+++ /dev/null
-/*
- * smbmnt.c
- *
- * Copyright (C) 1995-1998 by Paal-Kr. Engstad and Volker Lendecke
- * extensively modified by Tridge
- *
- */
-
-#include "includes.h"
-
-#include <mntent.h>
-#include <sys/utsname.h>
-
-#include <asm/types.h>
-#include <asm/posix_types.h>
-#include <linux/smb.h>
-#include <linux/smb_mount.h>
-#include <asm/unistd.h>
-
-#ifndef MS_MGC_VAL
-/* This may look strange but MS_MGC_VAL is what we are looking for and
- is what we need from <linux/fs.h> under libc systems and is
- provided in standard includes on glibc systems. So... We
- switch on what we need... */
-#include <linux/fs.h>
-#endif
-
-static uid_t mount_uid;
-static gid_t mount_gid;
-static int mount_ro;
-static uint_t mount_fmask;
-static uint_t mount_dmask;
-static int user_mount;
-static char *options;
-
-static void
-help(void)
-{
- printf("\n");
- printf("Usage: smbmnt mount-point [options]\n");
- printf("Version %s\n\n",VERSION);
- printf("-s share share name on server\n"
- "-r mount read-only\n"
- "-u uid mount as uid\n"
- "-g gid mount as gid\n"
- "-f mask permission mask for files\n"
- "-d mask permission mask for directories\n"
- "-o options name=value, list of options\n"
- "-h print this help text\n");
-}
-
-static int
-parse_args(int argc, char *argv[], struct smb_mount_data *data, char **share)
-{
- int opt;
-
- while ((opt = getopt (argc, argv, "s:u:g:rf:d:o:")) != EOF)
- {
- switch (opt)
- {
- case 's':
- *share = optarg;
- break;
- case 'u':
- if (!user_mount) {
- mount_uid = strtol(optarg, NULL, 0);
- }
- break;
- case 'g':
- if (!user_mount) {
- mount_gid = strtol(optarg, NULL, 0);
- }
- break;
- case 'r':
- mount_ro = 1;
- break;
- case 'f':
- mount_fmask = strtol(optarg, NULL, 8);
- break;
- case 'd':
- mount_dmask = strtol(optarg, NULL, 8);
- break;
- case 'o':
- options = optarg;
- break;
- default:
- return -1;
- }
- }
- return 0;
-
-}
-
-static char *
-fullpath(const char *p)
-{
- char path[MAXPATHLEN];
-
- if (strlen(p) > MAXPATHLEN-1) {
- return NULL;
- }
-
- if (realpath(p, path) == NULL) {
- fprintf(stderr,"Failed to find real path for mount point\n");
- exit(1);
- }
- return strdup(path);
-}
-
-/* Check whether user is allowed to mount on the specified mount point. If it's
- OK then we change into that directory - this prevents race conditions */
-static int mount_ok(char *mount_point)
-{
- struct stat st;
-
- if (chdir(mount_point) != 0) {
- return -1;
- }
-
- if (stat(".", &st) != 0) {
- return -1;
- }
-
- if (!S_ISDIR(st.st_mode)) {
- errno = ENOTDIR;
- return -1;
- }
-
- if ((getuid() != 0) &&
- ((getuid() != st.st_uid) ||
- ((st.st_mode & S_IRWXU) != S_IRWXU))) {
- errno = EPERM;
- return -1;
- }
-
- return 0;
-}
-
-/* Tries to mount using the appropriate format. For 2.2 the struct,
- for 2.4 the ascii version. */
-static int
-do_mount(char *share_name, uint_t flags, struct smb_mount_data *data)
-{
- pstring opts;
- struct utsname uts;
- char *release, *major, *minor;
- char *data1, *data2;
-
- uname(&uts);
- release = uts.release;
- major = strtok(release, ".");
- minor = strtok(NULL, ".");
- if (major && minor && atoi(major) == 2 && atoi(minor) < 4) {
- /* < 2.4, assume struct */
- data1 = (char *) data;
- data2 = opts;
- } else {
- /* >= 2.4, assume ascii but fall back on struct */
- data1 = opts;
- data2 = (char *) data;
- }
-
- slprintf(opts, sizeof(opts)-1,
- "version=7,uid=%d,gid=%d,file_mode=0%o,dir_mode=0%o,%s",
- data->uid, data->gid, data->file_mode, data->dir_mode,options);
- if (mount(share_name, ".", "smbfs", flags, data1) == 0)
