diff options
Diffstat (limited to '3rdparty/libuv/samples/socks5-proxy')
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/.gitignore | 21 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/LICENSE | 53 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/Makefile | 46 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/build.gyp | 46 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/client.c | 737 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/defs.h | 139 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/getopt.c | 131 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/main.c | 99 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/s5.c | 271 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/s5.h | 94 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/server.c | 241 | ||||
-rw-r--r-- | 3rdparty/libuv/samples/socks5-proxy/util.c | 72 |
12 files changed, 0 insertions, 1950 deletions
diff --git a/3rdparty/libuv/samples/socks5-proxy/.gitignore b/3rdparty/libuv/samples/socks5-proxy/.gitignore deleted file mode 100644 index c177f374510..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/.gitignore +++ /dev/null @@ -1,21 +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. - -/build/ diff --git a/3rdparty/libuv/samples/socks5-proxy/LICENSE b/3rdparty/libuv/samples/socks5-proxy/LICENSE deleted file mode 100644 index 63c1447fc55..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/LICENSE +++ /dev/null @@ -1,53 +0,0 @@ -Files: * -======== - -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. - - -Files: getopt.c -=============== - -Copyright (c) 1987, 1993, 1994 -The Regents of the University of California. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. -3. Neither the name of the University nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -SUCH DAMAGE. diff --git a/3rdparty/libuv/samples/socks5-proxy/Makefile b/3rdparty/libuv/samples/socks5-proxy/Makefile deleted file mode 100644 index ca43985ec80..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/Makefile +++ /dev/null @@ -1,46 +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. - -BUILDTYPE ?= Debug -BUILDDIR ?= build -GYP ?= gyp -V ?= - -SOURCES := client.c defs.h getopt.c main.c s5.c s5.h server.c util.c - -.PHONY: all clean - -all: $(BUILDDIR)/$(BUILDTYPE)/s5-proxy - -clean: - $(RM) $(BUILDDIR) - -$(BUILDDIR)/$(BUILDTYPE)/s5-proxy: $(BUILDDIR)/Makefile $(SOURCES) - $(MAKE) -C $(BUILDDIR) V=$(V) - -$(BUILDDIR)/Makefile: ../../common.gypi build.gyp - $(GYP) \ - -Duv_library=static_library \ - -Goutput_dir=. \ - -I../../common.gypi \ - -f make \ - --depth=. \ - --generator-output=$(BUILDDIR) \ - build.gyp diff --git a/3rdparty/libuv/samples/socks5-proxy/build.gyp b/3rdparty/libuv/samples/socks5-proxy/build.gyp deleted file mode 100644 index 771a1e146db..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/build.gyp +++ /dev/null @@ -1,46 +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. - -{ - 'targets': [ - { - 'dependencies': ['../../uv.gyp:libuv'], - 'target_name': 's5-proxy', - 'type': 'executable', - 'sources': [ - 'client.c', - 'defs.h', - 'main.c', - 's5.c', - 's5.h', - 'server.c', - 'util.c', - ], - 'conditions': [ - ['OS=="win"', { - 'defines': ['HAVE_UNISTD_H=0'], - 'sources': ['getopt.c'] - }, { - 'defines': ['HAVE_UNISTD_H=1'] - }] - ] - } - ] -} diff --git a/3rdparty/libuv/samples/socks5-proxy/client.c b/3rdparty/libuv/samples/socks5-proxy/client.c deleted file mode 100644 index ae9913a1c6e..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/client.c +++ /dev/null @@ -1,737 +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 "defs.h" -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -/* A connection is modeled as an abstraction on top of two simple state - * machines, one for reading and one for writing. Either state machine - * is, when active, in one of three states: busy, done or stop; the fourth - * and final state, dead, is an end state and only relevant when shutting - * down the connection. A short overview: - * - * busy done stop - * ----------|---------------------------|--------------------|------| - * readable | waiting for incoming data | have incoming data | idle | - * writable | busy writing out data | completed write | idle | - * - * We could remove the done state from the writable state machine. For our - * purposes, it's functionally equivalent to the stop state. - * - * When the connection with upstream has been established, the client_ctx - * moves into a state where incoming data from the client is sent upstream - * and vice versa, incoming data from upstream is sent to the client. In - * other words, we're just piping data back and forth. See conn_cycle() - * for details. - * - * An interesting deviation from libuv's I/O model is that reads are discrete - * rather than continuous events. In layman's terms, when a read operation - * completes, the connection stops reading until further notice. - * - * The rationale for this approach is that we have to wait until the data - * has been