// TODO: support len for binary data?
R_API char *r_core_rtr_cmds_query (RCore *core, const char *host, const char *port, const char *cmd) {
int retries = 6;
unsigned char buf[1024];
char *rbuf = NULL;
const int timeout = 0;
RSocket *s = r_socket_new (0);
for (;retries>0; r_sys_usleep (10*1000)) {
if (r_socket_connect (s, host, port, R_SOCKET_PROTO_TCP, timeout))
break;
retries--;
}
if (retries>0) {
rbuf = strdup ("");
r_socket_write (s, (void*)cmd, strlen (cmd));
//r_socket_write (s, "px\n", 3);
for (;;) {
int ret = r_socket_read (s, buf, sizeof (buf));
if (ret<1) break;
buf[ret] = 0;
rbuf = r_str_concat (rbuf, (const char *)buf);
}
} else {
eprintf ("Cannot connect\n");
}
r_socket_free (s);
return rbuf;
}
static RIODesc *haret__open(struct r_io_t *io, const char *pathname, int rw, int mode) {
char *port, *ptr, buf[1024];
RSocket *s;
strncpy (buf, pathname, sizeof (buf)-1);
if (haret__plugin_open (io, pathname, 0)) {
ptr = buf + 8;
if (!(port = strchr (ptr, ':'))) {
eprintf ("haret: wrong url\n");
return NULL;
}
if (!r_sandbox_enable (0)) {
eprintf ("sandbox: cannot use network\n");
return NULL;
}
*port++ = 0;
if ((s = r_socket_new (R_FALSE)) == NULL) {
eprintf ("Cannot create new socket\n");
return NULL;
}
if (!r_socket_connect_tcp (s, ptr, port, 30)) {
eprintf ("Cannot connect to '%s' (%s)\n", ptr, port);
return NULL;
} else eprintf ("Connected to: %s at port %s\n", ptr, port);
haret_wait_until_prompt (s);
//return r_io_desc_new (&r_io_plugin_haret, s->fd, pathname, rw, mode, (void*)s);
RETURN_IO_DESC_NEW (&r_io_plugin_haret, s->fd, pathname, rw, mode, (void*)s);
}
return NULL;
}
int gdbr_init(libgdbr_t* g) {
memset (g ,0 , sizeof (libgdbr_t));
g->send_buff = (char*) calloc (2500, sizeof (char));
if (!g->send_buff) return -1;
g->send_len = 0;
g->send_max = 2500;
g->read_buff = (char*) calloc (4096, sizeof (char));
if (!g->read_buff) {
free (g->send_buff);
return -1;
}
g->read_len = 0;
g->sock = r_socket_new (0);
g->last_code = MSG_OK;
g->read_max = 4096;
g->connected = 0;
g->data_len = 0;
g->data = calloc (4096, sizeof (char));
if (!g->data) {
free (g->send_buff);
free (g->read_buff);
return -1;
}
g->data_max = 4096;
return 0;
}
int main() {
RSocket *s = r_socket_new (R_FALSE);
if (!r_socket_listen (s, "8080", NULL)) {
eprintf ("Cannot listen here\n");
return 1;
}
for (;;) {
RSocketHTTPRequest *rs = r_socket_http_accept (s, 0);
if (!rs) continue;
if (!strcmp (rs->method, "GET")) {
r_socket_http_response (rs, 200,
"<html><body><form method=post action=/>"
"<input name=a /><input type=button></form></body>");
} else
if (!strcmp (rs->method, "POST")) {
char *buf = malloc (rs->data_length+ 50);
strcpy (buf, "<html><body><h2>XSS test</h2>\n");
r_str_unescape (rs->data);
strcat (buf, rs->data);
r_socket_http_response (rs, 200, buf);
free (buf);
} else {
r_socket_http_response (rs, 404, "Invalid protocol");
}
r_socket_http_close (rs);
}
}
int main() {
int ret;
char buf[1024];
RSocket *s = r_socket_new (R_FALSE);
if (r_socket_connect (s, "localhost", "9090", 0, 10)) {
do {
ret = r_socket_gets (s, buf, sizeof (buf));
eprintf ("((%s))\n", buf);
} while (ret>=0);
}
r_socket_free (s);
}
R_API RSocketRapServer *r_socket_rap_server_new (int is_ssl, const char *port) {
RSocketRapServer *rap_s;
if (!port)
return NULL;
rap_s = R_NEW0 (RSocketRapServer);
rap_s->fd = r_socket_new (is_ssl);
memcpy (rap_s->port, port, 4);
if (rap_s->fd)
return rap_s;
free (rap_s);
return NULL;
}
static void http_break (void *u) {
RSocket* sock;
const char *port;
const int timeout = 1; // 1 second
RCore *core = (RCore*)u;
if (((size_t)u)>0xff) {
port = listenport? listenport: r_config_get (core->config, "http.port");
sock = r_socket_new (0);
r_socket_connect (sock, "localhost", port, R_SOCKET_PROTO_TCP, timeout);
r_socket_free (sock);
}
r_socket_free (s);
s = NULL;
}
R_API int r_core_rtr_cmds (RCore *core, const char *port) {
unsigned char buf[4097];
RSocket *ch, *s;
int i, ret;
char *str;
if (!port || port[0]=='?') {
r_cons_printf ("Usage: .:[tcp-port] run r2 commands for clients\n");
return R_FALSE;
}
s = r_socket_new (0);
if (!r_socket_listen (s, port, NULL)) {
eprintf ("Error listening on port %s\n", port);
r_socket_free (s);
return R_FALSE;
}
eprintf ("Listening for commands on port %s\n", port);
listenport = port;
for (;;) {
r_cons_break ((RConsBreak)http_break, core);
ch = r_socket_accept (s);
buf[0] = 0;
ret = r_socket_read (ch, buf, sizeof (buf) - 1);
if (ret>0) {
buf[ret] = 0;
for (i=0; buf[i]; i++)
if (buf[i] == '\n')
buf[i] = buf[i+1]? ';': '\0';
if (!r_config_get_i (core->config, "scr.prompt") \
&& !strcmp ((char*)buf, "q!"))
break;
str = r_core_cmd_str (core, (const char *)buf);
if (str &&*str) {
r_socket_write (ch, str, strlen (str));
} else
r_socket_write (ch, "\n", 1);
free (str);
}
if (r_cons_singleton()->breaked)
break;
r_socket_close (ch);
r_cons_break_end ();
}
r_socket_free(s);
r_socket_free(ch);
return 0;
}
R_API char *r_socket_http_post (const char *url, const char *data, int *code, int *rlen) {
RSocket *s;
int ssl = !memcmp (url, "https://", 8);
char *response, *host, *path, *port = "80";
char *uri = strdup (url);
if (!uri) return NULL;
host = strstr (uri, "://");
if (!host) {
free (uri);
printf ("Invalid URI");
return NULL;
}
host += 3;
port = strchr (host, ':');
if (!port)
port = (ssl)?"443":"80";
else
*port++ = 0;
path = strchr (host, '/');
if (!path)
path = "";
else
*path++ = 0;
s = r_socket_new (ssl);
if (!s) {
printf ("Cannot create socket\n");
free (uri);
return NULL;
}
if (!r_socket_connect_tcp (s, host, port, 0)) {
eprintf ("Cannot connect to %s:%s\n", host, port);
free (uri);
return NULL;
}
/* Send */
r_socket_printf (s,
"POST /%s HTTP/1.0\r\n"
"User-Agent: radare2 "R2_VERSION"\r\n"
"Accept: */*\r\n"
"Host: %s\r\n"
"Content-Length: %i\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n"
"\r\n", path, host, strlen (data));
r_socket_write (s, (void *)data, strlen (data));
response = r_socket_http_answer (s, code, rlen);
free (uri);
return response;
}
int qnxr_connect (libqnxr_t *g, const char *host, int port) {
char tmp[255];
int ret;
if (!g || !host || g->connected) return -1;
g->data_len = 0;
g->read_len = 0;
g->read_ptr = 0;
g->sock = r_socket_new (0);
g->connected = 0;
g->mid = 0;
memmove (g->host, host, strlen (host) + 1);
g->port = port;
ret = snprintf (tmp, sizeof (tmp) - 1, "%d", port);
if (!ret) return -1;
ret = r_socket_connect_tcp (g->sock, host, tmp, 200);
if (!ret) return -1;
g->connected = 1;
qnxr_send_ch_reset (g);
nto_send_init (g, DStMsg_connect, 0, SET_CHANNEL_DEBUG);
g->tran.pkt.connect.major = HOST_QNX_PROTOVER_MAJOR;
g->tran.pkt.connect.minor = HOST_QNX_PROTOVER_MINOR;
nto_send (g, sizeof (g->tran.pkt.connect), 0);
if (g->recv.pkt.hdr.cmd == DSrMsg_err) {
eprintf ("%s: connection failed: %lld\n", __func__,
EXTRACT_SIGNED_INTEGER (&g->recv.pkt.err.err, 4));
return -1;
}
/* Try to query pdebug for their version of the protocol */
nto_send_init (g, DStMsg_protover, 0, SET_CHANNEL_DEBUG);
g->tran.pkt.protover.major = HOST_QNX_PROTOVER_MAJOR;
g->tran.pkt.protover.minor = HOST_QNX_PROTOVER_MINOR;
nto_send (g, sizeof (g->tran.pkt.protover), 0);
if ((g->recv.pkt.hdr.cmd == DSrMsg_err) && (EXTRACT_SIGNED_INTEGER (&g->recv.pkt.err.err, 4) == EINVAL)) {
g->target_proto_major = 0;
g->target_proto_minor = 0;
} else if (g->recv.pkt.hdr.cmd == DSrMsg_okstatus) {
g->target_proto_major = EXTRACT_SIGNED_INTEGER (&g->recv.pkt.okstatus.status, 4);
g->target_proto_minor = EXTRACT_SIGNED_INTEGER (&g->recv.pkt.okstatus.status, 4);
g->target_proto_major = (g->target_proto_major >> 8) & DSMSG_PROTOVER_MAJOR;
g->target_proto_minor = g->target_proto_minor & DSMSG_PROTOVER_MINOR;
} else {
R_API char *r_socket_http_get (const char *url, int *code, int *rlen) {
RSocket *s;
int ssl = !memcmp (url, "https://", 8);
char *response, *host, *path, *port = "80";
char *uri = strdup (url);
if (!uri) return NULL;
if (code) *code = 0;
if (rlen) *rlen = 0;
host = strstr (uri, "://");
if (!host) {
free (uri);
eprintf ("r_socket_http_get: Invalid URI");
return NULL;
}
host += 3;
port = strchr (host, ':');
if (!port) {
port = (ssl)?"443":"80";
path = host;
} else {
*port++ = 0;
path = port;
}
path = strchr (path, '/');
if (!path) path = "";
else *path++ = 0;
s = r_socket_new (ssl);
if (!s) {
eprintf ("r_socket_http_get: Cannot create socket\n");
free (uri);
return NULL;
}
if (r_socket_connect_tcp (s, host, port, 0)) {
r_socket_printf (s,
"GET /%s HTTP/1.1\r\n"
"User-Agent: radare2 "R2_VERSION"\r\n"
"Accept: */*\r\n"
"Host: %s:%s\r\n"
"\r\n", path, host, port);
response = r_socket_http_answer (s, code, rlen);
} else {
eprintf ("Cannot connect to %s:%s\n", host, port);
response = NULL;
}
free (uri);
r_socket_free (s);
return response;
}
int main (int argc, char ** argv) {
ut8 buf [MAX_LINE+1];
memset (buf, 0, MAX_LINE+1);
RSocket *s = r_socket_new (true);
if (s == NULL) {
fprintf (stderr, "Error, cannot create new socket \n");
return 1;
}
if (!r_socket_connect_tcp (s, SERVER, PORT)) {
fprintf (stderr, "Error, cannot connect to "SERVER"\n");
return 1;
}
printf ("%i\n",r_socket_puts (s, "GET /\r\n\r\n"));
while(r_socket_read (s, buf, MAX_LINE)>0)
printf ("%s", buf);
r_socket_free (s);
return 0;
}
