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Revision 99 - (hide annotations) (download) (as text)
Fri May 13 13:30:51 2005 UTC (9 years, 3 months ago) by azarah
Original Path: trunk/sandbox.c
File MIME type: text/x-csrc
File size: 18192 byte(s)
Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
to use TMPDIR if present in environment.

1 ferringb 2 /*
2     ** Path sandbox for the gentoo linux portage package system, initially
3     ** based on the ROCK Linux Wrapper for getting a list of created files
4     **
5     ** to integrate with bash, bash should have been built like this
6     **
7     ** ./configure --prefix=<prefix> --host=<host> --without-gnu-malloc
8     **
9     ** it's very important that the --enable-static-link option is NOT specified
10     **
11     ** Copyright (C) 2001 Geert Bevin, Uwyn, http://www.uwyn.com
12     ** Distributed under the terms of the GNU General Public License, v2 or later
13     ** Author : Geert Bevin <gbevin@uwyn.com>
14     ** $Header$
15     */
16    
17     /* #define _GNU_SOURCE */
18    
19     #include <errno.h>
20     #include <fcntl.h>
21     #include <signal.h>
22     #include <stdio.h>
23     #include <stdlib.h>
24     #include <limits.h>
25     #include <string.h>
26     #include <sys/file.h>
27     #include <sys/stat.h>
28     #include <sys/time.h>
29     #include <sys/types.h>
30     #include <sys/resource.h>
31     #include <sys/wait.h>
32     #include <unistd.h>
33     #include <fcntl.h>
34     #include "sandbox.h"
35    
36 azarah 99 static char tmp_dir[SB_PATH_MAX];
37 ferringb 2
38 azarah 99 static int cleaned_up = 0;
39     static int print_debug = 0;
40     static int stop_called = 0;
41    
42 azarah 30 /* Read pids file, and load active pids into an array. Return number of pids in array */
43     int load_active_pids(int fd, int **pids)
44 ferringb 2 {
45     char *data = NULL;
46     char *ptr = NULL, *ptr2 = NULL;
47     int my_pid;
48     int num_pids = 0;
49     long len;
50    
51     pids[0] = NULL;
52    
53     len = file_length(fd);
54    
55     /* Allocate and zero datablock to read pids file */
56 azarah 30 data = (char *)malloc((len + 1) * sizeof(char));
57 ferringb 2 memset(data, 0, len + 1);
58    
59     /* Start at beginning of file */
60     lseek(fd, 0L, SEEK_SET);
61    
62     /* read entire file into a buffer */
63     read(fd, data, len);
64    
65     ptr = data;
66    
67     /* Loop and read all pids */
68     while (1) {
69     /* Find new line */
70     ptr2 = strchr(ptr, '\n');
71     if (ptr2 == NULL)
72 azarah 30 break; /* No more PIDs */
73 ferringb 2
74     /* Clear the \n. And ptr should have a null-terminated decimal string */
75     ptr2[0] = 0;
76    
77     my_pid = atoi(ptr);
78    
79     /* If the PID is still alive, add it to our array */
80     if ((0 != my_pid) && (0 == kill(my_pid, 0))) {
81 azarah 30 pids[0] = (int *)realloc(pids[0], (num_pids + 1) * sizeof(int));
82 ferringb 2 pids[0][num_pids] = my_pid;
83     num_pids++;
84     }
85    
86     /* Put ptr past the NULL we just wrote */
87     ptr = ptr2 + 1;
88     }
89    
90     if (data)
91     free(data);
92     data = NULL;
93    
94     return num_pids;
95     }
96    
97 azarah 30 void cleanup()
98 ferringb 2 {
99     int i = 0;
100     int success = 1;
