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/*
* 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>
#ifndef GLOB_BRACE
#define GLOB_BRACE 0
#endif
#ifndef GLOB_TILDE
#define GLOB_TILDE 0
#endif
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 |
r_opts->mass_relabel;
/* 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;
}
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