#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 "get_default_type_internal.h"
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#include <errno.h>
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static int find_default_type(FILE * fp, const char *role, char **type);
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int get_default_type(const char *role, char **type)
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{
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FILE *fp = NULL;
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fp = fopen(selinux_default_type_path(), "re");
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if (!fp)
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return -1;
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if (find_default_type(fp, role, type) < 0) {
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fclose(fp);
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return -1;
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}
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fclose(fp);
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return 0;
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}
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static int find_default_type(FILE * fp, const char *role, char **type)
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{
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char buf[250];
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const char *ptr = "", *end;
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char *t;
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size_t len;
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int found = 0;
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len = strlen(role);
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while (!feof_unlocked(fp)) {
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if (!fgets_unlocked(buf, sizeof buf, fp)) {
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errno = EINVAL;
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return -1;
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}
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if (buf[strlen(buf) - 1])
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buf[strlen(buf) - 1] = 0;
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ptr = buf;
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while (*ptr && isspace(*ptr))
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ptr++;
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if (!(*ptr))
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continue;
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if (!strncmp(role, ptr, len)) {
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end = ptr + len;
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if (*end == ':') {
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found = 1;
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ptr = ++end;
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break;
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}
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}
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}
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if (!found) {
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errno = EINVAL;
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return -1;
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}
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t = malloc(strlen(buf) - len);
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if (!t)
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return -1;
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strcpy(t, ptr);
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*type = t;
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return 0;
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}
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