101     int pids_file = -1, num_of_pids = 0;
102     int *pids_array = NULL;
103 azarah 93 char pid_string[SB_BUF_LEN];
104 ferringb 2 char *sandbox_pids_file;
105    
106     /* Generate sandbox pids-file path */
107 azarah 99 sandbox_pids_file = get_sandbox_pids_file(tmp_dir);
108 ferringb 2
109     /* Remove this sandbox's bash pid from the global pids
110 azarah 90 * file if we have not already done so */
111     if (0 == cleaned_up) {
112 ferringb 2 cleaned_up = 1;
113     success = 1;
114    
115     if (print_debug)
116     printf("Cleaning up pids file.\n");
117    
118     /* Stat the PIDs file, make sure it exists and is a regular file */
119     if (file_exist(sandbox_pids_file, 1) <= 0) {
120 ferringb 34 fprintf(stderr, ">>> pids file is not a regular file\n");
121 ferringb 2 success = 0;
122     /* We should really not fail if the pidsfile is missing here, but
123     * rather just exit cleanly, as there is still some cleanup to do */
124     return;
125     }
126    
127     pids_file = file_open(sandbox_pids_file, "r+", 1, 0664, "portage");
128     if (-1 == pids_file) {
129     success = 0;
130     /* Nothing more to do here */
131     return;
132     }
133    
134     /* Load "still active" pids into an array */
135     num_of_pids = load_active_pids(pids_file, &pids_array);
136     //printf("pids: %d\r\n", num_of_pids);
137    
138    
139     file_truncate(pids_file);
140    
141     /* if pids are still running, write only the running pids back to the file */
142     if (num_of_pids > 1) {
143     for (i = 0; i < num_of_pids; i++) {
144     if (pids_array[i] != getpid()) {
145     sprintf(pid_string, "%d\n", pids_array[i]);
146    
147 azarah 30 if (write(pids_file, pid_string, strlen(pid_string)) != strlen(pid_string)) {
148 ferringb 2 perror(">>> pids file write");
149     success = 0;
150     break;
151     }
152     }
153     }
154    
155     file_close(pids_file);
156     pids_file = -1;
157     } else {
158    
159     file_close(pids_file);
160     pids_file = -1;
161    
162     /* remove the pidsfile, as this was the last sandbox */
163     unlink(sandbox_pids_file);
164     }
165    
166     if (pids_array != NULL)
167     free(pids_array);
168     pids_array = NULL;
169     }
170    
171     free(sandbox_pids_file);
172     if (0 == success)
173     return;
174     }
175    
176 azarah 88 int print_sandbox_log(char *sandbox_log)
177     {
178     int sandbox_log_file = -1;
179     char *beep_count_env = NULL;
180     int i, color, beep_count = 0;
181     long len = 0;
182     char *buffer = NULL;
183    
184     sandbox_log_file = file_open(sandbox_log, "r", 1, 0664, "portage");
185     if (-1 == sandbox_log_file)
186     return 0;
187    
188     len = file_length(sandbox_log_file);
189     buffer = (char *)malloc((len + 1) * sizeof(char));
190     memset(buffer, 0, len + 1);
191     read(sandbox_log_file, buffer, len);
192     file_close(sandbox_log_file);
193    
194     color = ((getenv("NOCOLOR") != NULL) ? 0 : 1);
195    
196     if (color)
197     printf("\e[31;01m");
198     printf("--------------------------- ACCESS VIOLATION SUMMARY ---------------------------");
199     if (color)
200     printf("\033[0m");
201     if (color)
202     printf("\e[31;01m");
