static int rap__write(RIO *io, RIODesc *fd, const ut8 *buf, int count) {
RSocket *s = RIORAP_FD (fd);
ut8 *tmp;
int ret;
if (count < 1) {
return count;
}
// TOOD: if count > RMT_MAX iterate !
if (count > RMT_MAX) {
count = RMT_MAX;
}
if (!(tmp = (ut8 *)malloc (count + 5))) {
eprintf ("rap__write: malloc failed\n");
return -1;
}
tmp[0] = RMT_WRITE;
r_write_be32 (tmp + 1, count);
memcpy (tmp + 5, buf, count);
ret = r_socket_write (s, tmp, count + 5);
r_socket_flush (s);
if (r_socket_read (s, tmp, 5) != 5) { // TODO read_block?
eprintf ("rap__write: error\n");
ret = -1;
} else {
ret = r_read_be32 (tmp + 1);
if (!ret) {
ret = -1;
}
}
free (tmp);
return ret;
}
static int rap__read(RIO *io, RIODesc *fd, ut8 *buf, int count) {
RSocket *s = RIORAP_FD (fd);
int ret, i = (int)count;
ut8 tmp[5];
// XXX. if count is > RMT_MAX, just perform multiple queries
if (count > RMT_MAX) {
count = RMT_MAX;
}
// send
tmp[0] = RMT_READ;
r_write_be32 (tmp + 1, count);
r_socket_write (s, tmp, 5);
r_socket_flush (s);
// recv
ret = r_socket_read_block (s, tmp, 5);
if (ret != 5 || tmp[0] != (RMT_READ | RMT_REPLY)) {
eprintf ("rap__read: Unexpected rap read reply "
"(%d=0x%02x) expected (%d=0x%02x)\n",
ret, tmp[0], 2, (RMT_READ | RMT_REPLY));
return -1;
}
i = r_read_at_be32 (tmp, 1);
if (i >count) {
eprintf ("rap__read: Unexpected data size %d\n", i);
return -1;
}
r_socket_read_block (s, buf, i);
return count;
}
static int rap__read(struct r_io_t *io, RIODesc *fd, ut8 *buf, int count) {
RSocket *s = RIORAP_FD (fd);
int ret;
int i = (int)count;
ut8 tmp[5];
if (count>RMT_MAX)
count = RMT_MAX;
// send
tmp[0] = RMT_READ;
r_mem_copyendian (tmp+1, (ut8*)&count, 4, ENDIAN);
r_socket_write (s, tmp, 5);
r_socket_flush (s);
// recv
ret = r_socket_read_block (s, tmp, 5);
if (ret != 5 || tmp[0] != (RMT_READ|RMT_REPLY)) {
eprintf ("rap__read: Unexpected rap read reply "
"(%d=0x%02x) expected (%d=0x%02x)\n",
ret, tmp[0], 2, (RMT_READ|RMT_REPLY));
return -1;
}
r_mem_copyendian ((ut8*)&i, tmp+1, 4, ENDIAN);
if (i>count) {
eprintf ("rap__read: Unexpected data size %d\n", i);
return -1;
}
r_socket_read_block (s, buf, i);
return count;
}
static int rap__system(RIO *io, RIODesc *fd, const char *command) {
RSocket *s = RIORAP_FD (fd);
ut8 buf[RMT_MAX];
char *ptr;
int op, ret, i, j = 0;
// send
if (*command=='!') {
op = RMT_SYSTEM;
command++;
} else
op = RMT_CMD;
buf[0] = op;
i = strlen (command)+1;
if (i>RMT_MAX) {
eprintf ("Command too long\n");
return -1;
}
r_mem_copyendian (buf+1, (ut8*)&i, 4, ENDIAN);
memcpy (buf+5, command, i);
r_socket_write (s, buf, i+5);
r_socket_flush (s);
// read
ret = r_socket_read_block (s, buf, 5);
if (ret != 5)
return -1;
if (buf[0] != (op | RMT_REPLY)) {
eprintf ("Unexpected system reply\n");
return -1;
}
r_mem_copyendian ((ut8*)&i, buf+1, 4, ENDIAN);
if (i == -1)
return -1;
ret = 0;
ptr = (char *)malloc (i);
if (ptr) {
int ir, tr = 0;
do {