- return 0;
- return mount(share_name, ".", "smbfs", flags, data2);
-}
-
- int main(int argc, char *argv[])
-{
- char *mount_point, *share_name = NULL;
- FILE *mtab;
- int fd;
- uint_t flags;
- struct smb_mount_data data;
- struct mntent ment;
-
- memset(&data, 0, sizeof(struct smb_mount_data));
-
- if (argc < 2) {
- help();
- exit(1);
- }
-
- if (argv[1][0] == '-') {
- help();
- exit(1);
- }
-
- if (getuid() != 0) {
- user_mount = 1;
- }
-
- if (geteuid() != 0) {
- fprintf(stderr, "smbmnt must be installed suid root for direct user mounts (%d,%d)\n", getuid(), geteuid());
- exit(1);
- }
-
- mount_uid = getuid();
- mount_gid = getgid();
- mount_fmask = umask(0);
- umask(mount_fmask);
- mount_fmask = ~mount_fmask;
-
- mount_point = fullpath(argv[1]);
-
- argv += 1;
- argc -= 1;
-
- if (mount_ok(mount_point) != 0) {
- fprintf(stderr, "cannot mount on %s: %s\n",
- mount_point, strerror(errno));
- exit(1);
- }
-
- data.version = SMB_MOUNT_VERSION;
-
- /* getuid() gives us the real uid, who may umount the fs */
- data.mounted_uid = getuid();
-
- if (parse_args(argc, argv, &data, &share_name) != 0) {
- help();
- return -1;
- }
-
- data.uid = mount_uid;
- data.gid = mount_gid;
- data.file_mode = (S_IRWXU|S_IRWXG|S_IRWXO) & mount_fmask;
- data.dir_mode = (S_IRWXU|S_IRWXG|S_IRWXO) & mount_dmask;
-
- if (mount_dmask == 0) {
- data.dir_mode = data.file_mode;
- if ((data.dir_mode & S_IRUSR) != 0)
- data.dir_mode |= S_IXUSR;
- if ((data.dir_mode & S_IRGRP) != 0)
- data.dir_mode |= S_IXGRP;
- if ((data.dir_mode & S_IROTH) != 0)
- data.dir_mode |= S_IXOTH;
- }
-
- flags = MS_MGC_VAL;
-
- if (mount_ro) flags |= MS_RDONLY;
-
- if (do_mount(share_name, flags, &data) < 0) {
- switch (errno) {
- case ENODEV:
- fprintf(stderr, "ERROR: smbfs filesystem not supported by the kernel\n");
- break;
- default:
- perror("mount error");
- }
- fprintf(stderr, "Please refer to the smbmnt(8) manual page\n");
- return -1;
- }
-
- ment.mnt_fsname = share_name ? share_name : "none";
- ment.mnt_dir = mount_point;
- ment.mnt_type = "smbfs";
- ment.mnt_opts = "";
- ment.mnt_freq = 0;
- ment.mnt_passno= 0;
-
- mount_point = ment.mnt_dir;
-
- if (mount_point == NULL)
- {
- fprintf(stderr, "Mount point too long\n");
- return -1;
- }
-
- if ((fd = open(MOUNTED"~", O_RDWR|O_CREAT|O_EXCL, 0600)) == -1)
- {
- fprintf(stderr, "Can't get "MOUNTED"~ lock file");
- return 1;
- }
- close(fd);
-
- if ((mtab = setmntent(MOUNTED, "a+")) == NULL)
- {
- fprintf(stderr, "Can't open " MOUNTED);
- return 1;
- }
-
- if (addmntent(mtab, &ment) == 1)
- {
- fprintf(stderr, "Can't write mount entry");
- return 1;
- }
- if (fchmod(fileno(mtab), 0644) == -1)
- {
- fprintf(stderr, "Can't set perms on "MOUNTED);
- return 1;
- }
- endmntent(mtab);
-
- if (unlink(MOUNTED"~") == -1)
- {
- fprintf(stderr, "Can't remove "MOUNTED"~");
- return 1;
- }
-
- return 0;
-}
+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
- SMBFS mount program
- Copyright (C) Andrew Tridgell 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "system/passwd.h"
-
-#include <mntent.h>
-#include <asm/types.h>
-#include <linux/smb_fs.h>
-
-#define pstrcpy(d,s) safe_strcpy((d),(s),sizeof(pstring)-1)
-#define pstrcat(d,s) safe_strcat((d),(s),sizeof(pstring)-1)
-
-static pstring credentials;
-static pstring my_netbios_name;
-static pstring password;
-static pstring username;
-static pstring workgroup;
-static pstring mpoint;
-static pstring service;
-static pstring options;
-
-static struct in_addr dest_ip;
-static bool have_ip;