203     printf("\nLOG FILE = \"%s\"", sandbox_log);
204     if (color)
205     printf("\033[0m");
206     printf("\n\n");
207     printf("%s", buffer);
208     if (buffer)
209     free(buffer);
210     buffer = NULL;
211     printf("\e[31;01m--------------------------------------------------------------------------------\033[0m\n");
212    
213     beep_count_env = getenv(ENV_SANDBOX_BEEP);
214     if (beep_count_env)
215     beep_count = atoi(beep_count_env);
216     else
217     beep_count = DEFAULT_BEEP_COUNT;
218    
219     for (i = 0; i < beep_count; i++) {
220     fputc('\a', stderr);
221     if (i < beep_count - 1)
222     sleep(1);
223     }
224     return 1;
225     }
226    
227 azarah 30 void stop(int signum)
228 ferringb 2 {
229     if (stop_called == 0) {
230     stop_called = 1;
231     printf("Caught signal %d in pid %d\r\n", signum, getpid());
232 azarah 30 cleanup();
233 ferringb 2 } else {
234     fprintf(stderr, "Pid %d alreadly caught signal and is still cleaning up\n", getpid());
235     }
236     }
237    
238 azarah 89 void get_sandbox_write_envvar(char *buf, char *home_dir, char *portage_tmp_dir, char *var_tmp_dir, char *tmp_dir)
239 ferringb 2 {
240 azarah 89 /* bzero out entire buffer then append trailing 0 */
241 azarah 93 memset(buf, 0, SB_BUF_LEN);
242 azarah 30
243 azarah 89 /* these could go into make.globals later on */
244     snprintf(buf, SB_BUF_LEN,
245     "%s:%s/.gconfd/lock:%s/.bash_history:%s:%s:%s:%s",
246     "/dev/zero:/dev/fd/:/dev/null:/dev/pts/:"
247     "/dev/vc/:/dev/pty:/dev/tty:"
248     "/dev/shm/ngpt:/var/log/scrollkeeper.log:"
249     "/usr/tmp/conftest:/usr/lib/conftest:"
250     "/usr/lib32/conftest:/usr/lib64/conftest:"
251     "/usr/tmp/cf:/usr/lib/cf:/usr/lib32/cf:/usr/lib64/cf",
252     home_dir, home_dir,
253     (NULL != portage_tmp_dir) ? portage_tmp_dir : tmp_dir,
254     tmp_dir, var_tmp_dir, "/tmp/:/var/tmp/");
255     }
256    
257     void get_sandbox_predict_envvar(char *buf, char *home_dir)
258     {
259 ferringb 2 /* bzero out entire buffer then append trailing 0 */
260 azarah 93 memset(buf, 0, SB_BUF_LEN);
261 ferringb 2
262 azarah 89 /* these should go into make.globals later on */
263     snprintf(buf, SB_BUF_LEN, "%s/.:"
264     "/usr/lib/python2.0/:"
265     "/usr/lib/python2.1/:"
266     "/usr/lib/python2.2/:"
267     "/usr/lib/python2.3/:"
268     "/usr/lib/python2.4/:"
269     "/usr/lib/python2.5/:"
270     "/usr/lib/python3.0/:",
271     home_dir);
272     }
273 ferringb 2
274 azarah 89 int sandbox_setenv(char **env, char *name, char *val) {
275     char **tmp_env = env;
276     char *tmp_string = NULL;
277    
278     while (NULL != *tmp_env)
279     tmp_env++;
280    
281     /* strlen(name) + strlen(val) + '=' + '\0' */
282 azarah 96 /* FIXME: Should probably free this at some stage - more neatness than
283     * a real leak that will cause issues. */
284 azarah 89 tmp_string = calloc(strlen(name) + strlen(val) + 2, sizeof(char *));
285     if (NULL == tmp_string) {
286     perror(">>> out of memory (sandbox_setenv)");
287     exit(1);
288 ferringb 2 }
289 azarah 89
290     snprintf(tmp_string, strlen(name) + strlen(val) + 2, "%s=%s",
291     name, val);
292     *tmp_env = tmp_string;
293    
294     return 0;
295 ferringb 2 }
296    