ir = r_socket_read_block (s, (ut8*)ptr+tr, i-tr);
if (ir>0) tr += ir;
else break;
} while (tr<i);
// TODO: use io->printf() with support for \x00
ptr[i] = 0;
if (io->printf) {
io->printf ("%s", ptr);
j = i;
} else j = write (1, ptr, i);
free (ptr);
}
/* Clean */
if (ret > 0) {
ret -= r_socket_read (s, (ut8*)buf, RMT_MAX);
}
return i-j;
}
static int rap__system(RIO *io, RIODesc *fd, const char *command) {
RSocket *s = RIORAP_FD (fd);
ut8 buf[RMT_MAX];
char *ptr;
int op, ret, i, j = 0;
// send
if (*command=='!') {
op = RMT_SYSTEM;
command++;
} else
op = RMT_CMD;
buf[0] = op;
i = strlen (command);
if (i>RMT_MAX) {
eprintf ("Command too long\n");
return -1;
}
r_mem_copyendian (buf+1, (ut8*)&i, 4, ENDIAN);
memcpy (buf+5, command, i);
r_socket_write (s, buf, i+5);
r_socket_flush (s);
// read
ret = r_socket_read_block (s, buf, 5);
if (ret != 5)
return -1;
if (buf[0] != (op | RMT_REPLY)) {
eprintf ("Unexpected system reply\n");
return -1;
}
r_mem_copyendian ((ut8*)&i, buf+1, 4, ENDIAN);
if (i == -1)
return -1;
ret = 0;
if (i>RMT_MAX) {
ret = i-RMT_MAX;
i = RMT_MAX;
}
ptr = (char *)malloc (i);
if (ptr) {
r_socket_read_block (s, (ut8*)ptr, i);
j = write (1, ptr, i);
free (ptr);
}
/* Clean */
if (ret > 0) {
ret -= r_socket_read (s, (ut8*)buf, RMT_MAX);
}
return i-j;
}
static ut64 rap__lseek(struct r_io_t *io, RIODesc *fd, ut64 offset, int whence) {
RSocket *s = RIORAP_FD (fd);
int ret;
ut8 tmp[10];
// query
tmp[0] = RMT_SEEK;
tmp[1] = (ut8)whence;
r_mem_copyendian (tmp+2, (ut8*)&offset, 8, ENDIAN);
r_socket_write (s, &tmp, 10);
r_socket_flush (s);
// get reply
ret = r_socket_read_block (s, (ut8*)&tmp, 9);
if (ret!=9)
return -1;
if (tmp[0] != (RMT_SEEK | RMT_REPLY)) {
eprintf ("Unexpected lseek reply\n");
return -1;
}
r_mem_copyendian ((ut8 *)&offset, tmp+1, 8, !ENDIAN);
return offset;
}
static ut64 rap__lseek(RIO *io, RIODesc *fd, ut64 offset, int whence) {
RSocket *s = RIORAP_FD (fd);
ut8 tmp[10];
int ret;
// query
tmp[0] = RMT_SEEK;
tmp[1] = (ut8)whence;
r_write_be64 (tmp + 2, offset);
r_socket_write (s, &tmp, 10);
r_socket_flush (s);
// get reply
memset (tmp, 0, 9);
ret = r_socket_read_block (s, (ut8*)&tmp, 9);
if (ret != 9 || tmp[0] != (RMT_SEEK | RMT_REPLY)) {
// eprintf ("%d %d - %02x %02x %02x %02x %02x %02x %02x\n",
// ret, whence, tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6]);
eprintf ("Unexpected lseek reply\n");
return -1;
}
offset = r_read_at_be64 (tmp, 1);
return offset;
}
static int rap__write(struct r_io_t *io, RIODesc *fd, const ut8 *buf, int count) {
RSocket *s = RIORAP_FD (fd);
int ret;
ut8 *tmp;
if (count>RMT_MAX)
count = RMT_MAX;
if (!(tmp = (ut8 *)malloc (count+5))) {
eprintf ("rap__write: malloc failed\n");
return -1;
}
tmp[0] = RMT_WRITE;
r_mem_copyendian ((ut8 *)tmp+1, (ut8*)&count, 4, ENDIAN);
memcpy (tmp+5, buf, count);
ret = r_socket_write (s, tmp, count+5);
r_socket_flush (s);
if (r_socket_read (s, tmp, 5) != 5) { // TODO read_block?
