#include <unistd.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <pwd.h>
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#include <limits.h>
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#include "selinux_internal.h"
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#include "context_internal.h"
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static int get_customizable_type_list(char *** retlist)
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{
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FILE *fp;
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char *buf;
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unsigned int ctr = 0, i;
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char **list = NULL;
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fp = fopen(selinux_customizable_types_path(), "re");
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if (!fp)
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return -1;
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buf = malloc(selinux_page_size);
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if (!buf) {
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fclose(fp);
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return -1;
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}
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while (fgets_unlocked(buf, selinux_page_size, fp) && ctr < UINT_MAX) {
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ctr++;
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}
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rewind(fp);
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if (ctr) {
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list =
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(char **) calloc(sizeof(char *),
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ctr + 1);
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if (list) {
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i = 0;
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while (fgets_unlocked(buf, selinux_page_size, fp)
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&& i < ctr) {
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buf[strlen(buf) - 1] = 0;
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list[i] = (char *) strdup(buf);
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if (!list[i]) {
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unsigned int j;
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for (j = 0; j < i; j++)
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free(list[j]);
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free(list);
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list = NULL;
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break;
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}
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i++;
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}
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}
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}
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fclose(fp);
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free(buf);
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if (!list)
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return -1;
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*retlist = list;
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return 0;
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}
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static char **customizable_list = NULL;
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int is_context_customizable(const char * scontext)
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{
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int i;
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const char *type;
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context_t c;
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if (!customizable_list) {
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if (get_customizable_type_list(&customizable_list) != 0)
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return -1;
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}
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c = context_new(scontext);
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if (!c)
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return -1;
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type = context_type_get(c);
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if (!type) {
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context_free(c);
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return -1;
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}
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for (i = 0; customizable_list[i]; i++) {
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if (strcmp(customizable_list[i], type) == 0) {
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context_free(c);
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return 1;
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}
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}
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context_free(c);
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return 0;
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}
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