init: Add ueventd.rc parsing to ueventd
Change-Id: Iea53050d6c10e8cabf563e5d80e84eaf78873695
diff --git a/init/ueventd.c b/init/ueventd.c
index 5a2222a..d51ffde 100644
--- a/init/ueventd.c
+++ b/init/ueventd.c
@@ -15,22 +15,40 @@
*/
#include <poll.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <private/android_filesystem_config.h>
#include "ueventd.h"
#include "log.h"
#include "util.h"
#include "devices.h"
+#include "ueventd_parser.h"
+
+static char hardware[32];
+static unsigned revision = 0;
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
+ char tmp[32];
open_devnull_stdio();
log_init();
INFO("starting ueventd\n");
+ get_hardware_name(hardware, &revision);
+
+ ueventd_parse_config_file("/ueventd.rc");
+
+ snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
+ ueventd_parse_config_file(tmp);
+
device_init();
ufd.events = POLLIN;
@@ -45,3 +63,76 @@
handle_device_fd();
}
}
+
+static int get_android_id(const char *id)
+{
+ unsigned int i;
+ for (i = 0; i < ARRAY_SIZE(android_ids); i++)
+ if (!strcmp(id, android_ids[i].name))
+ return android_ids[i].aid;
+ return 0;
+}
+
+void set_device_permission(int nargs, char **args)
+{
+ char *name;
+ mode_t perm;
+ uid_t uid;
+ gid_t gid;
+ int prefix = 0;
+ char *endptr;
+ int ret;
+ char *tmp = 0;
+
+ if (nargs == 0)
+ return;
+
+ if (args[0][0] == '#')
+ return;
+
+ if (nargs != 4) {
+ ERROR("invalid line ueventd.rc line for '%s'\n", args[0]);
+ return;
+ }
+
+ name = args[0];
+ /* If path starts with mtd@ lookup the mount number. */
+ if (!strncmp(name, "mtd@", 4)) {
+ int n = mtd_name_to_number(name + 4);
+ if (n >= 0)
+ asprintf(&tmp, "/dev/mtd/mtd%d", n);
+ name = tmp;
+ } else {
+ int len = strlen(name);
+ if (name[len - 1] == '*') {
+ prefix = 1;
+ name[len - 1] = '\0';
+ }
+ }
+
+ perm = strtol(args[1], &endptr, 8);
+ if (!endptr || *endptr != '\0') {
+ ERROR("invalid mode '%s'\n", args[1]);
+ free(tmp);
+ return;
+ }
+
+ ret = get_android_id(args[2]);
+ if (ret < 0) {
+ ERROR("invalid uid '%s'\n", args[2]);
+ free(tmp);
+ return;
+ }
+ uid = ret;
+
+ ret = get_android_id(args[3]);
+ if (ret < 0) {
+ ERROR("invalid gid '%s'\n", args[3]);
+ free(tmp);
+ return;
+ }
+ gid = ret;
+
+ add_dev_perms(name, perm, uid, gid, prefix);
+ free(tmp);
+}