297 azarah 89 /* We setup the environment child side only to prevent issues with
298     * setting LD_PRELOAD parent side */
299     char **sandbox_setup_environ(char *sandbox_dir, char *sandbox_lib, char *sandbox_rc, char *sandbox_log,
300     char *sandbox_debug_log, char *sandbox_write_envvar, char *sandbox_predict_envvar)
301 ferringb 2 {
302 azarah 89 int env_size = 0;
303    
304     char **new_environ;
305     char **env_ptr = environ;
306     char *ld_preload_envvar = NULL;
307 ferringb 2
308 azarah 89 /* Unset these, as its easier than replacing when setting up our
309     * new environment below */
310     unsetenv(ENV_SANDBOX_DIR);
311     unsetenv(ENV_SANDBOX_LIB);
312     unsetenv(ENV_SANDBOX_BASHRC);
313     unsetenv(ENV_SANDBOX_LOG);
314     unsetenv(ENV_SANDBOX_DEBUG_LOG);
315    
316     if (NULL != getenv("LD_PRELOAD")) {
317 azarah 96 /* FIXME: Should probably free this at some stage - more neatness
318     * than a real leak that will cause issues. */
319 azarah 89 ld_preload_envvar = malloc(strlen(getenv("LD_PRELOAD")) +
320     strlen(sandbox_lib) + 2);
321     if (NULL == ld_preload_envvar)
322     return NULL;
323     strncpy(ld_preload_envvar, sandbox_lib, strlen(sandbox_lib));
324     strncat(ld_preload_envvar, " ", 1);
325     strncat(ld_preload_envvar, getenv("LD_PRELOAD"),
326     strlen(getenv("LD_PRELOAD")));
327     } else {
328 azarah 96 /* FIXME: Should probably free this at some stage - more neatness
329     * than a real leak that will cause issues. */
330 azarah 89 ld_preload_envvar = strndup(sandbox_lib, strlen(sandbox_lib));
331     if (NULL == ld_preload_envvar)
332     return NULL;
333     }
334     unsetenv("LD_PRELOAD");
335 ferringb 2
336 azarah 89 while (NULL != *env_ptr) {
337     env_size++;
338     env_ptr++;
339     }
340 ferringb 2
341 azarah 96 /* FIXME: Should probably free this at some stage - more neatness than
342     * a real leak that will cause issues. */
343 azarah 89 new_environ = calloc((env_size + 15 + 1) * sizeof(char *), sizeof(char *));
344     if (NULL == new_environ)
345     return NULL;
346    
347     /* First add our new variables to the beginning - this is due to some
348     * weirdness that I cannot remember */
349     sandbox_setenv(new_environ, ENV_SANDBOX_DIR, sandbox_dir);
350     sandbox_setenv(new_environ, ENV_SANDBOX_LIB, sandbox_lib);
351     sandbox_setenv(new_environ, ENV_SANDBOX_BASHRC, sandbox_rc);
352     sandbox_setenv(new_environ, ENV_SANDBOX_LOG, sandbox_log);
353     sandbox_setenv(new_environ, ENV_SANDBOX_DEBUG_LOG, sandbox_debug_log);
354     sandbox_setenv(new_environ, "LD_PRELOAD", ld_preload_envvar);
355    
356     if (!getenv(ENV_SANDBOX_DENY))
357     sandbox_setenv(new_environ, ENV_SANDBOX_DENY, LD_PRELOAD_FILE);
358    
359     if (!getenv(ENV_SANDBOX_READ))
360     sandbox_setenv(new_environ, ENV_SANDBOX_READ, "/");
361    
362     if (!getenv(ENV_SANDBOX_WRITE))
363     sandbox_setenv(new_environ, ENV_SANDBOX_WRITE, sandbox_write_envvar);
364    
365     if (!getenv(ENV_SANDBOX_PREDICT))
366     sandbox_setenv(new_environ, ENV_SANDBOX_PREDICT, sandbox_predict_envvar);
367    
368     /* This one should NEVER be set in ebuilds, as it is the one
369     * private thing libsandbox.so use to test if the sandbox
370     * should be active for this pid, or not.
