X-Git-Url: https://git.saurik.com/ldid.git/blobdiff_plain/1a982df59e2831119a352833d91e45aee31727ea..9b4ef9a50c9de548ddb65bdc8d157d4b8155b9e7:/ldid.cpp

diff --git a/ldid.cpp b/ldid.cpp
index 6250a7d..f561fa6 100644
--- a/ldid.cpp
+++ b/ldid.cpp
@@ -2,18 +2,19 @@
  * Copyright (C) 2007-2012  Jay Freeman (saurik)
 */
 
-/* GNU Lesser General Public License, Version 3 {{{ */
-/* This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- *
+
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 **/
 /* }}} */
@@ -66,6 +67,7 @@ struct mach_header {
 
 #define MH_DYLDLINK   0x4
 
+#define MH_OBJECT     0x1
 #define MH_EXECUTE    0x2
 #define MH_DYLIB      0x6
 #define MH_BUNDLE     0x8
@@ -276,6 +278,22 @@ struct encryption_info_command {
     uint32_t cryptid;
 } _packed;
 
+#define BIND_OPCODE_MASK                             0xf0
+#define BIND_IMMEDIATE_MASK                          0x0f
+#define BIND_OPCODE_DONE                             0x00
+#define BIND_OPCODE_SET_DYLIB_ORDINAL_IMM            0x10
+#define BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB           0x20
+#define BIND_OPCODE_SET_DYLIB_SPECIAL_IMM            0x30
+#define BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM    0x40
+#define BIND_OPCODE_SET_TYPE_IMM                     0x50
+#define BIND_OPCODE_SET_ADDEND_SLEB                  0x60
+#define BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB      0x70
+#define BIND_OPCODE_ADD_ADDR_ULEB                    0x80
+#define BIND_OPCODE_DO_BIND                          0x90
+#define BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB            0xa0
+#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED      0xb0
+#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0
+
 uint16_t Swap_(uint16_t value) {
     return
         ((value >>  8) & 0x00ff) |
@@ -819,6 +837,13 @@ int main(int argc, const char *argv[]) {
             uint32_t clip(0); {
                 FatHeader fat_header(Map(path));
                 _foreach (mach_header, fat_header.GetMachHeaders()) {
+                    if (flag_A) {
+                        if (mach_header.GetCPUType() != flag_CPUType)
+                            continue;
+                        if (mach_header.GetCPUSubtype() != flag_CPUSubtype)
+                            continue;
+                    }
+
                     mach_header->flags = mach_header.Swap(mach_header.Swap(mach_header->flags) | MH_DYLDLINK);
 
                     uint32_t size(_not(uint32_t)); {
@@ -865,8 +890,8 @@ int main(int argc, const char *argv[]) {
                 }
             }
 
-            _assert(clip != 0);
-            _syscall(truncate(path, clip));
+            if (clip != 0)
+                _syscall(truncate(path, clip));
         }
 
         if (flag_S) {
@@ -878,6 +903,13 @@ int main(int argc, const char *argv[]) {
             std::vector<CodesignAllocation> allocations; {
                 FatHeader fat_header(Map(path));
                 _foreach (mach_header, fat_header.GetMachHeaders()) {
+                    if (flag_A) {
+                        if (mach_header.GetCPUType() != flag_CPUType)
+                            continue;
+                        if (mach_header.GetCPUSubtype() != flag_CPUSubtype)
+                            continue;
+                    }
+
                     mach_header->flags = mach_header.Swap(mach_header.Swap(mach_header->flags) | MH_DYLDLINK);
 
                     size_t size(_not(size_t)); {
@@ -899,6 +931,8 @@ int main(int argc, const char *argv[]) {
                 }
             }
 
+            if (!allocations.empty()) {
+
             pid_t pid = fork();
             _syscall(pid);
             if (pid == 0) {
@@ -971,12 +1005,14 @@ int main(int argc, const char *argv[]) {
             _syscall(waitpid(pid, &status, 0));
             _assert(WIFEXITED(status));
             _assert(WEXITSTATUS(status) == 0);
+
+            }
         }
 
         if (flag_p)
             printf("path%zu='%s'\n", filei, file.c_str());
 
-        FatHeader fat_header(Map(temp == NULL ? path : temp, !(flag_R | flag_T | flag_s | flag_S | flag_O | flag_D)));
+        FatHeader fat_header(Map(temp == NULL ? path : temp, !(flag_R || flag_T || flag_s || flag_S || flag_O || flag_D)));
         struct linkedit_data_command *signature(NULL);
 
         _foreach (mach_header, fat_header.GetMachHeaders()) {