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authorAndrew Tridgell <tridge@samba.org>2004-10-16 11:20:57 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:59:56 -0500
commit645067efc69ff510612f7b63cf262cc9d60df700 (patch)
tree147c637e41ff0ebf6f5e72f8903bd41ce12c8ee5 /source4/lib/smbrun.c
parentaddb2a9fd45ad4df21f22d1b712e37ff0a5affd4 (diff)
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r3004: removed some unused functions
(This used to be commit 247421ee648d1935b68a47195fe1709bb861a7d5)
Diffstat (limited to 'source4/lib/smbrun.c')
-rw-r--r--source4/lib/smbrun.c176
1 files changed, 0 insertions, 176 deletions
diff --git a/source4/lib/smbrun.c b/source4/lib/smbrun.c
deleted file mode 100644
index ab36ec6e40..0000000000
--- a/source4/lib/smbrun.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- run a command as a specified user
- Copyright (C) Andrew Tridgell 1992-1998
-
- 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"
-
-
-#if 1
-int smbrun(char *cmd, int *outfd)
-{
- DEBUG(0,("smbrun() needs a rewrite: struct current_user is gone!\n"));
- return -1;
-}
-#else
-/****************************************************************************
-This is a utility function of smbrun().
-****************************************************************************/
-static int setup_out_fd(void)
-{
- int fd;
- pstring path;
-
- slprintf(path, sizeof(path)-1, "%s/smb.XXXXXX", tmpdir());
-
- /* now create the file */
- fd = smb_mkstemp(path);
-
- if (fd == -1) {
- DEBUG(0,("setup_out_fd: Failed to create file %s. (%s)\n",
- path, strerror(errno) ));
- return -1;
- }
-
- DEBUG(10,("setup_out_fd: Created tmp file %s\n", path ));
-
- /* Ensure file only kept around by open fd. */
- unlink(path);
- return fd;
-}
-
-/****************************************************************************
-run a command being careful about uid/gid handling and putting the output in
-outfd (or discard it if outfd is NULL).
-****************************************************************************/
-
-int smbrun(char *cmd, int *outfd)
-{
- pid_t pid;
- uid_t uid = current_user.uid;
- gid_t gid = current_user.gid;
-
- /*
- * Lose any kernel oplock capabilities we may have.
- */
- oplock_set_capability(False, False);
-
- /* point our stdout at the file we want output to go into */
-
- if (outfd && ((*outfd = setup_out_fd()) == -1)) {
- return -1;
- }
-
- /* in this method we will exec /bin/sh with the correct
- arguments, after first setting stdout to point at the file */
-
- /*
- * We need to temporarily stop CatchChild from eating
- * SIGCLD signals as it also eats the exit status code. JRA.
- */
-
- CatchChildLeaveStatus();
-
- if ((pid=fork()) < 0) {
- DEBUG(0,("smbrun: fork failed with error %s\n", strerror(errno) ));
- CatchChild();
- if (outfd) {
- close(*outfd);
- *outfd = -1;
- }
- return errno;
- }
-
- if (pid) {
- /*
- * Parent.
- */
- int status=0;
- pid_t wpid;
-
-
- /* the parent just waits for the child to exit */
- while((wpid = sys_waitpid(pid,&status,0)) < 0) {
- if(errno == EINTR) {
- errno = 0;
- continue;
- }
- break;
- }
-
- CatchChild();
-
- if (wpid != pid) {
- DEBUG(2,("waitpid(%d) : %s\n",(int)pid,strerror(errno)));
- if (outfd) {
- close(*outfd);
- *outfd = -1;
- }
- return -1;
- }
-
- /* Reset the seek pointer. */
- if (outfd) {
- sys_lseek(*outfd, 0, SEEK_SET);
- }
-
-#if defined(WIFEXITED) && defined(WEXITSTATUS)
- if (WIFEXITED(status)) {
- return WEXITSTATUS(status);
- }
-#endif
-
- return status;
- }
-
- CatchChild();
-
- /* we are in the child. we exec /bin/sh to do the work for us. we
- don't directly exec the command we want because it may be a
- pipeline or anything else the config file specifies */
-
- /* point our stdout at the file we want output to go into */
- if (outfd) {
- close(1);
- if (sys_dup2(*outfd,1) != 1) {
- DEBUG(2,("Failed to create stdout file descriptor\n"));
- close(*outfd);
- exit(80);
- }
- }
-
- /* now completely lose our privileges. This is a fairly paranoid
- way of doing it, but it does work on all systems that I know of */
-
- become_user_permanently(uid, gid);
-
- if (getuid() != uid || geteuid() != uid ||
- getgid() != gid || getegid() != gid) {
- /* we failed to lose our privileges - do not execute
- the command */
- exit(81); /* we can't print stuff at this stage,
- instead use exit codes for debugging */
- }
-
- execl("/bin/sh","sh","-c",cmd,NULL);
-
- /* not reached */
- exit(82);
- return 1;
-}
-#endif