eprintf ("rap__write: error\n");
ret = -1;
}
free (tmp);
// TODO: get reply
return ret;
}
static int rap__system(RIO *io, RIODesc *fd, const char *command) {
int ret, reslen = 0, cmdlen = 0;
RSocket *s = RIORAP_FD (fd);
unsigned int i, j = 0;
char *ptr, *res, *str;
ut8 buf[RMT_MAX];
buf[0] = RMT_CMD;
i = strlen (command) + 1;
if (i > RMT_MAX - 5) {
eprintf ("Command too long\n");
return -1;
}
r_write_be32 (buf + 1, i);
memcpy (buf + 5, command, i);
r_socket_write (s, buf, i+5);
r_socket_flush (s);
/* read reverse cmds */
for (;;) {
ret = r_socket_read_block (s, buf, 1);
if (ret != 1) {
return -1;
}
/* system back in the middle */
/* TODO: all pkt handlers should check for reverse queries */
if (buf[0] != RMT_CMD) {
break;
}
// run io->cmdstr
// return back the string
buf[0] |= RMT_REPLY;
memset (buf + 1, 0, 4);
ret = r_socket_read_block (s, buf + 1, 4);
cmdlen = r_read_at_be32 (buf, 1);
if (cmdlen + 1 == 0) // check overflow
cmdlen = 0;
str = calloc (1, cmdlen + 1);
ret = r_socket_read_block (s, (ut8*)str, cmdlen);
eprintf ("RUN %d CMD(%s)\n", ret, str);
if (str && *str) {
res = io->cb_core_cmdstr (io->user, str);
} else {
res = strdup ("");
}
eprintf ("[%s]=>(%s)\n", str, res);
reslen = strlen (res);
free (str);
r_write_be32 (buf + 1, reslen);
memcpy (buf + 5, res, reslen);
free (res);
r_socket_write (s, buf, reslen + 5);
r_socket_flush (s);
}
// read
ret = r_socket_read_block (s, buf + 1, 4);
if (ret != 4) {
return -1;
}
if (buf[0] != (RMT_CMD | RMT_REPLY)) {
eprintf ("Unexpected rap cmd reply\n");
return -1;
}
i = r_read_at_be32 (buf, 1);
ret = 0;
if (i > ST32_MAX) {
eprintf ("Invalid length\n");
return -1;
}
ptr = (char *)calloc (1, i + 1);
if (ptr) {
int ir, tr = 0;
do {
ir = r_socket_read_block (s, (ut8*)ptr + tr, i - tr);
if (ir < 1) break;
tr += ir;
} while (tr < i);
// TODO: use io->cb_printf() with support for \x00
ptr[i] = 0;
if (io->cb_printf) {
io->cb_printf ("%s", ptr);
j = i;
} else {
j = write (1, ptr, i);
}
free (ptr);
}
#if DEAD_CODE
/* Clean */
if (ret > 0) {
ret -= r_socket_read (s, (ut8*)buf, RMT_MAX);
}
#endif
return i - j;
}
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);
}
static int rap__system(RIO *io, RIODesc *fd, const char *command) {
RSocket *s = RIORAP_FD (fd);
ut8 buf[RMT_MAX];
char *ptr;
int op, ret;
unsigned int i, j = 0;
// send
if (*command=='!') {
op = RMT_SYSTEM;
command++;
} else {
op = RMT_CMD;
}
buf[0] = op;
i = strlen (command)+1;
if (i>RMT_MAX-5) {
eprintf ("Command too long\n");
return -1;
}
r_mem_copyendian (buf+1, (ut8*)&i, 4, ENDIAN);
memcpy (buf+5, command, i);
r_socket_write (s, buf, i+5);
r_socket_flush (s);
/* read reverse cmds */
for (;;) {
ret = r_socket_read_block (s, buf, 1);
if (ret != 1) {
return -1;
}
/* system back in the middle */
/* TODO: all pkt handlers should check for reverse queries */
if (buf[0] == RMT_SYSTEM || buf[0] == RMT_CMD) {
char *res, *str;
ut32 reslen = 0, cmdlen = 0;
// run io->cmdstr
// return back the string
buf[0] |= RMT_REPLY;
ret = r_socket_read_block (s, buf+1, 4);
r_mem_copyendian ((ut8*)&cmdlen, buf+1, 4, ENDIAN);
if (cmdlen+1==0) // check overflow
cmdlen = 0;
str = calloc (1, cmdlen+1);
ret = r_socket_read_block (s, (ut8*)str, cmdlen);
//eprintf ("RUN CMD(%s)\n", str);
res = io->cb_core_cmdstr (io->user, str);
eprintf ("[%s]=>(%s)\n", str, res);
reslen = strlen (res);
