From dbe1e01074c64e0a5160b9cca1e7a35b4da4b5be Mon Sep 17 00:00:00 2001
From: Max Lv <max.c.lv@gmail.com>
Date: Sun, 24 Jan 2016 16:32:37 +0800
Subject: [PATCH] Add prefix option for Android

---
 src/android.c | 8 ++++++--
 src/local.c   | 6 +++++-
 src/tunnel.c  | 6 +++++-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/android.c b/src/android.c
index ae2aa97a..0630970b 100644
--- a/src/android.c
+++ b/src/android.c
@@ -45,6 +45,8 @@
 #include "netutils.h"
 #include "utils.h"
 
+extern char *prefix;
+
 int protect_socket(int fd)
 {
     int sock;
@@ -62,7 +64,8 @@ int protect_socket(int fd)
     setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(struct timeval));
     setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(struct timeval));
 
-    const char path[] = "/data/data/com.github.shadowsocks/protect_path";
+    char path[256];
+    sprintf(path, "%s/protect_path", prefix);
 
     memset(&addr, 0, sizeof(addr));
     addr.sun_family = AF_UNIX;
@@ -109,7 +112,8 @@ int send_traffic_stat(uint64_t tx, uint64_t rx)
     setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(struct timeval));
     setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(struct timeval));
 
-    const char path[] = "/data/data/com.github.shadowsocks/stat_path";
+    char path[256];
+    sprintf(path, "%s/protect_path", prefix);
 
     memset(&addr, 0, sizeof(addr));
     addr.sun_family = AF_UNIX;
diff --git a/src/local.c b/src/local.c
index d3d528a3..86c11649 100644
--- a/src/local.c
+++ b/src/local.c
@@ -85,6 +85,7 @@ int vpn        = 0;
 uint64_t tx    = 0;
 uint64_t rx    = 0;
 ev_tstamp last = 0;
+char *prefix;
 #endif
 
 static int acl  = 0;
@@ -994,7 +995,7 @@ int main(int argc, char **argv)
     USE_TTY();
 
 #ifdef ANDROID
-    while ((c = getopt_long(argc, argv, "f:s:p:l:k:t:m:i:c:b:a:n:uvVA",
+    while ((c = getopt_long(argc, argv, "f:s:p:l:k:t:m:i:c:b:a:n:uvVAP",
                             long_options, &option_index)) != -1) {
 #else
     while ((c = getopt_long(argc, argv, "f:s:p:l:k:t:m:i:c:b:a:n:uvA",
@@ -1064,6 +1065,9 @@ int main(int argc, char **argv)
         case 'V':
             vpn = 1;
             break;
+        case 'P':
+            prefix = optarg;
+            break;
 #endif
         }
     }
diff --git a/src/tunnel.c b/src/tunnel.c
index 19900ddf..7e7e08b5 100644
--- a/src/tunnel.c
+++ b/src/tunnel.c
@@ -87,6 +87,7 @@ static void close_and_free_server(EV_P_ server_t *server);
 
 #ifdef ANDROID
 int vpn = 0;
+char *prefix;
 #endif
 int verbose = 0;
 
@@ -700,7 +701,7 @@ int main(int argc, char **argv)
     USE_TTY();
 
 #ifdef ANDROID
-    while ((c = getopt(argc, argv, "f:s:p:l:k:t:m:i:c:b:L:a:n:uUvVA")) != -1) {
+    while ((c = getopt(argc, argv, "f:s:p:l:k:t:m:i:c:b:L:a:n:uUvVAP")) != -1) {
 #else
     while ((c = getopt(argc, argv, "f:s:p:l:k:t:m:i:c:b:L:a:n:uUvA")) != -1) {
 #endif
@@ -766,6 +767,9 @@ int main(int argc, char **argv)
         case 'V':
             vpn = 1;
             break;
+        case 'P':
+            prefix = optarg;
+            break;
 #endif
         }
     }