnt);
+ if (p->m != NULL)
+ {
+ nread = read_pipe(p, data, smb_maxcnt);
+ }
+ else
+ {
+ nread = read_from_pipe(p, data, smb_maxcnt);
+ }
if (nread < 0)
return(UNIXERROR(ERRDOS,ERRnoaccess));
****************************************************************************/
int main(int argc,char *argv[])
{
+ fstring sam_name;
+
extern BOOL append_log;
/* shall I run as a daemon */
BOOL is_daemon = False;
fstrcpy(global_myworkgroup, lp_workgroup());
- if(!pdb_generate_sam_sid()) {
- DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
- exit(1);
- }
-
CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
/* Setup the signals that allow the debug log level
/* possibly reload the services file. */
reload_services(True);
-
+
+ /* obtain or create a SAM SID */
+ if (lp_domain_logons())
+ {
+ fstrcpy(sam_name, global_myworkgroup);
+ }
+ else
+ {
+ fstrcpy(sam_name, global_myname);
+ }
+
+ if(!pdb_generate_sam_sid(sam_name, NULL))
+ {
+ DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
+ exit(1);
+ }
+
if (*lp_rootdir()) {
if (sys_chroot(lp_rootdir()) == 0)
DEBUG(2,("Changed root to %s\n", lp_rootdir()));
git.samba.org / samba.git / commitdiff