static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
char host[128], *port, *p;
RSocket *_fd;
RIOGdb *riog;
if (!__plugin_open (io, file, 0))
return NULL;
strncpy (host, file+6, sizeof (host)-1);
port = strchr (host , ':');
if (!port) {
eprintf ("Port not specified. Please use gdb://[host]:[port]\n");
return NULL;
}
*port = '\0';
port++;
p = strchr (port, '/');
if (p) *p=0;
if (r_sandbox_enable (0)) {
eprintf ("sandbox: Cannot use network\n");
return NULL;
}
_fd = r_socket_new (R_FALSE);
if (_fd && r_socket_connect_tcp (_fd, host, port, 3)) {
riog = R_NEW (RIOGdb);
riog->fd = _fd;
riog->desc = gdbwrap_init (_fd->fd, NUM_REGS, 4);
if (!riog->desc) {
r_socket_free (_fd);
free (riog);
return NULL;
}
#if __WINDOWS__
// XXX: bypass lazylinking
RETURN_IO_DESC_NEW (&r_io_plugin_gdb, _fd->fd, file, rw, mode, riog);
#else
return r_io_desc_new (&r_io_plugin_gdb, _fd->fd, file, rw, mode, riog);
#endif
}
eprintf ("gdb.io.open: Cannot connect to host.\n");
return NULL;
}
static RIODesc *__open(RIO *io, const char *pathname, int rw, int mode) {
if (__plugin_open (io, pathname, 0)) {
if (gs) {
return NULL;
}
gs = r_socket_new (0);
char *cmd = r_str_newf ("winedbg '%s'", pathname + 10);
int res = r_socket_spawn (gs, cmd, 1000);
free (cmd);
if (!res) {
return NULL;
}
char *reply = runcmd (NULL);
if (reply) {
int rw = 7;
free (reply);
eprintf ("Wine-dbg is ready to go!\n");
return r_io_desc_new (io, &r_io_plugin_winedbg, pathname, rw, mode, gs);
}
eprintf ("Can't find the Wine-dbg prompt\n");
}
return NULL;
}
static int runfile () {
if (!_program && !_system) {
printf ("No program or system rule defined\n");
return 1;
}
if (_stdin) {
int f = open (_stdin, O_RDONLY);
close (0);
dup2 (f, 0);
}
if (_stdout) {
int f = open (_stdout, O_WRONLY);
close (1);
dup2 (f, 1);
}
if (_stderr) {
int f = open (_stderr, O_WRONLY);
close (2);
dup2 (f, 2);
}
if (_connect) {
char *p = strchr (_connect, ':');
if (p) {
RSocket *fd = r_socket_new (0);
*p=0;
if (!r_socket_connect_tcp (fd, _connect, p+1, 30)) {
eprintf ("Cannot connect\n");
return 1;
}
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (fd->fd, 0);
dup2 (fd->fd, 1);
dup2 (fd->fd, 2);
} else {
eprintf ("Invalid format for connect. missing ':'\n");
return 1;
}
}
if (_listen) {
RSocket *child, *fd = r_socket_new (0);
if (!r_socket_listen (fd, _listen, NULL)) {
eprintf ("rarun2: cannot listen\n");
return 1;
}
child = r_socket_accept (fd);
if (child) {
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (child->fd, 0);
dup2 (child->fd, 1);
dup2 (child->fd, 2);
}
}
if (_chgdir) chdir (_chgdir);
if (_chroot) chdir (_chroot);
#if __UNIX__
if (_chroot) {
if (chroot (".")) {
eprintf ("rarun2: cannot chroot\n");
return 1;
}
}
if (_setuid) setuid (atoi (_setuid));
if (_seteuid) seteuid (atoi (_seteuid));
if (_setgid) setgid (atoi (_setgid));
if (_input) {
int f2[2];
pipe (f2);
close (0);
dup2 (f2[0], 0);
parseinput (_input);
write (f2[1], _input, strlen (_input));
}
#endif
if (_r2preload) {
if (_preload) {
eprintf ("WARNING: Only one library can be opened at a time\n");
}
_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
}
if (_libpath) {
#if __WINDOWS__
eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __APPLE__
r_sys_setenv ("DYLD_LIBRARY_PATH", _libpath);
#else
r_sys_setenv ("LD_LIBRARY_PATH", _libpath);
#endif
}
if (_preload) {
#if __APPLE__
// 10.6
r_sys_setenv ("DYLD_PRELOAD", _preload);
r_sys_setenv ("DYLD_INSERT_LIBRARIES", _preload);
// 10.8
r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
r_sys_setenv ("LD_PRELOAD", _preload);
#endif
}
if (_timeout) {
#if __UNIX__
int mypid = getpid ();
if (!fork ()) {
sleep (_timeout);
if (!kill (mypid, 0))
eprintf ("\nrarun2: Interrupted by timeout\n");
kill (mypid, SIGKILL);
exit (0);
}
#else
eprintf ("timeout not supported for this platform\n");
#endif
}
if (_system) {
exit (r_sys_cmd (_system));
}
if (!r_file_exists (_program)) {
eprintf ("rarun2: %s: file not found\n", _program);
return 1;
}
exit (execv (_program, _args));
}
R_API int r_run_start(RRunProfile *p) {
#if __APPLE__
posix_spawnattr_t attr = {0};
pid_t pid = -1;
#endif
int ret;
if (!p->_program && !p->_system) {
printf ("No program or system rule defined\n");
return 1;
}
if (p->_stdin) {
int f = open (p->_stdin, O_RDONLY);
if (f < 0)
return 1;
close (0);
dup2 (f, 0);
}
if (p->_stdout) {
int f = open (p->_stdout, O_WRONLY);
if (f < 0)
return 1;
close (1);
dup2 (f, 1);
}
if (p->_stderr) {
int f = open (p->_stderr, O_WRONLY);
if (f < 0)
return 1;
close (2);
dup2 (f, 2);
}
if (p->_aslr != -1)
setASLR (p->_aslr);
#if __UNIX__
set_limit (p->_docore, RLIMIT_CORE, RLIM_INFINITY);
if (p->_maxfd)
set_limit (p->_maxfd, RLIMIT_NOFILE, p->_maxfd);
#ifdef RLIMIT_NPROC
if (p->_maxproc)
set_limit (p->_maxproc, RLIMIT_NPROC, p->_maxproc);
#endif
if (p->_maxstack)
set_limit (p->_maxstack, RLIMIT_STACK, p->_maxstack);
#else
if (p->_docore || p->_maxfd || p->_maxproc || p->_maxstack)
eprintf ("Warning: setrlimits not supported for this platform\n");
#endif
if (p->_connect) {
char *q = strchr (p->_connect, ':');
if (q) {
RSocket *fd = r_socket_new (0);
*q = 0;
if (!r_socket_connect_tcp (fd, p->_connect, q+1, 30)) {
eprintf ("Cannot connect\n");
return 1;
}
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (fd->fd, 0);
dup2 (fd->fd, 1);
dup2 (fd->fd, 2);
} else {
eprintf ("Invalid format for connect. missing ':'\n");
return 1;
}
}
if (p->_listen) {
RSocket *child, *fd = r_socket_new (0);
if (!r_socket_listen (fd, p->_listen, NULL)) {
eprintf ("rarun2: cannot listen\n");
r_socket_free (fd);
return 1;
}
child = r_socket_accept (fd);
if (child) {
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (child->fd, 0);
dup2 (child->fd, 1);
dup2 (child->fd, 2);
}
}
if (p->_r2sleep != 0) {
r_sys_sleep (p->_r2sleep);
}
if (p->_chgdir) {
ret = chdir (p->_chgdir);
if (ret < 0)
return 1;
}
if (p->_chroot) {
ret = chdir (p->_chroot);
if (ret < 0)
return 1;
}
#if __UNIX__
if (p->_chroot) {
if (chroot (p->_chroot)) {
eprintf ("rarun2: cannot chroot\n");
return 1;
}
chdir("/");
}
if (p->_setuid) {
ret = setgroups(0, NULL);
if (ret < 0)
return 1;
ret = setuid (atoi (p->_setuid));
if (ret < 0)
return 1;
}
if (p->_seteuid) {
ret = seteuid (atoi (p->_seteuid));
if (ret < 0)
return 1;
}
if (p->_setgid) {
ret = setgid (atoi (p->_setgid));
if (ret < 0)
return 1;
}
if (p->_input) {
int f2[2];
pipe (f2);
close (0);
dup2 (f2[0], 0);
parseinput (p->_input);
write (f2[1], p->_input, strlen (p->_input));
}
#endif
if (p->_r2preload) {
if (p->_preload) {
eprintf ("WARNING: Only one library can be opened at a time\n");
}
p->_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
}
if (p->_libpath) {
#if __WINDOWS__
eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __HAIKU__
r_sys_setenv ("LIBRARY_PATH", p->_libpath);
#elif __APPLE__
r_sys_setenv ("DYLD_LIBRARY_PATH", p->_libpath);
#else
r_sys_setenv ("LD_LIBRARY_PATH", p->_libpath);
#endif
}
if (p->_preload) {
#if __APPLE__
// 10.6
r_sys_setenv ("DYLD_PRELOAD", p->_preload);
r_sys_setenv ("DYLD_INSERT_LIBRARIES", p->_preload);
// 10.8
r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
r_sys_setenv ("LD_PRELOAD", p->_preload);
#endif
}
if (p->_timeout) {
#if __UNIX__
int mypid = getpid ();
if (!fork ()) {
sleep (p->_timeout);
if (!kill (mypid, 0))
eprintf ("\nrarun2: Interrupted by timeout\n");
kill (mypid, SIGKILL);
exit (0);
}
#else
eprintf ("timeout not supported for this platform\n");
#endif
}
#if __APPLE__
posix_spawnattr_init (&attr);
if (p->_args[0]) {
char **envp = r_sys_get_environ();
ut32 spflags = 0; //POSIX_SPAWN_START_SUSPENDED;
spflags |= POSIX_SPAWN_SETEXEC;
if (p->_aslr == 0) {
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
spflags |= _POSIX_SPAWN_DISABLE_ASLR;
}
(void)posix_spawnattr_setflags (&attr, spflags);
if (p->_bits) {
size_t copied = 1;
cpu_type_t cpu;
#if __i386__ || __x86_64__
cpu = CPU_TYPE_I386;
if (p->_bits == 64)
cpu |= CPU_ARCH_ABI64;
#else
cpu = CPU_TYPE_ANY;
#endif
posix_spawnattr_setbinpref_np (
&attr, 1, &cpu, &copied);
}
ret = posix_spawnp (&pid, p->_args[0],
NULL, &attr, p->_args, envp);
switch (ret) {
case 0:
break;
case 22:
eprintf ("posix_spawnp: Invalid argument\n");
break;
case 86:
eprintf ("posix_spawnp: Unsupported architecture\n");
break;
default:
eprintf ("posix_spawnp: unknown error %d\n", ret);
perror ("posix_spawnp");
break;
}
exit (ret);
}
#endif
if (p->_system) {
if (p->_pid) {
eprintf ("PID: Cannot determine pid with 'system' directive. Use 'program'.\n");
}
exit (r_sys_cmd (p->_system));
}
if (p->_program) {
if (!r_file_exists (p->_program)) {
char *progpath = r_file_path (p->_program);
if (progpath && *progpath) {
free (p->_program);
p->_program = progpath;
} else {
free (progpath);
eprintf ("rarun2: %s: file not found\n", p->_program);
return 1;
}
}
#if __UNIX__
// XXX HACK close all non-tty fds
{ int i; for (i=3; i<10; i++) close (i); }
// TODO: use posix_spawn
if (p->_setgid) {
ret = setgid (atoi (p->_setgid));
if (ret < 0)
return 1;
}
if (p->_pid) {
eprintf ("PID: %d\n", getpid ());
}
if (p->_pidfile) {
char pidstr[32];
snprintf (pidstr, sizeof (pidstr), "%d\n", getpid ());
r_file_dump (p->_pidfile,
(const ut8*)pidstr,
strlen (pidstr), 0);
}
#endif
if (p->_nice) {
