R_API int r_socket_spawn (RSocket *s, const char *cmd, unsigned int timeout) {
// XXX TODO: dont use sockets, we can achieve the same with pipes
const int port = 2000 + r_num_rand (2000);
int childPid = r_sys_fork();
if (childPid == 0) {
char *a = r_str_replace (strdup (cmd), "\\", "\\\\", true);
r_sys_cmdf ("rarun2 system=\"%s\" listen=%d", a, port);
free (a);
#if 0
// TODO: use the api
char *profile = r_str_newf (
"system=%s\n"
"listen=%d\n", cmd, port);
RRunProfile *rp = r_run_new (profile);
r_run_start (rp);
r_run_free (rp);
free (profile);
#endif
eprintf ("r_socket_spawn: %s is dead\n", cmd);
exit (0);
}
r_sys_sleep (1);
r_sys_usleep (timeout);
char aport[32];
sprintf (aport, "%d", port);
// redirect stdin/stdout/stderr
return r_socket_connect (s, "127.0.0.1", aport, R_SOCKET_PROTO_TCP, 2000);
}
int main(int argc, char **argv) {
char *file;
RRunProfile *p;
int i, ret;
if (argc==1 || !strcmp (argv[1], "-h")) {
eprintf ("Usage: rarun2 [-v] [script.rr2] [directive ..]\n");
printf ("%s", r_run_help ());
return 1;
}
if (!strcmp (argv[1], "-v")) {
printf ("rarun2 "R2_VERSION"\n");
return 0;
}
file = argv[1];
if (*file && !strchr (file, '=')) {
p = r_run_new (file);
} else {
p = r_run_new (NULL);
for (i = *file?1:2; i<argc; i++)
r_run_parseline (p, argv[i]);
}
if (!p)
return 1;
ret = r_run_start (p);
r_run_free (p);
return ret;
}
static RRunProfile* _get_run_profile(RIO *io, int bits, char **argv) {
char *expr = NULL;
int i;
RRunProfile *rp = r_run_new (NULL);
if (!rp) {
return NULL;
}
for (i = 0; argv[i]; i++) {
rp->_args[i] = argv[i];
}
rp->_args[i] = NULL;
if (!argv[0]) {
r_run_free (rp);
return NULL;
}
rp->_program = strdup (argv[0]);
rp->_dodebug = true;
if (io->runprofile && *io->runprofile) {
if (!r_run_parsefile (rp, io->runprofile)) {
eprintf ("Can't find profile '%s'\n", io->runprofile);
r_run_free (rp);
return NULL;
}
if (strstr (io->runprofile, R_SYS_DIR ".rarun2.")) {
(void)r_file_rm (io->runprofile);
}
}
if (bits == 64) {
r_run_parseline (rp, expr=strdup ("bits=64"));
} else if (bits == 32) {
r_run_parseline (rp, expr=strdup ("bits=32"));
}
free (expr);
if (r_run_config_env (rp)) {
eprintf ("Can't config the environment.\n");
r_run_free (rp);
return NULL;
}
return rp;
}
int main(int argc, char **argv) {
char *file;
RRunProfile *p;
int i, ret;
if (argc == 1 || !strcmp (argv[1], "-h")) {
eprintf ("Usage: rarun2 [-v] [script.rr2] [directive ..]\n");
printf ("%s", r_run_help ());
return 1;
}
if (!strcmp (argv[1], "-v")) {
printf ("rarun2 "R2_VERSION"\n");
return 0;
}
file = argv[1];
if (*file && !strchr (file, '=')) {
p = r_run_new (file);
} else {
bool noMoreDirectives = false;
int directiveIndex = 0;
p = r_run_new (NULL);
for (i = *file ? 1 : 2; i < argc; i++) {
if (!strcmp (argv[i], "--")) {
noMoreDirectives = true;
continue;
}
if (noMoreDirectives) {
const char *word = argv[i];
char *line = directiveIndex
? r_str_newf ("arg%d=%s", directiveIndex, word)
: r_str_newf ("program=%s", word);
r_run_parseline (p, line);
directiveIndex ++;
free (line);
} else {
r_run_parseline (p, argv[i]);
}
}
}
if (!p) return 1;
ret = r_run_config_env (p);
if (ret) {
printf("error while configuring the environment.\n");
return 1;
}
ret = r_run_start (p);
r_run_free (p);
return ret;
}
R_API bool r_socket_spawn(RSocket *s, const char *cmd, unsigned int timeout) {
// XXX TODO: dont use sockets, we can achieve the same with pipes
const int port = 2000 + r_num_rand (2000);
int childPid = r_sys_fork ();
if (childPid == 0) {
char *a = r_str_replace (strdup (cmd), "\\", "\\\\", true);
int res = r_sys_cmdf ("rarun2 system=\"%s\" listen=%d", a, port);
free (a);
#if 0
// TODO: use the api
char *profile = r_str_newf (
"system=%s\n"
"listen=%d\n", cmd, port);
RRunProfile *rp = r_run_new (profile);
r_run_start (rp);
r_run_free (rp);
free (profile);
#endif
if (res != 0) {
eprintf ("r_socket_spawn: rarun2 failed\n");
exit (1);
}
eprintf ("r_socket_spawn: %s is dead\n", cmd);
exit (0);
}
