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Diffstat (limited to '3rdparty/libuv/samples/socks5-proxy/s5.c')
-rw-r--r--3rdparty/libuv/samples/socks5-proxy/s5.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/3rdparty/libuv/samples/socks5-proxy/s5.c b/3rdparty/libuv/samples/socks5-proxy/s5.c
deleted file mode 100644
index 4f08e345247..00000000000
--- a/3rdparty/libuv/samples/socks5-proxy/s5.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/* Copyright StrongLoop, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include "s5.h"
-#include <errno.h>
-#include <stdint.h>
-#include <stdlib.h> /* abort() */
-#include <string.h> /* memset() */
-
-enum {
- s5_version,
- s5_nmethods,
- s5_methods,
- s5_auth_pw_version,
- s5_auth_pw_userlen,
- s5_auth_pw_username,
- s5_auth_pw_passlen,
- s5_auth_pw_password,
- s5_req_version,
- s5_req_cmd,
- s5_req_reserved,
- s5_req_atyp,
- s5_req_atyp_host,
- s5_req_daddr,
- s5_req_dport0,
- s5_req_dport1,
- s5_dead
-};
-
-void s5_init(s5_ctx *cx) {
- memset(cx, 0, sizeof(*cx));
- cx->state = s5_version;
-}
-
-s5_err s5_parse(s5_ctx *cx, uint8_t **data, size_t *size) {
- s5_err err;
- uint8_t *p;
- uint8_t c;
- size_t i;
- size_t n;
-
- p = *data;
- n = *size;
- i = 0;
-
- while (i < n) {
- c = p[i];
- i += 1;
- switch (cx->state) {
- case s5_version:
- if (c != 5) {
- err = s5_bad_version;
- goto out;
- }
- cx->state = s5_nmethods;
- break;
-
- case s5_nmethods:
- cx->arg0 = 0;
- cx->arg1 = c; /* Number of bytes to read. */
- cx->state = s5_methods;
- break;
-
- case s5_methods:
- if (cx->arg0 < cx->arg1) {
- switch (c) {
- case 0:
- cx->methods |= S5_AUTH_NONE;
- break;
- case 1:
- cx->methods |= S5_AUTH_GSSAPI;
- break;
- case 2:
- cx->methods |= S5_AUTH_PASSWD;
- break;
- /* Ignore everything we don't understand. */
- }
- cx->arg0 += 1;
- }
- if (cx->arg0 == cx->arg1) {
- err = s5_auth_select;
- goto out;
- }
- break;
-
- case s5_auth_pw_version:
- if (c != 1) {
- err = s5_bad_version;
- goto out;
- }
- cx->state = s5_auth_pw_userlen;
- break;
-
- case s5_auth_pw_userlen:
- cx->arg0 = 0;
- cx->userlen = c;
- cx->state = s5_auth_pw_username;
- break;
-
- case s5_auth_pw_username:
- if (cx->arg0 < cx->userlen) {
- cx->username[cx->arg0] = c;
- cx->arg0 += 1;
- }
- if (cx->arg0 == cx->userlen) {
- cx->username[cx->userlen] = '\0';
- cx->state = s5_auth_pw_passlen;
- }
- break;
-
- case s5_auth_pw_passlen:
- cx->arg0 = 0;
- cx->passlen = c;
- cx->state = s5_auth_pw_password;
- break;
-
- case s5_auth_pw_password:
- if (cx->arg0 < cx->passlen) {
- cx->password[cx->arg0] = c;
- cx->arg0 += 1;
- }
- if (cx->arg0 == cx->passlen) {
- cx->password[cx->passlen] = '\0';
- cx->state = s5_req_version;
- err = s5_auth_verify;
- goto out;
- }
- break;
-
- case s5_req_version:
- if (c != 5) {
- err = s5_bad_version;
- goto out;
- }
- cx->state = s5_req_cmd;
- break;
-
- case s5_req_cmd:
- switch (c) {
- case 1: /* TCP connect */
- cx->cmd = s5_cmd_tcp_connect;
- break;
- case 3: /* UDP associate */
- cx->cmd = s5_cmd_udp_assoc;
- break;
- default:
- err = s5_bad_cmd;
- goto out;
- }
- cx->state = s5_req_reserved;
- break;
-
- case s5_req_reserved:
- cx->state = s5_req_atyp;
- break;
-
- case s5_req_atyp:
- cx->arg0 = 0;
- switch (c) {
- case 1: /* IPv4, four octets. */
- cx->state = s5_req_daddr;
- cx->atyp = s5_atyp_ipv4;
- cx->arg1 = 4;
- break;
- case 3: /* Hostname. First byte is length. */
- cx->state = s5_req_atyp_host;
- cx->atyp = s5_atyp_host;
- cx->arg1 = 0;
- break;
- case 4: /* IPv6, sixteen octets. */
- cx->state = s5_req_daddr;
- cx->atyp = s5_atyp_ipv6;
- cx->arg1 = 16;
- break;
- default:
- err = s5_bad_atyp;
- goto out;
- }
- break;
-
- case s5_req_atyp_host:
- cx->arg1 = c;
- cx->state = s5_req_daddr;
- break;
-
- case s5_req_daddr:
- if (cx->arg0 < cx->arg1) {
- cx->daddr[cx->arg0] = c;
- cx->arg0 += 1;
- }
- if (cx->arg0 == cx->arg1) {
- cx->daddr[cx->arg1] = '\0';
- cx->state = s5_req_dport0;
- }
- break;
-
- case s5_req_dport0:
- cx->dport = c << 8;
- cx->state = s5_req_dport1;
- break;
-
- case s5_req_dport1:
- cx->dport |= c;
- cx->state = s5_dead;
- err = s5_exec_cmd;
- goto out;
-
- case s5_dead:
- break;
-
- default:
- abort();
- }
- }
- err = s5_ok;
-
-out:
- *data = p + i;
- *size = n - i;
- return err;
-}
-
-unsigned int s5_auth_methods(const s5_ctx *cx) {
- return cx->methods;
-}
-
-int s5_select_auth(s5_ctx *cx, s5_auth_method method) {
- int err;
-
- err = 0;
- switch (method) {
- case S5_AUTH_NONE:
- cx->state = s5_req_version;
- break;
- case S5_AUTH_PASSWD:
- cx->state = s5_auth_pw_version;
- break;
- default:
- err = -EINVAL;
- }
-
- return err;
-}
-
-const char *s5_strerror(s5_err err) {
-#define S5_ERR_GEN(_, name, errmsg) case s5_ ## name: return errmsg;
- switch (err) {
- S5_ERR_MAP(S5_ERR_GEN)
- default: ; /* Silence s5_max_errors -Wswitch warning. */
- }
-#undef S5_ERR_GEN
- return "Unknown error.";
-}