diff options
-rw-r--r-- | adb/adb.c | 4 | ||||
-rw-r--r-- | adb/usb_vendors.c | 9 | ||||
-rw-r--r-- | debuggerd/crasher.c | 65 | ||||
-rw-r--r-- | include/corkscrew/map_info.h | 4 | ||||
-rw-r--r-- | init/devices.c | 9 | ||||
-rwxr-xr-x | init/init.c | 18 | ||||
-rwxr-xr-x | init/property_service.c | 6 | ||||
-rw-r--r-- | libcorkscrew/Android.mk | 19 | ||||
-rwxr-xr-x | libcorkscrew/arch-x86/backtrace-x86.c | 19 | ||||
-rw-r--r-- | libcorkscrew/backtrace.c | 30 | ||||
-rw-r--r-- | libcorkscrew/demangle.c | 6 | ||||
-rw-r--r-- | libcorkscrew/map_info.c | 97 | ||||
-rw-r--r-- | libcorkscrew/ptrace.c | 11 | ||||
-rw-r--r-- | libcorkscrew/symbol_table.c | 10 | ||||
-rw-r--r-- | libcorkscrew/test.cpp (renamed from libcorkscrew/test.c) | 36 | ||||
-rw-r--r-- | libcutils/Android.mk | 4 | ||||
-rw-r--r-- | libcutils/arch-mips/android_memset.c | 31 | ||||
-rw-r--r-- | libsparse/output_file.c | 3 | ||||
-rw-r--r-- | rootdir/init.rc | 4 | ||||
-rw-r--r-- | toolbox/dd.c | 8 | ||||
-rw-r--r-- | toolbox/dmesg.c | 27 | ||||
-rw-r--r-- | toolbox/ls.c | 80 | ||||
-rw-r--r-- | toolbox/mount.c | 7 |
23 files changed, 375 insertions, 132 deletions
@@ -401,6 +401,10 @@ static char *connection_state_name(atransport *t) return "bootloader"; case CS_DEVICE: return "device"; + case CS_RECOVERY: + return "recovery"; + case CS_SIDELOAD: + return "sideload"; case CS_OFFLINE: return "offline"; case CS_UNAUTHORIZED: diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c index df9b1d1..698f8a9 100644 --- a/adb/usb_vendors.c +++ b/adb/usb_vendors.c @@ -137,6 +137,12 @@ #define VENDOR_ID_HARRIS 0x19A5 // OPPO's USB Vendor ID #define VENDOR_ID_OPPO 0x22D9 +// Xiaomi's USB Vendor ID +#define VENDOR_ID_XIAOMI 0x2717 +// BYD's USB Vendor ID +#define VENDOR_ID_BYD 0x19D1 +// OUYA's USB Vendor ID +#define VENDOR_ID_OUYA 0x2836 /** built-in vendor list */ @@ -192,6 +198,9 @@ int builtInVendorIds[] = { VENDOR_ID_ANYDATA, VENDOR_ID_HARRIS, VENDOR_ID_OPPO, + VENDOR_ID_XIAOMI, + VENDOR_ID_BYD, + VENDOR_ID_OUYA, }; #define BUILT_IN_VENDOR_COUNT (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0])) diff --git a/debuggerd/crasher.c b/debuggerd/crasher.c index 630d980..d88ef88 100644 --- a/debuggerd/crasher.c +++ b/debuggerd/crasher.c @@ -17,6 +17,8 @@ #include <cutils/sockets.h> +extern const char* __progname; + void crash1(void); void crashnostack(void); void maybeabort(void); @@ -47,20 +49,16 @@ int smash_stack(int i) { return *(int*)(&buf[0]); } -void test_call1() -{ - *((int*) 32) = 1; +__attribute__((noinline)) void overflow_stack(void* p) { + fprintf(stderr, "p = %p\n", p); + void* buf[1]; + buf[0] = p; + overflow_stack(&buf); } -void *test_thread(void *x) +void test_call1() { - printf("crasher: thread pid=%d tid=%d\n", getpid(), gettid()); - - sleep(1); - test_call1(); - printf("goodbye\n"); - - return 0; + *((int*) 32) = 1; } void *noisy(void *x) @@ -118,35 +116,48 @@ __attribute__((noinline)) int crash(int a) { int do_action(const char* arg) { - if(!strncmp(arg, "thread-", strlen("thread-"))) { + fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid()); + + if (!strncmp(arg, "thread-", strlen("thread-"))) { return do_action_on_thread(arg + strlen("thread-")); + } else if (!strcmp(arg,"smash-stack")) { + return smash_stack(42); + } else if (!strcmp(arg,"stack-overflow")) { + overflow_stack(NULL); + } else if (!strcmp(arg,"nostack")) { + crashnostack(); + } else if (!strcmp(arg,"ctest")) { + return ctest(); + } else if (!strcmp(arg,"exit")) { + exit(1); + } else if (!strcmp(arg,"crash")) { + return crash(42); + } else if (!strcmp(arg,"abort")) { + maybeabort(); } - if(!strcmp(arg,"smash-stack")) return smash_stack(42); - if(!strcmp(arg,"nostack")) crashnostack(); - if(!strcmp(arg,"ctest")) return ctest(); - if(!strcmp(arg,"exit")) exit(1); - if(!strcmp(arg,"crash")) return crash(42); - if(!strcmp(arg,"abort")) maybeabort(); - - pthread_t thr; - pthread_attr_t attr; - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - pthread_create(&thr, &attr, test_thread, 0); - while(1) sleep(1); + fprintf(stderr, "%s OP\n", __progname); + fprintf(stderr, "where OP is:\n"); + fprintf(stderr, " smash-stack overwrite a stack-guard canary\n"); + fprintf(stderr, " stack-overflow recurse until the stack overflows\n"); + fprintf(stderr, " nostack crash with a NULL stack pointer\n"); + fprintf(stderr, " ctest (obsoleted by thread-crash?)