dyld-353.2.3.tar.gz

diff --git a/src/dyld.cpp b/src/dyld.cpp
index 23e482fea7132ed0d0f130cb06679409268f6c82..b34447f6309253ff74303af286e714a8753f2a7f 100644 (file)
--- a/src/dyld.cpp
+++ b/src/dyld.cpp
@@ -1585,9 +1585,18 @@ void processDyldEnvironmentVariable(const char* key, const char* value, const ch
                appendParsedColonList(value, mainExecutableDir, &sEnv.DYLD_VERSIONED_FRAMEWORK_PATH);
        }
 #endif
-       else if ( strcmp(key, "DYLD_PRINT_TO_FILE") == 0 ) {
-               // handled in _main()
+#if !TARGET_IPHONE_SIMULATOR
+       else if ( (strcmp(key, "DYLD_PRINT_TO_FILE") == 0) && (mainExecutableDir == NULL) ) {
+               int fd = open(value, O_WRONLY | O_CREAT | O_APPEND, 0644);
+               if ( fd != -1 ) {
+                       sLogfile = fd;
+                       sLogToFile = true;
+               }
+               else {
+                       dyld::log("dyld: could not open DYLD_PRINT_TO_FILE='%s', errno=%d\n", value, errno);
+               }
        }
+#endif
        else {
                dyld::warn("unknown environment variable: %s\n", key);
        }
@@ -4466,8 +4475,6 @@ static uintptr_t useSimulatorDyld(int fd, const macho_header* mainExecutableMH,
        struct stat sb;
        if ( fstat(fd, &sb) == -1 )
                return 0;
-       if ( sb.st_uid != 0 )
-               return 0;
 
        // read first page of dyld file
        uint8_t firstPage[4096];
@@ -4547,17 +4554,19 @@ static uintptr_t useSimulatorDyld(int fd, const macho_header* mainExecutableMH,
                cmd = (const struct load_command*)(((char*)cmd)+cmd->cmdsize);
        }
        
-       if ( codeSigCmd != NULL ) {
-               fsignatures_t siginfo;
-               siginfo.fs_file_start=fileOffset;                                                       // start of mach-o slice in fat file 
-               siginfo.fs_blob_start=(void*)(long)(codeSigCmd->dataoff);       // start of code-signature in mach-o file
-               siginfo.fs_blob_size=codeSigCmd->datasize;                                      // size of code-signature
-               int result = fcntl(fd, F_ADDFILESIGS, &siginfo);
-               if ( result == -1 ) {
-                       if ( (errno == EPERM) || (errno == EBADEXEC) )
-                               return 0;
-               }
+       if ( codeSigCmd == NULL )
+               return 0;
+
+       fsignatures_t siginfo;
+       siginfo.fs_file_start=fileOffset;                                                       // start of mach-o slice in fat file 
+       siginfo.fs_blob_start=(void*)(long)(codeSigCmd->dataoff);       // start of code-signature in mach-o file
+       siginfo.fs_blob_size=codeSigCmd->datasize;                                      // size of code-signature
+       int result = fcntl(fd, F_ADDFILESIGS_FOR_DYLD_SIM, &siginfo);
+       if ( result == -1 ) {
+               dyld::log("fcntl(F_ADDFILESIGS_FOR_DYLD_SIM) failed with errno=%d\n", errno);
+               return 0;
        }
+
        close(fd);
 
        // notify debugger that dyld_sim is loaded
@@ -4593,19 +4602,6 @@ _main(const macho_header* mainExecutableMH, uintptr_t mainExecutableSlide,
 {
        uintptr_t result = 0;
        sMainExecutableMachHeader = mainExecutableMH;
-#if !TARGET_IPHONE_SIMULATOR
-       const char* loggingPath = _simple_getenv(envp, "DYLD_PRINT_TO_FILE");
-       if ( loggingPath != NULL ) {
-               int fd = open(loggingPath, O_WRONLY | O_CREAT | O_APPEND, 0644);
-               if ( fd != -1 ) {
-                       sLogfile = fd;
-                       sLogToFile = true;
-               }
-               else {
-                       dyld::log("dyld: could not open DYLD_PRINT_TO_FILE='%s', errno=%d\n", loggingPath, errno);
-               }
-       }
-#endif
 #if __MAC_OS_X_VERSION_MIN_REQUIRED
        // if this is host dyld, check to see if iOS simulator is being run
        const char* rootPath = _simple_getenv(envp, "DYLD_ROOT_PATH");