ha3g: camerawrapper workaround for permissions

1 files changed, 34 insertions, 0 deletions

diff --git a/camera/CameraWrapper.cpp b/camera/CameraWrapper.cpp
index e67c4ea..f593fcf 100644
--- a/camera/CameraWrapper.cpp
+++ b/camera/CameraWrapper.cpp
@@ -25,6 +25,8 @@
 
 #define LOG_TAG "CameraWrapper"
 #include <cutils/log.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include <utils/threads.h>
 #include <utils/String8.h>
@@ -33,6 +35,8 @@
 #include <camera/Camera.h>
 #include <camera/CameraParameters.h>
 
+#define CAMID_PATH "/data/CameraID.txt"
+
 static android::Mutex gCameraWrapperLock;
 static camera_module_t *gVendorModule = 0;
 
@@ -79,6 +83,36 @@ typedef struct wrapper_camera_device {
 })
 
 #define CAMERA_ID(device) (((wrapper_camera_device_t *)(device))->id)
+static void fix_camera_id_permissions()
+{
+    FILE* camidfile;
+    int amode;
+    int ret = -1;
+    camidfile = fopen(CAMID_PATH, "w");
+    if (camidfile == 0) {
+        fprintf(stderr, "open(%s) failed\n", CAMID_PATH);
+        ALOGE("Can't open %s\n", CAMID_PATH);
+    } else {
+        ALOGD("Setting permissions of %s\n", CAMID_PATH);
+
+        /* write permissions for the file owner */
+        amode = S_IWUSR;
+        ret = chmod(CAMID_PATH, amode);
+
+        /* owner: media; group: system */
+        char* chown_cmd = (char*) malloc(strlen("chown media ") + strlen(CAMID_PATH) + 1);
+        char* chgrp_cmd = (char*) malloc(strlen("chgrp system ") + strlen(CAMID_PATH) + 1);
+        sprintf(chown_cmd, "chown media %s", CAMID_PATH);
+        sprintf(chgrp_cmd, "chgrp system %s", CAMID_PATH);
+        system(chown_cmd);
+        system(chgrp_cmd);
+
+        if (ret != 0) {
+            fprintf(stderr, "chmod() on file %s failed\n", CAMID_PATH);
+            ALOGE("Can't set permissions on %s\n", CAMID_PATH);
+        }
+    }
+}
 
 static int check_vendor_module()
 {