-static int smb_port = 0;
-static bool got_user;
-static bool got_pass;
-static uid_t mount_uid;
-static gid_t mount_gid;
-static int mount_ro;
-static uint_t mount_fmask;
-static uint_t mount_dmask;
-static bool use_kerberos;
-/* TODO: Add code to detect smbfs version in kernel */
-static bool status32_smbfs = false;
-
-static void usage(void);
-
-static void exit_parent(int sig)
-{
- /* parent simply exits when child says go... */
- exit(0);
-}
-
-static void daemonize(void)
-{
- int j, status;
- pid_t child_pid;
-
- signal( SIGTERM, exit_parent );
-
- if ((child_pid = sys_fork()) < 0) {
- DEBUG(0,("could not fork\n"));
- }
-
- if (child_pid > 0) {
- while( 1 ) {
- j = waitpid( child_pid, &status, 0 );
- if( j < 0 ) {
- if( EINTR == errno ) {
- continue;
- }
- status = errno;
- }
- break;
- }
-
- /* If we get here - the child exited with some error status */
- if (WIFSIGNALED(status))
- exit(128 + WTERMSIG(status));
- else
- exit(WEXITSTATUS(status));
- }
-
- signal( SIGTERM, SIG_DFL );
- chdir("/");
-}
-
-static void close_our_files(int client_fd)
-{
- int i;
- struct rlimit limits;
-
- getrlimit(RLIMIT_NOFILE,&limits);
- for (i = 0; i< limits.rlim_max; i++) {
- if (i == client_fd)
- continue;
- close(i);
- }
-}
-
-static void usr1_handler(int x)
-{
- return;
-}
-
-
-/*****************************************************
-return a connection to a server
-*******************************************************/
-static struct smbcli_state *do_connection(const char *the_service, bool unicode, int maxprotocol,
- struct smbcli_session_options session_options)
-{
- struct smbcli_state *c;
- struct nmb_name called, calling;
- char *server_n;
- struct in_addr ip;
- pstring server;
- char *share;
-
- if (the_service[0] != '\\' || the_service[1] != '\\') {
- usage();
- exit(1);
- }
-
- pstrcpy(server, the_service+2);
- share = strchr_m(server,'\\');
- if (!share) {
- usage();
- exit(1);
- }
- *share = 0;
- share++;
-
- server_n = server;
-
- make_nmb_name(&calling, my_netbios_name, 0x0);
- choose_called_name(&called, server, 0x20);
-
- again:
- zero_ip(&ip);
- if (have_ip) ip = dest_ip;
-
- /* have to open a new connection */
- if (!(c=smbcli_initialise(NULL)) || (smbcli_set_port(c, smb_port) != smb_port) ||
- !smbcli_connect(c, server_n, &ip)) {
- DEBUG(0,("%d: Connection to %s failed\n", sys_getpid(), server_n));
- if (c) {
- talloc_free(c);
- }
- return NULL;
- }
-
- /* SPNEGO doesn't work till we get NTSTATUS error support */
- /* But it is REQUIRED for kerberos authentication */
- if(!use_kerberos) c->use_spnego = false;
-
- /* The kernel doesn't yet know how to sign it's packets */
- c->sign_info.allow_smb_signing = false;
-
- /* Use kerberos authentication if specified */
- c->use_kerberos = use_kerberos;
-
- if (!smbcli_session_request(c, &calling, &called)) {
- char *p;
- DEBUG(0,("%d: session request to %s failed (%s)\n",
- sys_getpid(), called.name, smbcli_errstr(c)));
- talloc_free(c);
- if ((p=strchr_m(called.name, '.'))) {
- *p = 0;
- goto again;
- }
- if (strcmp(called.name, "*SMBSERVER")) {
- make_nmb_name(&called , "*SMBSERVER", 0x20);
- goto again;
- }
- return NULL;
- }
-
- DEBUG(4,("%d: session request ok\n", sys_getpid()));
-
- if (!smbcli_negprot(c, unicode, maxprotocol)) {
- DEBUG(0,("%d: protocol negotiation failed\n", sys_getpid()));
- talloc_free(c);
- return NULL;
- }
-
- if (!got_pass) {
- char *pass = getpass("Password: ");
- if (pass) {
- pstrcpy(password, pass);
- }
- }
-
- /* This should be right for current smbfs. Future versions will support