sent out again before we can reuse the read buffer. - * - * It also pleasingly unifies with the request model that libuv uses for - * writes and everything else; libuv may switch to a request model for - * reads in the future. - */ -enum conn_state { - c_busy, /* Busy; waiting for incoming data or for a write to complete. */ - c_done, /* Done; read incoming data or write finished. */ - c_stop, /* Stopped. */ - c_dead -}; - -/* Session states. */ -enum sess_state { - s_handshake, /* Wait for client handshake. */ - s_handshake_auth, /* Wait for client authentication data. */ - s_req_start, /* Start waiting for request data. */ - s_req_parse, /* Wait for request data. */ - s_req_lookup, /* Wait for upstream hostname DNS lookup to complete. */ - s_req_connect, /* Wait for uv_tcp_connect() to complete. */ - s_proxy_start, /* Connected. Start piping data. */ - s_proxy, /* Connected. Pipe data back and forth. */ - s_kill, /* Tear down session. */ - s_almost_dead_0, /* Waiting for finalizers to complete. */ - s_almost_dead_1, /* Waiting for finalizers to complete. */ - s_almost_dead_2, /* Waiting for finalizers to complete. */ - s_almost_dead_3, /* Waiting for finalizers to complete. */ - s_almost_dead_4, /* Waiting for finalizers to complete. */ - s_dead /* Dead. Safe to free now. */ -}; - -static void do_next(client_ctx *cx); -static int do_handshake(client_ctx *cx); -static int do_handshake_auth(client_ctx *cx); -static int do_req_start(client_ctx *cx); -static int do_req_parse(client_ctx *cx); -static int do_req_lookup(client_ctx *cx); -static int do_req_connect_start(client_ctx *cx); -static int do_req_connect(client_ctx *cx); -static int do_proxy_start(client_ctx *cx); -static int do_proxy(client_ctx *cx); -static int do_kill(client_ctx *cx); -static int do_almost_dead(client_ctx *cx); -static int conn_cycle(const char *who, conn *a, conn *b); -static void conn_timer_reset(conn *c); -static void conn_timer_expire(uv_timer_t *handle, int status); -static void conn_getaddrinfo(conn *c, const char *hostname); -static void conn_getaddrinfo_done(uv_getaddrinfo_t *req, - int status, - struct addrinfo *ai); -static int conn_connect(conn *c); -static void conn_connect_done(uv_connect_t *req, int status); -static void conn_read(conn *c); -static void conn_read_done(uv_stream_t *handle, - ssize_t nread, - const uv_buf_t *buf); -static void conn_alloc(uv_handle_t *handle, size_t size, uv_buf_t *buf); -static void conn_write(conn *c, const void *data, unsigned int len); -static void conn_write_done(uv_write_t *req, int status); -static void conn_close(conn *c); -static void conn_close_done(uv_handle_t *handle); - -/* |incoming| has been initialized by server.c when this is called. */ -void client_finish_init(server_ctx *sx, client_ctx *cx) { - conn *incoming; - conn *outgoing; - - cx->sx = sx; - cx->state = s_handshake; - s5_init(&cx->parser); - - incoming = &cx->incoming; - incoming->client = cx; - incoming->result = 0; - incoming->rdstate = c_stop; - incoming->wrstate = c_stop; - incoming->idle_timeout = sx->idle_timeout; - CHECK(0 == uv_timer_init(sx->loop, &incoming->timer_handle)); - - outgoing = &cx->outgoing; - outgoing->client = cx; - outgoing->result = 0; - outgoing->rdstate = c_stop; - outgoing->wrstate = c_stop; - outgoing->idle_timeout = sx->idle_timeout; - CHECK(0 == uv_tcp_init(cx->sx->loop, &outgoing->handle.tcp)); - CHECK(0 == uv_timer_init(cx->sx->loop, &outgoing->timer_handle)); - - /* Wait for the initial packet. */ - conn_read(incoming); -} - -/* This is the core state machine that drives the client <-> upstream proxy. - * We move through the initial handshake and authentication steps first and - * end up (if all goes well) in the proxy state where we're just proxying - * data between the client and upstream. - */ -static void do_next(client_ctx *cx) { - int new_state; - - ASSERT(cx->state != s_dead); - switch (cx->state) { - case s_handshake: - new_state = do_handshake(cx); - break; - case s_handshake_auth: - new_state = do_handshake_auth(cx); - break; - case s_req_start: - new_state = do_req_start(cx); - break; - case s_req_parse: - new_state = do_req_parse(cx); - break; - case s_req_lookup: - new_state = do_req_lookup(cx); - break; - case s_req_connect: - new_state = do_req_connect(cx); - break; - case s_proxy_start: - new_state = do_proxy_start(cx); - break; - case s_proxy: - new_state = do_proxy(cx); - break; - case s_kill: - new_state = do_kill(cx); - break; - case s_almost_dead_0: - case s_almost_dead_1: - case s_almost_dead_2: - case s_almost_dead_3: - case s_almost_dead_4: - new_state = do_almost_dead(cx); - break; - default: - UNREACHABLE(); - } - cx->state = new_state; - - if (cx->state == s_dead) { - if (DEBUG_CHECKS) { - memset(cx, -1, sizeof(*cx)); - } - free(cx); - } -} - -static int do_handshake(client_ctx *cx) { - unsigned int methods; - conn *incoming; - s5_ctx *parser; - uint8_t *data; - size_t size; - int err; - - parser = &cx->parser; - incoming = &cx->incoming; - ASSERT(incoming->rdstate == c_done); - ASSERT(incoming->wrstate == c_stop); - incoming->rdstate = c_stop; - - if (incoming->result < 0) { - pr_err("read error: %s", uv_strerror(incoming->result)); - return do_kill(cx); - } - - data = (uint8_t *) incoming->t.buf; - size = (size_t) incoming->result; - err = s5_parse(parser, &data, &size); - if (err == s5_ok) { - conn_read(incoming); - return s_handshake; /* Need more data. */ - } - - if (size != 0) { - /* Could allow a round-trip saving shortcut here if the requested auth - * method is S5_AUTH_NONE (provided unauthenticated traffic is allowed.) - * Requires client support however. - */ - pr_err("junk in handshake"); - return do_kill(cx); - } - - if (err != s5_auth_select) { - pr_err("handshake error: %s", s5_strerror(err)); - return do_kill(cx); - } - - methods = s5_auth_methods(parser); - if ((methods & S5_AUTH_NONE) && can_auth_none(cx->sx, cx)) { - s5_select_auth(parser, S5_AUTH_NONE); - conn_write(incoming, "\5\0", 2); /* No auth required. */ - return s_req_start; - } - - if ((methods & S5_AUTH_PASSWD) && can_auth_passwd(cx->sx, cx)) { - /* TODO(bnoordhuis) Implement username/password auth. */ - } - - conn_write(incoming, "\5\377", 2); /* No acceptable auth. */ - return s_kill; -} - -/* TODO(bnoordhuis) Implement username/password auth. */ -static int do_handshake_auth(client_ctx *cx) { - UNREACHABLE(); - return do_kill(cx); -} - -static int do_req_start(client_ctx *cx) { - conn *incoming; - - incoming = &cx->incoming; - ASSERT(incoming->rdstate == c_stop); - ASSERT(incoming->wrstate == c_done); - incoming->wrstate = c_stop; - - if (incoming->result < 0) { - pr_err("write error: %s", uv_strerror(incoming->result)); - return do_kill(cx); - } - - conn_read(incoming); - return s_req_parse; -} - -static int do_req_parse(client_ctx *cx) { - conn *incoming; - conn *outgoing; - s5_ctx *parser; - uint8_t *data; - size_t size; - int err; - - parser = &cx->parser; - incoming = &cx->incoming; - outgoing = &cx->outgoing; - ASSERT(incoming->rdstate == c_done); - ASSERT(incoming->wrstate == c_stop); - ASSERT(outgoing->rdstate == c_stop); - ASSERT(outgoing->wrstate == c_stop); - incoming->rdstate = c_stop; - - if (incoming->result < 0) { - pr_err("read error: %s", uv_strerror(incoming->result)); - return do_kill(cx); - } - - data = (uint8_t *) incoming->t.buf; - size = (size_t) incoming->result; - err = s5_parse(parser, &data, &size); - if (err == s5_ok) { - conn_read(incoming); - return s_req_parse; /* Need more data. */ - } - - if (size != 0) { - pr_err("junk in request %u", (unsigned) size); - return do_kill(cx); - } - - if (err != s5_exec_cmd) { - pr_err("request error: %s", s5_strerror(err)); - return do_kill(cx); - } - - if (parser->cmd == s5_cmd_tcp_bind) { - /* Not supported but relatively straightforward to implement. */ - pr_warn("BIND requests are not supported."); - return do_kill(cx); - } - - if (parser->cmd == s5_cmd_udp_assoc) { - /* Not supported. Might be hard to implement because libuv has no - * functionality for detecting the MTU size which the RFC mandates. - */ - pr_warn("UDP ASSOC requests are not supported."); - return do_kill(cx); - } - ASSERT(parser->cmd == s5_cmd_tcp_connect); - - if (parser->atyp == s5_atyp_host) { - conn_getaddrinfo(outgoing, (const char *) parser->daddr); - return s_req_lookup; - } - - if (parser->atyp == s5_atyp_ipv4) { - memset(&outgoing->t.addr4, 0, sizeof(outgoing->t.addr4)); - outgoing->t.addr4.sin_family = AF_INET; - outgoing->t.addr4.sin_port = htons(parser->dport); - memcpy(&outgoing->t.addr4.sin_addr, - parser->daddr, - sizeof(outgoing->t.addr4.sin_addr)); - } else if (parser->atyp == s5_atyp_ipv6) { - memset(&outgoing->t.addr6, 0, sizeof(outgoing->t.addr6)); - outgoing->t.addr6.sin6_family = AF_INET6; - outgoing->t.addr6.sin6_port = htons(parser->dport); - memcpy(&outgoing->t.addr6.sin6_addr, - parser->daddr, - sizeof(outgoing->t.addr6.sin6_addr)); - } else { - UNREACHABLE(); - } - - return do_req_connect_start(cx); -} - -static int do_req_lookup(client_ctx *cx) { - s5_ctx *parser; - conn *incoming; - conn *outgoing; - - parser = &cx->parser; - incoming = &cx->incoming; - outgoing = &cx->outgoing; - ASSERT(incoming->rdstate == c_stop); - ASSERT(incoming->wrstate == c_stop); - ASSERT(outgoing->rdstate == c_stop); - ASSERT(outgoing->wrstate == c_stop); - - if (outgoing->result < 0) { - /* TODO(bnoordhuis) Escape control characters in parser->daddr. */ - pr_err("lookup error for \"%s\": %s", - parser->daddr, - uv_strerror(outgoing->result)); - /* Send back a 'Host unreachable' reply. */ - conn_write(incoming, "\5\4\0\1\0\0\0\0\0\0", 10); - return s_kill; - } - - /* Don't make assumptions about the offset of sin_port/sin6_port. */ - switch (outgoing->t.addr.sa_family) { - case AF_INET: - outgoing->t.addr4.sin_port = htons(parser->dport); - break; - case AF_INET6: - outgoing->t.addr6.sin6_port = htons(parser->dport); - break; - default: - UNREACHABLE(); - } - - return do_req_connect_start(cx); -} - -/* Assumes that cx->outgoing.t.sa contains a valid AF_INET/AF_INET6 address. */ -static int do_req_connect_start(client_ctx *cx) { - conn *incoming; - conn *outgoing; - int err; - - incoming = &cx->incoming; - outgoing = &cx->outgoing; - ASSERT(incoming->rdstate == c_stop); - ASSERT(incoming->wrstate == c_stop); - ASSERT(outgoing->rdstate == c_stop); - ASSERT(outgoing->wrstate == c_stop); - - if (!can_access(cx->sx, cx, &outgoing->t.addr)) { - pr_warn("connection not allowed by ruleset"); - /* Send a 'Connection not allowed by ruleset' reply. */ - conn_write(incoming, "\5\2\0\1\0\0\0\0\0\0", 10); - return s_kill; - } - - err = conn_connect(outgoing); - if (err != 0) { - pr_err("connect error: %s\n", uv_strerror(err)); - return do_kill(cx); - } - - return s_req_connect; -} - -static int do_req_connect(client_ctx *cx) { - const struct sockaddr_in6 *in6; - const struct sockaddr_in *in; - char addr_storage[sizeof(*in6)]; - conn *incoming; - conn *outgoing; - uint8_t *buf; - int addrlen; - - incoming = &cx->incoming; - outgoing = &cx->outgoing; - ASSERT(incoming->rdstate == c_stop); - ASSERT(incoming->wrstate == c_stop); - ASSERT(outgoing->rdstate == c_stop); - ASSERT(outgoing->wrstate == c_stop); - - /* Build and send the reply. Not very pretty but gets the job done. */ - buf = (uint8_t *) incoming->t.buf; - if (outgoing->result == 0) { - /* The RFC mandates that the SOCKS server must include the local port - * and address in the reply. So that's what we do. - */ - addrlen = sizeof(addr_storage); - CHECK(0 == uv_tcp_getsockname(&outgoing->handle.tcp, - (struct sockaddr *) addr_storage, - &addrlen)); - buf[0] = 5; /* Version. */ - buf[1] = 0; /* Success. */ - buf[2] = 0; /* Reserved. */ - if (addrlen == sizeof(*in)) { - buf[3] = 1; /* IPv4. */ - in = (const struct sockaddr_in *) &addr_storage; - memcpy(buf + 4, &in->sin_addr, 4); - memcpy(buf + 8, &in->sin_port, 2); - conn_write(incoming, buf, 10); - } else if (addrlen == sizeof(*in6)) { - buf[3] = 4; /* IPv6. */ - in6 = (const struct sockaddr_in6 *) &addr_storage; - memcpy(buf + 4, &in6->sin6_addr, 16); - memcpy(buf + 20, &in6->sin6_port, 2); - conn_write(incoming, buf, 22); - } else { - UNREACHABLE(); - } - return s_proxy_start; - } else { - pr_err("upstream connection error: %s\n", uv_strerror(outgoing->result)); - /* Send a 'Connection refused' reply. */ - conn_write(incoming, "\5\5\0\1\0\0\0\0\0\0", 10); - return s_kill; - } - - UNREACHABLE(); - return s_kill; -} - -static int do_proxy_start(client_ctx *cx) { - conn *incoming; - conn *outgoing; - - incoming = &cx->incoming; - outgoing = &cx->outgoing; - ASSERT(incoming->rdstate == c_stop); - ASSERT(incoming->wrstate == c_done); - ASSERT(outgoing->rdstate == c_stop); - ASSERT(outgoing->wrstate == c_stop); - incoming->wrstate = c_stop; - - if (incoming->result < 0) { - pr_err("write error: %s", uv_strerror(incoming->result)); - return do_kill(cx); - } - - conn_read(incoming); - conn_read(outgoing); - return s_proxy; -} - -/* Proxy incoming data back and forth. */ -static int do_proxy(client_ctx *cx) { - if (conn_cycle("client", &cx->incoming, &cx->outgoing)) { - return do_kill(cx); - } - - if (conn_cycle("upstream", &cx->outgoing, &cx->incoming)) { - return do_kill(cx); - } - - return s_proxy; -} - -static int do_kill(client_ctx *cx) { - int new_state; - - if (cx->state >= s_almost_dead_0) { - return cx->state; - } - - /* Try to cancel the request. The callback still runs but if the - * cancellation succeeded, it gets called with status=UV_ECANCELED. - */ - new_state = s_almost_dead_1; - if (cx->state == s_req_lookup) { - new_state = s_almost_dead_0; - uv_cancel(&cx->outgoing.t.req); - } - - conn_close(&cx->incoming); - conn_close(&cx->outgoing); - return new_state; -} - -static int do_almost_dead(client_ctx *cx) { - ASSERT(cx->state >= s_almost_dead_0); - return cx->state + 1; /* Another finalizer completed. */ -} - -static int conn_cycle(const char *who, conn *a, conn *b) { - if (a->result < 0) { - if (a->result != UV_EOF) { - pr_err("%s error: %s", who, uv_strerror(a->result)); - } - return -1; - } - - if (b->result < 0) { - return -1; - } - - if (a->wrstate == c_done) { - a->wrstate = c_stop; - } - - /* The logic is as follows: read when we don't write and write when we don't - * read. That gives us back-pressure handling for free because if the peer - * sends data faster than we consume it, TCP congestion control kicks in. - */ - if (a->wrstate == c_stop) { - if (b->rdstate == c_stop) { - conn_read(b); - } else if (b->rdstate == c_done) { - conn_write(a, b->t.buf, b->result); - b->rdstate = c_stop; /* Triggers the call to conn_read() above. */ - } - } - - return 0; -} - -static void conn_timer_reset(conn *c) { - CHECK(0 == uv_timer_start(&c->timer_handle, - conn_timer_expire, - c->idle_timeout, - 0)); -} - -static void conn_timer_expire(uv_timer_t *handle, int status) { - conn *c; - - CHECK(0 == status); - c = CONTAINER_OF(handle, conn, timer_handle); - c->result = UV_ETIMEDOUT; - do_next(c->client); -} - -static void conn_getaddrinfo(conn *c, const char *hostname) { - struct addrinfo hints; - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = IPPROTO_TCP; - CHECK(0 == uv_getaddrinfo(c->client->sx->loop, - &c->t.addrinfo_req, - conn_getaddrinfo_done, - hostname, - NULL, - &hints)); - conn_timer_reset(c); -} - -static void conn_getaddrinfo_done(uv_getaddrinfo_t *req, - int status, - struct addrinfo *ai) { - conn *c; - - c = CONTAINER_OF(req, conn, t.addrinfo_req); - c->result = status; - - if (status == 0) { - /* FIXME(bnoordhuis) Should try all addresses. */ - if (ai->ai_family == AF_INET) { - c->t.addr4 = *(const struct sockaddr_in *) ai->ai_addr; - } else if (ai->ai_family == AF_INET6) { - c->t.addr6 = *(const struct sockaddr_in6 *) ai->ai_addr; - } else { - UNREACHABLE(); - } - } - - uv_freeaddrinfo(ai); - do_next(c->client); -} - -/* Assumes that c->t.sa contains a valid AF_INET or AF_INET6 address. */ -static int conn_connect(conn *c) { - ASSERT(c->t.addr.sa_family == AF_INET || - c->t.addr.sa_family == AF_INET6); - conn_timer_reset(c); - return uv_tcp_connect(&c->t.connect_req, - &c->handle.tcp, - &c->t.addr, - conn_connect_done); -} - -static void conn_connect_done(uv_connect_t *req, int status) { - conn *c; - - if (status == UV_ECANCELED) { - return; /* Handle has been closed. */ - } - - c = CONTAINER_OF(req, conn, t.connect_req); - c->result = status; - do_next(c->client); -} - -static void conn_read(conn *c) { - ASSERT(c->rdstate == c_stop); - CHECK(0 == uv_read_start(&c->handle.stream, conn_alloc, conn_read_done)); - c->rdstate = c_busy; - conn_timer_reset(c); -} - -static void conn_read_done(uv_stream_t *handle, - ssize_t nread, - const uv_buf_t *buf) { - conn *c; - - c = CONTAINER_OF(handle, conn, handle); - ASSERT(c->t.buf == buf->base); - ASSERT(c->rdstate == c_busy); - c->rdstate = c_done; - c->result = nread; - - uv_read_stop(&c->handle.stream); - do_next(c->client); -} - -static void conn_alloc(uv_handle_t *handle, size_t size, uv_buf_t *buf) { - conn *c; - - c = CONTAINER_OF(handle, conn, handle); - ASSERT(c->rdstate == c_busy); - buf->base = c->t.buf; - buf->len = sizeof(c->t.buf); -} - -static void conn_write(conn *c, const void *data, unsigned int len) { - uv_buf_t buf; - - ASSERT(c->wrstate == c_stop || c->wrstate == c_done); - c->wrstate = c_busy; - - /* It's okay to cast away constness here, uv_write() won't modify the - * memory. - */ - buf.base = (char *) data; - buf.len = len; - - CHECK(0 == uv_write(&c->write_req, - &c->handle.stream, - &buf, - 1, - conn_write_done)); - conn_timer_reset(c); -} - -static void conn_write_done(uv_write_t *req, int status) { - conn *c; - - if (status == UV_ECANCELED) { - return; /* Handle has been closed. */ - } - - c = CONTAINER_OF(req, conn, write_req); - ASSERT(c->wrstate == c_busy); - c->wrstate = c_done; - c->result = status; - do_next(c->client); -} - -static void conn_close(conn *c) { - ASSERT(c->rdstate != c_dead); - ASSERT(c->wrstate != c_dead); - c->rdstate = c_dead; - c->wrstate = c_dead; - c->timer_handle.data = c; - c->handle.handle.data = c; - uv_close(&c->handle.handle, conn_close_done); - uv_close((uv_handle_t *) &c->timer_handle, conn_close_done); -} - -static void conn_close_done(uv_handle_t *handle) { - conn *c; - - c = handle->data; - do_next(c->client); -} diff --git a/3rdparty/libuv/samples/socks5-proxy/defs.h b/3rdparty/libuv/samples/socks5-proxy/defs.h deleted file mode 100644 index 99ee8160c8a..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/defs.h +++ /dev/null @@ -1,139 +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. - */ - -#ifndef DEFS_H_ -#define DEFS_H_ - -#include "s5.h" -#include "uv.h" - -#include <assert.h> -#include <netinet/in.h> /* sockaddr_in, sockaddr_in6 */ -#include <stddef.h> /* size_t, ssize_t */ -#include <stdint.h> -#include <sys/socket.h> /* sockaddr */ - -struct client_ctx; - -typedef struct { - const char *bind_host; - unsigned short bind_port; - unsigned int idle_timeout; -} server_config; - -typedef struct { - unsigned int idle_timeout; /* Connection idle timeout in ms. */ - uv_tcp_t tcp_handle; - uv_loop_t *loop; -} server_ctx; - -typedef struct { - unsigned char rdstate; - unsigned char wrstate; - unsigned int idle_timeout; - struct client_ctx *client; /* Backlink to owning client context. */ - ssize_t result; - union { - uv_handle_t handle; - uv_stream_t stream; - uv_tcp_t tcp; - uv_udp_t udp; - } handle; - uv_timer_t timer_handle; /* For detecting timeouts. */ - uv_write_t write_req; - /* We only need one of these at a time so make them share memory. */ - union { - uv_getaddrinfo_t addrinfo_req; - uv_connect_t connect_req; - uv_req_t req; - struct sockaddr_in6 addr6; - struct sockaddr_in addr4; - struct sockaddr addr; - char buf[2048]; /* Scratch space. Used to read data into. */ - } t; -} conn; - -typedef struct client_ctx { - unsigned int state; - server_ctx *sx; /* Backlink to owning server context. */ - s5_ctx parser; /* The SOCKS protocol parser. */ - conn incoming; /* Connection with the SOCKS client. */ - conn outgoing; /* Connection with upstream. */ -} client_ctx; - -/* server.c */ -int server_run(const server_config *cf, uv_loop_t *loop); -int