r_sys_sleep (1);
r_sys_usleep (timeout);
char aport[32];
sprintf (aport, "%d", port);
// redirect stdin/stdout/stderr
bool sock = r_socket_connect (s, "127.0.0.1", aport, R_SOCKET_PROTO_TCP, 2000);
if (!sock) {
return false;
}
#if __UNIX__
r_sys_sleep (4);
r_sys_usleep (timeout);
int status = 0;
int ret = waitpid (childPid, &status, WNOHANG);
if (ret != 0) {
r_socket_close (s);
return false;
}
#endif
return true;
}
static void fork_child_callback(void *user) {
fork_child_data *data = user;
if (data->runprofile) {
char **argv = r_str_argv (data->cmd, NULL);
if (!argv) {
exit (1);
}
RRunProfile *rp = _get_run_profile (data->io, data->bits, argv);
if (!rp) {
r_str_argv_free (argv);
exit (1);
}
trace_me ();
r_run_start (rp);
r_run_free (rp);
r_str_argv_free (argv);
exit (1);
} else {
char *_cmd = data->io->args ?
r_str_appendf (strdup (data->cmd), " %s", data->io->args) :
strdup (data->cmd);
trace_me ();
char **argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return;
}
if (argv && *argv) {
int i;
for (i = 3; i < 1024; i++) {
(void)close (i);
}
for (i = 0; argv[i]; i++) {
r_str_arg_unescape (argv[i]);
}
if (execvp (argv[0], argv) == -1) {
eprintf ("Could not execvp: %s\n", strerror (errno));
exit (MAGIC_EXIT);
}
} else {
eprintf ("Invalid execvp\n");
}
r_str_argv_free (argv);
free (_cmd);
}
}
// __UNIX__ (not windows)
static int fork_and_ptraceme_for_mac(RIO *io, int bits, const char *cmd) {
bool runprofile = io->runprofile && *(io->runprofile);
pid_t p = -1;
char **argv;
posix_spawn_file_actions_t fileActions;
ut32 ps_flags = POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK;
sigset_t no_signals;
sigset_t all_signals;
size_t copied = 1;
cpu_type_t cpu = CPU_TYPE_ANY;
posix_spawnattr_t attr = {0};
posix_spawnattr_init (&attr);
sigemptyset (&no_signals);
sigfillset (&all_signals);
posix_spawnattr_setsigmask (&attr, &no_signals);
posix_spawnattr_setsigdefault (&attr, &all_signals);
posix_spawn_file_actions_init (&fileActions);
posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);
ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
ps_flags |= POSIX_SPAWN_START_SUSPENDED;
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
if (!runprofile) {
int ret, useASLR = io->aslr;
char *_cmd = io->args
? r_str_appendf (strdup (cmd), " %s", io->args)
: strdup (cmd);
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (!*argv) {
r_str_argv_free (argv);
free (_cmd);
eprintf ("Invalid execvp\n");
return -1;
}
if (useASLR != -1) {
if (!useASLR) {
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
}
(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __x86_64__
if (bits == 32) {
cpu = CPU_TYPE_I386;
// cpu |= CPU_ARCH_ABI64;
}
#endif
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
{
char *dst = r_file_readlink (argv[0]);
if (dst) {
argv[0] = dst;
}
}
// XXX: this is a workaround to fix spawning programs with spaces in path
if (strstr (argv[0], "\\ ")) {
argv[0] = r_str_replace (argv[0], "\\ ", " ", true);
}
ret = posix_spawnp (&p, argv[0], &fileActions, &attr, argv, NULL);
handle_posix_error (ret);
posix_spawn_file_actions_destroy (&fileActions);
r_str_argv_free (argv);
free (_cmd);
return p;
}
int ret;
argv = r_str_argv (cmd, NULL);
if (!argv) {
posix_spawn_file_actions_destroy (&fileActions);
return -1;
}
RRunProfile *rp = _get_run_profile (io, bits, argv);
if (!rp) {
r_str_argv_free (argv);
posix_spawn_file_actions_destroy (&fileActions);
return -1;
}
handle_posix_redirection (rp, &fileActions);
if (rp->_args[0]) {
if (!rp->_aslr) {
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
#if __x86_64__
if (rp->_bits == 32) {
cpu = CPU_TYPE_I386;
}
#endif
(void)posix_spawnattr_setflags (&attr, ps_flags);
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
ret = posix_spawnp (&p, rp->_args[0], &fileActions, &attr, rp->_args, NULL);
handle_posix_error (ret);
}
r_str_argv_free (argv);
r_run_free (rp);
posix_spawn_file_actions_destroy (&fileActions);
return p; // -1 ?