- large files as well as unicode and oplocks. */
- if (status32_smbfs) {
- c->capabilities &= ~(CAP_UNICODE | CAP_LARGE_FILES | CAP_NT_SMBS |
- CAP_NT_FIND | CAP_LEVEL_II_OPLOCKS);
- }
- else {
- c->capabilities &= ~(CAP_UNICODE | CAP_LARGE_FILES | CAP_NT_SMBS |
- CAP_NT_FIND | CAP_STATUS32 |
- CAP_LEVEL_II_OPLOCKS);
- c->force_dos_errors = true;
- }
-
- if (!smbcli_session_setup(c, username,
- password, strlen(password),
- password, strlen(password),
- workgroup, session_options)) {
- /* if a password was not supplied then try again with a
- null username */
- if (password[0] || !username[0] ||
- !smbcli_session_setup(c, "", "", 0, "", 0, workgroup,
- session_options)) {
- DEBUG(0,("%d: session setup failed: %s\n",
- sys_getpid(), smbcli_errstr(c)));
- talloc_free(c);
- return NULL;
- }
- DEBUG(0,("Anonymous login successful\n"));
- }
-
- DEBUG(4,("%d: session setup ok\n", sys_getpid()));
-
- if (!smbcli_tconX(c, share, "?????", password, strlen(password)+1)) {
- DEBUG(0,("%d: tree connect failed: %s\n",
- sys_getpid(), smbcli_errstr(c)));
- talloc_free(c);
- return NULL;
- }
-
- DEBUG(4,("%d: tconx ok\n", sys_getpid()));
-
- got_pass = true;
-
- return c;
-}
-
-
-/****************************************************************************
-unmount smbfs (this is a bailout routine to clean up if a reconnect fails)
- Code blatently stolen from smbumount.c
- -mhw-
-****************************************************************************/
-static void smb_umount(const char *mount_point)
-{
- int fd;
- struct mntent *mnt;
- FILE* mtab;
- FILE* new_mtab;
-
- /* Programmers Note:
- This routine only gets called to the scene of a disaster
- to shoot the survivors... A connection that was working
- has now apparently failed. We have an active mount point
- (presumably) that we need to dump. If we get errors along
- the way - make some noise, but we are already turning out
- the lights to exit anyways...
- */
- if (umount(mount_point) != 0) {
- DEBUG(0,("%d: Could not umount %s: %s\n",
- sys_getpid(), mount_point, strerror(errno)));
- return;
- }
-
- if ((fd = open(MOUNTED"~", O_RDWR|O_CREAT|O_EXCL, 0600)) == -1) {
- DEBUG(0,("%d: Can't get "MOUNTED"~ lock file", sys_getpid()));
- return;
- }
-
- close(fd);
-
- if ((mtab = setmntent(MOUNTED, "r")) == NULL) {
- DEBUG(0,("%d: Can't open " MOUNTED ": %s\n",
- sys_getpid(), strerror(errno)));
- return;
- }
-
-#define MOUNTED_TMP MOUNTED".tmp"
-
- if ((new_mtab = setmntent(MOUNTED_TMP, "w")) == NULL) {
- DEBUG(0,("%d: Can't open " MOUNTED_TMP ": %s\n",
- sys_getpid(), strerror(errno)));
- endmntent(mtab);
- return;
- }
-
- while ((mnt = getmntent(mtab)) != NULL) {
- if (strcmp(mnt->mnt_dir, mount_point) != 0) {
- addmntent(new_mtab, mnt);
- }
- }
-
- endmntent(mtab);
-
- if (fchmod (fileno (new_mtab), S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) < 0) {
- DEBUG(0,("%d: Error changing mode of %s: %s\n",
- sys_getpid(), MOUNTED_TMP, strerror(errno)));
- return;
- }
-
- endmntent(new_mtab);
-
- if (rename(MOUNTED_TMP, MOUNTED) < 0) {
- DEBUG(0,("%d: Cannot rename %s to %s: %s\n",
- sys_getpid(), MOUNTED, MOUNTED_TMP, strerror(errno)));
- return;
- }
-
- if (unlink(MOUNTED"~") == -1) {
- DEBUG(0,("%d: Can't remove "MOUNTED"~", sys_getpid()));
- return;
- }
-}
-
-
-/*
- * Call the smbfs ioctl to install a connection socket,
- * then wait for a signal to reconnect. Note that we do
- * not exit after open_sockets() or send_login() errors,
- * as the smbfs mount would then have no way to recover.
