153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
RCSID("$Id: pagsh.c,v 1.4 2000/10/02 05:05:53 assar Exp $");
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#include <time.h>
|
|
#ifdef HAVE_FCNTL_H
|
|
#include <fcntl.h>
|
|
#endif
|
|
#ifdef HAVE_PWD_H
|
|
#include <pwd.h>
|
|
#endif
|
|
|
|
#ifdef KRB5
|
|
#include <krb5.h>
|
|
#endif
|
|
#ifdef KRB4
|
|
#include <krb.h>
|
|
#endif
|
|
#include <kafs.h>
|
|
|
|
#include <err.h>
|
|
#include <roken.h>
|
|
|
|
/*
|
|
* Run command with a new ticket file / credentials cache / token
|
|
*/
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int f;
|
|
char tf[1024];
|
|
char *p;
|
|
|
|
char *path;
|
|
char **args;
|
|
int i;
|
|
|
|
#ifdef KRB5
|
|
snprintf (tf, sizeof(tf), "%sXXXXXX", KRB5_DEFAULT_CCROOT);
|
|
f = mkstemp (tf + 5);
|
|
close (f);
|
|
unlink (tf + 5);
|
|
esetenv("KRB5CCNAME", tf, 1);
|
|
#endif
|
|
|
|
#ifdef KRB4
|
|
snprintf (tf, sizeof(tf), "%s_XXXXXX", TKT_ROOT);
|
|
f = mkstemp (tf);
|
|
close (f);
|
|
unlink (tf);
|
|
esetenv("KRBTKFILE", tf, 1);
|
|
#endif
|
|
|
|
i = 0;
|
|
|
|
args = (char **) malloc((argc + 10)*sizeof(char *));
|
|
if (args == NULL)
|
|
errx (1, "Out of memory allocating %lu bytes",
|
|
(unsigned long)((argc + 10)*sizeof(char *)));
|
|
|
|
argv++;
|
|
|
|
if(*argv == NULL) {
|
|
path = getenv("SHELL");
|
|
if(path == NULL){
|
|
struct passwd *pw = k_getpwuid(geteuid());
|
|
path = strdup(pw->pw_shell);
|
|
}
|
|
} else {
|
|
if(strcmp(*argv, "-c") == 0) argv++;
|
|
path = strdup(*argv++);
|
|
}
|
|
if (path == NULL)
|
|
errx (1, "Out of memory copying path");
|
|
|
|
p=strrchr(path, '/');
|
|
if(p)
|
|
args[i] = strdup(p+1);
|
|
else
|
|
args[i] = strdup(path);
|
|
|
|
if (args[i++] == NULL)
|
|
errx (1, "Out of memory copying arguments");
|
|
|
|
while(*argv)
|
|
args[i++] = *argv++;
|
|
|
|
args[i++] = NULL;
|
|
|
|
if(k_hasafs())
|
|
k_setpag();
|
|
|
|
unsetenv("PAGPID");
|
|
execvp(path, args);
|
|
if (errno == ENOENT) {
|
|
char **sh_args = malloc ((i + 2) * sizeof(char *));
|
|
int j;
|
|
|
|
if (sh_args == NULL)
|
|
errx (1, "Out of memory copying sh arguments");
|
|
for (j = 1; j < i; ++j)
|
|
sh_args[j + 2] = args[j];
|
|
sh_args[0] = "sh";
|
|
sh_args[1] = "-c";
|
|
sh_args[2] = path;
|
|
execv ("/bin/sh", sh_args);
|
|
}
|
|
err (1, "execvp");
|
|
}
|