\n"); + fprintf(stderr, " exit call exit(1)\n"); + fprintf(stderr, " crash cause a SIGSEGV\n"); + fprintf(stderr, " abort call abort()\n"); + fprintf(stderr, "prefix any of the above with 'thread-' to not run\n"); + fprintf(stderr, "on the process' main thread.\n"); + return EXIT_SUCCESS; } int main(int argc, char **argv) { fprintf(stderr,"crasher: built at " __TIME__ "!@\n"); - fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid()); if(argc > 1) { return do_action(argv[1]); } else { crash1(); -// *((int*) 0) = 42; } return 0; diff --git a/include/corkscrew/map_info.h b/include/corkscrew/map_info.h index c9b241d..14bfad6 100644 --- a/include/corkscrew/map_info.h +++ b/include/corkscrew/map_info.h @@ -63,6 +63,10 @@ map_info_t* acquire_my_map_info_list(); * previous acquired using acquire_my_map_info_list(). */ void release_my_map_info_list(map_info_t* milist); +/* Flushes the cached memory map so the next call to + * acquire_my_map_info_list() gets fresh data. */ +void flush_my_map_info_list(); + #ifdef __cplusplus } #endif diff --git a/init/devices.c b/init/devices.c index e25034c..69f5fc8 100644 --- a/init/devices.c +++ b/init/devices.c @@ -127,6 +127,7 @@ void fixup_sys_perms(const char *upath) char buf[512]; struct listnode *node; struct perms_ *dp; + char *secontext; /* upaths omit the "/sys" that paths in this list * contain, so we add 4 when comparing... @@ -148,6 +149,14 @@ void fixup_sys_perms(const char *upath) INFO("fixup %s %d %d 0%o\n", buf, dp->uid, dp->gid, dp->perm); chown(buf, dp->uid, dp->gid); chmod(buf, dp->perm); + if (sehandle) { + secontext = NULL; + selabel_lookup(sehandle, &secontext, buf, 0); + if (secontext) { + setfilecon(buf, secontext); + freecon(secontext); + } + } } } diff --git a/init/init.c b/init/init.c index 853762b..54adabb 100755 --- a/init/init.c +++ b/init/init.c @@ -93,7 +93,7 @@ void notify_service_state(const char *name, const char *state) } static int have_console; -static char *console_name = "/dev/console"; +static char console_name[PROP_VALUE_MAX] = "/dev/console"; static time_t process_needs_restart; static const char *ENV[32]; @@ -433,7 +433,7 @@ static void restart_processes() static void msg_start(const char *name) { - struct service *svc; + struct service *svc = NULL; char *tmp = NULL; char *args = NULL; @@ -441,11 +441,13 @@ static void msg_start(const char *name) svc = service_find_by_name(name); else { tmp = strdup(name); - args = strchr(tmp, ':'); - *args = '\0'; - args++; + if (tmp) { + args = strchr(tmp, ':'); + *args = '\0'; + args++; - svc = service_find_by_name(tmp); + svc = service_find_by_name(tmp); + } } if (svc) { @@ -550,11 +552,9 @@ static int keychord_init_action(int nargs, char **args) static int console_init_action(int nargs, char **args) { int fd; - char tmp[PROP_VALUE_MAX]; if (console[0]) { - snprintf(tmp, sizeof(tmp), "/dev/%s", console); - console_name = strdup(tmp); + snprintf(console_name, sizeof(console_name), "/dev/%s", console); } fd = open(console_name, O_RDWR); diff --git a/init/property_service.c b/init/property_service.c index 62b6c3d..e8c8869 100755 --- a/init/property_service.c +++ b/init/property_service.c @@ -352,7 +352,11 @@ int property_set(const char *name, const char *value) __futex_wake(&pa->serial, INT32_MAX); } else { pa = __system_property_area__; - if(pa->count == PA_COUNT_MAX) return -1; + if(pa->count == PA_COUNT_MAX) { + ERROR("Failed to set '%s'='%s', property pool is exhausted at %d entries", + name, value, PA_COUNT_MAX); + return -1; + } pi = pa_info_array + pa->count; pi->serial = (valuelen << 24); diff --git a/libcorkscrew/Android.mk b/libcorkscrew/Android.mk index 8370789..49c3b92 100644 --- a/libcorkscrew/Android.mk +++ b/libcorkscrew/Android.mk @@ -59,23 +59,26 @@ include $(BUILD_SHARED_LIBRARY) # Build test. include $(CLEAR_VARS) -LOCAL_SRC_FILES := test.c -LOCAL_CFLAGS += -std=gnu99 -Werror -fno-inline-small-functions +LOCAL_SRC_FILES := test.cpp +LOCAL_CFLAGS += -Werror -fno-inline-small-functions LOCAL_SHARED_LIBRARIES := libcorkscrew LOCAL_MODULE := libcorkscrew_test LOCAL_MODULE_TAGS := optional include $(BUILD_EXECUTABLE) -ifeq ($(HOST_OS)-$(HOST_ARCH),linux-x86) +ifeq ($(HOST_ARCH),x86) # Build libcorkscrew. include $(CLEAR_VARS) LOCAL_SRC_FILES += $(generic_src_files) $(x86_src_files) LOCAL_CFLAGS += -DCORKSCREW_HAVE_ARCH -LOCAL_SHARED_LIBRARIES += libgccdemangle LOCAL_STATIC_LIBRARIES += libcutils liblog -LOCAL_LDLIBS += -ldl -lrt +LOCAL_LDLIBS += -ldl +ifeq ($(HOST_OS),linux) + LOCAL_SHARED_LIBRARIES += libgccdemangle # TODO: is this even needed on Linux? + LOCAL_LDLIBS += -lrt +endif LOCAL_CFLAGS += -std=gnu99 -Werror LOCAL_MODULE := libcorkscrew LOCAL_MODULE_TAGS := optional @@ -83,11 +86,11 @@ include $(BUILD_HOST_SHARED_LIBRARY) # Build test. include $(CLEAR_VARS) -LOCAL_SRC_FILES := test.c -LOCAL_CFLAGS += -std=gnu99 -Werror -fno-inline-small-functions +LOCAL_SRC_FILES := test.cpp +LOCAL_CFLAGS += -Werror LOCAL_SHARED_LIBRARIES := libcorkscrew LOCAL_MODULE := libcorkscrew_test LOCAL_MODULE_TAGS := optional include $(BUILD_HOST_EXECUTABLE) -endif # linux-x86 +endif # HOST_ARCH == x86 diff --git a/libcorkscrew/arch-x86/backtrace-x86.c b/libcorkscrew/arch-x86/backtrace-x86.c index 29159ed..e133ab6 100755 --- a/libcorkscrew/arch-x86/backtrace-x86.c +++ b/libcorkscrew/arch-x86/backtrace-x86.c @@ -75,13 +75,18 @@ typedef struct ucontext { #endif /* __BIONIC_HAVE_UCONTEXT_T */ -#else /* __BIONIC__ */ +#elif defined(__APPLE__) + +#define _XOPEN_SOURCE +#include <ucontext.h> + +#else // glibc has its own renaming of the Linux kernel's structures. #define __USE_GNU // For REG_EBP, REG_ESP, and REG_EIP. #include <ucontext.h> -#endif /* __ BIONIC__ */ +#endif /* Unwind state. */ typedef struct { @@ -819,9 +824,15 @@ ssize_t unwind_backtrace_signal_arch(siginfo_t* siginfo __attribute__((unused)), const ucontext_t* uc = (const ucontext_t*)sigcontext; unwind_state_t state; +#if defined(__APPLE__) + state.reg[DWARF_EBP] = uc->uc_mcontext->__ss.__ebp; + state.reg[DWARF_ESP] = uc->uc_mcontext->__ss.__esp; + state.reg[DWARF_EIP] = uc->uc_mcontext->__ss.__eip; +#else state.reg[DWARF_EBP] = uc->uc_mcontext.gregs[REG_EBP]; state.reg[DWARF_ESP] = uc->uc_mcontext.gregs[REG_ESP]; state.reg[DWARF_EIP] = uc->uc_mcontext.gregs[REG_EIP]; +#endif memory_t memory; init_memory(&memory, map_info_list); @@ -831,6 +842,9 @@ ssize_t unwind_backtrace_signal_arch(siginfo_t* siginfo __attribute__((unused)), ssize_t unwind_backtrace_ptrace_arch(pid_t tid, const ptrace_context_t* context, backtrace_frame_t* backtrace, size_t ignore_depth, size_t max_depth) { +#if defined(__APPLE__) + return -1; +#else pt_regs_x86_t regs; if (ptrace(PTRACE_GETREGS, tid, 0, ®s)) { return -1; @@ -845,4 +859,5 @@ ssize_t unwind_backtrace_ptrace_arch(pid_t tid, const ptrace_context_t* context, init_memory_ptrace(&memory, tid); return unwind_backtrace_common(&memory, context->map_info_list, &state, backtrace, ignore_depth, max_depth); +#endif } diff --git a/libcorkscrew/backtrace.c b/libcorkscrew/backtrace.c index 03dbd53..b365e5b 100644 --- a/libcorkscrew/backtrace.c +++ b/libcorkscrew/backtrace.c @@ -33,7 +33,6 @@ #include <unwind.h> #include <cutils/log.h> #include <cutils/atomic.h> -#include <elf.h> #define __USE_GNU // For dladdr(3) in glibc. #include <dlfcn.h> @@ -43,6 +42,15 @@ // Bionic implements and exports gettid but only implements tgkill. extern int tgkill(int tgid, int tid, int sig); +#elif defined(__APPLE__) + +#include <sys/syscall.h> + +// Mac OS >= 10.6 has a system call equivalent to Linux's gettid(). +static pid_t gettid() { + return syscall(SYS_thread_selfid); +} + #else // glibc doesn't implement or export either gettid or tgkill. @@ -97,7 +105,7 @@ ssize_t unwind_backtrace(backtrace_frame_t* backtrace, size_t ignore_depth, size state.returned_frames = 0; init_memory(&state.memory, milist); - _Unwind_Reason_Code rc =_Unwind_Backtrace(unwind_backtrace_callback, &state); + _Unwind_Reason_Code rc = _Unwind_Backtrace(unwind_backtrace_callback, &state); release_my_map_info_list(milist); @@ -146,7 +154,9 @@ ssize_t unwind_backtrace_thread(pid_t tid, backtrace_frame_t* backtrace, ALOGV("Unwinding thread %d from thread %d.", tid, gettid()); -#ifdef CORKSCREW_HAVE_ARCH + // TODO: there's no tgkill(2) on Mac OS, so we'd either need the + // mach_port_t or the pthread_t rather than the tid. +#if