#if __UNIX__
errno = 0;
ret = nice(p->_nice);
if (ret == -1) {
if (errno != 0) {
return 1;
}
}
#else
eprintf ("nice not supported for this platform\n");
#endif
}
exit (execv (p->_program, (char* const*)p->_args));
}
return 0;
}
int main(int argc, char **argv) {
RSocket *s;
RSocketHTTPRequest *rs;
int c, timeout = 3;
int dodaemon = 0;
int dosandbox = 0;
const char *port = "8080";
// TODO: add flag to specify if listen in local or 0.0.0.0
while ((c = getopt (argc, argv, "hp:ds")) != -1) {
switch (c) {
case 's':
dosandbox = 1;
break;
case 'd':
dodaemon = 1;
break;
case 'h':
return usage (1);
case 'p':
port = optarg;
break;
}
}
if (dodaemon) {
int pid = fork ();
if (pid >0) {
printf ("%d\n", pid);
return 0;
}
}
s = r_socket_new (R_FALSE);
s->local = 1; // by default
if (!r_socket_listen (s, port, NULL)) {
eprintf ("Cannot listen on http.port\n");
return 1;
}
r_sandbox_enable (dosandbox);
while (!r_cons_singleton ()->breaked) {
char *result_heap = NULL;
const char *result = page_index;
rs = r_socket_http_accept (s, timeout);
if (!rs) continue;
if (!strcmp (rs->method, "GET")) {
if (!memcmp (rs->path, "/proc/kill/", 11)) {
// TODO: show page here?
int pid = atoi (rs->path+11);
if (pid>0) kill (pid, 9);
} else
if (!memcmp (rs->path, "/file/open/", 11)) {
int pid;
int session_port = 3000 + r_num_rand (1024);
char *filename = rs->path +11;
int filename_len = strlen (filename);
char *cmd;
if (!(cmd = malloc (filename_len+40))) {
perror ("malloc");
return 1;
}
sprintf (cmd, "r2 -q -e http.port=%d -c=h \"%s\"",
session_port, filename);
// TODO: use r_sys api to get pid when running in bg
pid = r_sys_cmdbg (cmd);
free (cmd);
result = result_heap = malloc (1024+filename_len);
if (!result) {
perror ("malloc");
return 1;
}
sprintf (result_heap,
"<html><body>"
"<a href='/'>back</a><hr size=1/>"
" - <a target='_blank' href='http://localhost:%d/'>open</a><br />"
" - <a href='/proc/kill/%d'>kill</a><br />"
"</body></html>", session_port, pid);
eprintf ("\nchild pid %d\n\n", pid);
}
}
r_socket_http_response (rs, 200, result, 0, NULL);
r_socket_http_close (rs);
free (result_heap);
}
r_socket_free (s);
return 0;
}
/* TODO: simplify using r_write */
static int cmd_write(void *data, const char *input) {
int wseek, i, size, len;
RCore *core = (RCore *)data;
char *tmp, *str, *ostr;
const char *arg, *filename = "";
char _fn[32];
ut64 off;
ut8 *buf;
st64 num = 0;
const char* help_msg[] = {
"Usage:","w[x] [str] [<file] [<<EOF] [@addr]","",
"w","[1248][+-][n]","increment/decrement byte,word..",
"w"," foobar","write string 'foobar'",
"w0"," [len]","write 'len' bytes with value 0x00",
"w6","[de] base64/hex","write base64 [d]ecoded or [e]ncoded string",
"wa","[?] push ebp","write opcode, separated by ';' (use '\"' around the command)",
"waf"," file","assemble file and write bytes",
"wao"," [?] op","modify opcode (change conditional of jump. nop, etc)",
"wA"," [?] r 0","alter/modify opcode at current seek (see wA?)",
"wb"," 010203","fill current block with cyclic hexpairs",
"wB","[-]0xVALUE","set or unset bits with given value",
"wc","","list all write changes",
"wc","[?][ir*?]","write cache undo/commit/reset/list (io.cache)",
"wd"," [off] [n]","duplicate N bytes from offset at current seek (memcpy) (see y?)",
"we","[?] [nNsxX] [arg]","extend write operations (insert instead of replace)",
"wf"," -|file","write contents of file at current offset",
"wh"," r2","whereis/which shell command",
"wm"," f0ff","set binary mask hexpair to be used as cyclic write mask",
"wo","[?] hex","write in block with operation. 'wo?' fmi",
"wp"," [?] -|file","apply radare patch file. See wp? fmi",
"wr"," 10","write 10 random bytes",
"ws"," pstring","write 1 byte for length and then the string",
"wt[f]"," [?] file [sz]","write to file (from current seek, blocksize or sz bytes)",
"wts"," host:port [sz]", "send data to remote host:port via tcp://",
"ww"," foobar","write wide string 'f\\x00o\\x00o\\x00b\\x00a\\x00r\\x00'",
"wx","[?][fs] 9090","write two intel nops (from wxfile or wxseek)",
"wv","[?] eip+34","write 32-64 bit value",
"wz"," string","write zero terminated string (like w + \\x00)",
NULL
};
if (!input) {
return 0;
}
len = strlen (input);
wseek = r_config_get_i (core->config, "cfg.wseek");
str = ostr = strdup (*input? input + 1: "");
_fn[0] = 0;
switch (*input) {
case 'B':
switch (input[1]) {
case ' ':
cmd_write_bits (core, 1, r_num_math (core->num, input + 2));
break;
case '-':
cmd_write_bits (core, 0, r_num_math (core->num, input + 2));
break;
default:
eprintf ("Usage: wB 0x2000 # or wB-0x2000\n");
break;
}
break;
case '0':
{
ut64 len = r_num_math (core->num, input+1);
if (len>0) {
ut8 *buf = calloc (1, len);
if (buf) {
r_io_write_at (core->io, core->offset, buf, len);
r_core_block_read (core);
free (buf);
} else eprintf ("Cannot allocate %d bytes\n", (int)len);
}
}
break;
case '1':
case '2':
case '4':
case '8':
if (input[1] && input[2]) {
if (input[1]==input[2]) {
num = 1;
} else num = r_num_math (core->num, input+2);
}
switch (input[2] ? input[1] : 0) {
case '+':
cmd_write_inc (core, *input-'0', num);
break;
case '-':
cmd_write_inc (core, *input-'0', -num);
break;
default:
eprintf ("Usage: w[1248][+-][num] # inc/dec byte/word/..\n");
}
break;
case '6':
{
int fail = 0;
ut8 *buf = NULL;
int len = 0, str_len;
const char *str;
if (input[1] && input[2] != ' ')
fail = 1;
if (input[1] && input[2] && input[3])
str = input + 3;
else
str = "";
str_len = strlen (str) + 1;
if (!fail) {
switch (input[1]) {
case 'd':
buf = malloc (str_len);
len = r_base64_decode (buf, str, 0);
if(len == 0) {
free(buf);
fail = 1;
}
break;
case 'e':
{
ut8 *bin_buf = malloc (str_len);
const int bin_len = r_hex_str2bin (str, bin_buf);
if (bin_len <= 0) {
fail = 1;
} else {
buf = calloc (str_len + 1, 4);
len = r_base64_encode ((char *)buf, bin_buf, bin_len);
if(len == 0) {
free (buf);
fail = 1;
}
}
free (bin_buf);
break;
}
default:
fail = 1;
break;
}
}
if (!fail) {
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
r_core_block_read (core);
free (buf);
} else {
eprintf ("Usage: w6[de] base64/hex\n");
}
break;
}
case 'h':
{
char *p = strchr (input, ' ');
if (p) {
while (*p==' ') p++;
p = r_file_path (p);
if (p) {
r_cons_println (p);
free (p);
}
}
}
break;
case 'e':
{
ut64 addr = 0, len = 0, b_size = 0;
st64 dist = 0;
ut8* bytes = NULL;
int cmd_suc = false;
char *input_shadow = NULL, *p = NULL;
switch (input[1]) {
case 'n':
if (input[2] == ' ') {
len = *input ? r_num_math (core->num, input+3) : 0;
if (len > 0) {
const ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, core->offset, len);
core->offset = cur_off;
r_core_block_read (core);
}
}
break;
case 'N':
if (input[2] == ' ') {
input += 3;
while (*input && *input == ' ') input++;
addr = r_num_math (core->num, input);
while (*input && *input != ' ') input++;
input++;
len = *input ? r_num_math (core->num, input) : 0;
if (len > 0){
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
cmd_suc = r_core_seek (core, cur_off, 1);
core->offset = addr;
r_core_block_read (core);
}
}
break;
case 'x':
if (input[2] == ' ') {
input += 2;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, cur_off, len);
if (cmd_suc) {
r_core_write_at (core, cur_off, bytes, len);
}
core->offset = cur_off;
r_core_block_read (core);
}
free (bytes);
}
break;
case 'X':
if (input[2] == ' ') {
addr = r_num_math (core->num, input+3);
input += 3;
while (*input && *input != ' ') input++;
input++;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
//ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
if (cmd_suc) {
r_core_write_at (core, addr, bytes, len);
}
core->offset = addr;
r_core_block_read (core);
}
free (bytes);
}
break;
case 's':
input += 3;
while (*input && *input == ' ') input++;
len = strlen (input);
input_shadow = len > 0? malloc (len+1): 0;
// since the distance can be negative,
// the r_num_math will perform an unwanted operation
// the solution is to tokenize the string :/
if (input_shadow) {
strncpy (input_shadow, input, len+1);
p = strtok (input_shadow, " ");
addr = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
dist = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
b_size = p && *p ? r_num_math (core->num, p) : 0;
if (dist != 0){
r_core_shift_block (core, addr, b_size, dist);
r_core_seek (core, addr, 1);
cmd_suc = true;
}
}
free (input_shadow);
break;
case '?':
default:
cmd_suc = false;
}
if (cmd_suc == false) {
const char* help_msg[] = {
"Usage", "", "write extend",
"wen", " <num>", "insert num null bytes at current offset",
"wex", " <hex_bytes>", "insert bytes at current offset",
"weN", " <addr> <len>", "insert bytes at address",
"weX", " <addr> <hex_bytes>", "insert bytes at address",
"wes", " <addr> <dist> <block_size>", "shift a blocksize left or write in the editor",
NULL};
r_core_cmd_help (core, help_msg);
}
}
break;
case 'p':
if (input[1]=='-' || (input[1]==' ' && input[2]=='-')) {
char *out = r_core_editor (core, NULL, NULL);
if (out) {
r_core_patch (core, out);
free (out);
}
} else {
if (input[1]==' ' && input[2]) {
char *data = r_file_slurp (input+2, NULL);
if (data) {
r_core_patch (core, data);
free (data);
}
} else {
r_cons_printf ("Usage: wp [-|r2patch-file]\n"
" ^# -> comments\n"