}
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
char **argv;
int ret, status, pid = r_sys_fork ();
switch (pid) {
case -1:
perror ("fork_and_ptraceme");
break;
case 0:
#if __APPLE__
signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
signal (SIGABRT, inferior_abort_handler);
if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
r_sys_perror ("ptrace-traceme");
exit (MAGIC_EXIT);
}
if (io->runprofile && *(io->runprofile)) {
char *expr = NULL;
int i;
RRunProfile *rp = r_run_new (NULL);
argv = r_str_argv (cmd, NULL);
for (i=0; argv[i]; i++) {
rp->_args[i] = argv[i];
}
rp->_args[i] = NULL;
rp->_program = argv[0];
if (io->runprofile && *io->runprofile) {
if (!r_run_parsefile (rp, io->runprofile)) {
eprintf ("Can't find profile '%s'\n", io->runprofile);
exit (MAGIC_EXIT);
}
}
if (bits==64)
r_run_parseline (rp, expr=strdup ("bits=64"));
else if (bits==32)
r_run_parseline (rp, expr=strdup ("bits=32"));
free (expr);
r_run_start (rp);
r_run_free (rp);
// double free wtf
// r_str_argv_free (argv);
exit (1);
} else {
// TODO: Add support to redirect filedescriptors
// TODO: Configure process environment
char *_cmd = strdup (cmd);
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
#if __APPLE__
{
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
ut32 ps_flags = POSIX_SPAWN_SETEXEC;
posix_spawnattr_t attr = {0};
size_t copied = 1;
cpu_type_t cpu;
pid_t p = -1;
int ret;
int useASLR = 1;
posix_spawnattr_init (&attr);
if (useASLR != -1) {
if (useASLR) {
// enable aslr if not enabled? really?
} else {
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
}
(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __i386__ || __x86_64__
cpu = CPU_TYPE_I386;
if (bits == 64)
cpu |= CPU_ARCH_ABI64;
#else
cpu = CPU_TYPE_ANY;
#endif
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
ret = posix_spawnp (&p, argv[0], NULL, &attr, argv, NULL);
switch (ret) {
case 0:
eprintf ("Success\n");
break;
case 22:
eprintf ("posix_spawnp: Invalid argument\n");
break;
case 86:
eprintf ("Unsupported architecture\n");
break;
default:
eprintf ("posix_spawnp: unknown error %d\n", ret);
perror ("posix_spawnp");
break;
}
/* only required if no SETEXEC called
if (p != -1)
wait (p);
*/
exit (MAGIC_EXIT); /* error */
}
#else
if (argv && *argv) {
execvp (argv[0], argv);
} else {
eprintf ("Invalid execvp\n");
}
#endif
free (_cmd);
}
perror ("fork_and_attach: execv");
//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
exit (MAGIC_EXIT); /* error */
return 0; // invalid pid // if exit is overriden.. :)
default:
/* XXX: clean this dirty code */
do {
ret = wait (&status);
if (ret == -1)
return -1;
if (ret != pid)
eprintf ("Wait event received by different pid %d\n", ret);
} while (ret!=pid);
if (WIFSTOPPED (status))
eprintf ("Process with PID %d started...\n", (int)pid);
if (WEXITSTATUS (status) == MAGIC_EXIT)
pid = -1;
// XXX kill (pid, SIGSTOP);
break;
}
eprintf ("PID = %d\n", pid);
return pid;
}
#endif
static int __plugin_open(RIO *io, const char *file, ut8 many) {
if (!strncmp (file, "dbg://", 6) && file[6])
return R_TRUE;
return R_FALSE;
}
static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
char uri[128];
if (__plugin_open (io, file, 0)) {
const char *pidfile = file + 6;
char *endptr;
int pid = (int)strtol (pidfile, &endptr, 10);
if (endptr == pidfile || pid < 0) pid = -1;
if (pid == -1) {
pid = fork_and_ptraceme (io, io->bits, file+6);
if (pid == -1)
return NULL;
#if __WINDOWS__
sprintf (uri, "w32dbg://%d", pid);
#elif __APPLE__
sprintf (uri, "mach://%d", pid);
#else
// TODO: use io_procpid here? faster or what?