can_auth_none(const server_ctx *sx, const client_ctx *cx); -int can_auth_passwd(const server_ctx *sx, const client_ctx *cx); -int can_access(const server_ctx *sx, - const client_ctx *cx, - const struct sockaddr *addr); - -/* client.c */ -void client_finish_init(server_ctx *sx, client_ctx *cx); - -/* util.c */ -#if defined(__GNUC__) -# define ATTRIBUTE_FORMAT_PRINTF(a, b) __attribute__((format(printf, a, b))) -#else -# define ATTRIBUTE_FORMAT_PRINTF(a, b) -#endif -void pr_info(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2); -void pr_warn(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2); -void pr_err(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2); -void *xmalloc(size_t size); - -/* main.c */ -const char *_getprogname(void); - -/* getopt.c */ -#if !HAVE_UNISTD_H -extern char *optarg; -int getopt(int argc, char **argv, const char *options); -#endif - -/* ASSERT() is for debug checks, CHECK() for run-time sanity checks. - * DEBUG_CHECKS is for expensive debug checks that we only want to - * enable in debug builds but still want type-checked by the compiler - * in release builds. - */ -#if defined(NDEBUG) -# define ASSERT(exp) -# define CHECK(exp) do { if (!(exp)) abort(); } while (0) -# define DEBUG_CHECKS (0) -#else -# define ASSERT(exp) assert(exp) -# define CHECK(exp) assert(exp) -# define DEBUG_CHECKS (1) -#endif - -#define UNREACHABLE() CHECK(!"Unreachable code reached.") - -/* This macro looks complicated but it's not: it calculates the address - * of the embedding struct through the address of the embedded struct. - * In other words, if struct A embeds struct B, then we can obtain - * the address of A by taking the address of B and subtracting the - * field offset of B in A. - */ -#define CONTAINER_OF(ptr, type, field) \ - ((type *) ((char *) (ptr) - ((char *) &((type *) 0)->field))) - -#endif /* DEFS_H_ */ diff --git a/3rdparty/libuv/samples/socks5-proxy/getopt.c b/3rdparty/libuv/samples/socks5-proxy/getopt.c deleted file mode 100644 index 8481b2264f2..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/getopt.c +++ /dev/null @@ -1,131 +0,0 @@ -/* $NetBSD: getopt.c,v 1.26 2003/08/07 16:43:40 agc Exp $ */ - -/* - * Copyright (c) 1987, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; -#endif /* LIBC_SCCS and not lint */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -extern const char *_getprogname(void); - -int opterr = 1, /* if error message should be printed */ - optind = 1, /* index into parent argv vector */ - optopt, /* character checked for validity */ - optreset; /* reset getopt */ -char *optarg; /* argument associated with option */ - -#define BADCH (int)'?' -#define BADARG (int)':' -#define EMSG "" - -/* - * getopt -- - * Parse argc/argv argument vector. - */ -int -getopt(nargc, nargv, ostr) - int nargc; - char * const nargv[]; - const char *ostr; -{ - static char *place = EMSG; /* option letter processing */ - char *oli; /* option letter list index */ - - if (optreset || *place == 0) { /* update scanning pointer */ - optreset = 0; - place = nargv[optind]; - if (optind >= nargc || *place++ != '-') { - /* Argument is absent or is not an option */ - place = EMSG; - return (-1); - } - optopt = *place++; - if (optopt == '-' && *place == 0) { - /* "--" => end of options */ - ++optind; - place = EMSG; - return (-1); - } - if (optopt == 0) { - /* Solitary '-', treat as a '-' option - if the program (eg su) is looking for it. */ - place = EMSG; - if (strchr(ostr, '-') == NULL) - return (-1); - optopt = '-'; - } - } else - optopt = *place++; - - /* See if option letter is one the caller wanted... */ - if (optopt == ':' || (oli = strchr(ostr, optopt)) == NULL) { - if (*place == 0) - ++optind; - if (opterr && *ostr != ':') - (void)fprintf(stderr, - "%s: illegal option -- %c\n", _getprogname(), - optopt); - return (BADCH); - } - - /* Does this option need an argument? */ - if (oli[1] != ':') { - /* don't need argument */ - optarg = NULL; - if (*place == 0) - ++optind; - } else { - /* Option-argument is either the rest of this argument or the - entire next argument. */ - if (*place) - optarg = place; - else if (nargc > ++optind) - optarg = nargv[optind]; - else { - /* option-argument absent */ - place = EMSG; - if (*ostr == ':') - return (BADARG); - if (opterr) - (void)fprintf(stderr, - "%s: option requires an argument -- %c\n", - _getprogname(), optopt); - return (BADCH); - } - place = EMSG; - ++optind; - } - return (optopt); /* return option letter */ -} diff --git a/3rdparty/libuv/samples/socks5-proxy/main.c b/3rdparty/libuv/samples/socks5-proxy/main.c deleted file mode 100644 index 04020cbd3ad..