" . -> execute command\n"
" ! -> execute command\n"
" OFFSET { code block }\n"
" OFFSET \"string\"\n"
" OFFSET 01020304\n"
" OFFSET : assembly\n"
" + {code}|\"str\"|0210|: asm\n");
}
}
break;
case 'u':
// TODO: implement it in an API RCore.write_unified_hexpatch() is ETOOLONG
if (input[1]==' ') {
char *data = r_file_slurp (input+2, NULL);
if (data) {
char sign = ' ';
int line = 0, offs = 0, hexa = 0;
int newline = 1;
for (i=0; data[i]; i++) {
switch (data[i]) {
case '+':
if (newline)
sign = 1;
break;
case '-':
if (newline) {
sign = 0;
offs = i + ((data[i+1]==' ')?2:1);
}
break;
case ' ':
data[i] = 0;
if (sign) {
if (!line) line = i+1;
else
if (!hexa) hexa = i+1;
}
break;
case '\r':
break;
case '\n':
newline = 1;
if (sign == -1) {
offs = 0;
line = 0;
hexa = 0;
} else if (sign) {
if (offs && hexa) {
r_cons_printf ("wx %s @ %s\n", data+hexa, data+offs);
} else eprintf ("food\n");
offs = 0;
line = 0;
} else hexa = 0;
sign = -1;
continue;
}
newline = 0;
}
free (data);
}
} else {
eprintf ("|Usage: wu [unified-diff-patch] # see 'cu'\n");
}
break;
case 'r': //wr
off = r_num_math (core->num, input+1);
len = (int)off;
if (len > 0) {
buf = malloc (len);
if (buf != NULL) {
r_num_irand ();
for (i=0; i<len; i++)
buf[i] = r_num_rand (256);
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
free (buf);
} else eprintf ("Cannot allocate %d bytes\n", len);
}
break;
case 'A':
switch (input[1]) {
case ' ':
if (input[2] && input[3]==' ') {
r_asm_set_pc (core->assembler, core->offset);
eprintf ("modify (%c)=%s\n", input[2], input+4);
len = r_asm_modify (core->assembler, core->block, input[2],
r_num_math (core->num, input+4));
eprintf ("len=%d\n", len);
if (len>0) {
r_core_write_at (core, core->offset, core->block, len);
WSEEK (core, len);
} else eprintf ("r_asm_modify = %d\n", len);
} else eprintf ("Usage: wA [type] [value]\n");
break;
case '?':
default:
{
const char* help_msg[] = {
"Usage:", " wA", "[type] [value]",
"Types", "", "",
"r", "", "raw write value",
"v", "", "set value (taking care of current address)",
"d", "", "destination register",
"0", "", "1st src register",
"1", "", "2nd src register",
"Example:", "wA r 0", "# e800000000",
NULL};
r_core_cmd_help (core, help_msg);
break;
}
}
break;
case 'c':
switch (input[1]) {
case 'i':
r_io_cache_commit (core->io, 0, UT64_MAX);
r_core_block_read (core);
break;
case 'r':
r_io_cache_reset (core->io, true);
/* Before loading the core block we have to make sure that if
* the cache wrote past the original EOF these changes are no
* longer displayed. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core);
break;
case '+':
if (input[2]=='*') {
//r_io_cache_reset (core->io, true);
eprintf ("TODO\n");
} else if (input[2]==' ') {
char *p = strchr (input+3, ' ');
ut64 to, from;
from = r_num_math (core->num, input+3);
if (p) {
*p = 0;
to = r_num_math (core->num, input+3);
if (to<from) {
eprintf ("Invalid range (from>to)\n");
return 0;
}
} else {
to = from + core->blocksize;
}
r_io_cache_commit (core->io, from, to);
} else {
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
r_io_cache_commit (core->io, core->offset, core->offset+1);
}
break;
case '-':
if (input[2]=='*') {
r_io_cache_reset (core->io, true);
} else if (input[2]==' ') {
char *p = strchr (input+3, ' ');
ut64 to, from;
if (p) {
*p = 0;
from = r_num_math (core->num, input+3);
to = r_num_math (core->num, input+3);
if (to<from) {
eprintf ("Invalid range (from>to)\n");
return 0;
}
} else {
from = r_num_math (core->num, input+3);
to = from + core->blocksize;
}
r_io_cache_invalidate (core->io, from, to);
} else {
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
r_io_cache_invalidate (core->io, core->offset, core->offset+core->blocksize);
}
/* See 'r' above. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core);
break;
case '?':
{
const char* help_msg[] = {
"Usage:", "wc[ir+-*?]"," # NOTE: Uses io.cache=true",
"wc","","list all write changes",
"wc-"," [from] [to]","remove write op at curseek or given addr",
"wc+"," [addr]","commit change from cache to io",
"wc*","","\"\" in radare commands",
"wcr","","reset all write changes in cache",
"wci","","commit write cache",
NULL
};
r_core_cmd_help (core, help_msg);
}
break;
case '*':
r_io_cache_list (core->io, 1);
break;
case 'j':
r_io_cache_list (core->io, 2);
break;
case '\0':
//if (!r_config_get_i (core->config, "io.cache"))
// eprintf ("[warning] e io.cache must be true\n");
r_io_cache_list (core->io, 0);
break;
}
break;
case ' ': // "w"
/* write string */
len = r_str_unescape (str);
r_core_write_at (core, core->offset, (const ut8*)str, len);
#if 0
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
#endif
WSEEK (core, len);
r_core_block_read (core);
break;
case 'z': // "wz"
/* write zero-terminated string */
len = r_str_unescape (str);
r_core_write_at (core, core->offset, (const ut8*)str + 1, len);
if (len > 0) {
core->num->value = len;
} else {
core->num->value = 0;
}
#if 0
r_io_use_desc (core->io, core->file->desc);
#endif
WSEEK (core, len + 1);
r_core_block_read (core);
break;
case 't': // "wt"
if (*str == 's') { // "wts"
if (str[1] == ' ') {
eprintf ("Write to server\n");
st64 sz = r_io_size (core->io);
if (sz > 0) {
ut64 addr = 0;
char *host = str + 2;
char *port = strchr (host, ':');
if (port) {
*port ++= 0;
char *space = strchr (port, ' ');
if (space) {
*space++ = 0;
sz = r_num_math (core->num, space);
addr = core->offset;
}
ut8 *buf = calloc (1, sz);
r_io_read_at (core->io, addr, buf, sz);
RSocket *s = r_socket_new (false);
if (r_socket_connect (s, host, port, R_SOCKET_PROTO_TCP, 0)) {
int done = 0;
eprintf ("Transfering file to the end-point...\n");
while (done < sz) {
int rc = r_socket_write (s, buf + done, sz - done);
if (rc <1) {
eprintf ("oops\n");
break;
}
done += rc;
}
} else {
eprintf ("Cannot connect\n");
}
r_socket_free (s);
free (buf);
} else {
eprintf ("Usage wts host:port [sz]\n");
}
} else {
eprintf ("Unknown file size\n");
}
} else {
eprintf ("Usage wts host:port [sz]\n");
}
} else if (*str == '?' || *str == '\0') {
const char* help_msg[] = {
"Usage:", "wt[a] file [size]", " Write 'size' bytes in current blok to 'file'",
"wta", " [filename]", "append to 'filename'",
"wtf", " [filename] [size]", "write to file (see also 'wxf' and 'wf?')",
"wtf!", " [filename]", "write to file from current addresss to eof",
NULL};
r_core_cmd_help (core, help_msg);
free (ostr);
return 0;
} else {
bool append = false;
bool toend = false;
st64 sz = core->blocksize;
if (*str == 'f') { // "wtf"
str++;
if (*str == '!') {
toend = true;
str++;
}
if (*str) {
filename = str + ((*str == ' ')? 1: 0);
} else {
filename = "";
}
} else if (*str=='a') { // "wta"
append = 1;
str++;
if (str[0] == ' ') {
filename = str + 1;
} else {
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, core->offset);
filename = _fn;
}
} else if (*str != ' ') {
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, core->offset);
filename = _fn;
} else {
filename = str + 1;
}
tmp = strchr (str + 1, ' ');
if (!filename || !*filename) {
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, core->offset);
filename = _fn;
}
if (tmp) {
if (toend) {
sz = r_io_desc_size (core->io, core->file->desc) - core->offset;
} else {
sz = (st64) r_num_math (core->num, tmp + 1);
if (!sz) {
sz = core->blocksize;
}
*tmp = 0;
}
if (sz < 1) {
eprintf ("Invalid length\n");
} else {
r_core_dump (core, filename, core->offset, (ut64)sz, append);
}
} else {
if (toend) {
sz = r_io_desc_size (core->io, core->file->desc) - core->offset;
r_core_dump (core, filename, core->offset, (ut64)sz, append);
} else {
if (!r_file_dump (filename, core->block, core->blocksize, append)) {
sz = 0;
} else {
sz = core->blocksize;
}
}
}
eprintf ("Dumped %"PFMT64d" bytes from 0x%08"PFMT64x" into %s\n",
sz, core->offset, filename);
}
break;
case 'f':
cmd_wf (core, input);
break;
case 'w':
str++;
len = (len - 1) << 1;
tmp = (len > 0) ? malloc (len + 1) : NULL;
if (tmp) {
for (i=0; i<len; i++) {
if (i%2) tmp[i] = 0;
else tmp[i] = str[i>>1];
}
str = tmp;
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
WSEEK (core, len);
r_core_block_read (core);
free (tmp);
} else {
eprintf ("Cannot malloc %d\n", len);
}
break;
case 'x': // "wx"
switch (input[1]) {
case 'f': // "wxf"
arg = (const char *)(input + ((input[2]==' ')? 3: 2));
if (!strcmp (arg, "-")) {
int len;
ut8 *out;
char *in = r_core_editor (core, NULL, NULL);
if (in) {
out = (ut8 *)strdup (in);
if (out) {
len = r_hex_str2bin (in, out);
if (len > 0) {
r_io_write_at (core->io, core->offset, out, len);
core->num->value = len;
} else {
core->num->value = 0;
}
free (out);
}
free (in);
}
} else if (r_file_exists (arg)) {
if ((buf = r_file_slurp_hexpairs (arg, &size))) {
r_io_use_desc (core->io, core->file->desc);
if (r_io_write_at (core->io, core->offset, buf, size) > 0) {
core->num->value = size;
WSEEK (core, size);
}
free (buf);
r_core_block_read (core);
} else {
eprintf ("This file doesnt contains hexpairs\n");
}
} else {
eprintf ("Cannot open file '%s'\n", arg);
}
break;
case 's': // "wxs"
{
int len = cmd_write_hexpair (core, input + 2);
if (len > 0) {
r_core_seek_delta (core, len);
core->num->value = len;
} else {
core->num->value = 0;
}
}
break;
case ' ': // "wx ..."
