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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
This file handles the messaging system calls for winpopup style
#include "includes.h"
+#include "system/filesys.h"
+#include "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "smbprofile.h"
extern userdom_struct current_user_info;
-/* look in server.c for some explanation of these variables */
-static char msgbuf[1600];
-static int msgpos;
-static fstring msgfrom;
-static fstring msgto;
+struct msg_state {
+ char *from;
+ char *to;
+ char *msg;
+};
/****************************************************************************
Deliver the message.
****************************************************************************/
-static void msg_deliver(void)
+static void msg_deliver(struct msg_state *state)
{
- pstring name;
+ TALLOC_CTX *frame = talloc_stackframe();
+ char *name = NULL;
int i;
int fd;
char *msg;
- int len;
+ size_t len;
ssize_t sz;
+ fstring alpha_buf;
+ char *s;
+ mode_t mask;
- if (! (*lp_msg_command())) {
+ if (! (*lp_message_command(frame))) {
DEBUG(1,("no messaging command specified\n"));
- msgpos = 0;
- return;
+ goto done;
}
/* put it in a temporary file */
- slprintf(name,sizeof(name)-1, "%s/msg.XXXXXX",tmpdir());
- fd = smb_mkstemp(name);
+ name = talloc_asprintf(talloc_tos(), "%s/msg.XXXXXX", tmpdir());
+ if (!name) {
+ goto done;
+ }
+ mask = umask(S_IRWXO | S_IRWXG);
+ fd = mkstemp(name);
+ umask(mask);
if (fd == -1) {
- DEBUG(1,("can't open message file %s\n",name));
- return;
+ DEBUG(1, ("can't open message file %s: %s\n", name,
+ strerror(errno)));
+ goto done;
}
/*
* Incoming message is in DOS codepage format. Convert to UNIX.
*/
-
- if ((len = (int)convert_string_allocate(NULL,CH_DOS, CH_UNIX, msgbuf, msgpos, (void **)(void *)&msg, True)) < 0 || !msg) {
- DEBUG(3,("Conversion failed, delivering message in DOS codepage format\n"));
- for (i = 0; i < msgpos;) {
- if (msgbuf[i] == '\r' && i < (msgpos-1) && msgbuf[i+1] == '\n') {
- i++;
- continue;
- }
- sz = write(fd, &msgbuf[i++], 1);
- if ( sz != 1 ) {
- DEBUG(0,("Write error to fd %d: %ld(%d)\n",fd, (long)sz, errno ));
- }
+
+ if (!convert_string_talloc(talloc_tos(), CH_DOS, CH_UNIX, state->msg,
+ talloc_get_size(state->msg), (void *)&msg,
+ &len)) {
+ DEBUG(3, ("Conversion failed, delivering message in DOS "
+ "codepage format\n"));
+ msg = state->msg;
+ }
+
+ for (i = 0; i < len; i++) {
+ if ((msg[i] == '\r') &&
+ (i < (len-1)) && (msg[i+1] == '\n')) {
+ continue;
}
- } else {
- for (i = 0; i < len;) {
- if (msg[i] == '\r' && i < (len-1) && msg[i+1] == '\n') {
- i++;
- continue;
- }
- sz = write(fd, &msg[i++],1);
- if ( sz != 1 ) {
- DEBUG(0,("Write error to fd %d: %ld(%d)\n",fd, (long)sz, errno ));
- }
+ sz = write(fd, &msg[i], 1);
+ if ( sz != 1 ) {
+ DEBUG(0, ("Write error to fd %d: %ld(%s)\n", fd,
+ (long)sz, strerror(errno)));
}
- SAFE_FREE(msg);
}
+
close(fd);
/* run the command */
- if (*lp_msg_command()) {
- fstring alpha_msgfrom;
- fstring alpha_msgto;
- pstring s;
+ s = lp_message_command(frame);
+ if (s == NULL) {
+ goto done;
+ }
+
+ alpha_strcpy(alpha_buf, state->from, NULL, sizeof(alpha_buf));
+
+ s = talloc_string_sub(talloc_tos(), s, "%f", alpha_buf);
+ if (s == NULL) {
+ goto done;
+ }
+
+ alpha_strcpy(alpha_buf, state->to, NULL, sizeof(alpha_buf));
- pstrcpy(s,lp_msg_command());
- pstring_sub(s,"%f",alpha_strcpy(alpha_msgfrom,msgfrom,NULL,sizeof(alpha_msgfrom)));
- pstring_sub(s,"%t",alpha_strcpy(alpha_msgto,msgto,NULL,sizeof(alpha_msgto)));
- standard_sub_basic(current_user_info.smb_name,
- current_user_info.domain, s, sizeof(s));
- pstring_sub(s,"%s",name);
- smbrun(s,NULL);
+ s = talloc_string_sub(talloc_tos(), s, "%t", alpha_buf);
+ if (s == NULL) {
+ goto done;
}
- msgpos = 0;
+ s = talloc_sub_basic(talloc_tos(), current_user_info.smb_name,
+ current_user_info.domain, s);
+ if (s == NULL) {
+ goto done;
+ }
+
+ s = talloc_string_sub(talloc_tos(), s, "%s", name);
+ if (s == NULL) {
+ goto done;
+ }
+ smbrun(s, NULL, NULL);
+
+ done:
+ TALLOC_FREE(frame);
+ return;
}
/****************************************************************************
conn POINTER CAN BE NULL HERE !