371     *
372     * azarah (3 Aug 2002)
373     */
374    
375     sandbox_setenv(new_environ, "SANDBOX_ACTIVE", "armedandready");
376    
377     env_size = 0;
378     while (NULL != new_environ[env_size])
379     env_size++;
380    
381     /* Now add the rest */
382     env_ptr = environ;
383     while (NULL != *env_ptr) {
384     new_environ[env_size + (env_ptr - environ)] = *env_ptr;
385     env_ptr++;
386 ferringb 2 }
387 azarah 89
388     return new_environ;
389 ferringb 2 }
390    
391 azarah 89 int spawn_shell(char *argv_bash[], char *env[])
392 ferringb 2 {
393     int pid;
394     int status = 0;
395     int ret = 0;
396    
397     pid = fork();
398    
399     /* Child's process */
400     if (0 == pid) {
401 azarah 89 execve(argv_bash[0], argv_bash, env);
402 ferringb 2 return 0;
403     } else if (pid < 0) {
404     return 0;
405     }
406     ret = waitpid(pid, &status, 0);
407     if ((-1 == ret) || (status > 0))
408     return 0;
409 azarah 86
410 ferringb 2 return 1;
411     }
412    
413 azarah 30 int main(int argc, char **argv)
414 ferringb 2 {
415 azarah 35 int ret = 0, i = 0, success = 1;
416 ferringb 2 int sandbox_log_presence = 0;
417     int pids_file = -1;
418     long len;
419    
420     int *pids_array = NULL;
421     int num_of_pids = 0;
422    
423     // char run_arg[255];
424 azarah 89 char **sandbox_environ;
425 azarah 93 char sandbox_log[SB_PATH_MAX];
426     char sandbox_debug_log[SB_PATH_MAX];
427     char sandbox_dir[SB_PATH_MAX];
428     char sandbox_lib[SB_PATH_MAX];
429     char sandbox_rc[SB_PATH_MAX];
430 ferringb 2 char *sandbox_pids_file;
431 azarah 93 char portage_tmp_dir[SB_PATH_MAX];
432     char var_tmp_dir[SB_PATH_MAX];
433     char sandbox_write_envvar[SB_BUF_LEN];
434     char sandbox_predict_envvar[SB_BUF_LEN];
435     char pid_string[SB_BUF_LEN];
436 ferringb 2 char **argv_bash = NULL;
437    
438     char *run_str = "-c";
439     char *home_dir = NULL;
440     char *tmp_string = NULL;
441    
442     /* Only print info if called with no arguments .... */
443     if (argc < 2)
444     print_debug = 1;
445    
446     if (print_debug)
447 azarah 30 printf("========================== Gentoo linux path sandbox ===========================\n");
448 ferringb 2
449     /* check if a sandbox is already running */
450     if (NULL != getenv(ENV_SANDBOX_ON)) {
451 azarah 30 fprintf(stderr, "Not launching a new sandbox instance\n");
452     fprintf(stderr, "Another one is already running in this process hierarchy.\n");
453 ferringb 2 exit(1);
454     } else {
455    
456     /* determine the location of all the sandbox support files */
457     if (print_debug)
458     printf("Detection of the support files.\n");
459    
460 azarah 99 if (NULL == realpath(getenv(ENV_PORTAGE_TMPDIR) ? getenv(ENV_PORTAGE_TMPDIR)
461     : PORTAGE_TMPDIR,
462     portage_tmp_dir)) {
463     perror(">>> get portage_tmp_dir");
464     exit(1);
465     }
466     if (NULL == realpath(VAR_TMPDIR, var_tmp_dir)) {
467     perror(">>> get var_tmp_dir");
468     exit(1);
469     }
470     if (NULL == realpath(getenv(ENV_TMPDIR) ? getenv(ENV_TMPDIR)
471     : TMPDIR,
472     tmp_dir)) {
473     perror(">>> get tmp_dir");
474     exit(1);
475     }
476    
477 ferringb 2 /* Generate base sandbox path */
478 azarah 97 snprintf(sandbox_dir, SB_PATH_MAX, "%s/",
479     get_sandbox_path(argv[0]));
480 ferringb 2
481     /* Generate sandbox lib path */
482 azarah 97 snprintf(sandbox_lib, SB_PATH_MAX, "%s",