cmd_write_hexpair (core, input + 1);
break;
default:
{
const char* help_msg[] = {
"Usage:", "wx[f] [arg]", "",
"wx", " 9090", "write two intel nops",
"wxf", " -|file", "write contents of hexpairs file here",
"wxs", " 9090", "write hexpairs and seek at the end",
NULL};
r_core_cmd_help (core, help_msg);
break;
}
}
break;
case 'a': // "wa"
switch (input[1]) {
case 'o': // "wao"
if (input[2] == ' ')
r_core_hack (core, input+3);
else r_core_hack_help (core);
break;
case ' ':
case '*':
{ const char *file = input[1]=='*'? input+2: input+1;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_massemble (core->assembler, file);
if (acode) {
if (input[1]=='*') {
cmd_write_hexpair(core, acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s) = wx %s\n", acode->len, input+2, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core);
}
r_asm_code_free (acode);
}
} break;
case 'f': // "wof"
if ((input[2]==' '||input[2]=='*')) {
const char *file = input[2]=='*'? input+4: input+3;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_assemble_file (core->assembler, file);
if (acode) {
if (input[2]=='*') {
cmd_write_hexpair(core, acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s)=wx %s\n", acode->len, input+1, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core);
}
r_asm_code_free (acode);
} else eprintf ("Cannot assemble file\n");
} else eprintf ("Wrong argument\n");
break;
default:
{
const char* help_msg[] = {
"Usage:", "wa[of*] [arg]", "",
"wa", " nop", "write nopcode using asm.arch and asm.bits",
"wa*", " mov eax, 33", "show 'wx' op with hexpair bytes of assembled opcode",
"\"wa nop;nop\"", "" , "assemble more than one instruction (note the quotes)",
"waf", "foo.asm" , "assemble file and write bytes",
"wao?", "", "show help for assembler operation on current opcode (hack)",
NULL};
r_core_cmd_help (core, help_msg);
break;
}
}
break;
case 'b': // "wb"
{
int len = strlen (input);
ut8 *buf = malloc (len+1);
if (buf) {
len = r_hex_str2bin (input+1, buf);
if (len > 0) {
r_mem_copyloop (core->block, buf, core->blocksize, len);
r_core_write_at (core, core->offset, core->block, core->blocksize);
WSEEK (core, core->blocksize);
r_core_block_read (core);
} else eprintf ("Wrong argument\n");
free (buf);
} else eprintf ("Cannot malloc %d\n", len+1);
}
break;
case 'm':
size = r_hex_str2bin (input+1, (ut8*)str);
switch (input[1]) {
case '\0':
eprintf ("Current write mask: TODO\n");
// TODO
break;
case '?':
break;
case '-':
r_io_set_write_mask (core->io, 0, 0);
eprintf ("Write mask disabled\n");
break;
case ' ':
if (size>0) {
r_io_use_desc (core->io, core->file->desc);
r_io_set_write_mask (core->io, (const ut8*)str, size);
WSEEK (core, size);
eprintf ("Write mask set to '");
for (i=0; i<size; i++)
eprintf ("%02x", str[i]);
eprintf ("'\n");
} else eprintf ("Invalid string\n");
break;
}
break;
case 'v':
cmd_write_value (core, input);
break;
case 'o':
cmd_write_op (core, input);
break;
case 'd':
if (input[1] && input[1]==' ') {
char *arg, *inp = strdup (input+2);
arg = strchr (inp, ' ');
if (arg) {
*arg = 0;
ut64 addr = r_num_math (core->num, input+2);
ut64 len = r_num_math (core->num, arg+1);
ut8 *data = malloc (len);
r_io_read_at (core->io, addr, data, len);
r_io_write_at (core->io, core->offset, data, len);
free (data);
} else eprintf ("See wd?\n");
free (inp);
} else eprintf ("Usage: wd [source-offset] [length] @ [dest-offset]\n");
break;
case 's':
if (str && *str && str[1]) {
len = r_str_unescape (str+1);
if (len>255) {
eprintf ("Too large\n");
} else {
ut8 ulen = (ut8)len;
r_core_write_at (core, core->offset, &ulen, 1);
r_core_write_at (core, core->offset+1, (const ut8*)str+1, len);
WSEEK (core, len);
r_core_block_read (core);
}
} else eprintf ("Too short.\n");
break;
default:
case '?':
if (core->oobi) {
eprintf ("Writing oobi buffer!\n");
r_io_use_desc (core->io, core->file->desc);
r_io_write (core->io, core->oobi, core->oobi_len);
WSEEK (core, core->oobi_len);
r_core_block_read (core);
} else {
r_core_cmd_help (core, help_msg);
}
break;
}
- follow symlinks
#endif
R_API int r_core_rtr_http(RCore *core, int launch, const char *path) {
RSocketHTTPRequest *rs;
int oldsandbox = -1;
int timeout = r_config_get_i (core->config, "http.timeout");
int x = r_config_get_i (core->config, "scr.html");
int y = r_config_get_i (core->config, "scr.color");
int z = r_config_get_i (core->config, "asm.bytes");
int u = r_config_get_i (core->config, "scr.interactive");
int v = r_config_get_i (core->config, "asm.cmtright");
const char *port = r_config_get (core->config, "http.port");
if (r_sandbox_enable (0)) {
eprintf ("sandbox: connect disabled\n");
return 1;
}
s = r_socket_new (R_FALSE);
s->local = !r_config_get_i (core->config, "http.public");
if (!r_socket_listen (s, port, NULL)) {
eprintf ("Cannot listen on http.port\n");
return 1;
}
if (launch) {
char cmd[128];
const char *browser = r_config_get (core->config, "http.browser");
snprintf (cmd, sizeof (cmd)-1, "%s http://localhost:%d/%s",
browser, atoi (port), path?path:"");
r_sys_cmd (cmd);
}
r_config_set (core->config, "asm.cmtright", "false");
r_config_set (core->config, "scr.html", "true");
r_config_set (core->config, "scr.color", "false");
r_config_set (core->config, "asm.bytes", "false");
r_config_set (core->config, "scr.interactive", "false");
if (r_config_get_i (core->config, "http.sandbox")) {
oldsandbox = r_config_get_i (core->config, "cfg.sandbox");
r_config_set (core->config, "cfg.sandbox", "true");
}
eprintf ("Starting http server...\n");
eprintf ("http://localhost:%d/\n", atoi (port));
while (!r_cons_singleton ()->breaked) {
r_cons_break (http_break, core);
rs = r_socket_http_accept (s, timeout);
if (!rs) {
if (!s) break;
r_sys_usleep (200);
continue;
}
if (!rs->method || !rs->path) {
r_socket_http_close (rs);
continue;
}
if (!strcmp (rs->method, "GET")) {
if (!memcmp (rs->path, "/up", 3)) {
if (r_config_get_i (core->config, "http.upget")) {
const char *uproot = r_config_get (core->config, "http.uproot");
if (!rs->path[3] || (rs->path[3]=='/'&&!rs->path[4])) {
char *ptr = strdup ("<html><body>\n");
const char *file;
RListIter *iter;
// list files
RList *files = r_sys_dir (uproot);
eprintf ("Listing directory %s\n", uproot);
r_list_foreach (files, iter, file) {
if (file[0] == '.') continue;
ptr = r_str_concatf (ptr, "<a href=\"/up/%s\">%s</a><br />\n",
file, file);
}
r_list_free (files);
ptr = r_str_concat (ptr, "<html><body>\n");
r_socket_http_response (rs, 200, ptr, 0, NULL);
} else {
char *path = r_file_root (uproot, rs->path + 4);
if (r_file_exists (path)) {
int sz = 0;
char *f = r_file_slurp (path, &sz);
if (f) {
r_socket_http_response (rs, 200, f, sz, NULL);
free (f);
} else {
r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
eprintf ("http: Cannot open '%s'\n", path);
}
} else {
eprintf ("File '%s' not found\n", path);
r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
}
free (path);
}
} else {
r_socket_http_response (rs, 403,
"Permission denied\n", 0, NULL);
}
} else if (!memcmp (rs->path, "/cmd/", 5)) {
static int runfile () {
if (!_program) {
printf ("No program rule defined\n");
return 1;
}
if (_stdin) {
int f = open (_stdin, O_RDONLY);
close (0);
dup2 (f, 0);
}
if (_stdout) {
int f = open (_stdout, O_RDONLY);
close (1);
dup2 (f, 1);
}
if (_stderr) {
int f = open (_stderr, O_RDONLY);
close (2);
dup2 (f, 2);
}
if (_connect) {
char *p = strchr (_connect, ':');
if (p) {
RSocket *fd = r_socket_new (0);
*p=0;
if (!r_socket_connect_tcp (fd, _connect, p+1, 30)) {
eprintf ("Cannot connect\n");
return 1;
}
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (fd->fd, 0);
dup2 (fd->fd, 1);
dup2 (fd->fd, 2);
} else {
eprintf ("Invalid format for connect. missing ':'\n");
return 1;
}
}
if (_listen) {
RSocket *child, *fd = r_socket_new (0);
if (!r_socket_listen (fd, _listen, NULL)) {
eprintf ("rarun2: cannot listen\n");
return 1;
}
child = r_socket_accept (fd);