- */
-static void send_fs_socket(struct loadparm_context *lp_ctx,
- const char *the_service, const char *mount_point, struct smbcli_state *c)
-{
- int fd, closed = 0, res = 1;
- pid_t parentpid = getppid();
- struct smb_conn_opt conn_options;
- struct smbcli_session_options session_options;
-
- lp_smbcli_session_options(lp_ctx, &session_options);
-
- memset(&conn_options, 0, sizeof(conn_options));
-
- while (1) {
- if ((fd = open(mount_point, O_RDONLY)) < 0) {
- DEBUG(0,("mount.smbfs[%d]: can't open %s\n",
- sys_getpid(), mount_point));
- break;
- }
-
- conn_options.fd = c->fd;
- conn_options.protocol = c->protocol;
- conn_options.case_handling = SMB_CASE_DEFAULT;
- conn_options.max_xmit = c->max_xmit;
- conn_options.server_uid = c->vuid;
- conn_options.tid = c->cnum;
- conn_options.secmode = c->sec_mode;
- conn_options.rawmode = 0;
- conn_options.sesskey = c->sesskey;
- conn_options.maxraw = 0;
- conn_options.capabilities = c->capabilities;
- conn_options.serverzone = c->serverzone/60;
-
- res = ioctl(fd, SMB_IOC_NEWCONN, &conn_options);
- if (res != 0) {
- DEBUG(0,("mount.smbfs[%d]: ioctl failed, res=%d\n",
- sys_getpid(), res));
- close(fd);
- break;
- }
-
- if (parentpid) {
- /* Ok... We are going to kill the parent. Now
- is the time to break the process group... */
- setsid();
- /* Send a signal to the parent to terminate */
- kill(parentpid, SIGTERM);
- parentpid = 0;
- }
-
- close(fd);
-
- /* This looks wierd but we are only closing the userspace
- side, the connection has already been passed to smbfs and
- it has increased the usage count on the socket.
-
- If we don't do this we will "leak" sockets and memory on
- each reconnection we have to make. */
- talloc_free(c);
- c = NULL;
-
- if (!closed) {
- /* redirect stdout & stderr since we can't know that
- the library functions we use are using DEBUG. */
- if ( (fd = open("/dev/null", O_WRONLY)) < 0)
- DEBUG(2,("mount.smbfs: can't open /dev/null\n"));
- close_our_files(fd);
- if (fd >= 0) {
- dup2(fd, STDOUT_FILENO);
- dup2(fd, STDERR_FILENO);
- close(fd);
- }
-
- /* here we are no longer interactive */
- set_remote_machine_name("smbmount"); /* sneaky ... */
- setup_logging("mount.smbfs", DEBUG_STDERR);
- reopen_logs();
- DEBUG(0, ("mount.smbfs: entering daemon mode for service %s, pid=%d\n", the_service, sys_getpid()));
-
- closed = 1;
- }
-
- /* Wait for a signal from smbfs ... but don't continue
- until we actually get a new connection. */
- while (!c) {
- CatchSignal(SIGUSR1, &usr1_handler);
- pause();
- DEBUG(2,("mount.smbfs[%d]: got signal, getting new socket\n", sys_getpid()));
- c = do_connection(the_service,
- lp_unicode(lp_ctx),
- lp_cli_maxprotocol(lp_ctx),
- session_options);
- }
- }
-
- smb_umount(mount_point);
- DEBUG(2,("mount.smbfs[%d]: exit\n", sys_getpid()));
- exit(1);
-}
-
-
-/**
- * Mount a smbfs
- **/
-static void init_mount(struct loadparm_context *lp_ctx)
-{
- char mount_point[MAXPATHLEN+1];
- pstring tmp;
- pstring svc2;
- struct smbcli_state *c;
- char *args[20];
- int i, status;
- struct smbcli_session_options session_options;
-
- if (realpath(mpoint, mount_point) == NULL) {
- fprintf(stderr, "Could not resolve mount point %s\n", mpoint);
- return;
- }
-
- lp_smbcli_session_options(lp_ctx, &session_options);
-
- c = do_connection(service, lp_unicode(lp_ctx), lp_cli_maxprotocol(lp_ctx),
- session_options);
- if (!c) {
- fprintf(stderr,"SMB connection failed\n");
- exit(1);
- }
-
- /*
- Set up to return as a daemon child and wait in the parent
- until the child say it's ready...