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/main.c +++ /dev/null @@ -1,99 +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 "defs.h" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#if HAVE_UNISTD_H -#include <unistd.h> /* getopt */ -#endif - -#define DEFAULT_BIND_HOST "127.0.0.1" -#define DEFAULT_BIND_PORT 1080 -#define DEFAULT_IDLE_TIMEOUT (60 * 1000) - -static void parse_opts(server_config *cf, int argc, char **argv); -static void usage(void); - -static const char *progname = __FILE__; /* Reset in main(). */ - -int main(int argc, char **argv) { - server_config config; - int err; - - progname = argv[0]; - memset(&config, 0, sizeof(config)); - config.bind_host = DEFAULT_BIND_HOST; - config.bind_port = DEFAULT_BIND_PORT; - config.idle_timeout = DEFAULT_IDLE_TIMEOUT; - parse_opts(&config, argc, argv); - - err = server_run(&config, uv_default_loop()); - if (err) { - exit(1); - } - - return 0; -} - -const char *_getprogname(void) { - return progname; -} - -static void parse_opts(server_config *cf, int argc, char **argv) { - int opt; - - while (-1 != (opt = getopt(argc, argv, "H:hp:"))) { - switch (opt) { - case 'H': - cf->bind_host = optarg; - break; - - case 'p': - if (1 != sscanf(optarg, "%hu", &cf->bind_port)) { - pr_err("bad port number: %s", optarg); - usage(); - } - break; - - default: - usage(); - } - } -} - -static void usage(void) { - printf("Usage:\n" - "\n" - " %s [-b <address> [-h] [-p <port>]\n" - "\n" - "Options:\n" - "\n" - " -b <hostname|address> Bind to this address or hostname.\n" - " Default: \"127.0.0.1\"\n" - " -h Show this help message.\n" - " -p <port> Bind to this port number. Default: 1080\n" - "", - progname); - exit(1); -} 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."; -} diff --git a/3rdparty/libuv/samples/socks5-proxy/s5.h b/3rdparty/libuv/samples/socks5-proxy/s5.h deleted file mode 100644 index 715f322287d..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/s5.h +++ /dev/null @@ -1,94 +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. - */ - -#ifndef S5_H_ -#define S5_H_ - -#include <stddef.h> -#include <stdint.h> - -#define S5_ERR_MAP(V) \ - V(-1, bad_version, "Bad protocol version.") \ - V(-2, bad_cmd, "Bad protocol command.") \ - V(-3, bad_atyp, "Bad address type.") \ - V(0, ok, "No error.") \ - V(1, auth_select, "Select authentication method.") \ - V(2, auth_verify, "Verify authentication.") \ - V(3, exec_cmd, "Execute command.") \ - -typedef enum { -#define S5_ERR_GEN(code, name, _) s5_ ## name = code, - S5_ERR_MAP(S5_ERR_GEN) -#undef S5_ERR_GEN - s5_max_errors -} s5_err; - -typedef enum { - S5_AUTH_NONE = 1 << 0, - S5_AUTH_GSSAPI = 1 << 1, - S5_AUTH_PASSWD = 1 << 2 -} s5_auth_method; - -typedef enum { - s5_auth_allow, - s5_auth_deny -} s5_auth_result; - -typedef enum { - s5_atyp_ipv4, - s5_atyp_ipv6, - s5_atyp_host -} s5_atyp; - -typedef enum { - s5_cmd_tcp_connect, - s5_cmd_tcp_bind, - s5_cmd_udp_assoc -} s5_cmd; - -typedef struct { - uint32_t arg0; /* Scratch space for the state machine. */ - uint32_t arg1; /* Scratch space for the state machine. */ - uint8_t state; - uint8_t methods; - uint8_t cmd; - uint8_t atyp; - uint8_t userlen; - uint8_t passlen; - uint16_t dport; - uint8_t username[257]; - uint8_t password[257]; - uint8_t daddr[257]; /* TODO(bnoordhuis) Merge with username/password. */ -} s5_ctx; - -void s5_init(s5_ctx *ctx); - -s5_err s5_parse(s5_ctx *cx, uint8_t **data, size_t *size); - -/* Only call after s5_parse() has returned s5_want_auth_method. */ -unsigned int s5_auth_methods(const s5_ctx *cx); - -/* Call after s5_parse() has returned s5_want_auth_method. */ -int s5_select_auth(s5_ctx *cx, s5_auth_method method); - -const char *s5_strerror(s5_err err); - -#endif /* S5_H_ */ diff --git a/3rdparty/libuv/samples/socks5-proxy/server.c b/3rdparty/libuv/samples/socks5-proxy/server.c deleted file mode 100644 index 3f1ba42c9e1..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/server.c +++ /dev/null @@ -1,241 +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 "defs.h" -#include <netinet/in.h> /* INET6_ADDRSTRLEN */ -#include <stdlib.h> -#include <string.h> - -#ifndef INET6_ADDRSTRLEN -# define INET6_ADDRSTRLEN 63 -#endif - -typedef struct { - uv_getaddrinfo_t getaddrinfo_req; - server_config config; - server_ctx *servers; - uv_loop_t *loop; -} server_state; - -static void do_bind(uv_getaddrinfo_t *req, int status, struct addrinfo *ai); -static void on_connection(uv_stream_t *server, int status); - -int server_run(const server_config *cf, uv_loop_t *loop) { - struct addrinfo hints; - server_state state; - int err; - - memset(&state, 0, sizeof(state)); - state.servers = NULL; - state.config = *cf; - state.loop = loop; - - /* Resolve the address of the interface that we should bind to. - * The getaddrinfo callback starts the server and everything else. - */ - memset(&hints, 0, sizeof(hints)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = IPPROTO_TCP; - - err = uv_getaddrinfo(loop, - &state.getaddrinfo_req, - do_bind, - cf->bind_host, - NULL, - &hints); - if (err != 0) { - pr_err("getaddrinfo: %s", uv_strerror(err)); - return err; - } - - /* Start the event loop. Control continues in do_bind(). */ - if (uv_run(loop, UV_RUN_DEFAULT)) { - abort(); - } - - /* Please Valgrind. */ - uv_loop_delete(loop); - free(state.servers); - return 0; -} - -/* Bind a server to each address that getaddrinfo() reported. */ -static void do_bind(uv_getaddrinfo_t *req, int status, struct addrinfo *addrs) { - char addrbuf[INET6_ADDRSTRLEN + 1]; - unsigned int ipv4_naddrs; - unsigned int ipv6_naddrs; - server_state *state; - server_config *cf; - struct addrinfo *ai; - const void *addrv; - const char *what; - uv_loop_t *loop; - server_ctx *sx; - unsigned int n; - int err; - union { - struct sockaddr addr; - struct sockaddr_in addr4; - struct sockaddr_in6 addr6; - } s; - - state = CONTAINER_OF(req, server_state, getaddrinfo_req); - loop = state->loop; - cf = &state->config; - - if (status < 0) { - pr_err("getaddrinfo(\"%s\"): %s", cf->bind_host, uv_strerror(status)); - uv_freeaddrinfo(addrs); - return; - } - - ipv4_naddrs = 0; - ipv6_naddrs = 0; - for (ai = addrs; ai != NULL; ai = ai->ai_next) { - if (ai->ai_family == AF_INET) { - ipv4_naddrs += 1; - } else if (ai->ai_family == AF_INET6) { - ipv6_naddrs += 1; - } - } - - if (ipv4_naddrs == 0 && ipv6_naddrs == 0) { - pr_err("%s has no IPv4/6 addresses", cf->bind_host); - uv_freeaddrinfo(addrs); - return; - } - - state->servers = - xmalloc((ipv4_naddrs + ipv6_naddrs) * sizeof(state->servers[0])); - - n = 0; - for (ai = addrs; ai != NULL; ai = ai->ai_next) { - if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) { - continue; - } - - if (ai->ai_family == AF_INET) { - s.addr4 = *(const struct sockaddr_in *) ai->ai_addr; - s.addr4.sin_port = htons(cf->bind_port); - addrv = &s.addr4.sin_addr; - } else if (ai->ai_family == AF_INET6) { - s.addr6 = *(const struct sockaddr_in6 *) ai->ai_addr; - s.addr6.sin6_port = htons(cf->bind_port); - addrv = &s.addr6.sin6_addr; - } else { - UNREACHABLE(); - } - - if (uv_inet_ntop(s.addr.sa_family, addrv, addrbuf, sizeof(addrbuf))) { - UNREACHABLE(); - } - - sx = state->servers + n; - sx->loop = loop; - sx->idle_timeout = state->config.idle_timeout; - CHECK(0 == uv_tcp_init(loop, &sx->tcp_handle)); - - what = "uv_tcp_bind"; - err = uv_tcp_bind(&sx->tcp_handle, &s.addr, 0); - if (err == 0) { - what = "uv_listen"; - err = uv_listen((uv_stream_t *) &sx->tcp_handle, 128, on_connection); - } - - if (err != 0) { - pr_err("%s(\"%s:%hu\"): %s", - what, - addrbuf, - cf->bind_port, - uv_strerror(err)); - while (n > 0) { - n -= 1; - uv_close((uv_handle_t *) (state->servers + n), NULL); - } - break; - } - - pr_info("listening on %s:%hu", addrbuf, cf->bind_port); - n += 1; - } - - uv_freeaddrinfo(addrs); -} - -static void on_connection(uv_stream_t *server, int status) { - server_ctx *sx; - client_ctx *cx; - - CHECK(status == 0); - sx = CONTAINER_OF(server, server_ctx, tcp_handle); - cx = xmalloc(sizeof(*cx)); - CHECK(0 == uv_tcp_init(sx->loop, &cx->incoming.handle.tcp)); - CHECK(0 == uv_accept(server, &cx->incoming.handle.stream)); - client_finish_init(sx, cx); -} - -int can_auth_none(const server_ctx *sx, const client_ctx *cx) { - return 1; -} - -int can_auth_passwd(const server_ctx *sx, const client_ctx *cx) { - return 0; -} - -int can_access(const server_ctx *sx, - const client_ctx *cx, - const struct sockaddr *addr) { - const struct sockaddr_in6 *addr6; - const struct sockaddr_in *addr4; - const uint32_t *p; - uint32_t a; - uint32_t b; - uint32_t c; - uint32_t d; - - /* TODO(bnoordhuis) Implement proper access checks. For now, just reject - * traffic to localhost. - */ - if (addr->sa_family == AF_INET) { - addr4 = (const struct sockaddr_in *) addr; - d = ntohl(addr4->sin_addr.s_addr); - return (d >> 24) != 0x7F; - } - - if (addr->sa_family == AF_INET6) { - addr6 = (const struct sockaddr_in6 *) addr; - p = (const uint32_t *) &addr6->sin6_addr.s6_addr; - a = ntohl(p[0]); - b = ntohl(p[1]); - c = ntohl(p[2]); - d = ntohl(p[3]); - if (a == 0 && b == 0 && c == 0 && d == 1) { - return 0; /* "::1" style address. */ - } - if (a == 0 && b == 0 && c == 0xFFFF && (d >> 24) == 0x7F) { - return 0; /* "::ffff:127.x.x.x" style address. */ - } - return 1; - } - - return 0; -} diff --git a/3rdparty/libuv/samples/socks5-proxy/util.c b/3rdparty/libuv/samples/socks5-proxy/util.c deleted file mode 100644 index af34f055936..00000000000 --- a/3rdparty/libuv/samples/socks5-proxy/util.c +++ /dev/null @@ -1,72 +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 "defs.h" -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> - -static void pr_do(FILE *stream, - const char *label, - const char *fmt, - va_list ap); - -void *xmalloc(size_t size) { - void *ptr; - - ptr = malloc(size); - if (ptr == NULL) { - pr_err("out of memory, need %lu bytes", (unsigned long) size); - exit(1); - } - - return ptr; -} - -void pr_info(const char *fmt, ...) { - va_list ap; - va_start(ap, fmt); - pr_do(stdout, "info", fmt, ap); - va_end(ap); -} - -void pr_warn(const char *fmt, ...) { - va_list ap; - va_start(ap, fmt); - pr_do(stderr, "warn", fmt, ap); - va_end(ap); -} - -void pr_err(const char *fmt, ...) { - va_list ap; - va_start(ap, fmt); - pr_do(stderr, "error", fmt, ap); - va_end(ap); -} - -static void pr_do(FILE *stream, - const char *label, - const char *fmt, - va_list ap) { - char fmtbuf[1024]; - vsnprintf(fmtbuf, sizeof(fmtbuf), fmt, ap); - fprintf(stream, "%s:%s: %s\n", _getprogname(), label, fmtbuf); -} |