483     get_sandbox_lib(sandbox_dir));
484 ferringb 2
485     /* Generate sandbox pids-file path */
486 azarah 99 sandbox_pids_file = get_sandbox_pids_file(tmp_dir);
487 ferringb 2
488     /* Generate sandbox bashrc path */
489 azarah 97 snprintf(sandbox_rc, SB_PATH_MAX, "%s",
490     get_sandbox_rc(sandbox_dir));
491 ferringb 2
492     /* verify the existance of required files */
493     if (print_debug)
494     printf("Verification of the required files.\n");
495    
496     #ifndef SB_HAVE_64BIT_ARCH
497     if (file_exist(sandbox_lib, 0) <= 0) {
498 azarah 30 fprintf(stderr, "Could not open the sandbox library at '%s'.\n", sandbox_lib);
499 ferringb 2 return -1;
500 azarah 30 }
501 ferringb 2 #endif
502     if (file_exist(sandbox_rc, 0) <= 0) {
503 azarah 30 fprintf(stderr, "Could not open the sandbox rc file at '%s'.\n", sandbox_rc);
504 ferringb 2 return -1;
505     }
506    
507     /* set up the required environment variables */
508     if (print_debug)
509     printf("Setting up the required environment variables.\n");
510    
511     home_dir = getenv("HOME");
512     if (!home_dir) {
513     home_dir = "/tmp";
514     setenv("HOME", home_dir, 1);
515     }
516    
517 azarah 99 /* Generate sandbox log full path */
518     snprintf(sandbox_log, SB_PATH_MAX, "%s",
519     get_sandbox_log(tmp_dir));
520 ferringb 2
521 azarah 99 /* Generate sandbox debug log full path */
522     snprintf(sandbox_debug_log, SB_PATH_MAX, "%s",
523     get_sandbox_debug_log(tmp_dir));
524    
525 azarah 91 /* This one should not be child only, as we check above to see
526     * if we are already running (check sandbox_setup_environ).
527     * This needs to be set before calling sandbox_setup_environ(),
528     * else its not set for the child */
529     setenv(ENV_SANDBOX_ON, "1", 0);
530    
531     /* Setup the child environment stuff */
532 azarah 89 get_sandbox_write_envvar(sandbox_write_envvar, home_dir,
533     portage_tmp_dir, var_tmp_dir, tmp_dir);
534     get_sandbox_predict_envvar(sandbox_predict_envvar, home_dir);
535     sandbox_environ = sandbox_setup_environ(sandbox_dir, sandbox_lib,
536     sandbox_rc, sandbox_log, sandbox_debug_log,
537     sandbox_write_envvar, sandbox_predict_envvar);
538     if (NULL == sandbox_environ) {
539     perror(">>> out of memory (environ)");
540     exit(1);
541 azarah 71 }
542 ferringb 2
543     /* if the portage temp dir was present, cd into it */
544     if (NULL != portage_tmp_dir)
545     chdir(portage_tmp_dir);
546    
547 azarah 30 argv_bash = (char **)malloc(6 * sizeof(char *));
548 ferringb 2 argv_bash[0] = strdup("/bin/bash");
549     argv_bash[1] = strdup("-rcfile");
550     argv_bash[2] = strdup(sandbox_rc);
551    
552     if (argc < 2)
553     argv_bash[3] = NULL;
554     else
555     argv_bash[3] = strdup(run_str); /* "-c" */
556    
557 azarah 30 argv_bash[4] = NULL; /* strdup(run_arg); */
558 ferringb 2 argv_bash[5] = NULL;
559    
560     if (argc >= 2) {
561     for (i = 1; i < argc; i++) {
562     if (NULL == argv_bash[4])
563     len = 0;
564     else
565     len = strlen(argv_bash[4]);
566    
567 azarah 89 argv_bash[4] = (char *)realloc(argv_bash[4],
568     (len + strlen(argv[i]) + 2) * sizeof(char));
569 ferringb 2
570     if (0 == len)
571     argv_bash[4][0] = 0;
572     if (1 != i)
573     strcat(argv_bash[4], " ");
574    
575     strcat(argv_bash[4], argv[i]);
576     }
577     }
578    