- */
- daemonize();
-
- pstrcpy(svc2, service);
- string_replace(svc2, '\\','/');
- string_replace(svc2, ' ','_');
-
- memset(args, 0, sizeof(args[0])*20);
-
- i=0;
- args[i++] = "smbmnt";
-
- args[i++] = mount_point;
- args[i++] = "-s";
- args[i++] = svc2;
-
- if (mount_ro) {
- args[i++] = "-r";
- }
- if (mount_uid) {
- slprintf(tmp, sizeof(tmp)-1, "%d", mount_uid);
- args[i++] = "-u";
- args[i++] = smb_xstrdup(tmp);
- }
- if (mount_gid) {
- slprintf(tmp, sizeof(tmp)-1, "%d", mount_gid);
- args[i++] = "-g";
- args[i++] = smb_xstrdup(tmp);
- }
- if (mount_fmask) {
- slprintf(tmp, sizeof(tmp)-1, "0%o", mount_fmask);
- args[i++] = "-f";
- args[i++] = smb_xstrdup(tmp);
- }
- if (mount_dmask) {
- slprintf(tmp, sizeof(tmp)-1, "0%o", mount_dmask);
- args[i++] = "-d";
- args[i++] = smb_xstrdup(tmp);
- }
- if (options) {
- args[i++] = "-o";
- args[i++] = options;
- }
-
- if (sys_fork() == 0) {
- char *smbmnt_path;
-
- asprintf(&smbmnt_path, "%s/smbmnt", dyn_BINDIR);
-
- if (file_exist(smbmnt_path)) {
- execv(smbmnt_path, args);
- fprintf(stderr,
- "smbfs/init_mount: execv of %s failed. Error was %s.",
- smbmnt_path, strerror(errno));
- } else {
- execvp("smbmnt", args);
- fprintf(stderr,
- "smbfs/init_mount: execv of %s failed. Error was %s.",
- "smbmnt", strerror(errno));
- }
- free(smbmnt_path);
- exit(1);
- }
-
- if (waitpid(-1, &status, 0) == -1) {
- fprintf(stderr,"waitpid failed: Error was %s", strerror(errno) );
- /* FIXME: do some proper error handling */
- exit(1);
- }
-
- if (WIFEXITED(status) && WEXITSTATUS(status) != 0) {
- fprintf(stderr,"smbmnt failed: %d\n", WEXITSTATUS(status));
- /* FIXME: do some proper error handling */
- exit(1);
- } else if (WIFSIGNALED(status)) {
- fprintf(stderr, "smbmnt killed by signal %d\n", WTERMSIG(status));
- exit(1);
- }
-
- /* Ok... This is the rubicon for that mount point... At any point
- after this, if the connections fail and can not be reconstructed
- for any reason, we will have to unmount the mount point. There
- is no exit from the next call...
- */
- send_fs_socket(lp_ctx, service, mount_point, c);
-}
-
-
-/****************************************************************************
-get a password from a a file or file descriptor
-exit on failure (from smbclient, move to libsmb or shared .c file?)
-****************************************************************************/
-static void get_password_file(void)
-{
- int fd = -1;
- char *p;
- bool close_it = false;
- pstring spec;
- char pass[128];
-
- if ((p = getenv("PASSWD_FD")) != NULL) {
- pstrcpy(spec, "descriptor ");
- pstrcat(spec, p);
- sscanf(p, "%d", &fd);
- close_it = false;
- } else if ((p = getenv("PASSWD_FILE")) != NULL) {
- fd = open(p, O_RDONLY, 0);
- pstrcpy(spec, p);
- if (fd < 0) {
- fprintf(stderr, "Error opening PASSWD_FILE %s: %s\n",
- spec, strerror(errno));
- exit(1);
- }
- close_it = true;
- }
-
- for(p = pass, *p = '\0'; /* ensure that pass is null-terminated */
- p && p - pass < sizeof(pass);) {
- switch (read(fd, p, 1)) {
- case 1:
- if (*p != '\n' && *p != '\0') {
- *++p = '\0'; /* advance p, and null-terminate pass */
- break;
- }
- case 0:
- if (p - pass) {
- *p = '\0'; /* null-terminate it, just in case... */
- p = NULL; /* then force the loop condition to become false */
- break;
- } else {
- fprintf(stderr, "Error reading password from file %s: %s\n",
- spec, "empty password\n");
- exit(1);
- }
-
- default:
- fprintf(stderr, "Error reading password from file %s: %s\n",
- spec, strerror(errno));
- exit(1);
- }
- }
- pstrcpy(password, pass);
- if (close_it)
- close(fd);
-}
-
-/****************************************************************************
-get username and password from a credentials file
-exit on failure (from smbclient, move to libsmb or shared .c file?)
-****************************************************************************/
-static void read_credentials_file(char *filename)
-{
- FILE *auth;
- fstring buf;
- uint16_t len = 0;
- char *ptr, *val, *param;
-
- if ((auth=sys_fopen(filename, "r")) == NULL)
- {
- /* fail if we can't open the credentials file */
- DEBUG(0,("ERROR: Unable to open credentials file!\n"));
- exit (-1);
- }
-
- while (!feof(auth))
- {
- /* get a line from the file */
- if (!fgets (buf, sizeof(buf), auth))
- continue;
- len = strlen(buf);
-
- if ((len) && (buf[len-1]=='\n'))
- {
- buf[len-1] = '\0';
- len--;
- }
- if (len == 0)
- continue;
-
- /* break up the line into parameter & value.