defined(CORKSCREW_HAVE_ARCH) && !defined(__APPLE__) struct sigaction act; struct sigaction oact; memset(&act, 0, sizeof(act)); @@ -305,20 +315,20 @@ void format_backtrace_line(unsigned frameNumber, const backtrace_frame_t* frame const backtrace_symbol_t* symbol, char* buffer, size_t bufferSize) { const char* mapName = symbol->map_name ? symbol->map_name : "<unknown>"; const char* symbolName = symbol->demangled_name ? symbol->demangled_name : symbol->symbol_name; - size_t fieldWidth = (bufferSize - 80) / 2; + int fieldWidth = (bufferSize - 80) / 2; if (symbolName) { uint32_t pc_offset = symbol->relative_pc - symbol->relative_symbol_addr; if (pc_offset) { - snprintf(buffer, bufferSize, "#%02d pc %08x %.*s (%.*s+%u)", - frameNumber, symbol->relative_pc, fieldWidth, mapName, + snprintf(buffer, bufferSize, "#%02u pc %p %.*s (%.*s+%u)", + frameNumber, (void*) symbol->relative_pc, fieldWidth, mapName, fieldWidth, symbolName, pc_offset); } else { - snprintf(buffer, bufferSize, "#%02d pc %08x %.*s (%.*s)", - frameNumber, symbol->relative_pc, fieldWidth, mapName, + snprintf(buffer, bufferSize, "#%02u pc %p %.*s (%.*s)", + frameNumber, (void*) symbol->relative_pc, fieldWidth, mapName, fieldWidth, symbolName); } } else { - snprintf(buffer, bufferSize, "#%02d pc %08x %.*s", - frameNumber, symbol->relative_pc, fieldWidth, mapName); + snprintf(buffer, bufferSize, "#%02u pc %p %.*s", + frameNumber, (void*) symbol->relative_pc, fieldWidth, mapName); } } diff --git a/libcorkscrew/demangle.c b/libcorkscrew/demangle.c index 54247cb..30ab1b0 100644 --- a/libcorkscrew/demangle.c +++ b/libcorkscrew/demangle.c @@ -25,6 +25,12 @@ extern char *__cxa_demangle (const char *mangled, char *buf, size_t *len, int *status); char* demangle_symbol_name(const char* name) { +#if defined(__APPLE__) + // Mac OS' __cxa_demangle demangles "f" as "float"; last tested on 10.7. + if (name != NULL && name[0] != '_') { + return NULL; + } +#endif // __cxa_demangle handles NULL by returning NULL return __cxa_demangle(name, 0, 0, 0); } diff --git a/libcorkscrew/map_info.c b/libcorkscrew/map_info.c index 6a27664..93dffbf 100644 --- a/libcorkscrew/map_info.c +++ b/libcorkscrew/map_info.c @@ -29,6 +29,67 @@ #include <cutils/log.h> #include <sys/time.h> +#if defined(__APPLE__) + +// Mac OS vmmap(1) output: +// __TEXT 0009f000-000a1000 [ 8K 8K] r-x/rwx SM=COW /Volumes/android/dalvik-dev/out/host/darwin-x86/bin/libcorkscrew_test\n +// 012345678901234567890123456789012345678901234567890123456789 +// 0 1 2 3 4 5 +static map_info_t* parse_vmmap_line(const char* line) { + unsigned long int start; + unsigned long int end; + char permissions[4]; + int name_pos; + if (sscanf(line, "%*21c %lx-%lx [%*13c] %3c/%*3c SM=%*3c %n", + &start, &end, permissions, &name_pos) != 3) { + return NULL; + } + + const char* name = line + name_pos; + size_t name_len = strlen(name); + + map_info_t* mi = calloc(1, sizeof(map_info_t) + name_len); + if (mi != NULL) { + mi->start = start; + mi->end = end; + mi->is_readable = permissions[0] == 'r'; + mi->is_writable = permissions[1] == 'w'; + mi->is_executable = permissions[2] == 'x'; + mi->data = NULL; + memcpy(mi->name, name, name_len); + mi->name[name_len - 1] = '\0'; + ALOGV("Parsed map: start=0x%08x, end=0x%08x, " + "is_readable=%d, is_writable=%d is_executable=%d, name=%s", + mi->start, mi->end, + mi->is_readable, mi->is_writable, mi->is_executable, mi->name); + } + return mi; +} + +map_info_t* load_map_info_list(pid_t pid) { + char cmd[1024]; + snprintf(cmd, sizeof(cmd), "vmmap -w -resident -submap -allSplitLibs -interleaved %d", pid); + FILE* fp = popen(cmd, "r"); + if (fp == NULL) { + return NULL; + } + + char line[1024]; + map_info_t* milist = NULL; + while (fgets(line, sizeof(line), fp) != NULL) { + map_info_t* mi = parse_vmmap_line(line); + if (mi != NULL) { + mi->next = milist; + milist = mi; + } + } + pclose(fp); + return milist; +} + +#else + +// Linux /proc/<pid>/maps lines: // 6f000000-6f01e000 rwxp 00000000 00:0c 16389419 /system/lib/libcomposer.so\n // 012345678901234567890123456789012345678901234567890123456789 // 0 1 2 3 4 5 @@ -63,9 +124,9 @@ static map_info_t* parse_maps_line(const char* line) memcpy(mi->name, name, name_len); mi->name[name_len] = '\0'; ALOGV("Parsed map: start=0x%08x, end=0x%08x, " - "is_readable=%d, is_writable=%d, is_executable=%d, name=%s", - mi->start, mi->end, - mi->is_readable, mi->is_writable, mi->is_executable, mi->name); + "is_readable=%d, is_writable=%d, is_executable=%d, name=%s", + mi->start, mi->end, + mi->is_readable, mi->is_writable, mi->is_executable, mi->name); } return mi; } @@ -91,6 +152,8 @@ map_info_t* load_map_info_list(pid_t tid) { return milist; } +#endif + void free_map_info_list(map_info_t* milist) { while (milist) { map_info_t* next = milist->next; @@ -132,11 +195,17 @@ typedef struct { int64_t timestamp; } my_map_info_data_t; -static int64_t now() { +static int64_t now_ns() { +#if defined(HAVE_POSIX_CLOCKS) struct timespec t; t.tv_sec = t.tv_nsec = 0; clock_gettime(CLOCK_MONOTONIC, &t); return t.tv_sec * 1000000000LL + t.tv_nsec; +#else + struct timeval t; + gettimeofday(&t, NULL); + return t.tv_sec * 1000000000LL + t.tv_usec * 1000LL; +#endif } static void dec_ref(map_info_t* milist, my_map_info_data_t* data) { @@ -150,8 +219,8 @@ static void dec_ref(map_info_t* milist, my_map_info_data_t* data) { map_info_t* acquire_my_map_info_list() { pthread_mutex_lock(&g_my_map_info_list_mutex); - int64_t time = now(); - if (g_my_map_info_list) { + int64_t time = now_ns(); + if (g_my_map_info_list != NULL) { my_map_info_data_t* data = (my_map_info_data_t*)g_my_map_info_list->data; int64_t age = time - data->timestamp; if (age >= MAX_CACHE_AGE) { @@ -163,10 +232,10 @@ map_info_t* acquire_my_map_info_list() { } } - if (!g_my_map_info_list) { + if (g_my_map_info_list == NULL) { my_map_info_data_t* data = (my_map_info_data_t*)malloc(sizeof(my_map_info_data_t)); g_my_map_info_list = load_map_info_list(getpid()); - if (g_my_map_info_list) { + if (g_my_map_info_list != NULL) { ALOGV("Loaded my_map_info_list %p.", g_my_map_info_list); g_my_map_info_list->data = data; data->refs = 1; @@ -196,3 +265,15 @@ void release_my_map_info_list(map_info_t* milist) { pthread_mutex_unlock(&g_my_map_info_list_mutex); } } + +void flush_my_map_info_list() { + pthread_mutex_lock(&g_my_map_info_list_mutex); + + if (g_my_map_info_list != NULL) { + my_map_info_data_t* data = (my_map_info_data_t*) g_my_map_info_list->data; + dec_ref(g_my_map_info_list, data); + g_my_map_info_list = NULL; + } + + pthread_mutex_unlock(&g_my_map_info_list_mutex); +} diff --git a/libcorkscrew/ptrace.c b/libcorkscrew/ptrace.c index 776ef69..be58f7f 100644 --- a/libcorkscrew/ptrace.c +++ b/libcorkscrew/ptrace.c @@ -46,21 +46,25 @@ void init_memory_ptrace(memory_t* memory, pid_t tid) { } bool try_get_word(const memory_t* memory, uintptr_t ptr, uint32_t* out_value) { - ALOGV("try_get_word: reading word at 0x%08x", ptr); + ALOGV("try_get_word: reading word at %p", (void*) ptr); if (ptr & 3) { - ALOGV("try_get_word: invalid pointer 0x%08x", ptr); + ALOGV("try_get_word: invalid pointer %p", (void*) ptr); *out_value = 0xffffffffL; return false; } if (memory->tid < 0) { if (!is_readable_map(memory->map_info_list, ptr)) { - ALOGV("try_get_word: pointer 0x%08x not in a readable map", ptr); + ALOGV("try_get_word: pointer %p not in a readable map", (void*) ptr); *out_value = 0xffffffffL; return false; } *out_value = *(uint32_t*)ptr; return true; } else { +#if defined(__APPLE__) + ALOGV("no ptrace on Mac OS"); + return false; +#else // ptrace() returns -1 and sets errno when the operation fails. // To disambiguate -1 from a valid result, we clear errno beforehand. errno = 0; @@ -71,6 +75,7 @@ bool try_get_word(const memory_t* memory, uintptr_t ptr, uint32_t* out_value) { return false; } return true; +#endif } } diff --git a/libcorkscrew/symbol_table.c b/libcorkscrew/symbol_table.c index 29e4a79..982ccc8 100644 --- a/libcorkscrew/symbol_table.c +++ b/libcorkscrew/symbol_table.c @@ -21,13 +21,17 @@ #include <stdbool.h> #include <stdlib.h> -#include <elf.h> #include <fcntl.h> #include <string.h> #include <sys/stat.h> #include <sys/mman.h> #include <cutils/log.h> +#if defined(__APPLE__) +#else + +#include <elf.h> + static bool is_elf(Elf32_Ehdr* e) { return (e->e_ident[EI_MAG0] == ELFMAG0 && e->e_ident[EI_MAG1] == ELFMAG1 && @@ -35,6 +39,8 @@ static bool is_elf(Elf32_Ehdr* e) { e->e_ident[EI_MAG3] == ELFMAG3); } +#endif + // Compare function for qsort static int qcompar(const void *a, const