sprintf (uri, "ptrace://%d", pid);
#endif
my_io_redirect (io, file, uri);
} else {
sprintf (uri, "attach://%d", pid);
my_io_redirect (io, file, uri);
}
return NULL;
}
my_io_redirect (io, file, NULL);
return NULL;
}
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
bool runprofile = io->runprofile && *(io->runprofile);
char **argv;
#if __APPLE__ && !__POWERPC__
pid_t p = -1;
posix_spawn_file_actions_t fileActions;
ut32 ps_flags = POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK;
sigset_t no_signals;
sigset_t all_signals;
size_t copied = 1;
cpu_type_t cpu = CPU_TYPE_ANY;
posix_spawnattr_t attr = {0};
posix_spawnattr_init (&attr);
sigemptyset (&no_signals);
sigfillset (&all_signals);
posix_spawnattr_setsigmask (&attr, &no_signals);
posix_spawnattr_setsigdefault (&attr, &all_signals);
posix_spawn_file_actions_init (&fileActions);
posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);
ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
ps_flags |= POSIX_SPAWN_START_SUSPENDED;
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
if (!runprofile) {
int ret, useASLR = io->aslr;
char *_cmd = io->args
? r_str_appendf (strdup (cmd), " %s", io->args)
: strdup (cmd);
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (!*argv) {
r_str_argv_free (argv);
free (_cmd);
eprintf ("Invalid execvp\n");
return -1;
}
if (useASLR != -1) {
if (!useASLR) {
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
}
(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __x86_64__
if (bits == 32) {
cpu = CPU_TYPE_I386;
// cpu |= CPU_ARCH_ABI64;
}
#endif
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
{
char *dst = r_file_readlink (argv[0]);
if (dst) {
argv[0] = dst;
}
}
ret = posix_spawnp (&p, argv[0], NULL, &attr, argv, NULL);
handle_posix_error (ret);
posix_spawn_file_actions_destroy (&fileActions);
r_str_argv_free (argv);
free (_cmd);
return p;
} else {
int ret;
argv = r_str_argv (cmd, NULL);
if (!argv) {
posix_spawn_file_actions_destroy (&fileActions);
return -1;
}
RRunProfile *rp = _get_run_profile (io, bits, argv);
if (!rp) {
r_str_argv_free (argv);
posix_spawn_file_actions_destroy (&fileActions);
return -1;
}
handle_posix_redirection (rp, &fileActions);
if (rp->_args[0]) {
if (!rp->_aslr) {
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
#if __x86_64__
if (rp->_bits == 32) {
cpu = CPU_TYPE_I386;
}
#endif
(void)posix_spawnattr_setflags (&attr, ps_flags);
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
ret = posix_spawnp (&p, rp->_args[0], &fileActions, &attr, rp->_args, NULL);
handle_posix_error (ret);
}
r_str_argv_free (argv);
r_run_free (rp);
posix_spawn_file_actions_destroy (&fileActions);
return p;
}
posix_spawn_file_actions_destroy (&fileActions);
return -1;
#endif
int ret, status, child_pid;
child_pid = r_sys_fork ();
switch (child_pid) {
case -1:
perror ("fork_and_ptraceme");
break;
case 0:
if (runprofile) {
argv = r_str_argv (cmd, NULL);
if (!argv) {
exit(1);
}
RRunProfile *rp = _get_run_profile (io, bits, argv);
if (!rp) {
r_str_argv_free (argv);
exit (1);
}
trace_me ();
r_run_start (rp);
r_run_free (rp);
r_str_argv_free (argv);
exit (1);
} else {
char *_cmd = io->args ?