- will need to eat a little whitespace possibly */
- param = buf;
- if (!(ptr = strchr (buf, '=')))
- continue;
- val = ptr+1;
- *ptr = '\0';
-
- /* eat leading white space */
- while ((*val!='\0') && ((*val==' ') || (*val=='\t')))
- val++;
-
- if (strwicmp("password", param) == 0)
- {
- pstrcpy(password, val);
- got_pass = true;
- }
- else if (strwicmp("username", param) == 0) {
- pstrcpy(username, val);
- }
-
- memset(buf, 0, sizeof(buf));
- }
- fclose(auth);
-}
-
-
-/****************************************************************************
-usage on the program
-****************************************************************************/
-static void usage(void)
-{
- printf("Usage: mount.smbfs service mountpoint [-o options,...]\n");
-
- printf("Version %s\n\n",VERSION);
-
- printf(
-"Options:\n\
- username=<arg> SMB username\n\
- password=<arg> SMB password\n\
- credentials=<filename> file with username/password\n\
- krb use kerberos (active directory)\n\
- netbiosname=<arg> source NetBIOS name\n\
- uid=<arg> mount uid or username\n\
- gid=<arg> mount gid or groupname\n\
- port=<arg> remote SMB port number\n\
- fmask=<arg> file umask\n\
- dmask=<arg> directory umask\n\
- debug=<arg> debug level\n\
- ip=<arg> destination host or IP address\n\
- workgroup=<arg> workgroup on destination\n\
- sockopt=<arg> TCP socket options\n\
- scope=<arg> NetBIOS scope\n\
- iocharset=<arg> Linux charset (iso8859-1, utf8)\n\
- codepage=<arg> server codepage (cp850)\n\
- ttl=<arg> dircache time to live\n\
- guest don't prompt for a password\n\
- ro mount read-only\n\
- rw mount read-write\n\
-\n\
-This command is designed to be run from within /bin/mount by giving\n\
-the option '-t smbfs'. For example:\n\
- mount -t smbfs -o username=tridge,password=foobar //fjall/test /data/test\n\
-");
-}
-
-
-/****************************************************************************
- Argument parsing for mount.smbfs interface
- mount will call us like this:
- mount.smbfs device mountpoint -o <options>
-
- <options> is never empty, containing at least rw or ro
- ****************************************************************************/
-static void parse_mount_smb(int argc, char **argv)
-{
- int opt;
- char *opts;
- char *opteq;
- extern char *optarg;
- int val;
- char *p;
-
- /* FIXME: This function can silently fail if the arguments are
- * not in the expected order.
-
- > The arguments syntax of smbmount 2.2.3a (smbfs of Debian stable)
- > requires that one gives "-o" before further options like username=...
- > . Without -o, the username=.. setting is *silently* ignored. I've
- > spent about an hour trying to find out why I couldn't log in now..
-
- */
-
-
- if (argc < 2 || argv[1][0] == '-') {
- usage();
- exit(1);
- }
-
- pstrcpy(service, argv[1]);
- pstrcpy(mpoint, argv[2]);
-
- /* Convert any '/' characters in the service name to
- '\' characters */
- string_replace(service, '/','\\');
- argc -= 2;
- argv += 2;
-
- opt = getopt(argc, argv, "o:");
- if(opt != 'o') {
- return;
- }
-
- options[0] = 0;
- p = options;
-
- /*
- * option parsing from nfsmount.c (util-linux-2.9u)
- */
- for (opts = strtok(optarg, ","); opts; opts = strtok(NULL, ",")) {
- DEBUG(3, ("opts: %s\n", opts));
- if ((opteq = strchr_m(opts, '='))) {
- val = atoi(opteq + 1);
- *opteq = '\0';
-
- if (!strcmp(opts, "username") ||
- !strcmp(opts, "logon")) {
- char *lp;
- got_user = true;
- pstrcpy(username,opteq+1);
- if ((lp=strchr_m(username,'%'))) {
- *lp = 0;
- pstrcpy(password,lp+1);
- got_pass = true;
- memset(strchr_m(opteq+1,'%')+1,'X',strlen(password));
- }
- if ((lp=strchr_m(username,'/'))) {
- *lp = 0;
- pstrcpy(workgroup,lp+1);
- }
- } else if(!strcmp(opts, "passwd") ||
- !strcmp(opts, "password")) {
- pstrcpy(password,opteq+1);
- got_pass = true;
- memset(opteq+1,'X',strlen(password));
- } else if(!strcmp(opts, "credentials")) {
- pstrcpy(credentials,opteq+1);