free (str);
r_mem_copyendian ((ut8*)buf+1, (const ut8*)&reslen,
sizeof(ut32), ENDIAN);
memcpy (buf+5, res, reslen);
free (res);
r_socket_write (s, buf, 5+reslen);
r_socket_flush (s);
} else {
break;
}
}
// read
ret = r_socket_read_block (s, buf+1, 4);
if (ret != 4)
return -1;
if (buf[0] != (op | RMT_REPLY)) {
eprintf ("Unexpected system reply\n");
return -1;
}
r_mem_copyendian ((ut8*)&i, buf+1, 4, ENDIAN);
ret = 0;
if (i>0xffffffff) {
eprintf ("Invalid length\n");
return -1;
}
ptr = (char *)malloc (i+1);
if (ptr) {
int ir;
unsigned int tr = 0;
do {
ir = r_socket_read_block (s, (ut8*)ptr+tr, i-tr);
if (ir>0) tr += ir;
else break;
} while (tr<i);
// TODO: use io->cb_printf() with support for \x00
ptr[i] = 0;
if (io->cb_printf) {
io->cb_printf ("%s", ptr);
j = i;
} else j = write (1, ptr, i);
free (ptr);
}
/* Clean */
if (ret > 0) {
ret -= r_socket_read (s, (ut8*)buf, RMT_MAX);
}
return i-j;
}
R_API int r_socket_rap_server_continue (RSocketRapServer *rap_s)
{
int endian, i, pipe_fd, ret;
ut64 offset;
char *ptr = NULL;
if ( !rap_s || !rap_s->fd || !r_socket_is_connected (rap_s->fd))
return R_FALSE;
r_socket_read_block (rap_s->fd, rap_s->buf, 1);
endian = getEndian();
ret = rap_s->buf[0];
switch (rap_s->buf[0]) {
case RAP_RMT_OPEN:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 2);
r_socket_read_block (rap_s->fd, &rap_s->buf[3], (int)rap_s->buf[2]);
rap_s->open (rap_s->user, (const char *)&rap_s->buf[3], (int)rap_s->buf[1], 0);
rap_s->buf[0] = RAP_RMT_OPEN | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_READ:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
r_mem_copyendian ((ut8*)&i, &rap_s->buf[1], 4, !endian);
if (i > RAP_RMT_MAX || i < 0)
i = RAP_RMT_MAX;
rap_s->read (rap_s->user, &rap_s->buf[5], i);
rap_s->buf[0] = RAP_RMT_READ | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, i + 5);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_WRITE:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
r_mem_copyendian ((ut8*)&i, &rap_s->buf[1], 4, !endian);
if (i > RAP_RMT_MAX || i < 0)
i = RAP_RMT_MAX;
r_socket_read_block (rap_s->fd, &rap_s->buf[5], i);
rap_s->write(rap_s->user, &rap_s->buf[5], i);
rap_s->buf[0] = RAP_RMT_WRITE | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 1);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_SEEK:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 9);
i = rap_s->buf[1];
r_mem_copyendian ((ut8*)&offset, &rap_s->buf[2], 8, !endian);
rap_s->seek (rap_s->user, offset, i);
rap_s->buf[0] = RAP_RMT_WRITE | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 1);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_SYSTEM:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
r_mem_copyendian ((ut8 *)&i, &rap_s->buf[1], 4, !endian);
r_socket_read_block (rap_s->fd, &rap_s->buf[5], i);
ptr = rap_s->system (rap_s->user, &rap_s->buf[5]);
if (ptr)
i = strlen (ptr) + 1;
else i = 0;
r_mem_copyendian (&rap_s->buf[1], (ut8 *)&i, 4, !endian);
rap_s->buf[0] = RAP_RMT_SYSTEM | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
if (i) r_socket_write (rap_s->fd, ptr, i);
r_socket_flush (rap_s->fd);
free (ptr);
ptr = NULL;
break;
case RAP_RMT_CMD:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
r_mem_copyendian ((ut8 *)&i, &rap_s->buf[1], 4, !endian);
r_socket_read_block (rap_s->fd, &rap_s->buf[5], i);