void *b) { const symbol_t* asym = (const symbol_t*)a; @@ -55,6 +61,7 @@ static int bcompar(const void *key, const void *element) { symbol_table_t* load_symbol_table(const char *filename) { symbol_table_t* table = NULL; +#if !defined(__APPLE__) ALOGV("Loading symbol table from '%s'.", filename); int fd = open(filename, O_RDONLY); @@ -197,6 +204,7 @@ out_unmap: out_close: close(fd); +#endif out: return table; diff --git a/libcorkscrew/test.c b/libcorkscrew/test.cpp index af34c03..22dfa7d 100644 --- a/libcorkscrew/test.c +++ b/libcorkscrew/test.cpp @@ -3,11 +3,14 @@ #include <stdio.h> #include <stdlib.h> -void do_backtrace() { +int do_backtrace(float /* just to test demangling */) { const size_t MAX_DEPTH = 32; backtrace_frame_t* frames = (backtrace_frame_t*) malloc(sizeof(backtrace_frame_t) * MAX_DEPTH); ssize_t frame_count = unwind_backtrace(frames, 0, MAX_DEPTH); fprintf(stderr, "frame_count=%d\n", (int) frame_count); + if (frame_count <= 0) { + return frame_count; + } backtrace_symbol_t* backtrace_symbols = (backtrace_symbol_t*) malloc(sizeof(backtrace_symbol_t) * frame_count); get_backtrace_symbols(frames, frame_count, backtrace_symbols); @@ -31,7 +34,7 @@ void do_backtrace() { symbol = find_symbol(symbols, frames[i].absolute_pc); } if (symbol != NULL) { - uintptr_t offset = frames[i].absolute_pc - symbol->start; + int offset = frames[i].absolute_pc - symbol->start; fprintf(stderr, " %s (%s%+d)\n", line, symbol->name, offset); } else { fprintf(stderr, " %s (\?\?\?)\n", line); @@ -43,22 +46,31 @@ void do_backtrace() { free_backtrace_symbols(backtrace_symbols, frame_count); free(backtrace_symbols); free(frames); + return frame_count; } -__attribute__ ((noinline)) void g() { - fprintf(stderr, "g()\n"); - do_backtrace(); -} +struct C { + int g(int i); +}; -__attribute__ ((noinline)) int f(int i) { - fprintf(stderr, "f(%i)\n", i); +__attribute__ ((noinline)) int C::g(int i) { if (i == 0) { - g(); - return 0; + return do_backtrace(0.1); } - return f(i - 1); + return g(i - 1); +} + +extern "C" __attribute__ ((noinline)) int f() { + C c; + return c.g(5); } int main() { - return f(5); + flush_my_map_info_list(); + f(); + + flush_my_map_info_list(); + f(); + + return 0; } diff --git a/libcutils/Android.mk b/libcutils/Android.mk index 4056e8a..5037705 100644 --- a/libcutils/Android.mk +++ b/libcutils/Android.mk @@ -131,7 +131,11 @@ ifeq ($(TARGET_ARCH_VARIANT),x86-atom) LOCAL_CFLAGS += -DHAVE_MEMSET16 -DHAVE_MEMSET32 LOCAL_SRC_FILES += arch-x86/android_memset16.S arch-x86/android_memset32.S memory.c else # !x86-atom +ifeq ($(TARGET_ARCH),mips) +LOCAL_SRC_FILES += arch-mips/android_memset.c +else # !mips LOCAL_SRC_FILES += memory.c +endif # !mips endif # !x86-atom endif # !arm diff --git a/libcutils/arch-mips/android_memset.c b/libcutils/arch-mips/android_memset.c new file mode 100644 index 0000000..bbc99fe --- /dev/null +++ b/libcutils/arch-mips/android_memset.c @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <cutils/memory.h> + +/* Use mips-assembler versions supplied by bionic/libc/arch-mips/string/memset.S: */ +void _memset16(uint16_t* dst, uint16_t value, size_t size); +void _memset32(uint32_t* dst, uint32_t value, size_t size); + +void android_memset16(uint16_t* dst, uint16_t value, size_t size) +{ + _memset16(dst, value, size); +} + +void android_memset32(uint32_t* dst, uint32_t value, size_t size) +{ + _memset32(dst, value, size); +} diff --git a/libsparse/output_file.c b/libsparse/output_file.c index b5ae419..5014e4a 100644 --- a/libsparse/output_file.c +++ b/libsparse/output_file.c @@ -675,6 +675,9 @@ struct output_file *output_file_open_fd(int fd, unsigned int block_size, int64_t } else { out = output_file_new_normal(); } + if (!out) { + return NULL; + } out->ops->open(out, fd); diff --git a/rootdir/init.rc b/rootdir/init.rc index 4e8ff60..f887a26 100644 --- a/rootdir/init.rc +++ b/rootdir/init.rc @@ -37,7 +37,7 @@ loglevel 3 export ANDROID_STORAGE /storage export ASEC_MOUNTPOINT /mnt/asec export LOOP_MOUNTPOINT /mnt/obb - export BOOTCLASSPATH /system/framework/core.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/mms-common.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/apache-xml.jar + export BOOTCLASSPATH /system/framework/core.