- } else if(!strcmp(opts, "netbiosname")) {
- pstrcpy(my_netbios_name,opteq+1);
- } else if(!strcmp(opts, "uid")) {
- mount_uid = nametouid(opteq+1);
- } else if(!strcmp(opts, "gid")) {
- mount_gid = nametogid(opteq+1);
- } else if(!strcmp(opts, "port")) {
- smb_port = val;
- } else if(!strcmp(opts, "fmask")) {
- mount_fmask = strtol(opteq+1, NULL, 8);
- } else if(!strcmp(opts, "dmask")) {
- mount_dmask = strtol(opteq+1, NULL, 8);
- } else if(!strcmp(opts, "debug")) {
- DEBUGLEVEL = val;
- } else if(!strcmp(opts, "ip")) {
- dest_ip = interpret_addr2(opteq+1);
- if (is_zero_ip_v4(dest_ip)) {
- fprintf(stderr,"Can't resolve address %s\n", opteq+1);
- exit(1);
- }
- have_ip = true;
- } else if(!strcmp(opts, "workgroup")) {
- pstrcpy(workgroup,opteq+1);
- } else if(!strcmp(opts, "sockopt")) {
- lp_set_cmdline("socket options", opteq+1);
- } else if(!strcmp(opts, "scope")) {
- lp_set_cmdline("netbios scope", opteq+1);
- } else {
- slprintf(p, sizeof(pstring) - (p - options) - 1, "%s=%s,", opts, opteq+1);
- p += strlen(p);
- }
- } else {
- val = 1;
- if(!strcmp(opts, "nocaps")) {
- fprintf(stderr, "Unhandled option: %s\n", opteq+1);
- exit(1);
- } else if(!strcmp(opts, "guest")) {
- *password = '\0';
- got_pass = true;
- } else if(!strcmp(opts, "krb")) {
-#ifdef HAVE_KRB5
-
- use_kerberos = true;
- if(!status32_smbfs)
- fprintf(stderr, "Warning: kerberos support will only work for samba servers\n");
-#else
- fprintf(stderr,"No kerberos support compiled in\n");
- exit(1);
-#endif
- } else if(!strcmp(opts, "rw")) {
- mount_ro = 0;
- } else if(!strcmp(opts, "ro")) {
- mount_ro = 1;
- } else {
- strncpy(p, opts, sizeof(pstring) - (p - options) - 1);
- p += strlen(opts);
- *p++ = ',';
- *p = 0;
- }
- }
- }
-
- if (!*service) {
- usage();
- exit(1);
- }
-
- if (p != options) {
- *(p-1) = 0; /* remove trailing , */
- DEBUG(3,("passthrough options '%s'\n", options));
- }
-}
-
-/****************************************************************************
- main program
-****************************************************************************/
- int main(int argc,char *argv[])
-{
- extern char *optarg;
- extern int optind;
- char *p;
- struct loadparm_context *lp_ctx;
-
- DEBUGLEVEL = 1;
-
- /* here we are interactive, even if run from autofs */
- setup_logging("mount.smbfs",DEBUG_STDERR);
-
-#if 0 /* JRA - Urban says not needed ? */
- /* CLI_FORCE_ASCII=false makes smbmount negotiate unicode. The default
- is to not announce any unicode capabilities as current smbfs does
- not support it. */
- p = getenv("CLI_FORCE_ASCII");
- if (p && !strcmp(p, "false"))
- unsetenv("CLI_FORCE_ASCII");
- else
- setenv("CLI_FORCE_ASCII", "true", 1);
-#endif
-
- if (getenv("USER")) {
- pstrcpy(username,getenv("USER"));
-
- if ((p=strchr_m(username,'%'))) {
- *p = 0;
- pstrcpy(password,p+1);
- got_pass = true;
- memset(strchr_m(getenv("USER"),'%')+1,'X',strlen(password));
- }
- strupper(username);
- }
-
- if (getenv("PASSWD")) {
- pstrcpy(password, getenv("PASSWD"));
- got_pass = true;
- }
-
- if (getenv("PASSWD_FD") || getenv("PASSWD_FILE")) {
- get_password_file();
- got_pass = true;
- }
-
- if (*username == 0 && getenv("LOGNAME")) {
- pstrcpy(username,getenv("LOGNAME"));
- }
-
- lp_ctx = loadparm_init(talloc_autofree_context());
-
- if (!lp_load(lp_ctx, dyn_CONFIGFILE)) {
- fprintf(stderr, "Can't load %s - run testparm to debug it\n",
- lp_config_file());
- }
-
- parse_mount_smb(argc, argv);
-
- if (use_kerberos && !got_user) {
- got_pass = true;
- }
-
- if (*credentials != 0) {
- read_credentials_file(credentials);
- }
-
- DEBUG(3,("mount.smbfs started (version %s)\n", VERSION));
-
- if (*workgroup == 0) {
- pstrcpy(workgroup, lp_workgroup());
- }
-
- if (!*my_netbios_name) {
- pstrcpy(my_netbios_name, myhostname());
- }
- strupper(my_netbios_name);
-
- init_mount(lp_ctx);
- return 0;
-}
git.samba.org / samba.git / commitdiff