Support for creating hard- and symlinks

2 files changed, 58 insertions, 1 deletions

diff --git a/include/libiphone/libiphone.h b/include/libiphone/libiphone.h
index fc24d35..463efa7 100644
--- a/include/libiphone/libiphone.h
+++ b/include/libiphone/libiphone.h
@@ -63,6 +63,11 @@ typedef enum {
         AFC_FOPEN_RDAPPEND = 0x00000006  // a+  O_RDWR   | O_APPEND | O_CREAT
 } iphone_afc_file_mode_t;
 
+typedef enum {
+        IPHONE_AFC_HARDLINK = 1,
+        IPHONE_AFC_SYMLINK = 2
+} iphone_afc_link_type_t;
+
 struct iphone_device_int;
 typedef struct iphone_device_int *iphone_device_t;
 
@@ -127,7 +132,7 @@ iphone_error_t iphone_afc_delete_file ( iphone_afc_client_t client, const char *
 iphone_error_t iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const char *to);
 iphone_error_t iphone_afc_mkdir ( iphone_afc_client_t client, const char *dir);
 iphone_error_t iphone_afc_truncate(iphone_afc_client_t client, const char *path, off_t newsize);
-
+iphone_error_t iphone_afc_make_link ( iphone_afc_client_t client, iphone_afc_link_type_t linktype, const char *target, const char *linkname);
 
 
 iphone_error_t iphone_msync_new_client(iphone_device_t device, int dst_port,
diff --git a/src/AFC.c b/src/AFC.c
index af9efa5..960d640 100644
--- a/src/AFC.c
+++ b/src/AFC.c
@@ -1170,3 +1170,55 @@ iphone_error_t iphone_afc_truncate(iphone_afc_client_t client, const char *path,
         }
         return IPHONE_E_SUCCESS;
 }
+
+/** Creates a hard link or symbolic link on the device. 
+ * 
+ * @param client The client to use for making a link
+ * @param type 1 = hard link, 2 = symlink
+ * @param target The file to be linked.
+ * @param linkname The name of link.
+ * 
+ * @return IPHONE_E_SUCCESS if everything went well, IPHONE_E_INVALID_ARG
+ *         if arguments are NULL or invalid, IPHONE_E_NOT_ENOUGH_DATA otherwise.
+ */
+iphone_error_t iphone_afc_make_link(iphone_afc_client_t client, iphone_afc_link_type_t linktype, const char *target, const char *linkname)
+{
+        char *response = NULL;
+        char *send = (char *) malloc(sizeof(char) * (strlen(target)+1 + strlen(linkname)+1 + 8));
+        int bytes = 0;
+        uint64_t type = linktype;
+
+        if (!client || !target || !linkname || !client->afc_packet || client->sfd < 0)
+                return IPHONE_E_INVALID_ARG;
+
+        afc_lock(client);
+
+        log_debug_msg("link type: %lld\n", type);
+        log_debug_msg("target: %s, length:%d\n", target, strlen(target));
+        log_debug_msg("linkname: %s, length:%d\n", linkname, strlen(linkname));
+
+        // Send command
+        memcpy(send, &type, 8);
+        memcpy(send + 8, target, strlen(target) + 1);
+        memcpy(send + 8 + strlen(target) + 1, linkname, strlen(linkname) + 1);
+        client->afc_packet->entire_length = client->afc_packet->this_length = 0;
+        client->afc_packet->operation = AFC_MAKE_LINK;
+        bytes = dispatch_AFC_packet(client, send, 8 + strlen(linkname) + 1 + strlen(target) + 1);
+        free(send);
+        if (bytes <= 0) {
+                afc_unlock(client);
+                return IPHONE_E_NOT_ENOUGH_DATA;
+        }
+        // Receive response
+        bytes = receive_AFC_data(client, &response);
+        if (response)
+                free(response);
+
+        afc_unlock(client);
+
+        if (bytes < 0) {
+                return IPHONE_E_NOT_ENOUGH_DATA;
+        } else {
+                return IPHONE_E_SUCCESS;
+        }
+}