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/mms-common.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/apache-xml.jar # Backward compatibility symlink /system/etc /etc @@ -251,7 +251,7 @@ on post-fs-data symlink /data/data/com.android.shell/files/bugreports /data/bugreports # Separate location for storing security policy files on data - mkdir /data/security 0700 system system + mkdir /data/security 0711 system system # If there is no fs-post-data action in the init.<device>.rc file, you # must uncomment this line, otherwise encrypted filesystems diff --git a/toolbox/dd.c b/toolbox/dd.c index 350f1d2..a8c12d2 100644 --- a/toolbox/dd.c +++ b/toolbox/dd.c @@ -590,8 +590,8 @@ pos_in(void) /* If not a pipe or tape device, try to seek on it. */ if (!(in.flags & (ISPIPE|ISTAPE))) { - if (lseek(in.fd, - (off_t)in.offset * (off_t)in.dbsz, SEEK_CUR) == -1) { + if (lseek64(in.fd, + (off64_t)in.offset * (off64_t)in.dbsz, SEEK_CUR) == -1) { fprintf(stderr, "%s: seek error: %s", in.name, strerror(errno)); exit(1); @@ -661,8 +661,8 @@ pos_out(void) * have specified the seek operand. */ if (!(out.flags & ISTAPE)) { - if (lseek(out.fd, - (off_t)out.offset * (off_t)out.dbsz, SEEK_SET) == -1) { + if (lseek64(out.fd, + (off64_t)out.offset * (off64_t)out.dbsz, SEEK_SET) == -1) { fprintf(stderr, "%s: seek error: %s\n", out.name, strerror(errno)); exit(1); diff --git a/toolbox/dmesg.c b/toolbox/dmesg.c index e57f607..9c73b00 100644 --- a/toolbox/dmesg.c +++ b/toolbox/dmesg.c @@ -5,15 +5,30 @@ #include <sys/klog.h> #include <string.h> -#define KLOG_BUF_SHIFT 17 /* CONFIG_LOG_BUF_SHIFT from our kernel */ -#define KLOG_BUF_LEN (1 << KLOG_BUF_SHIFT) +#define FALLBACK_KLOG_BUF_SHIFT 17 /* CONFIG_LOG_BUF_SHIFT from our kernel */ +#define FALLBACK_KLOG_BUF_LEN (1 << FALLBACK_KLOG_BUF_SHIFT) int dmesg_main(int argc, char **argv) { - char buffer[KLOG_BUF_LEN + 1]; - char *p = buffer; + char *buffer; + char *p; ssize_t ret; - int n, op; + int n, op, klog_buf_len; + + klog_buf_len = klogctl(KLOG_SIZE_BUFFER, 0, 0); + + if (klog_buf_len <= 0) { + klog_buf_len = FALLBACK_KLOG_BUF_LEN; + } + + buffer = (char *)malloc(klog_buf_len + 1); + + if (!buffer) { + perror("malloc"); + return EXIT_FAILURE; + } + + p = buffer; if((argc == 2) && (!strcmp(argv[1],"-c"))) { op = KLOG_READ_CLEAR; @@ -21,7 +36,7 @@ int dmesg_main(int argc, char **argv) op = KLOG_READ_ALL; } - n = klogctl(op, buffer, KLOG_BUF_LEN); + n = klogctl(op, buffer, klog_buf_len); if (n < 0) { perror("klogctl"); return EXIT_FAILURE; diff --git a/toolbox/ls.c b/toolbox/ls.c index e530521..5324511 100644 --- a/toolbox/ls.c +++ b/toolbox/ls.c @@ -28,6 +28,7 @@ #define LIST_LONG_NUMERIC (1 << 5) #define LIST_CLASSIFY (1 << 6) #define LIST_MACLABEL (1 << 7) +#define LIST_INODE (1 << 8) // fwd static int listpath(const char *name, int flags); @@ -127,22 +128,20 @@ static int show_total_size(const char *dirname, DIR *d, int flags) return 0; } -static int listfile_size(const char *path, const char *filename, int flags) +static int listfile_size(const char *path, const char *filename, struct stat *s, + int flags) { - struct stat s; - - if (lstat(path, &s) < 0) { - fprintf(stderr, "lstat '%s' failed: %s\n", path, strerror(errno)); + if(!s || !path) { return -1; } /* blocks are 512 bytes, we want output to be KB */ if ((flags & LIST_SIZE) != 0) { - printf("%lld ", s.st_blocks / 2); + printf("%lld ", s->st_blocks / 2); } if ((flags & LIST_CLASSIFY) != 0) { - char filetype = mode2kind(s.st_mode); + char filetype = mode2kind(s->st_mode); if (filetype != 'l') { printf("%c ", filetype); } else { @@ -161,15 +160,18 @@ static int listfile_size(const char *path, const char *filename, int flags) return 0; } -static int listfile_long(const char *path, int flags) +static int listfile_long(const char *path, struct stat *s, int flags) { - struct stat s; char date[32]; char mode[16]; char user[16]; char group[16]; const char *name; + if(!s || !path) { + return -1; + } + /* name is anything after the final '/', or the whole path if none*/ name = strrchr(path, '/'); if(name == 0) { @@ -178,36 +180,32 @@ static int listfile_long(const char *path, int flags) name++; } - if(lstat(path, &s) < 0) { - return -1; - } - - mode2str(s.st_mode, mode); + mode2str(s->st_mode, mode); if (flags & LIST_LONG_NUMERIC) { - sprintf(user, "%ld", s.st_uid); - sprintf(group, "%ld", s.st_gid); + sprintf(user, "%ld", s->st_uid); + sprintf(group, "%ld", s->st_gid); } else { - user2str(s.st_uid, user); - group2str(s.st_gid, group); + user2str(s->st_uid, user); + group2str(s->st_gid, group); } - strftime(date, 32, "%Y-%m-%d %H:%M", localtime((const time_t*)&s.st_mtime)); + strftime(date, 32, "%Y-%m-%d %H:%M", localtime((const time_t*)&s->st_mtime)); date[31] = 0; // 12345678901234567890123456789012345678901234567890123456789012345678901234567890 // MMMMMMMM UUUUUUUU GGGGGGGGG XXXXXXXX YYYY-MM-DD HH:MM NAME (->LINK) - switch(s.st_mode & S_IFMT) { + switch(s->st_mode & S_IFMT) { case S_IFBLK: case S_IFCHR: printf("%s %-8s %-8s %3d, %3d %s %s\n", mode, user, group, - (int) MAJOR(s.st_rdev), (int) MINOR(s.st_rdev), + (int) MAJOR(s->st_rdev), (int) MINOR(s->st_rdev), date, name); break; case S_IFREG: printf("%s %-8s %-8s %8lld %s %s\n", - mode, user, group, s.st_size, date, name); + mode, user, group, s->st_size, date, name); break; case S_IFLNK: { char linkto[256]; @@ -237,15 +235,18 @@ static int listfile_long(const char *path, int flags) return 0; } -static int listfile_maclabel(const char *path, int flags) +static int listfile_maclabel(const char *path, struct stat *s, int flags) { - struct stat s; char mode[16]; char user[16]; char group[16]; char *maclabel = NULL; const char *name; + if(!s || !path) { + return -1; + } + /* name is anything after the final '/', or the whole path if none*/ name = strrchr(path, '/'); if(name == 0) { @@ -254,20 +255,16 @@ static int listfile_maclabel(const char *path, int flags) name++; } - if(lstat(path, &s) < 0) { - return -1; - } - lgetfilecon(path, &maclabel); if (!maclabel) { return -1; } - mode2str(s.st_mode, mode); - user2str(s.st_uid, user); - group2str(s.st_gid, group); + mode2str(s->st_mode, mode); + user2str(s->st_uid, user); + group2str(s->st_gid, group); - switch(s.st_mode & S_IFMT) { + switch(s->st_mode & S_IFMT) { case S_IFLNK: { char linkto[256]; ssize_t len; @@ -301,7 +298,9 @@ static int listfile_maclabel(const char *path, int flags) static int listfile(const char *dirname, const char *filename, int flags) { - if ((flags & (LIST_LONG | LIST_SIZE | LIST_CLASSIFY | LIST_MACLABEL)) == 0) { + struct stat s; + + if ((flags & (LIST_LONG | LIST_SIZE | LIST_CLASSIFY | LIST_MACLABEL | LIST_INODE)) == 0) { printf("%s\n", filename); return 0; } @@ -316,12 +315,20 @@ static int listfile(const char *dirname, const char *filename, int flags) pathname = filename; } + if(lstat(pathname, &s) < 0) { + return -1; + } + + if(flags & LIST_INODE) { + printf("%8llu ", s.st_ino); + } + if ((flags & LIST_MACLABEL) != 0) { - return listfile_maclabel(pathname, flags); + return listfile_maclabel(pathname, &s, flags); } else if ((flags & LIST_LONG) != 0) { - return listfile_long(pathname, flags); + return listfile_long(pathname, &s, flags); } else /*((flags & LIST_SIZE) != 0)*/ { - return listfile_size(pathname, filename, flags); + return listfile_size(pathname, filename, &s, flags); } } @@ -456,6 +463,7 @@ int ls_main(int argc, char **argv) case 'Z': flags |= LIST_MACLABEL; break; case 'a': flags |= LIST_ALL; break; case 'F': flags |= LIST_CLASSIFY; break; + case 'i': flags |= LIST_INODE; break; default: fprintf(stderr, "%s: Unknown option '-%c'. Aborting.\n", "ls", arg[0]); exit(1); diff --git a/toolbox/mount.c b/toolbox/mount.c index b7adce2..bcda2a2 100644 --- a/toolbox/mount.c +++ b/toolbox/mount.c @@ -19,7 +19,7 @@ #define LOOPDEV_MAXLEN 64 struct mount_opts { - const char str[8]; + const char str[16]; unsigned long rwmask; unsigned long rwset; unsigned long rwnoset; @@ -65,10 +65,11 @@ static const struct mount_opts options[] = { static void add_extra_option(struct extra_opts *extra, char *s) { int len = strlen(s); - int newlen = extra->used_size + len; + int newlen; if (extra->str) len++; /* +1 for ',' */ + newlen = extra->used_size + len; if (newlen >= extra->alloc_size) { char *new; @@ -79,7 +80,7 @@ static void add_extra_option(struct extra_opts *extra, char *s) extra->str = new; extra->end = extra->str + extra->used_size; - extra->alloc_size = newlen; + extra->alloc_size = newlen + 1; } if (extra->used_size) { |