if (child) {
eprintf ("connected\n");
close (0);
close (1);
close (2);
dup2 (child->fd, 0);
dup2 (child->fd, 1);
dup2 (child->fd, 2);
}
}
if (_chgdir) chdir (_chgdir);
if (_chroot) chdir (_chroot);
#if __UNIX__
if (_chroot) {
if (chroot (".")) {
eprintf ("rarun2: cannot chroot\n");
return 1;
}
}
if (_setuid) setuid (atoi (_setuid));
if (_seteuid) seteuid (atoi (_seteuid));
if (_setgid) setgid (atoi (_setgid));
if (_input) {
int f2[2];
pipe (f2);
close (0);
dup2 (f2[0], 0);
parseinput (_input);
write (f2[1], _input, strlen (_input));
}
#endif
if (_preload) {
#if __APPLE__
r_sys_setenv ("DYLD_PRELOAD", _preload);
#else
r_sys_setenv ("LD_PRELOAD", _preload);
#endif
}
if (_timeout) {
#if __UNIX__
int mypid = getpid ();
if (!fork ()) {
sleep (_timeout);
if (!kill (mypid, 0))
fprintf (stderr, "\nrarun2: Interrupted by timeout\n");
kill (mypid, SIGKILL);
exit (0);
}
#else
eprintf ("timeout not supported for this platform\n");
#endif
}
if (!r_file_exists (_program)) {
eprintf ("rarun2: %s: file not found\n", _program);
return 1;
}
exit (execv (_program, _args));
}
R_API int r_core_rtr_http(RCore *core, int launch, const char *path) {
char buf[32];
RSocketHTTPRequest *rs;
int iport, oldsandbox = -1;
int timeout = r_config_get_i (core->config, "http.timeout");
int x = r_config_get_i (core->config, "scr.html");
int y = r_config_get_i (core->config, "scr.color");
int z = r_config_get_i (core->config, "asm.bytes");
int u = r_config_get_i (core->config, "scr.interactive");
int v = r_config_get_i (core->config, "asm.cmtright");
const char *port = r_config_get (core->config, "http.port");
char *allow = (char *)r_config_get (core->config, "http.allow");
if (core->http_up) {
eprintf ("http server is already running\n");
return 1;
}
if (r_sandbox_enable (0)) {
eprintf ("sandbox: connect disabled\n");
return 1;
}
if (path && atoi (path)) {
port = path;
path = NULL;
}
if (!strcmp (port, "0")) {
r_num_irand ();
iport = 1024+r_num_rand (45256);
snprintf (buf, sizeof (buf), "%d", iport);
port = buf;
}
s = r_socket_new (R_FALSE);
s->local = !r_config_get_i (core->config, "http.public");
if (!r_socket_listen (s, port, NULL)) {
eprintf ("Cannot listen on http.port\n");
return 1;
}
if (launch) {
char cmd[128];
const char *browser = r_config_get (core->config, "http.browser");
snprintf (cmd, sizeof (cmd)-1, "%s http://localhost:%d/%s &",
browser, atoi (port), path?path:"");
r_sys_cmd (cmd);
}
r_config_set (core->config, "asm.cmtright", "false");
r_config_set (core->config, "scr.html", "true");
r_config_set (core->config, "scr.color", "false");
r_config_set (core->config, "asm.bytes", "false");
r_config_set (core->config, "scr.interactive", "false");
if (r_config_get_i (core->config, "http.sandbox")) {
oldsandbox = r_config_get_i (core->config, "cfg.sandbox");
r_config_set (core->config, "cfg.sandbox", "true");
}
eprintf ("Starting http server...\n");
eprintf ("http://localhost:%d/\n", atoi (port));
core->http_up = R_TRUE;
while (!r_cons_singleton ()->breaked) {
r_cons_break ((RConsBreak)http_break, core);
rs = r_socket_http_accept (s, timeout);
if (!rs) {
if (!s) break;
r_sys_usleep (100);
continue;
}
if (allow && *allow) {
int accepted = R_FALSE;
const char *host;
char *p, *peer = r_socket_to_string (rs->s);
char *allows = strdup (allow);
//eprintf ("Firewall (%s)\n", allows);
int i, count = r_str_split (allows, ',');
p = strchr (peer, ':');
if (p) *p = 0;
for (i=0; i<count; i++) {
host = r_str_word_get0 (allows, i);
//eprintf ("--- (%s) (%s)\n", host, peer);
if (!strcmp (host, peer)) {
accepted = R_TRUE;
break;
}
}
free (peer);
free (allows);
if (!accepted) {
r_socket_http_close (rs);
continue;
}
}
if (!rs->method || !rs->path) {
eprintf ("Invalid http headers received from client\n");
r_socket_http_close (rs);
continue;
}
char *dir = NULL;
if (r_config_get_i (core->config, "http.dirlist"))
if (r_file_is_directory (rs->path))
dir = strdup (rs->path);
if (!strcmp (rs->method, "GET")) {
if (!memcmp (rs->path, "/up", 3)) {
if (r_config_get_i (core->config, "http.upget")) {
const char *uproot = r_config_get (core->config, "http.uproot");
if (!rs->path[3] || (rs->path[3]=='/'&&!rs->path[4])) {
char *ptr = rtr_dir_files (uproot);
r_socket_http_response (rs, 200, ptr, 0, NULL);
free (ptr);
} else {
char *path = r_file_root (uproot, rs->path + 4);
if (r_file_exists (path)) {
int sz = 0;
char *f = r_file_slurp (path, &sz);
if (f) {
r_socket_http_response (rs, 200, f, sz, NULL);
free (f);
} else {
r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
eprintf ("http: Cannot open '%s'\n", path);
}
} else {
if (dir) {
char *resp = rtr_dir_files (dir);
r_socket_http_response (rs, 404, resp, 0, NULL);
free (resp);
} else {
eprintf ("File '%s' not found\n", path);
r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
}
}
free (path);
}
} else {
r_socket_http_response (rs, 403,
"Permission denied\n", 0, NULL);
}
} else if (!memcmp (rs->path, "/cmd/", 5)) {
char *cmd = rs->path +5;
char foo[32];
const char *httpcmd = r_config_get (core->config, "http.uri");
while (*cmd=='/') cmd++;
if (httpcmd && *httpcmd) {
int len;
char *res;
// do remote http query and proxy response
snprintf (foo, sizeof (foo), "%s/%s", httpcmd, cmd);
res = r_socket_http_get (foo, NULL, &len);
if (res) {
res[len]=0;
r_cons_printf ("%s\n", res);
}
} else {
char *out, *cmd = rs->path+5;
r_str_uri_decode (cmd);
// eprintf ("CMD (%s)\n", cmd);
out = r_core_cmd_str_pipe (core, cmd);
// eprintf ("\nOUT LEN = %d\n", strlen (out));
if (out) {
char *res = r_str_uri_encode (out);
r_socket_http_response (rs, 200, out, 0,
"Content-Type: text/plain\n");
free (out);
free (res);
} else r_socket_http_response (rs, 200, "", 0, NULL);
}
} else {
const char *root = r_config_get (core->config, "http.root");
char *path = r_file_root (root, rs->path);
// FD IS OK HERE
if (rs->path [strlen (rs->path)-1] == '/') {
path = r_str_concat (path, "index.html");
//rs->path = r_str_concat (rs->path, "index.html");
} else {
//snprintf (path, sizeof (path), "%s/%s", root, rs->path);
if (r_file_is_directory (path)) {
char res[128];
snprintf (res, sizeof (res),
"Location: %s/\n", rs->path);
r_socket_http_response (rs, 302,
NULL, 0, res);
r_socket_http_close (rs);
free (path);
free (dir);
dir = NULL;
continue;
}
}
if (r_file_exists (path)) {
int sz = 0;
char *f = r_file_slurp (path, &sz);
if (f) {
const char *contenttype = NULL;
if (strstr (path, ".js")) contenttype = "Content-Type: application/javascript\n";
if (strstr (path, ".css")) contenttype = "Content-Type: text/css\n";
if (strstr (path, ".html")) contenttype = "Content-Type: text/html\n";
r_socket_http_response (rs, 200, f, sz, contenttype);
free (f);
} else {
r_socket_http_response (rs, 403, "Permission denied", 0, NULL);
eprintf ("http: Cannot open '%s'\n", path);
}
} else {
if (dir) {
char *resp = rtr_dir_files (dir);
eprintf ("Dirlisting %s\n", dir);
r_socket_http_response (rs, 404, resp, 0, NULL);
free (resp);
} else {
eprintf ("File '%s' not found\n", path);
r_socket_http_response (rs, 404, "File not found\n", 0, NULL);
}
}
free (path);
}
} else
if (!strcmp (rs->method, "POST")) {
ut8 *ret;
int retlen;
char buf[128];
if (r_config_get_i (core->config, "http.upload")) {
ret = r_socket_http_handle_upload (
rs->data, rs->data_length, &retlen);
if (ret) {
ut64 size = r_config_get_i (core->config, "http.maxsize");
if (size && retlen > size) {
r_socket_http_response (rs, 403, "403 File too big\n", 0, NULL);
} else {
char *filename = r_file_root (
r_config_get (core->config, "http.uproot"),
rs->path + 4);
eprintf ("UPLOADED '%s'\n", filename);
r_file_dump (filename, ret, retlen);
free (filename);
snprintf (buf, sizeof (buf),
"<html><body><h2>uploaded %d bytes. Thanks</h2>\n", retlen);
r_socket_http_response (rs, 200, buf, 0, NULL);
}
free (ret);
}
} else {
r_socket_http_response (rs, 403, "403 Forbidden\n", 0, NULL);
}
} else {
