ueventd: convert to use pwd family of functions
Switch ueventd to use the grp.h and pwd.h family of
functions for converting strings to uids. This removes the
need for using android_filesystem_config.h.
Change-Id: I25a6f536bb11683d5cd69a0d7b348d25a272dd3b
Bug: 27999086
Signed-off-by: William Roberts <william.c.roberts@intel.com>
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index 249739b..73b2136 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -16,14 +16,17 @@
#include <ctype.h>
#include <fcntl.h>
+#include <grp.h>
#include <poll.h>
+#include <pwd.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/types.h>
+
#include <android-base/stringprintf.h>
-#include <private/android_filesystem_config.h>
#include <selinux/selinux.h>
#include "ueventd.h"
@@ -84,15 +87,6 @@
return 0;
}
-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 -1;
-}
-
void set_device_permission(int nargs, char **args)
{
char *name;
@@ -103,7 +97,6 @@
int prefix = 0;
int wildcard = 0;
char *endptr;
- int ret;
char *tmp = 0;
if (nargs == 0)
@@ -151,21 +144,21 @@
return;
}
- ret = get_android_id(args[2]);
- if (ret < 0) {
+ struct passwd* pwd = getpwnam(args[2]);
+ if (!pwd) {
ERROR("invalid uid '%s'\n", args[2]);
free(tmp);
return;
}
- uid = ret;
+ uid = pwd->pw_uid;
- ret = get_android_id(args[3]);
- if (ret < 0) {
+ struct group* grp = getgrnam(args[3]);
+ if (!grp) {
ERROR("invalid gid '%s'\n", args[3]);
free(tmp);
return;
}
- gid = ret;
+ gid = grp->gr_gid;
add_dev_perms(name, attr, perm, uid, gid, prefix, wildcard);
free(tmp);