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https://github.com/rofl0r/proxychains-ng.git
synced 2024-10-31 17:18:47 +00:00
remove THREAD_SAFE ifdefs. from now on, pthreads are required.
additionally we have some explicit init and deinit routines for core.c now, so that we dont need to share variables with libproxychains.c.
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commit
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2
Makefile
2
Makefile
@ -17,7 +17,7 @@ SRCS = $(sort $(wildcard src/*.c))
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OBJS = $(SRCS:.c=.o)
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LOBJS = src/core.o src/common.o src/libproxychains.o src/shm.o src/allocator_thread.o src/ip_type.o
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CFLAGS += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe -DTHREAD_SAFE
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CFLAGS += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe
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LDFLAGS = -shared -fPIC -Wl,--no-as-needed -ldl -lpthread
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INC =
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PIC = -fPIC
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12
src/core.c
12
src/core.c
@ -34,10 +34,8 @@
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#include <sys/time.h>
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#include <stdarg.h>
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#include <assert.h>
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#ifdef THREAD_SAFE
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#include <pthread.h>
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#include "mutex.h"
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pthread_mutex_t hostdb_lock;
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#endif
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#include "core.h"
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#include "common.h"
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@ -692,6 +690,14 @@ int connect_proxy_chain(int sock, ip_type target_ip,
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return -1;
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}
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void core_initialize(void) {
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MUTEX_INIT(&hostdb_lock);
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}
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void core_unload(void) {
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MUTEX_DESTROY(&hostdb_lock);
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}
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static void gethostbyname_data_setstring(struct gethostbyname_data* data, char* name) {
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snprintf(data->addr_name, sizeof(data->addr_name), "%s", name);
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data->hostent_space.h_name = data->addr_name;
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@ -28,11 +28,6 @@
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#include "ip_type.h"
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#ifdef THREAD_SAFE
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#include "mutex.h"
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extern pthread_mutex_t hostdb_lock;
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#endif
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/*error codes*/
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typedef enum {
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SUCCESS=0,
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@ -121,6 +116,9 @@ void proxy_freeaddrinfo(struct addrinfo *res);
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void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes);
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void core_initialize(void);
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void core_unload(void);
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#include "debug.h"
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#endif
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@ -32,6 +32,7 @@
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <pthread.h>
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#include "core.h"
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@ -64,9 +65,8 @@ localaddr_arg localnet_addr[MAX_LOCALNET];
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size_t num_localnet_addr = 0;
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unsigned int remote_dns_subnet = 224;
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#ifdef THREAD_SAFE
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pthread_once_t init_once = PTHREAD_ONCE_INIT;
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#endif
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static int init_l = 0;
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static inline void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_type * ct);
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@ -97,7 +97,7 @@ static void* load_sym(char* symname, void* proxyfunc) {
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static void do_init(void) {
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srand(time(NULL));
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MUTEX_INIT(&hostdb_lock);
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core_initialize();
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at_init();
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/* read the config file */
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@ -115,18 +115,23 @@ static void do_init(void) {
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init_l = 1;
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}
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#if 0
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/* FIXME this is currently unused.
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* it is not strictly needed.
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* maybe let it be called by a gcc destructor, if that doesnt
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* have negative consequences (e.g. when a child calles exit) */
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static void unload(void) {
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at_close();
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core_unload();
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}
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#endif
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static void init_lib_wrapper(const char* caller) {
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#ifndef DEBUG
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(void) caller;
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#endif
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#ifndef THREAD_SAFE
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if(init_l) return;
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PDEBUG("%s called from %s\n", __FUNCTION__, caller);
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do_init();
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#else
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if(!init_l) PDEBUG("%s called from %s\n", __FUNCTION__, caller);
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pthread_once(&init_once, do_init);
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#endif
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}
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/* if we use gcc >= 3, we can instruct the dynamic loader
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