****************************************************************************/
-int reply_sends(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
+void reply_sends(struct smb_request *req)
{
+ struct msg_state *state;
int len;
- char *msg;
- int outsize = 0;
- char *p;
+ const uint8_t *msg;
+ const uint8_t *p;
START_PROFILE(SMBsends);
- msgpos = 0;
-
- if (! (*lp_msg_command())) {
+ if (!(*lp_message_command(talloc_tos()))) {
+ reply_nterror(req, NT_STATUS_REQUEST_NOT_ACCEPTED);
END_PROFILE(SMBsends);
- return(ERROR_DOS(ERRSRV,ERRmsgoff));
+ return;
}
- outsize = set_message(inbuf,outbuf,0,0,True);
+ state = talloc(talloc_tos(), struct msg_state);
- p = smb_buf(inbuf)+1;
- p += srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), msgfrom, p,
- sizeof(msgfrom), STR_ASCII|STR_TERMINATE) + 1;
- p += srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), msgto, p,
- sizeof(msgto), STR_ASCII|STR_TERMINATE) + 1;
+ p = req->buf + 1;
+ p += srvstr_pull_req_talloc(
+ state, req, &state->from, p, STR_ASCII|STR_TERMINATE) + 1;
+ p += srvstr_pull_req_talloc(
+ state, req, &state->to, p, STR_ASCII|STR_TERMINATE) + 1;
msg = p;
len = SVAL(msg,0);
- len = MIN(len,sizeof(msgbuf)-msgpos);
+ len = MIN(len, smbreq_bufrem(req, msg+2));
- memset(msgbuf,'\0',sizeof(msgbuf));
+ state->msg = talloc_array(state, char, len);
- memcpy(&msgbuf[msgpos],msg+2,len);
- msgpos += len;
+ if (state->msg == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBsends);
+ return;
+ }
- msg_deliver();
+ memcpy(state->msg, msg+2, len);
+
+ msg_deliver(state);
+
+ reply_outbuf(req, 0, 0);
END_PROFILE(SMBsends);
- return(outsize);
+ return;
}
/****************************************************************************
conn POINTER CAN BE NULL HERE !