r_str_appendf (strdup (cmd), " %s", io->args) :
strdup (cmd);
trace_me ();
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (argv && *argv) {
int i;
for (i = 3; i < 1024; i++)
(void)close (i);
execvp (argv[0], argv);
} else {
eprintf ("Invalid execvp\n");
}
r_str_argv_free (argv);
free (_cmd);
}
perror ("fork_and_attach: execv");
//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
exit (MAGIC_EXIT); /* error */
return 0; // invalid pid // if exit is overriden.. :)
default:
/* XXX: clean this dirty code */
do {
ret = wait (&status);
if (ret == -1) return -1;
if (ret != child_pid) {
eprintf ("Wait event received by "
"different pid %d\n", ret);
}
} while (ret != child_pid);
if (WIFSTOPPED (status)) {
eprintf ("Process with PID %d started...\n", (int)child_pid);
}
if (WEXITSTATUS (status) == MAGIC_EXIT) {
child_pid = -1;
}
// XXX kill (pid, SIGSTOP);
break;
}
return child_pid;
}
static void trace_me () {
#if __APPLE__
signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
signal (SIGABRT, inferior_abort_handler);
if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
r_sys_perror ("ptrace-traceme");
exit (MAGIC_EXIT);
}
}
void handle_posix_error(int err) {
switch (err) {
case 0:
// eprintf ("Success\n");
break;
case 22:
eprintf ("posix_spawnp: Invalid argument\n");
break;
case 86:
eprintf ("Unsupported architecture. Please specify -b 32\n");
break;
default:
eprintf ("posix_spawnp: unknown error %d\n", err);
perror ("posix_spawnp");
break;
}
}
static RRunProfile* _get_run_profile(RIO *io, int bits, char **argv) {
char *expr = NULL;
int i;
RRunProfile *rp = r_run_new (NULL);
if (!rp) {
return NULL;
}
for (i = 0; argv[i]; i++) {
rp->_args[i] = argv[i];
}
rp->_args[i] = NULL;
rp->_program = strdup (argv[0]);
rp->_dodebug = true;
if (io->runprofile && *io->runprofile) {
if (!r_run_parsefile (rp, io->runprofile)) {
eprintf ("Can't find profile '%s'\n", io->runprofile);
r_run_free (rp);
return NULL;
}
if (strstr (io->runprofile, R_SYS_DIR ".rarun2.")) {
(void)r_file_rm (io->runprofile);
}
}
if (bits == 64) {
r_run_parseline (rp, expr=strdup ("bits=64"));
} else if (bits == 32) {
r_run_parseline (rp, expr=strdup ("bits=32"));
}
free (expr);
if (r_run_config_env (rp)) {
eprintf ("Can't config the environment.\n");
r_run_free (rp);
return NULL;
}
return rp;
}
static void trace_me () {
#if __APPLE__
signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
signal (SIGABRT, inferior_abort_handler);
if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
r_sys_perror ("ptrace-traceme");
exit (MAGIC_EXIT);
}
}
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
bool runprofile = io->runprofile && *(io->runprofile);
char **argv;
#if __APPLE__ && !__POWERPC__
if (!runprofile) {
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
posix_spawn_file_actions_t fileActions;
ut32 ps_flags = POSIX_SPAWN_SETSIGDEF |
POSIX_SPAWN_SETSIGMASK;
sigset_t no_signals;
sigset_t all_signals;
sigemptyset (&no_signals);
sigfillset (&all_signals);
posix_spawnattr_t attr = {0};
size_t copied = 1;
cpu_type_t cpu;
pid_t p = -1;
int ret, useASLR = io->aslr;
char *_cmd = io->args ?
