init: Add ueventd.rc parsing to ueventd
Change-Id: Iea53050d6c10e8cabf563e5d80e84eaf78873695
diff --git a/init/devices.c b/init/devices.c
index 3e1c524..fa96f7c 100644
--- a/init/devices.c
+++ b/init/devices.c
@@ -37,10 +37,8 @@
#include "log.h"
#include "list.h"
-#define CMDLINE_PREFIX "/dev"
#define SYSFS_PREFIX "/sys"
#define FIRMWARE_DIR "/etc/firmware"
-#define MAX_QEMU_PERM 6
static int device_fd = -1;
@@ -87,102 +85,21 @@
unsigned int gid;
unsigned short prefix;
};
-static struct perms_ devperms[] = {
- { "/dev/null", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/zero", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/full", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/ptmx", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/tty", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/random", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/urandom", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/ashmem", 0666, AID_ROOT, AID_ROOT, 0 },
- { "/dev/binder", 0666, AID_ROOT, AID_ROOT, 0 },
- /* logger should be world writable (for logging) but not readable */
- { "/dev/log/", 0662, AID_ROOT, AID_LOG, 1 },
-
- /* the msm hw3d client device node is world writable/readable. */
- { "/dev/msm_hw3dc", 0666, AID_ROOT, AID_ROOT, 0 },
-
- /* gpu driver for adreno200 is globally accessible */
- { "/dev/kgsl", 0666, AID_ROOT, AID_ROOT, 0 },
-
- /* these should not be world writable */
- { "/dev/diag", 0660, AID_RADIO, AID_RADIO, 0 },
- { "/dev/diag_arm9", 0660, AID_RADIO, AID_RADIO, 0 },
- { "/dev/android_adb", 0660, AID_ADB, AID_ADB, 0 },
- { "/dev/android_adb_enable", 0660, AID_ADB, AID_ADB, 0 },
- { "/dev/ttyMSM0", 0600, AID_BLUETOOTH, AID_BLUETOOTH, 0 },
- { "/dev/ttyHS0", 0600, AID_BLUETOOTH, AID_BLUETOOTH, 0 },
- { "/dev/uinput", 0660, AID_SYSTEM, AID_BLUETOOTH, 0 },
- { "/dev/alarm", 0664, AID_SYSTEM, AID_RADIO, 0 },
- { "/dev/tty0", 0660, AID_ROOT, AID_SYSTEM, 0 },
- { "/dev/graphics/", 0660, AID_ROOT, AID_GRAPHICS, 1 },
- { "/dev/msm_hw3dm", 0660, AID_SYSTEM, AID_GRAPHICS, 0 },
- { "/dev/input/", 0660, AID_ROOT, AID_INPUT, 1 },
- { "/dev/eac", 0660, AID_ROOT, AID_AUDIO, 0 },
- { "/dev/cam", 0660, AID_ROOT, AID_CAMERA, 0 },
- { "/dev/pmem", 0660, AID_SYSTEM, AID_GRAPHICS, 0 },
- { "/dev/pmem_adsp", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/pmem_camera", 0660, AID_SYSTEM, AID_CAMERA, 1 },
- { "/dev/oncrpc/", 0660, AID_ROOT, AID_SYSTEM, 1 },
- { "/dev/adsp/", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/snd/", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/mt9t013", 0660, AID_SYSTEM, AID_SYSTEM, 0 },
- { "/dev/msm_camera/", 0660, AID_SYSTEM, AID_SYSTEM, 1 },
- { "/dev/akm8976_daemon",0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/akm8976_aot", 0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/akm8973_daemon",0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/akm8973_aot", 0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/bma150", 0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/cm3602", 0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/akm8976_pffd", 0640, AID_COMPASS, AID_SYSTEM, 0 },
- { "/dev/lightsensor", 0640, AID_SYSTEM, AID_SYSTEM, 0 },
- { "/dev/msm_pcm_out", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/msm_pcm_in", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/msm_pcm_ctl", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/msm_snd", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/msm_mp3", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/audience_a1026", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/tpa2018d1", 0660, AID_SYSTEM, AID_AUDIO, 1 },
- { "/dev/msm_audpre", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/msm_audio_ctl", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/htc-acoustic", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/vdec", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/q6venc", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/snd/dsp", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/snd/dsp1", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/snd/mixer", 0660, AID_SYSTEM, AID_AUDIO, 0 },
- { "/dev/smd0", 0640, AID_RADIO, AID_RADIO, 0 },
- { "/dev/qemu_trace", 0666, AID_SYSTEM, AID_SYSTEM, 0 },
- { "/dev/qmi", 0640, AID_RADIO, AID_RADIO, 0 },
- { "/dev/qmi0", 0640, AID_RADIO, AID_RADIO, 0 },
- { "/dev/qmi1", 0640, AID_RADIO, AID_RADIO, 0 },
- { "/dev/qmi2", 0640, AID_RADIO, AID_RADIO, 0 },
- /* CDMA radio interface MUX */
- { "/dev/ts0710mux", 0640, AID_RADIO, AID_RADIO, 1 },
- { "/dev/ppp", 0660, AID_RADIO, AID_VPN, 0 },
- { "/dev/tun", 0640, AID_VPN, AID_VPN, 0 },
- { NULL, 0, 0, 0, 0 },
-};
-
-/* devperms_partners list and perm_node are for hardware specific /dev entries */
struct perm_node {
struct perms_ dp;
struct listnode plist;
};
-list_declare(devperms_partners);
+static list_declare(dev_perms);
/*
* Permission override when in emulator mode, must be parsed before
* system properties is initalized.