****************************************************************************/
-int reply_sendstrt(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
+void reply_sendstrt(struct smb_request *req)
{
- int outsize = 0;
- char *p;
+ struct smbXsrv_connection *xconn = req->xconn;
+ const uint8_t *p;
START_PROFILE(SMBsendstrt);
- if (! (*lp_msg_command())) {
+ if (!(*lp_message_command(talloc_tos()))) {
+ reply_nterror(req, NT_STATUS_REQUEST_NOT_ACCEPTED);
END_PROFILE(SMBsendstrt);
- return(ERROR_DOS(ERRSRV,ERRmsgoff));
+ return;
}
- outsize = set_message(inbuf,outbuf,1,0,True);
+ TALLOC_FREE(xconn->smb1.msg_state);
- memset(msgbuf,'\0',sizeof(msgbuf));
- msgpos = 0;
+ xconn->smb1.msg_state = talloc_zero(xconn, struct msg_state);
- p = smb_buf(inbuf)+1;
- p += srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), msgfrom, p,
- sizeof(msgfrom), STR_ASCII|STR_TERMINATE) + 1;
- p += srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), msgto, p,
- sizeof(msgto), STR_ASCII|STR_TERMINATE) + 1;
+ if (xconn->smb1.msg_state == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBsendstrt);
+ return;
+ }
+
+ p = req->buf+1;
+ p += srvstr_pull_req_talloc(
+ xconn->smb1.msg_state, req,
+ &xconn->smb1.msg_state->from, p,
+ STR_ASCII|STR_TERMINATE) + 1;
+ p += srvstr_pull_req_talloc(
+ xconn->smb1.msg_state, req,
+ &xconn->smb1.msg_state->to, p,
+ STR_ASCII|STR_TERMINATE) + 1;
- DEBUG( 3, ( "SMBsendstrt (from %s to %s)\n", msgfrom, msgto ) );
+ DEBUG(3, ("SMBsendstrt (from %s to %s)\n",
+ xconn->smb1.msg_state->from,
+ xconn->smb1.msg_state->to));
+
+ reply_outbuf(req, 0, 0);
END_PROFILE(SMBsendstrt);
- return(outsize);
+ return;
}
/****************************************************************************
conn POINTER CAN BE NULL HERE !
****************************************************************************/
-int reply_sendtxt(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
+void reply_sendtxt(struct smb_request *req)
{
+ struct smbXsrv_connection *xconn = req->xconn;
int len;
- int outsize = 0;
- char *msg;
+ const char *msg;
+ char *tmp;
+ size_t old_len;
+
START_PROFILE(SMBsendtxt);
- if (! (*lp_msg_command())) {
+ if (! (*lp_message_command(talloc_tos()))) {
+ reply_nterror(req, NT_STATUS_REQUEST_NOT_ACCEPTED);
END_PROFILE(SMBsendtxt);
- return(ERROR_DOS(ERRSRV,ERRmsgoff));
+ return;
+ }
+
+ if ((xconn->smb1.msg_state == NULL) || (req->buflen < 3)) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBsendtxt);
+ return;
}
- outsize = set_message(inbuf,outbuf,0,0,True);
+ msg = (const char *)req->buf + 1;
- msg = smb_buf(inbuf) + 1;
+ old_len = talloc_get_size(xconn->smb1.msg_state->msg);
- len = SVAL(msg,0);
- len = MIN(len,sizeof(msgbuf)-msgpos);
+ len = MIN(SVAL(msg, 0), smbreq_bufrem(req, msg+2));
- memcpy(&msgbuf[msgpos],msg+2,len);
- msgpos += len;
+ tmp = talloc_realloc(xconn->smb1.msg_state,
+ xconn->smb1.msg_state->msg,
+ char, old_len + len);
+
+ if (tmp == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBsendtxt);
+ return;
+ }
+
+ xconn->smb1.msg_state->msg = tmp;
+
+ memcpy(&xconn->smb1.msg_state->msg[old_len], msg+2, len);
DEBUG( 3, ( "SMBsendtxt\n" ) );
+ reply_outbuf(req, 0, 0);
+
END_PROFILE(SMBsendtxt);
- return(outsize);
+ return;
}
/****************************************************************************
conn POINTER CAN BE NULL HERE !
****************************************************************************/
-int reply_sendend(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
+void reply_sendend(struct smb_request *req)
{
- int outsize = 0;
+ struct smbXsrv_connection *xconn = req->xconn;
START_PROFILE(SMBsendend);
- if (! (*lp_msg_command())) {
+ if (! (*lp_message_command(talloc_tos()))) {
+ reply_nterror(req, NT_STATUS_REQUEST_NOT_ACCEPTED);
END_PROFILE(SMBsendend);
- return(ERROR_DOS(ERRSRV,ERRmsgoff));
+ return;
}
- outsize = set_message(inbuf,outbuf,0,0,True);
+ if (xconn->smb1.msg_state == NULL) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBsendend);
+ return;
+ }
DEBUG(3,("SMBsendend\n"));
- msg_deliver();
+ msg_deliver(xconn->smb1.msg_state);
+
+ TALLOC_FREE(xconn->smb1.msg_state);
+
+ reply_outbuf(req, 0, 0);
END_PROFILE(SMBsendend);
- return(outsize);
+ return;
}