diff options
Diffstat (limited to 'frida_mode/src')
-rw-r--r-- | frida_mode/src/complog/complog.c | 3 | ||||
-rw-r--r-- | frida_mode/src/complog/complog_x64.c | 50 | ||||
-rw-r--r-- | frida_mode/src/instrument/instrument.c | 9 | ||||
-rw-r--r-- | frida_mode/src/interceptor.c | 2 | ||||
-rw-r--r-- | frida_mode/src/main.c | 7 | ||||
-rw-r--r-- | frida_mode/src/persistent/persistent.c | 3 | ||||
-rw-r--r-- | frida_mode/src/persistent/persistent_x64.c | 2 | ||||
-rw-r--r-- | frida_mode/src/ranges.c | 19 |
8 files changed, 50 insertions, 45 deletions
diff --git a/frida_mode/src/complog/complog.c b/frida_mode/src/complog/complog.c index 3b679a5c..1857ea3b 100644 --- a/frida_mode/src/complog/complog.c +++ b/frida_mode/src/complog/complog.c @@ -2,6 +2,7 @@ #include "debug.h" #include "cmplog.h" +#include "util.h" extern struct cmp_map *__afl_cmp_map; @@ -10,8 +11,10 @@ static GArray *complog_ranges = NULL; static gboolean complog_range(const GumRangeDetails *details, gpointer user_data) { + UNUSED_PARAMETER(user_data); GumMemoryRange range = *details->range; g_array_append_val(complog_ranges, range); + return TRUE; } diff --git a/frida_mode/src/complog/complog_x64.c b/frida_mode/src/complog/complog_x64.c index 253ec041..28010e7f 100644 --- a/frida_mode/src/complog/complog_x64.c +++ b/frida_mode/src/complog/complog_x64.c @@ -4,6 +4,7 @@ #include "cmplog.h" #include "complog.h" +#include "util.h" #if defined(__x86_64__) @@ -148,7 +149,27 @@ static guint64 complog_read_mem(GumX64CpuContext *ctx, x86_op_mem *mem) { } -static void complog_handle_call(GumCpuContext *context, guint64 target) { +static guint64 cmplog_get_operand_value(GumCpuContext *context, + complog_ctx_t *ctx) { + + switch (ctx->type) { + + case X86_OP_REG: + return complog_read_reg(context, ctx->reg); + case X86_OP_IMM: + return ctx->imm; + case X86_OP_MEM: + return complog_read_mem(context, &ctx->mem); + default: + FATAL("Invalid operand type: %d\n", ctx->type); + + } + +} + +static void complog_call_callout(GumCpuContext *context, gpointer user_data) { + + UNUSED_PARAMETER(user_data); guint64 address = complog_read_reg(context, X86_REG_RIP); guint64 rdi = complog_read_reg(context, X86_REG_RDI); @@ -179,33 +200,6 @@ static void complog_handle_call(GumCpuContext *context, guint64 target) { } -static guint64 cmplog_get_operand_value(GumCpuContext *context, - complog_ctx_t *ctx) { - - switch (ctx->type) { - - case X86_OP_REG: - return complog_read_reg(context, ctx->reg); - case X86_OP_IMM: - return ctx->imm; - case X86_OP_MEM: - return complog_read_mem(context, &ctx->mem); - default: - FATAL("Invalid operand type: %d\n", ctx->type); - - } - -} - -static void complog_call_callout(GumCpuContext *context, gpointer user_data) { - - complog_ctx_t *ctx = (complog_ctx_t *)user_data; - - guint64 target = cmplog_get_operand_value(context, ctx); - complog_handle_call(context, target); - -} - static void complog_instrument_put_operand(complog_ctx_t *ctx, cs_x86_op * operand) { diff --git a/frida_mode/src/instrument/instrument.c b/frida_mode/src/instrument/instrument.c index 81080bee..3806136a 100644 --- a/frida_mode/src/instrument/instrument.c +++ b/frida_mode/src/instrument/instrument.c @@ -11,17 +11,18 @@ #include "prefetch.h" #include "ranges.h" #include "stalker.h" +#include "util.h" static gboolean tracing = false; static gboolean optimize = false; -static gboolean strict = false; static GumStalkerTransformer *transformer = NULL; -uint64_t __thread previous_pc = 0; +__thread uint64_t previous_pc = 0; __attribute__((hot)) static void on_basic_block(GumCpuContext *context, gpointer user_data) { + UNUSED_PARAMETER(context); /* * This function is performance critical as it is called to instrument every * basic block. By moving our print buffer to a global, we avoid it affecting @@ -44,7 +45,7 @@ __attribute__((hot)) static void on_basic_block(GumCpuContext *context, "x, previous_pc: 0x%016" G_GINT64_MODIFIER "x\n", current_pc, previous_pc); - write(STDOUT_FILENO, buffer, len + 1); + IGNORED_RERURN(write(STDOUT_FILENO, buffer, len + 1)); } @@ -72,6 +73,8 @@ __attribute__((hot)) static void on_basic_block(GumCpuContext *context, static void instr_basic_block(GumStalkerIterator *iterator, GumStalkerOutput *output, gpointer user_data) { + UNUSED_PARAMETER(user_data); + const cs_insn *instr; gboolean begin = TRUE; while (gum_stalker_iterator_next(iterator, &instr)) { diff --git a/frida_mode/src/interceptor.c b/frida_mode/src/interceptor.c index 8d41b075..d2802752 100644 --- a/frida_mode/src/interceptor.c +++ b/frida_mode/src/interceptor.c @@ -10,7 +10,7 @@ void intercept(void *address, gpointer replacement, gpointer user_data) { gum_interceptor_begin_transaction(interceptor); GumReplaceReturn ret = gum_interceptor_replace(interceptor, address, replacement, user_data); - if (ret != GUM_ATTACH_OK) { FATAL("gum_interceptor_attach: %d", ret); } + if (ret != GUM_REPLACE_OK) { FATAL("gum_interceptor_attach: %d", ret); } gum_interceptor_end_transaction(interceptor); } diff --git a/frida_mode/src/main.c b/frida_mode/src/main.c index f712a8c0..11cf041c 100644 --- a/frida_mode/src/main.c +++ b/frida_mode/src/main.c @@ -21,6 +21,7 @@ #include "prefetch.h" #include "ranges.h" #include "stalker.h" +#include "util.h" #ifdef __APPLE__ extern mach_port_t mach_task_self(); @@ -36,8 +37,6 @@ typedef int *(*main_fn_t)(int argc, char **argv, char **envp); static main_fn_t main_fn = NULL; -static GumMemoryRange code_range = {0}; - extern void __afl_manual_init(); static int on_fork(void) { @@ -55,6 +54,8 @@ static void on_main_os(int argc, char **argv, char **envp) { #else static void on_main_os(int argc, char **argv, char **envp) { + UNUSED_PARAMETER(argc); + /* Personality doesn't affect the current process, it only takes effect on * evec */ int persona = personality(ADDR_NO_RANDOMIZE); @@ -97,7 +98,7 @@ static int *on_main(int argc, char **argv, char **envp) { /* Child here */ previous_pc = 0; stalker_resume(); - main_fn(argc, argv, envp); + return main_fn(argc, argv, envp); } diff --git a/frida_mode/src/persistent/persistent.c b/frida_mode/src/persistent/persistent.c index 34e4093e..fe3a1d20 100644 --- a/frida_mode/src/persistent/persistent.c +++ b/frida_mode/src/persistent/persistent.c @@ -9,6 +9,9 @@ #include "util.h" int __afl_sharedmem_fuzzing = 0; +afl_persistent_hook_fn hook = NULL; +guint64 persistent_start = 