*/
-static int qemu_perm_count;
-static struct perms_ qemu_perms[MAX_QEMU_PERM + 1];
-
-int add_devperms_partners(const char *name, mode_t perm, unsigned int uid,
- unsigned int gid, unsigned short prefix) {
+int add_dev_perms(const char *name, mode_t perm, unsigned int uid,
+ unsigned int gid, unsigned short prefix) {
int size;
+ char *tmp = 0;
struct perm_node *node = malloc(sizeof (struct perm_node));
if (!node)
return -ENOMEM;
@@ -197,51 +114,10 @@
node->dp.gid = gid;
node->dp.prefix = prefix;
- list_add_tail(&devperms_partners, &node->plist);
+ list_add_tail(&dev_perms, &node->plist);
return 0;
}
-void qemu_init(void) {
- qemu_perm_count = 0;
- memset(&qemu_perms, 0, sizeof(qemu_perms));
-}
-
-static int qemu_perm(const char* name, mode_t perm, unsigned int uid,
- unsigned int gid, unsigned short prefix)
-{
- char *buf;
- if (qemu_perm_count == MAX_QEMU_PERM)
- return -ENOSPC;
-
- buf = malloc(strlen(name) + 1);
- if (!buf)
- return -errno;
-
- strlcpy(buf, name, strlen(name) + 1);
- qemu_perms[qemu_perm_count].name = buf;
- qemu_perms[qemu_perm_count].perm = perm;
- qemu_perms[qemu_perm_count].uid = uid;
- qemu_perms[qemu_perm_count].gid = gid;
- qemu_perms[qemu_perm_count].prefix = prefix;
-
- qemu_perm_count++;
- return 0;
-}
-
-/* Permission overrides for emulator that are parsed from /proc/cmdline. */
-void qemu_cmdline(const char* name, const char *value)
-{
- char *buf;
- if (!strcmp(name, "android.ril")) {
- /* cmd line params currently assume /dev/ prefix */
- if (asprintf(&buf, CMDLINE_PREFIX"/%s", value) == -1) {
- return;
- }
- INFO("nani- buf:: %s\n", buf);
- qemu_perm(buf, 0660, AID_RADIO, AID_ROOT, 0);
- }
-}
-
static int get_device_perm_inner(struct perms_ *perms, const char *path,
unsigned *uid, unsigned *gid, mode_t *perm)
{
@@ -267,38 +143,32 @@
static mode_t get_device_perm(const char *path, unsigned *uid, unsigned *gid)
{
mode_t perm;
+ struct listnode *node;
+ struct perm_node *perm_node;
+ struct perms_ *dp;
- if (get_device_perm_inner(qemu_perms, path, uid, gid, &perm) == 0) {
- return perm;
- } else if (get_device_perm_inner(devperms, path, uid, gid, &perm) == 0) {
- return perm;
- } else {
- struct listnode *node;
- struct perm_node *perm_node;
- struct perms_ *dp;
+ /* search the perms list in reverse so that ueventd.$hardware can
+ * override ueventd.rc
+ */
+ list_for_each_reverse(node, &dev_perms) {
+ perm_node = node_to_item(node, struct perm_node, plist);
+ dp = &perm_node->dp;
- /* Check partners list. */
- list_for_each(node, &devperms_partners) {
- perm_node = node_to_item(node, struct perm_node, plist);
- dp = &perm_node->dp;
-
- if (dp->prefix) {
- if (strncmp(path, dp->name, strlen(dp->name)))
- continue;
- } else {
- if (strcmp(path, dp->name))
- continue;
- }
- /* Found perm in partner list. */
- *uid = dp->uid;
- *gid = dp->gid;
- return dp->perm;
+ if (dp->prefix) {
+ if (strncmp(path, dp->name, strlen(dp->name)))
+ continue;
+ } else {
+ if (strcmp(path, dp->name))
+ continue;
}
- /* Default if nothing found. */
- *uid = 0;
- *gid = 0;
- return 0600;
+ *uid = dp->uid;
+ *gid = dp->gid;
+ return dp->perm;
}
+ /* Default if nothing found. */
+ *uid = 0;
+ *gid = 0;
+ return 0600;
}
static void make_device(const char *path, int block, int major, int minor)