r_str_concatf (strdup (cmd), " %s", io->args) :
strdup (cmd);
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (!*argv) {
r_str_argv_free (argv);
free (_cmd);
eprintf ("Invalid execvp\n");
return -1;
}
posix_spawnattr_init (&attr);
if (useASLR != -1) {
if (!useASLR) ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
}
posix_spawn_file_actions_init (&fileActions);
posix_spawn_file_actions_addinherit_np (&fileActions, STDIN_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDOUT_FILENO);
posix_spawn_file_actions_addinherit_np (&fileActions, STDERR_FILENO);
ps_flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
ps_flags |= POSIX_SPAWN_START_SUSPENDED;
posix_spawnattr_setsigmask(&attr, &no_signals);
posix_spawnattr_setsigdefault(&attr, &all_signals);
(void)posix_spawnattr_setflags (&attr, ps_flags);
#if __i386__ || __x86_64__
cpu = CPU_TYPE_I386;
if (bits == 64) cpu |= CPU_ARCH_ABI64;
#else
cpu = CPU_TYPE_ANY;
#endif
posix_spawnattr_setbinpref_np (&attr, 1, &cpu, &copied);
{
char *dst = r_file_readlink (argv[0]);
if (dst) {
argv[0] = dst;
}
}
ret = posix_spawnp (&p, argv[0], &fileActions, &attr, argv, NULL);
switch (ret) {
case 0:
// eprintf ("Success\n");
break;
case 22:
eprintf ("posix_spawnp: Invalid argument\n");
break;
case 86:
eprintf ("Unsupported architecture\n");
break;
default:
eprintf ("posix_spawnp: unknown error %d\n", ret);
perror ("posix_spawnp");
break;
}
posix_spawn_file_actions_destroy (&fileActions);
r_str_argv_free (argv);
free (_cmd);
return p;
}
#endif
int ret, status, child_pid;
child_pid = r_sys_fork ();
switch (child_pid) {
case -1:
perror ("fork_and_ptraceme");
break;
case 0:
if (runprofile) {
char *expr = NULL;
int i;
RRunProfile *rp = r_run_new (NULL);
argv = r_str_argv (cmd, NULL);
for (i = 0; argv[i]; i++) {
rp->_args[i] = argv[i];
}
rp->_args[i] = NULL;
rp->_program = argv[0];
rp->_dodebug = true;
if (io->runprofile && *io->runprofile) {
if (!r_run_parsefile (rp, io->runprofile)) {
eprintf ("Can't find profile '%s'\n",
io->runprofile);
exit (MAGIC_EXIT);
}
}
if (bits == 64)
r_run_parseline (rp, expr=strdup ("bits=64"));
else if (bits == 32)
r_run_parseline (rp, expr=strdup ("bits=32"));
free (expr);
if (r_run_config_env (rp)) {
eprintf ("Can't config the environment.\n");
exit (1);
}
trace_me ();
r_run_start (rp);
r_run_free (rp);
r_str_argv_free (argv);
exit (1);
} else {
char *_cmd = io->args ?
r_str_concatf (strdup (cmd), " %s", io->args) :
strdup (cmd);
trace_me ();
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (argv && *argv) {
int i;
for (i = 3; i < 1024; i++)
(void)close (i);
execvp (argv[0], argv);
} else {
eprintf ("Invalid execvp\n");
}
r_str_argv_free (argv);
free (_cmd);
}
perror ("fork_and_attach: execv");
//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
exit (MAGIC_EXIT); /* error */
return 0; // invalid pid // if exit is overriden.. :)
default:
/* XXX: clean this dirty code */
do {
ret = wait (&status);
if (ret == -1) return -1;
if (ret != child_pid) {
eprintf ("Wait event received by "
"different pid %d\n", ret);
}
} while (ret != child_pid);
if (WIFSTOPPED (status))
eprintf ("Process with PID %d started...\n", (int)child_pid);
if (WEXITSTATUS (status) == MAGIC_EXIT)
child_pid = -1;
// XXX kill (pid, SIGSTOP);
break;
}
return child_pid;
}
// __UNIX__ (not windows)
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
char **argv;
int ret, status, pid = fork ();
switch (pid) {
case -1:
perror ("fork_and_ptraceme");
break;
case 0:
#if __APPLE__
signal (SIGTRAP, SIG_IGN); //NEED BY STEP
#endif
#if __APPLE__ || __BSD__
/* we can probably remove this #if..as long as PT_TRACE_ME is redefined for OSX in r_debug.h */
signal (SIGABRT, inferior_abort_handler);
