diff options
Diffstat (limited to 'crypto/heimdal/appl/afsutil/pagsh.c')
-rw-r--r-- | crypto/heimdal/appl/afsutil/pagsh.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/afsutil/pagsh.c b/crypto/heimdal/appl/afsutil/pagsh.c new file mode 100644 index 0000000..6bddb40 --- /dev/null +++ b/crypto/heimdal/appl/afsutil/pagsh.c @@ -0,0 +1,152 @@ +/* + * 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 1.3 1999/12/02 17:04:55 joda 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); + setenv("KRB5CCNAME", tf, 1); +#endif + +#ifdef KRB4 + snprintf (tf, sizeof(tf), "%s_XXXXXX", TKT_ROOT); + f = mkstemp (tf); + close (f); + unlink (tf); + setenv("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"); +} |