1 files changed, 18 insertions, 2 deletions

diff --git a/src/mobilebackup.c b/src/mobilebackup.c
index aa29277..1505623 100644
--- a/src/mobilebackup.c
+++ b/src/mobilebackup.c
@@ -279,7 +279,15 @@ LIBIMOBILEDEVICE_API mobilebackup_error_t mobilebackup_request_backup(mobileback
                 char *str = NULL;
                 plist_get_string_val(node, &str);
                 if (str) {
-                        if (strcmp(str, proto_version) != 0) {
+                        int maj = 0;
+                        int min = 0;
+                        sscanf(str, "%u.%u", &maj, &min);
+                        uint32_t this_ver = ((maj & 0xFF) << 8) | (min & 0xFF);
+                        maj = 0;
+                        min = 0;
+                        sscanf(proto_version, "%u.%u", &maj, &min);
+                        uint32_t proto_ver = ((maj & 0xFF) << 8) | (min & 0xFF);
+                        if (this_ver > proto_ver) {
                                 err = MOBILEBACKUP_E_BAD_VERSION;
                         }
                         free(str);
@@ -346,7 +354,15 @@ LIBIMOBILEDEVICE_API mobilebackup_error_t mobilebackup_request_restore(mobilebac
                 char *str = NULL;
                 plist_get_string_val(node, &str);
                 if (str) {
-                        if (strcmp(str, proto_version) != 0) {
+                        int maj = 0;
+                        int min = 0;
+                        sscanf(str, "%u.%u", &maj, &min);
+                        uint32_t this_ver = ((maj & 0xFF) << 8) | (min & 0xFF);
+                        maj = 0;
+                        min = 0;
+                        sscanf(proto_version, "%u.%u", &maj, &min);
+                        uint32_t proto_ver = ((maj & 0xFF) << 8) | (min & 0xFF);
+                        if (this_ver > proto_ver) {
                                 err = MOBILEBACKUP_E_BAD_VERSION;
                         }
                         free(str);