ptr = rap_s->cmd (rap_s->user, &rap_s->buf[5]);
if (ptr)
i = strlen (ptr) + 1;
else i = 0;
r_mem_copyendian (&rap_s->buf[1], (ut8 *)&i, 4, !endian);
rap_s->buf[0] = RAP_RMT_CMD | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
if (i) r_socket_write (rap_s->fd, ptr, i);
r_socket_flush (rap_s->fd);
free (ptr);
ptr = NULL;
break;
case RAP_RMT_CLOSE:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
r_mem_copyendian ((ut8 *)&i, &rap_s->buf[1], 4, !endian);
rap_s->close (rap_s->user, i);
rap_s->buf[0] = RAP_RMT_CLOSE | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
r_socket_flush (rap_s->fd);
break;
default:
eprintf ("unknown command 0x%02hhx\n", rap_s->buf[0]);
r_socket_close (rap_s->fd);
ret = -1;
break;
}
return ret;
}
R_API bool r_socket_rap_server_continue (RSocketRapServer *rap_s) {
int i, whence, ret = true;
ut64 offset;
char *ptr = NULL;
if (!rap_s || !rap_s->fd)
return false;
if (!r_socket_is_connected (rap_s->fd))
return false;
r_socket_read_block (rap_s->fd, rap_s->buf, 1);
ret = rap_s->buf[0];
switch (ret) {
case RAP_RMT_OPEN:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 2);
r_socket_read_block (rap_s->fd, &rap_s->buf[3], (int)rap_s->buf[2]);
rap_s->open (rap_s->user, (const char *)&rap_s->buf[3], (int)rap_s->buf[1], 0);
rap_s->buf[0] = RAP_RMT_OPEN | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_READ:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
i = r_read_be32 (&rap_s->buf[1]);
if (i > RAP_RMT_MAX || i < 0)
i = RAP_RMT_MAX;
rap_s->read (rap_s->user, &rap_s->buf[5], i);
rap_s->buf[0] = RAP_RMT_READ | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, i + 5);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_WRITE:
r_socket_read_block (rap_s->fd, rap_s->buf + 1, 4);
i = r_read_be32 (rap_s->buf + 1);
if (i > RAP_RMT_MAX || i < 0) {
i = RAP_RMT_MAX;
}
r_socket_read_block (rap_s->fd, rap_s->buf + 5, i);
int ret = rap_s->write (rap_s->user, rap_s->buf + 5, i);
r_write_be32 (rap_s->buf + 1, ret);
rap_s->buf[0] = RAP_RMT_WRITE | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_SEEK:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 9);
whence = rap_s->buf[1];
offset = r_read_be64 (rap_s->buf + 2);
offset = rap_s->seek (rap_s->user, offset, whence);
/* prepare reply */
rap_s->buf[0] = RAP_RMT_SEEK | RAP_RMT_REPLY;
r_write_be64 (rap_s->buf + 1, offset);
r_socket_write (rap_s->fd, rap_s->buf, 9);
r_socket_flush (rap_s->fd);
break;
case RAP_RMT_CMD:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
i = r_read_be32 (&rap_s->buf[1]);
r_socket_read_block (rap_s->fd, &rap_s->buf[5], i);
ptr = rap_s->cmd (rap_s->user, (const char *)&rap_s->buf[5]);
i = (ptr)? strlen (ptr) + 1: 0;
r_write_be32 (&rap_s->buf[1], i);
rap_s->buf[0] = RAP_RMT_CMD | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
if (i) r_socket_write (rap_s->fd, ptr, i);
r_socket_flush (rap_s->fd);
free (ptr);
ptr = NULL;
break;
case RAP_RMT_CLOSE:
r_socket_read_block (rap_s->fd, &rap_s->buf[1], 4);
i = r_read_be32 (&rap_s->buf[1]);
rap_s->close (rap_s->user, i);
rap_s->buf[0] = RAP_RMT_CLOSE | RAP_RMT_REPLY;
r_socket_write (rap_s->fd, rap_s->buf, 5);
r_socket_flush (rap_s->fd);
break;
default:
eprintf ("unknown command 0x%02x\n", \
(unsigned int)(unsigned char)rap_s->buf[0]);
r_socket_close (rap_s->fd);
ret = false;
break;
}
return ret;
}