r_socket_http_response (rs, 404, "Invalid protocol", 0, NULL);
}
r_socket_http_close (rs);
free (dir);
}
core->http_up = R_FALSE;
r_socket_free (s);
r_cons_break_end ();
r_config_set_i (core->config, "scr.html", x);
r_config_set_i (core->config, "scr.color", y);
r_config_set_i (core->config, "asm.bytes", z);
r_config_set_i (core->config, "scr.interactive", u);
r_config_set_i (core->config, "asm.cmtright", v);
if (oldsandbox != -1)
r_config_set_i (core->config, "cfg.sandbox", oldsandbox);
return 0;
}
R_API void r_core_rtr_add(RCore *core, const char *_input) {
char *port, input[1024], *host = NULL, *file = NULL, *ptr = NULL, buf[1024];
int proto, i;
RSocket *fd;
strncpy (input, _input, sizeof (input)-4);
/* Parse uri */
if ((ptr = strstr(input, "tcp://"))) {
proto = RTR_PROT_TCP;
host = ptr+6;
} else if ((ptr = strstr(input, "udp://"))) {
proto = RTR_PROT_UDP;
host = ptr+6;
} else if ((ptr = strstr(input, "rap://"))) {
proto = RTR_PROT_RAP;
host = ptr+6;
} else {
proto = RTR_PROT_RAP;
host = input;
}
while (*host&&iswhitechar(*host))
host++;
if (!(ptr = strchr (host, ':'))) {
eprintf ("Error: Port is not specified\n");
return;
}
ptr[0] = '\0';
ptr = ptr+1;
if (!(file = strchr (ptr, '/'))) {
eprintf("Error: Missing '/'\n");
return;
}
file[0] = '\0';
file = file+1;
port = ptr;
fd = r_socket_new (R_FALSE);
if (!fd) {
eprintf ("Error: Cannot create new socket\n");
return;
}
switch (proto) {
case RTR_PROT_RAP:
if (!r_socket_connect_tcp (fd, host, port)) { //TODO: Use rap.ssl
eprintf ("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
eprintf ("Connected to: %s at port %s\n", host, port);
/* send */
buf[0] = RTR_RAP_OPEN;
buf[1] = 0;
buf[2] = (ut8)(strlen (file)+1);
memcpy (buf+3, file, buf[2]);
r_socket_write(fd, buf, 3+buf[2]);
/* read */
eprintf ("waiting... "); fflush(stdout);
r_socket_read (fd, (ut8*)buf, 5);
r_mem_copyendian ((ut8 *)&i, (ut8*)buf+1, 4, core->assembler->big_endian);
if (buf[0] != (char)(RTR_RAP_OPEN|RTR_RAP_REPLY) || i<= 0) {
eprintf ("Error: Wrong reply\n");
return;
}
eprintf ("ok\n");
break;
case RTR_PROT_TCP:
if (!r_socket_connect_tcp (fd, host, port)) { //TODO: Use rap.ssl
eprintf("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
eprintf ("Connected to: %s at port %s\n", host, port);
break;
case RTR_PROT_UDP:
if (!r_socket_connect_udp(fd, host, port)) { //TODO: Use rap.ssl
eprintf("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
eprintf("Connected to: %s at port %s\n", host, port);
break;
}
for (i = 0; i < RTR_MAX_HOSTS; i++)
if (!rtr_host[i].fd) {
rtr_host[i].proto = proto;
memcpy (rtr_host[i].host, host, 512);
rtr_host[i].port = atoi(port);
memcpy (rtr_host[i].file, file, 1024);
rtr_host[i].fd = fd;
rtr_n = i;
break;
}
r_core_rtr_list (core);
}
int main(int argc, char **argv) {
RSocket *s;
RSocketHTTPRequest *rs;
int c, timeout = 3;
int dodaemon = 0;
int dosandbox = 0;
bool listenlocal = true;
const char *port = "8080";
while ((c = getopt (argc, argv, "adhp:sv")) != -1) {
switch (c) {
case 'a':
listenlocal = false;
break;
case 's':
dosandbox = 1;
break;
case 'd':
dodaemon = 1;
break;
case 'h':
return usage (1);
case 'v':
return showversion ();
case 'p':
port = optarg;
break;
default:
return usage (0);
}
}
if (optind != argc) {
return usage (0);
}
#if USE_IOS_JETSAM
memorystatus_control (MEMORYSTATUS_CMD_SET_JETSAM_TASK_LIMIT, getpid (), 256, NULL, 0);
#endif
if (dodaemon) {
#if LIBC_HAVE_FORK
int pid = fork ();
#else
int pid = -1;
#endif
if (pid > 0) {
printf ("%d\n", pid);
return 0;
}
}
s = r_socket_new (false);
s->local = listenlocal;
if (!r_socket_listen (s, port, NULL)) {
eprintf ("Cannot listen on %d\n", s->port);
r_socket_free (s);
return 1;
}
eprintf ("http://localhost:%d/\n", s->port);
if (dosandbox && !r_sandbox_enable (true)) {
eprintf ("sandbox: Cannot be enabled.\n");
return 1;
}
while (!r_cons_singleton ()->breaked) {
char *result_heap = NULL;
const char *result = page_index;
rs = r_socket_http_accept (s, timeout);
if (!rs) continue;
if (!strcmp (rs->method, "GET")) {
if (!strncmp (rs->path, "/proc/kill/", 11)) {
// TODO: show page here?
int pid = atoi (rs->path + 11);
if (pid > 0) {
kill (pid, 9);
}
} else if (!strncmp (rs->path, "/file/open/", 11)) {
int pid;
int session_port = 3000 + r_num_rand (1024);
char *filename = rs->path + 11;
int filename_len = strlen (filename);
char *cmd;
if (!(cmd = malloc (filename_len + 40))) {
perror ("malloc");
return 1;
}
sprintf (cmd, "r2 -q %s-e http.port=%d -c=h \"%s\"",
listenlocal? "": "-e http.bind=public ",
session_port, filename);
// TODO: use r_sys api to get pid when running in bg
pid = r_sys_cmdbg (cmd);
free (cmd);
result = result_heap = malloc (1024 + filename_len);
if (!result) {
perror ("malloc");
return 1;
}
sprintf (result_heap,
"<html><body>"
"<a href='/'>back</a><hr size=1/>"
" - <a target='_blank' href='http://localhost:%d/'>open</a><br />"
" - <a href='/proc/kill/%d'>kill</a><br />"
"</body></html>", session_port, pid);
eprintf ("\nchild pid %d\n\n", pid);
}
}
r_socket_http_response (rs, 200, result, 0, NULL);
r_socket_http_close (rs);
free (result_heap);
result_heap = NULL;
}
r_socket_free (s);
return 0;
}
R_API int r_run_config_env(RRunProfile *p) {
int ret;
if (!p->_program && !p->_system && !p->_runlib) {
printf ("No program, system or runlib rule defined\n");
return 1;
}
// when IO is redirected to a process, handle them together
if (handle_redirection (p->_stdio, true, true, false) != 0) {
return 1;
}
if (handle_redirection (p->_stdin, true, false, false) != 0) {
return 1;
}
if (handle_redirection (p->_stdout, false, true, false) != 0) {
return 1;
}
if (handle_redirection (p->_stderr, false, false, true) != 0) {
return 1;
}
if (p->_aslr != -1) {
setASLR (p, p->_aslr);
}
#if __UNIX__
set_limit (p->_docore, RLIMIT_CORE, RLIM_INFINITY);
if (p->_maxfd) {
set_limit (p->_maxfd, RLIMIT_NOFILE, p->_maxfd);
}
#ifdef RLIMIT_NPROC
if (p->_maxproc) {
set_limit (p->_maxproc, RLIMIT_NPROC, p->_maxproc);
}
#endif
if (p->_maxstack) {
set_limit (p->_maxstack, RLIMIT_STACK, p->_maxstack);
}
#else
if (p->_docore || p->_maxfd || p->_maxproc || p->_maxstack)
eprintf ("Warning: setrlimits not supported for this platform\n");
#endif
if (p->_connect) {
char *q = strchr (p->_connect, ':');
if (q) {
RSocket *fd = r_socket_new (0);
*q = 0;
if (!r_socket_connect_tcp (fd, p->_connect, q+1, 30)) {
eprintf ("Cannot connect\n");
return 1;
}
if (p->_pty) {
if (redirect_socket_to_pty (fd) != 0) {
eprintf ("socket redirection failed\n");
r_socket_free (fd);
return 1;
}
} else {
redirect_socket_to_stdio (fd);
}
} else {
eprintf ("Invalid format for connect. missing ':'\n");
return 1;
}
}
if (p->_listen) {
RSocket *child, *fd = r_socket_new (0);
bool is_child = false;
if (!r_socket_listen (fd, p->_listen, NULL)) {
eprintf ("rarun2: cannot listen\n");
r_socket_free (fd);
return 1;
}
while (true) {
child = r_socket_accept (fd);
if (child) {
is_child = true;
if (p->_dofork && !p->_dodebug) {
#ifdef _MSC_VER
int child_pid = r_sys_fork ();
#else
pid_t child_pid = r_sys_fork ();
#endif
if (child_pid == -1) {
eprintf("rarun2: cannot fork\n");
r_socket_free (child);
r_socket_free (fd);
return 1;
} else if (child_pid != 0){
// parent code
is_child = false;
}
}
if (is_child) {
r_socket_close_fd (fd);
eprintf ("connected\n");
if (p->_pty) {
if (redirect_socket_to_pty (child) != 0) {
eprintf ("socket redirection failed\n");
r_socket_free (child);
r_socket_free (fd);
return 1;
}
} else {
redirect_socket_to_stdio (child);
}
break;
} else {
r_socket_close_fd (child);
}
}
}
if (!is_child) {
r_socket_free (child);
}
r_socket_free (fd);
}
if (p->_r2sleep != 0) {
r_sys_sleep (p->_r2sleep);
}
#if __UNIX__
if (p->_chroot) {
if (chdir (p->_chroot) == -1) {
eprintf ("Cannot chdir to chroot in %s\n", p->_chroot);
return 1;
} else {
if (chroot (".") == -1) {
eprintf ("Cannot chroot to %s\n", p->_chroot);
return 1;
} else {
// Silenting pedantic meson flags...