579     /* set up the required signal handlers */
580     signal(SIGHUP, &stop);
581     signal(SIGINT, &stop);
582     signal(SIGQUIT, &stop);
583     signal(SIGTERM, &stop);
584    
585     /* Load our PID into PIDs file */
586     success = 1;
587     if (file_exist(sandbox_pids_file, 1) < 0) {
588     success = 0;
589     fprintf(stderr, ">>> %s is not a regular file\n", sandbox_pids_file);
590     } else {
591     pids_file = file_open(sandbox_pids_file, "r+", 1, 0664, "portage");
592     if (-1 == pids_file)
593     success = 0;
594     }
595     if (1 == success) {
596     /* Grab still active pids */
597     num_of_pids = load_active_pids(pids_file, &pids_array);
598    
599     /* Zero out file */
600     file_truncate(pids_file);
601    
602     /* Output active pids, and append our pid */
603     for (i = 0; i < num_of_pids + 1; i++) {
604     /* Time for our entry */
605     if (i == num_of_pids)
606     sprintf(pid_string, "%d\n", getpid());
607     else
608     sprintf(pid_string, "%d\n", pids_array[i]);
609    
610 azarah 30 if (write(pids_file, pid_string, strlen(pid_string)) != strlen(pid_string)) {
611 ferringb 2 perror(">>> pids file write");
612     success = 0;
613     break;
614     }
615     }
616     /* Clean pids_array */
617     if (pids_array)
618     free(pids_array);
619     pids_array = NULL;
620     num_of_pids = 0;
621    
622     /* We're done with the pids file */
623     file_close(pids_file);
624     }
625    
626     /* Something went wrong, bail out */
627     if (0 == success) {
628     perror(">>> pids file write");
629     exit(1);
630     }
631    
632     /* STARTING PROTECTED ENVIRONMENT */
633     if (print_debug) {
634     printf("The protected environment has been started.\n");
635 azarah 30 printf("--------------------------------------------------------------------------------\n");
636 ferringb 2 }
637    
638     if (print_debug)
639     printf("Shell being started in forked process.\n");
640    
641     /* Start Bash */
642 azarah 89 if (!spawn_shell(argv_bash, sandbox_environ)) {
643 ferringb 2 if (print_debug)
644     fprintf(stderr, ">>> shell process failed to spawn\n");
645     success = 0;
646     }
647    
648     /* Free bash stuff */
649     for (i = 0; i < 6; i++) {
650     if (argv_bash[i])
651     free(argv_bash[i]);
652     argv_bash[i] = NULL;
653     }
654     if (argv_bash)
655     free(argv_bash);
656     argv_bash = NULL;
657    
658     if (print_debug)
659     printf("Cleaning up sandbox process\n");
660    
661     cleanup();
662    
663     if (print_debug) {
664 azarah 30 printf("========================== Gentoo linux path sandbox ===========================\n");
665 ferringb 2 printf("The protected environment has been shut down.\n");
666     }
667    
668     if (file_exist(sandbox_log, 0)) {
669     sandbox_log_presence = 1;
670     success = 1;
671     if (!print_sandbox_log(sandbox_log))
672     success = 0;
673    
674     #if 0
675     if (!success)
676     exit(1);
677     #endif
678    
679     } else if (print_debug) {
680 azarah 30 printf("--------------------------------------------------------------------------------\n");
681 ferringb 2 }
682    
683 azarah 35 free(sandbox_pids_file);
684    
685 ferringb 2 if ((sandbox_log_presence) || (!success))
686     return 1;
687     else
688     return 0;
689     }
690     }
691    
692 azarah 30 // vim:noexpandtab noai:cindent ai

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