0; +guint64 persistent_count = 0; void persistent_init(void) { diff --git a/frida_mode/src/persistent/persistent_x64.c b/frida_mode/src/persistent/persistent_x64.c index 0cabbf24..5b8493b2 100644 --- a/frida_mode/src/persistent/persistent_x64.c +++ b/frida_mode/src/persistent/persistent_x64.c @@ -231,7 +231,7 @@ static int instrument_afl_persistent_loop_func(void) { } -static int instrument_afl_persistent_loop(GumX86Writer *cw) { +static void instrument_afl_persistent_loop(GumX86Writer *cw) { gum_x86_writer_put_lea_reg_reg_offset(cw, GUM_REG_RSP, GUM_REG_RSP, -(GUM_RED_ZONE_SIZE)); diff --git a/frida_mode/src/ranges.c b/frida_mode/src/ranges.c index 6fcbd258..e3f09f9e 100644 --- a/frida_mode/src/ranges.c +++ b/frida_mode/src/ranges.c @@ -5,6 +5,7 @@ #include "lib.h" #include "ranges.h" #include "stalker.h" +#include "util.h" #define MAX_RANGES 20 @@ -167,6 +168,7 @@ gint range_sort(gconstpointer a, gconstpointer b) { static gboolean print_ranges_callback(const GumRangeDetails *details, gpointer user_data) { + UNUSED_PARAMETER(user_data); if (details->file == NULL) { OKF("MAP - 0x%016" G_GINT64_MODIFIER "x - 0x%016" G_GINT64_MODIFIER "X", @@ -190,7 +192,7 @@ static gboolean print_ranges_callback(const GumRangeDetails *details, static void print_ranges(char *key, GArray *ranges) { OKF("Range: %s Length: %d", key, ranges->len); - for (int i = 0; i < ranges->len; i++) { + for (guint i = 0; i < ranges->len; i++) { GumMemoryRange *curr = &g_array_index(ranges, GumMemoryRange, i); GumAddress curr_limit = curr->base_address + curr->size; @@ -345,10 +347,10 @@ static GArray *intersect_ranges(GArray *a, GArray *b) { result = g_array_new(false, false, sizeof(GumMemoryRange)); - for (int i = 0; i < a->len; i++) { + for (guint i = 0; i < a->len; i++) { ra = &g_array_index(a, GumMemoryRange, i); - for (int j = 0; j < b->len; j++) { + for (guint j = 0; j < b->len; j++) { rb = &g_array_index(b, GumMemoryRange, j); @@ -377,11 +379,11 @@ static GArray *subtract_ranges(GArray *a, GArray *b) { result = g_array_new(false, false, sizeof(GumMemoryRange)); - for (int i = 0; i < a->len; i++) { + for (guint i = 0; i < a->len; i++) { ra = &g_array_index(a, GumMemoryRange, i); ral = ra->base_address + ra->size; - for (int j = 0; j < b->len; j++) { + for (guint j = 0; j < b->len; j++) { rb = &g_array_index(b, GumMemoryRange, j); @@ -453,7 +455,7 @@ static GArray *merge_ranges(GArray *a) { rp = g_array_index(a, GumMemoryRange, 0); - for (int i = 1; i < a->len; i++) { + for (guint i = 1; i < a->len; i++) { r = &g_array_index(a, GumMemoryRange, i); @@ -535,7 +537,7 @@ void ranges_init(void) { stalker = stalker_get(); - for (int i = 0; i < ranges->len; i++) { + for (guint i = 0; i < ranges->len; i++) { r = &g_array_index(ranges, GumMemoryRange, i); gum_stalker_exclude(stalker, r); @@ -551,12 +553,11 @@ void ranges_init(void) { gboolean range_is_excluded(gpointer address) { - int i; GumAddress test = GUM_ADDRESS(address); if (ranges == NULL) { return false; } - for (i = 0; i < ranges->len; i++) { + for (guint i = 0; i < ranges->len; i++) { GumMemoryRange *curr = &g_array_index(ranges, GumMemoryRange, i); GumAddress curr_limit = curr->base_address + curr->size; |