if (chdir ("/") == -1) {
eprintf ("Cannot chdir to /\n");
return 1;
}
if (p->_chgdir) {
if (chdir (p->_chgdir) == -1) {
eprintf ("Cannot chdir after chroot to %s\n", p->_chgdir);
return 1;
}
}
}
}
} else if (p->_chgdir) {
if (chdir (p->_chgdir) == -1) {
eprintf ("Cannot chdir after chroot to %s\n", p->_chgdir);
return 1;
}
}
#else
if (p->_chgdir) {
ret = chdir (p->_chgdir);
if (ret < 0) {
return 1;
}
}
if (p->_chroot) {
ret = chdir (p->_chroot);
if (ret < 0) {
return 1;
}
}
#endif
#if __UNIX__
if (p->_setuid) {
ret = setgroups (0, NULL);
if (ret < 0) {
return 1;
}
ret = setuid (atoi (p->_setuid));
if (ret < 0) {
return 1;
}
}
if (p->_seteuid) {
ret = seteuid (atoi (p->_seteuid));
if (ret < 0) {
return 1;
}
}
if (p->_setgid) {
ret = setgid (atoi (p->_setgid));
if (ret < 0) {
return 1;
}
}
if (p->_input) {
char *inp;
int f2[2];
if (pipe (f2) != -1) {
close (0);
dup2 (f2[0], 0);
} else {
eprintf ("[ERROR] rarun2: Cannot create pipe\n");
return 1;
}
inp = getstr (p->_input);
if (inp) {
size_t inpl = strlen (inp);
if (write (f2[1], inp, inpl) != inpl) {
eprintf ("[ERROR] rarun2: Cannot write to the pipe\n");
}
close (f2[1]);
free (inp);
} else {
eprintf ("Invalid input\n");
}
}
#endif
if (p->_r2preload) {
if (p->_preload) {
eprintf ("WARNING: Only one library can be opened at a time\n");
}
p->_preload = R2_LIBDIR"/libr2."R_LIB_EXT;
}
if (p->_libpath) {
#if __WINDOWS__
eprintf ("rarun2: libpath unsupported for this platform\n");
#elif __HAIKU__
r_sys_setenv ("LIBRARY_PATH", p->_libpath);
#elif __APPLE__
r_sys_setenv ("DYLD_LIBRARY_PATH", p->_libpath);
#else
r_sys_setenv ("LD_LIBRARY_PATH", p->_libpath);
#endif
}
if (p->_preload) {
#if __APPLE__
// 10.6
#ifndef __MAC_10_7
r_sys_setenv ("DYLD_PRELOAD", p->_preload);
#endif
r_sys_setenv ("DYLD_INSERT_LIBRARIES", p->_preload);
// 10.8
r_sys_setenv ("DYLD_FORCE_FLAT_NAMESPACE", "1");
#else
r_sys_setenv ("LD_PRELOAD", p->_preload);
#endif
}
if (p->_timeout) {
#if __UNIX__
int mypid = getpid ();
if (!r_sys_fork ()) {
int use_signal = p->_timeout_sig;
if (use_signal < 1) {
use_signal = SIGKILL;
}
sleep (p->_timeout);
if (!kill (mypid, 0)) {
eprintf ("\nrarun2: Interrupted by timeout\n");
}
kill (mypid, use_signal);
exit (0);
}
#else
eprintf ("timeout not supported for this platform\n");
#endif
}
return 0;
}
static RIODesc *rap__open(RIO *io, const char *pathname, int rw, int mode) {
int i, p, listenmode;
char *file, *port;
const char *ptr;
RSocket *rap_fd;
char buf[1024];
RIORap *rior;
if (!rap__plugin_open (io, pathname, 0)) {
return NULL;
}
bool is_ssl = (!strncmp (pathname, "raps://", 7));
ptr = pathname + (is_ssl? 7: 6);
if (!(port = strchr (ptr, ':'))) {
eprintf ("rap: wrong uri\n");
return NULL;
}
listenmode = (*ptr == ':');
*port++ = 0;
if (!*port) {
return NULL;
}
p = atoi (port);
if ((file = strchr (port + 1, '/'))) {
*file = 0;
file++;
}
if (r_sandbox_enable (0)) {
eprintf ("sandbox: Cannot use network\n");
return NULL;
}
if (listenmode) {
if (p <= 0) {
eprintf ("rap: cannot listen here. Try rap://:9999\n");
return NULL;
}
//TODO: Handle ^C signal (SIGINT, exit); // ???
eprintf ("rap: listening at port %s ssl %s\n", port, (is_ssl)?"on":"off");
rior = R_NEW0 (RIORap);
rior->listener = true;
rior->client = rior->fd = r_socket_new (is_ssl);
if (!rior->fd) {
free (rior);
return NULL;
}
if (is_ssl) {
if (file && *file) {
if (!r_socket_listen (rior->fd, port, file)) {
free (rior);
return NULL;
}
} else {
free (rior);
return NULL;
}
} else {
if (!r_socket_listen (rior->fd, port, NULL)) {
return NULL;
}
}
return r_io_desc_new (&r_io_plugin_rap, rior->fd->fd,
pathname, rw, mode, rior);
}
if (!(rap_fd = r_socket_new (is_ssl))) {
eprintf ("Cannot create new socket\n");
return NULL;
}
if (r_socket_connect_tcp (rap_fd, ptr, port, 30) == false) {
eprintf ("Cannot connect to '%s' (%d)\n", ptr, p);
r_socket_free (rap_fd);
return NULL;
}
eprintf ("Connected to: %s at port %s\n", ptr, port);
rior = R_NEW0 (RIORap);
rior->listener = false;
rior->client = rior->fd = rap_fd;
if (file && *file) {
// send
buf[0] = RMT_OPEN;
buf[1] = rw;
buf[2] = (ut8)strlen (file);
memcpy (buf + 3, file, buf[2]);
r_socket_write (rap_fd, buf, buf[2] + 3);
r_socket_flush (rap_fd);
// read
eprintf ("waiting... ");
buf[0] = 0;
r_socket_read_block (rap_fd, (ut8*)buf, 5);
if (buf[0] != (char)(RMT_OPEN | RMT_REPLY)) {
eprintf ("rap: Expecting OPEN|REPLY packet. got %02x\n", buf[0]);
r_socket_free (rap_fd);
free (rior);
return NULL;
}
i = r_read_at_be32 (buf, 1);
if (i > 0) {
eprintf ("ok\n");
}
#if 0
/* Read meta info */
r_socket_read (rap_fd, (ut8 *)&buf, 4);
r_mem_copyendian ((ut8 *)&i, (ut8*)buf, 4, ENDIAN);
while (i>0) {
int n = r_socket_read (rap_fd, (ut8 *)&buf, i);
if (n<1) break;
buf[i] = 0;
io->core_cmd_cb (io->user, buf);
n = r_socket_read (rap_fd, (ut8 *)&buf, 4);
if (n<1) break;
r_mem_copyendian ((ut8 *)&i, (ut8*)buf, 4, ENDIAN);
i -= n;
}
#endif
} else {
// r_socket_free (rap_fd);
// free (rior);
//return NULL;
}
//r_socket_free (rap_fd);
return r_io_desc_new (&r_io_plugin_rap, rior->fd->fd,
pathname, rw, mode, rior);
}
R_API void r_core_rtr_add(RCore *core, const char *_input) {
char *port, input[1024], *host = NULL, *file = NULL, *ptr = NULL, buf[1024];
int proto, i, timeout, ret;
RSocket *fd;
timeout = r_config_get_i (core->config, "http.timeout");
strncpy (input, _input, sizeof (input)-4);
/* Parse uri */
if ((ptr = strstr (input, "tcp://"))) {
proto = RTR_PROT_TCP;
host = ptr+6;
} else if ((ptr = strstr(input, "http://"))) {
proto = RTR_PROT_HTTP;
host = ptr+7;
} else if ((ptr = strstr(input, "udp://"))) {
proto = RTR_PROT_UDP;
host = ptr+6;
} else if ((ptr = strstr(input, "rap://"))) {
proto = RTR_PROT_RAP;
host = ptr+6;
} else {
proto = RTR_PROT_RAP;
host = input;
}
while (*host && iswhitechar (*host))
host++;
if (!(ptr = strchr (host, ':'))) {
ptr = host;
port = "80";
} else {
*ptr++ = '\0';
port = ptr;
}
if (!(file = strchr (ptr, '/'))) {
eprintf("Error: Missing '/'\n");
return;
}
*file++ = 0;
port = r_str_chop (port);
while (*file==' ') file++;
if (r_sandbox_enable (0)) {
eprintf ("sandbox: connect disabled\n");
return;
}
fd = r_socket_new (R_FALSE);
if (!fd) {
eprintf ("Error: Cannot create new socket\n");
return;
}
switch (proto) {
case RTR_PROT_HTTP:
{
char uri[1024], prompt[64];
int len;
char *str, *res;
if (file[strlen (file)-1]=='/') {
snprintf (prompt, sizeof (prompt), "[http://%s:%s/%s]> ",
host, port, file);
r_line_set_prompt (prompt);
for (;;) {
char *ptr, *str = r_line_readline ();
if (!str || !*str) break;
if (*str == 'q') break;
ptr = r_str_uri_encode (str);
if (ptr) str = ptr;
snprintf (uri, sizeof (uri), "http://%s:%s/%s%s",
host, port, file, str);
if (ptr == str) free (ptr);
str = r_socket_http_get (uri, NULL, &len);
if (str) {
str[len] = 0;
res = strstr (str, "\n\n");
if (res) res = strstr (res+1, "\n\n");
if (res) res += 2; else res = str;
printf ("%s%s", res, (res[strlen (res)-1]=='\n')?"":"\n");
r_line_hist_add (str);
free (str);
}
}
r_socket_free (fd);
return;
}
snprintf (uri, sizeof (uri), "http://%s:%s/%s",
host, port, file);
str = r_socket_http_get (uri, NULL, &len);
if (str) {
str[len] = 0;
res = strstr (str, "\n\n");
if (res) res = strstr (res+1, "\n\n");
if (res) res += 2; else res = str;
printf ("%s", res);
free (str);
} else eprintf ("HTTP connection has failed\n");
// do not add connection. wtf
return;
}
break;
case RTR_PROT_RAP:
if (!r_socket_connect_tcp (fd, host, port, timeout)) { //TODO: Use rap.ssl
eprintf ("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
eprintf ("Connected to %s at port %s\n", host, port);
/* send */
buf[0] = RTR_RAP_OPEN;
buf[1] = 0;
buf[2] = (ut8)(strlen (file)+1);
memcpy (buf+3, file, buf[2]);
r_socket_write(fd, buf, 3+buf[2]);
/* read */
eprintf ("waiting... "); fflush(stdout);
r_socket_read (fd, (ut8*)buf, 5);
r_mem_copyendian ((ut8 *)&i, (ut8*)buf+1, 4, core->assembler->big_endian);
if (buf[0] != (char)(RTR_RAP_OPEN|RTR_RAP_REPLY) || i<= 0) {
eprintf ("Error: Wrong reply\n");
return;
}
eprintf ("ok\n");
break;
case RTR_PROT_TCP:
if (!r_socket_connect_tcp (fd, host, port, timeout)) { //TODO: Use rap.ssl
core->num->value = 1;
eprintf("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
core->num->value = 0;
eprintf ("Connected to: %s at port %s\n", host, port);
break;
case RTR_PROT_UDP:
if (!r_socket_connect_udp (fd, host, port, timeout)) { //TODO: Use rap.ssl
core->num->value = 1;
eprintf ("Error: Cannot connect to '%s' (%s)\n", host, port);
return;
}
core->num->value = 0;
eprintf("Connected to: %s at port %s\n", host, port);
break;
}
ret = core->num->value;
for (i = 0; i < RTR_MAX_HOSTS; i++)
if (!rtr_host[i].fd) {
rtr_host[i].proto = proto;
memcpy (rtr_host[i].host, host, 512);
rtr_host[i].port = r_num_get (core->num, port);
memcpy (rtr_host[i].file, file, 1024);
rtr_host[i].fd = fd;
rtr_n = i;
break;
}
core->num->value = ret;
r_socket_free(fd);
//r_core_rtr_list (core);
}
