#include <unistd.h> #include <sys/types.h> #include <fcntl.h> #include <stdlib.h> #include <stdio.h> #include <errno.h> #include <string.h> #include "selinux_internal.h" #include "policy.h" #include <limits.h> #define SELINUX_INITCON_DIR "/initial_contexts/" int security_get_initial_context_raw(const char * name, char ** con) { char path[PATH_MAX]; char *buf; size_t size; int fd, ret; if (!selinux_mnt) { errno = ENOENT; return -1; } snprintf(path, sizeof path, "%s%s%s", selinux_mnt, SELINUX_INITCON_DIR, name); fd = open(path, O_RDONLY); if (fd < 0) return -1; size = selinux_page_size; buf = malloc(size); if (!buf) { ret = -1; goto out; } memset(buf, 0, size); ret = read(fd, buf, size - 1); if (ret < 0) goto out2; *con = strdup(buf); if (!(*con)) { ret = -1; goto out2; } ret = 0; out2: free(buf); out: close(fd); return ret; } hidden_def(security_get_initial_context_raw) int security_get_initial_context(const char * name, char ** con) { int ret; char * rcon; ret = security_get_initial_context_raw(name, &rcon); if (!ret) { ret = selinux_raw_to_trans_context(rcon, con); freecon(rcon); } return ret; } hidden_def(security_get_initial_context)