mirror of
https://github.com/SELinuxProject/selinux
synced 2024-12-09 15:45:08 +00:00
4480129412
Now that restorecond is separated from policycoreutils, we should not retain a build dependency on the policycoreutils/setfiles source files. Fork the restore.[ch] files for restorecond. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
130 lines
3.0 KiB
C
130 lines
3.0 KiB
C
/*
|
|
* Note that the restorecond(8) service build links with these functions.
|
|
* Therefore any changes here should also be tested against that utility.
|
|
*/
|
|
|
|
#include "restore.h"
|
|
#include <glob.h>
|
|
|
|
char **exclude_list;
|
|
int exclude_count;
|
|
|
|
struct restore_opts *r_opts;
|
|
|
|
void restore_init(struct restore_opts *opts)
|
|
{
|
|
int rc;
|
|
|
|
r_opts = opts;
|
|
struct selinux_opt selinux_opts[] = {
|
|
{ SELABEL_OPT_VALIDATE, r_opts->selabel_opt_validate },
|
|
{ SELABEL_OPT_PATH, r_opts->selabel_opt_path },
|
|
{ SELABEL_OPT_DIGEST, r_opts->selabel_opt_digest }
|
|
};
|
|
|
|
r_opts->hnd = selabel_open(SELABEL_CTX_FILE, selinux_opts, 3);
|
|
if (!r_opts->hnd) {
|
|
perror(r_opts->selabel_opt_path);
|
|
exit(1);
|
|
}
|
|
|
|
r_opts->restorecon_flags = 0;
|
|
r_opts->restorecon_flags = r_opts->nochange | r_opts->verbose |
|
|
r_opts->progress | r_opts->set_specctx |
|
|
r_opts->add_assoc | r_opts->ignore_digest |
|
|
r_opts->recurse | r_opts->userealpath |
|
|
r_opts->xdev | r_opts->abort_on_error |
|
|
r_opts->syslog_changes | r_opts->log_matches |
|
|
r_opts->ignore_noent | r_opts->ignore_mounts;
|
|
|
|
/* Use setfiles, restorecon and restorecond own handles */
|
|
selinux_restorecon_set_sehandle(r_opts->hnd);
|
|
|
|
if (r_opts->rootpath) {
|
|
rc = selinux_restorecon_set_alt_rootpath(r_opts->rootpath);
|
|
if (rc) {
|
|
fprintf(stderr,
|
|
"selinux_restorecon_set_alt_rootpath error: %s.\n",
|
|
strerror(errno));
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
if (exclude_list)
|
|
selinux_restorecon_set_exclude_list
|
|
((const char **)exclude_list);
|
|
}
|
|
|
|
void restore_finish(void)
|
|
{
|
|
int i;
|
|
|
|
if (exclude_list) {
|
|
for (i = 0; exclude_list[i]; i++)
|
|
free(exclude_list[i]);
|
|
free(exclude_list);
|
|
}
|
|
}
|
|
|
|
int process_glob(char *name, struct restore_opts *opts)
|
|
{
|
|
glob_t globbuf;
|
|
size_t i = 0;
|
|
int len, rc, errors;
|
|
|
|
r_opts = opts;
|
|
memset(&globbuf, 0, sizeof(globbuf));
|
|
|
|
errors = glob(name, GLOB_TILDE | GLOB_PERIOD |
|
|
GLOB_NOCHECK | GLOB_BRACE, NULL, &globbuf);
|
|
if (errors)
|
|
return errors;
|
|
|
|
for (i = 0; i < globbuf.gl_pathc; i++) {
|
|
len = strlen(globbuf.gl_pathv[i]) - 2;
|
|
if (len > 0 && strcmp(&globbuf.gl_pathv[i][len--], "/.") == 0)
|
|
continue;
|
|
if (len > 0 && strcmp(&globbuf.gl_pathv[i][len], "/..") == 0)
|
|
continue;
|
|
rc = selinux_restorecon(globbuf.gl_pathv[i],
|
|
r_opts->restorecon_flags);
|
|
if (rc < 0)
|
|
errors = rc;
|
|
}
|
|
|
|
globfree(&globbuf);
|
|
|
|
return errors;
|
|
}
|
|
|
|
void add_exclude(const char *directory)
|
|
{
|
|
char **tmp_list;
|
|
|
|
if (directory == NULL || directory[0] != '/') {
|
|
fprintf(stderr, "Full path required for exclude: %s.\n",
|
|
directory);
|
|
exit(-1);
|
|
}
|
|
|
|
/* Add another two entries, one for directory, and the other to
|
|
* terminate the list.
|
|
*/
|
|
tmp_list = realloc(exclude_list, sizeof(char *) * (exclude_count + 2));
|
|
if (!tmp_list) {
|
|
fprintf(stderr, "realloc failed while excluding %s.\n",
|
|
directory);
|
|
exit(-1);
|
|
}
|
|
exclude_list = tmp_list;
|
|
|
|
exclude_list[exclude_count] = strdup(directory);
|
|
if (!exclude_list[exclude_count]) {
|
|
fprintf(stderr, "strdup failed while excluding %s.\n",
|
|
directory);
|
|
exit(-1);
|
|
}
|
|
exclude_count++;
|
|
exclude_list[exclude_count] = NULL;
|
|
}
|