if (ptrace (PT_TRACE_ME, 0, 0, 0) != 0) {
#else
if (ptrace (PTRACE_TRACEME, 0, NULL, NULL) != 0) {
#endif
r_sys_perror ("ptrace-traceme");
exit (MAGIC_EXIT);
}
{
char *expr = NULL;
int i;
RRunProfile *rp = r_run_new (NULL);
argv = r_str_argv (cmd, NULL);
for (i=0; argv[i]; i++) {
rp->_args[i] = argv[i];
}
rp->_args[i] = NULL;
rp->_program = argv[0];
if (io->runprofile && *io->runprofile) {
if (!r_run_parsefile (rp, io->runprofile)) {
eprintf ("Can't find profile '%s'\n", io->runprofile);
exit (MAGIC_EXIT);
}
}
if (bits==64)
r_run_parseline (rp, expr=strdup ("bits=64"));
else if (bits==32)
r_run_parseline (rp, expr=strdup ("bits=32"));
free (expr);
r_run_start (rp);
r_run_free (rp);
// double free wtf
// r_str_argv_free (argv);
exit (1);
}
perror ("fork_and_attach: execv");
//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
exit (MAGIC_EXIT); /* error */
return 0; // invalid pid // if exit is overriden.. :)
default:
/* XXX: clean this dirty code */
ret = wait (&status);
if (ret != pid)
eprintf ("Wait event received by different pid %d\n", ret);
if (WIFSTOPPED (status))
eprintf ("Process with PID %d started...\n", (int)pid);
if (WEXITSTATUS (status) == MAGIC_EXIT)
pid = -1;
// XXX kill (pid, SIGSTOP);
break;
}
eprintf ("PID = %d\n", pid);
return pid;
}
#endif
static int __plugin_open(RIO *io, const char *file, ut8 many) {
if (!strncmp (file, "dbg://", 6) && file[6])
return R_TRUE;
return R_FALSE;
}
static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
char uri[128];
if (__plugin_open (io, file, 0)) {
int pid = atoi (file+6);
if (pid == 0) {
pid = fork_and_ptraceme (io, io->bits, file+6);
if (pid==-1)
return NULL;
#if __WINDOWS__
sprintf (uri, "w32dbg://%d", pid);
#elif __APPLE__
sprintf (uri, "mach://%d", pid);
#else
// TODO: use io_procpid here? faster or what?
sprintf (uri, "ptrace://%d", pid);
#endif
my_io_redirect (io, uri);
} else {
sprintf (uri, "attach://%d", pid);
my_io_redirect (io, uri);
}
return NULL;
}
my_io_redirect (io, NULL);
return NULL;
}
static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
#if __APPLE__ && !__POWERPC__
return fork_and_ptraceme_for_mac(io, bits, cmd);
#else
int ret, status, child_pid;
bool runprofile = io->runprofile && *(io->runprofile);
char **argv;
child_pid = r_sys_fork ();
switch (child_pid) {
case -1:
perror ("fork_and_ptraceme");
break;
case 0:
if (runprofile) {
argv = r_str_argv (cmd, NULL);
if (!argv) {
exit(1);
}
RRunProfile *rp = _get_run_profile (io, bits, argv);
if (!rp) {
r_str_argv_free (argv);
exit (1);
}
trace_me ();
r_run_start (rp);
r_run_free (rp);
r_str_argv_free (argv);
exit (1);
} else {
char *_cmd = io->args ?
r_str_appendf (strdup (cmd), " %s", io->args) :
strdup (cmd);
trace_me ();
argv = r_str_argv (_cmd, NULL);
if (!argv) {
free (_cmd);
return -1;
}
if (argv && *argv) {
int i;
for (i = 3; i < 1024; i++) {
(void)close (i);
}
if (execvp (argv[0], argv) == -1) {
eprintf ("Could not execvp: %s\n", strerror (errno));
exit (MAGIC_EXIT);
}
} else {
eprintf ("Invalid execvp\n");
}
r_str_argv_free (argv);
free (_cmd);
}
perror ("fork_and_attach: execv");
//printf(stderr, "[%d] %s execv failed.\n", getpid(), ps.filename);
exit (MAGIC_EXIT); /* error */
return 0; // invalid pid // if exit is overriden.. :)
default:
/* XXX: clean this dirty code */
do {
ret = wait (&status);
if (ret == -1) return -1;
if (ret != child_pid) {
eprintf ("Wait event received by "
"different pid %d\n", ret);
}
} while (ret != child_pid);
if (WIFSTOPPED (status)) {
eprintf ("Process with PID %d started...\n", (int)child_pid);
}
if (WEXITSTATUS (status) == MAGIC_EXIT) {
child_pid = -1;
}
// XXX kill (pid, SIGSTOP);
break;
}
return child_pid;
#endif
}