mirror of
https://github.com/radareorg/radare2.git
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136 lines
3.6 KiB
C
136 lines
3.6 KiB
C
/* radare - LGPL - Copyright 2014-2019 - pancake, condret */
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#include <r_socket.h>
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#include <r_util.h>
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R_API RSocketRapServer *r_socket_server_new (bool use_ssl, const char *port) {
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r_return_val_if_fail (port, NULL);
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RSocketRapServer *s = R_NEW0 (RSocketRapServer);
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if (s) {
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s->port = strdup (port);
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s->fd = r_socket_new (use_ssl);
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if (s->fd) {
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return s;
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}
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r_socket_free (s->fd);
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free (s);
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}
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return NULL;
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}
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R_API RSocketRapServer *r_socket_server_create (const char *pathname) {
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r_return_val_if_fail (pathname, NULL);
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if (strlen (pathname) < 11) {
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return NULL;
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}
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if (strncmp (pathname, "rap", 3)) {
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return NULL;
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}
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bool is_ssl = (pathname[3] == 's');
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const char *port = &pathname[7 + is_ssl];
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return r_socket_server_new (is_ssl, port);
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}
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R_API void r_socket_server_free (RSocketRapServer *s) {
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if (s) {
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r_socket_free (s->fd);
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free (s);
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}
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}
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R_API bool r_socket_server_listen (RSocketRapServer *s, const char *certfile) {
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r_return_val_if_fail (s && s->port && *s->port, false);
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return r_socket_listen (s->fd, s->port, certfile);
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}
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R_API RSocket* r_socket_server_accept (RSocketRapServer *s) {
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r_return_val_if_fail (s && s->fd, NULL);
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return r_socket_accept (s->fd);
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}
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R_API bool r_socket_server_continue (RSocketRapServer *s) {
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r_return_val_if_fail (s && s->fd, false);
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int i;
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char *ptr = NULL;
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if (!r_socket_is_connected (s->fd)) {
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return false;
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}
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r_socket_read_block (s->fd, s->buf, 1);
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switch (s->buf[0]) {
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case RAP_RMT_OPEN:
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r_socket_read_block (s->fd, &s->buf[1], 2);
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r_socket_read_block (s->fd, &s->buf[3], (int)s->buf[2]);
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s->open (s->user, (const char *)&s->buf[3], (int)s->buf[1], 0);
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s->buf[0] = RAP_RMT_OPEN | RAP_RMT_REPLY;
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r_socket_write (s->fd, s->buf, 5);
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r_socket_flush (s->fd);
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break;
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case RAP_RMT_READ:
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r_socket_read_block (s->fd, &s->buf[1], 4);
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i = r_read_be32 (&s->buf[1]);
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if (i > RAP_RMT_MAX || i < 0) {
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i = RAP_RMT_MAX;
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}
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s->read (s->user, &s->buf[5], i);
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s->buf[0] = RAP_RMT_READ | RAP_RMT_REPLY;
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r_socket_write (s->fd, s->buf, i + 5);
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r_socket_flush (s->fd);
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break;
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case RAP_RMT_WRITE:
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r_socket_read_block (s->fd, s->buf + 1, 4);
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i = r_read_be32 (s->buf + 1);
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if (i > RAP_RMT_MAX || i < 0) {
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i = RAP_RMT_MAX;
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}
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r_socket_read_block (s->fd, s->buf + 5, i);
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r_write_be32 (s->buf + 1, s->write (s->user, s->buf + 5, i));
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s->buf[0] = RAP_RMT_WRITE | RAP_RMT_REPLY;
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r_socket_write (s->fd, s->buf, 5);
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r_socket_flush (s->fd);
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break;
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case RAP_RMT_SEEK:
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{
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r_socket_read_block (s->fd, &s->buf[1], 9);
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int whence = s->buf[1];
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ut64 offset = r_read_be64 (s->buf + 2);
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offset = s->seek (s->user, offset, whence);
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/* prepare reply */
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s->buf[0] = RAP_RMT_SEEK | RAP_RMT_REPLY;
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r_write_be64 (s->buf + 1, offset);
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r_socket_write (s->fd, s->buf, 9);
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r_socket_flush (s->fd);
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}
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break;
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case RAP_RMT_CMD:
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r_socket_read_block (s->fd, &s->buf[1], 4);
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i = r_read_be32 (&s->buf[1]);
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r_socket_read_block (s->fd, &s->buf[5], i);
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ptr = s->cmd (s->user, (const char *)&s->buf[5]);
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i = (ptr)? strlen (ptr) + 1: 0;
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r_write_be32 (&s->buf[1], i);
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s->buf[0] = RAP_RMT_CMD | RAP_RMT_REPLY;
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r_socket_write (s->fd, s->buf, 5);
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if (i) {
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r_socket_write (s->fd, ptr, i);
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}
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r_socket_flush (s->fd);
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R_FREE (ptr);
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break;
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case RAP_RMT_CLOSE:
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r_socket_read_block (s->fd, &s->buf[1], 4);
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i = r_read_be32 (&s->buf[1]);
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s->close (s->user, i);
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s->buf[0] = RAP_RMT_CLOSE | RAP_RMT_REPLY;
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r_socket_write (s->fd, s->buf, 5);
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r_socket_flush (s->fd);
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break;
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default:
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eprintf ("unknown command 0x%02x\n", (ut8)(s->buf[0] & 0xff));
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r_socket_close (s->fd);
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return false;
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}
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return true;
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}
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