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https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-09-21 05:26:20 +02:00
when an exit node gets a malformed begin cell, don't complain to
the node operator, since he can't do anything about it. svn:r6733
This commit is contained in:
parent
3c4205c872
commit
fad85f173a
@ -1486,8 +1486,8 @@ is_local_IP(uint32_t ip)
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* Return 0 on success, -1 on failure.
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*/
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int
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parse_addr_port(const char *addrport, char **address, uint32_t *addr,
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uint16_t *port_out)
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parse_addr_port(int severity, const char *addrport, char **address,
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uint32_t *addr, uint16_t *port_out)
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{
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const char *colon;
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char *_address = NULL;
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@ -1501,14 +1501,14 @@ parse_addr_port(const char *addrport, char **address, uint32_t *addr,
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_address = tor_strndup(addrport, colon-addrport);
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_port = (int) tor_parse_long(colon+1,10,1,65535,NULL,NULL);
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if (!_port) {
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log_warn(LD_GENERAL, "Port %s out of range", escaped(colon+1));
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log_fn(severity, LD_GENERAL, "Port %s out of range", escaped(colon+1));
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ok = 0;
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}
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if (!port_out) {
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char *esc_addrport = esc_for_log(addrport);
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log_warn(LD_GENERAL,
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"Port %s given on %s when not required",
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escaped(colon+1), esc_addrport);
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log_fn(severity, LD_GENERAL,
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"Port %s given on %s when not required",
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escaped(colon+1), esc_addrport);
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tor_free(esc_addrport);
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ok = 0;
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}
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@ -1520,7 +1520,7 @@ parse_addr_port(const char *addrport, char **address, uint32_t *addr,
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if (addr) {
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/* There's an addr pointer, so we need to resolve the hostname. */
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if (tor_lookup_hostname(_address,addr)) {
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log_warn(LD_NET, "Couldn't look up %s", escaped(_address));
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log_fn(severity, LD_NET, "Couldn't look up %s", escaped(_address));
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ok = 0;
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*addr = 0;
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}
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@ -168,8 +168,8 @@ int path_is_relative(const char *filename);
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/* Net helpers */
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int is_internal_IP(uint32_t ip, int for_listening);
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int is_local_IP(uint32_t ip);
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int parse_addr_port(const char *addrport, char **address, uint32_t *addr,
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uint16_t *port);
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int parse_addr_port(int severity, const char *addrport, char **address,
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uint32_t *addr, uint16_t *port_out);
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int parse_port_range(const char *port, uint16_t *port_min_out,
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uint16_t *port_max_out);
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int parse_addr_and_port_range(const char *s, uint32_t *addr_out,
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@ -2040,7 +2040,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
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for (line = options->SocksListenAddress; line; line = line->next) {
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uint16_t port;
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uint32_t addr;
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if (parse_addr_port(line->value, &address, &addr, &port)<0)
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if (parse_addr_port(LOG_WARN, line->value, &address, &addr, &port)<0)
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continue; /* We'll warn about this later. */
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if (!is_internal_IP(addr, 1) &&
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(!old_options || !config_lines_eq(old_options->SocksListenAddress,
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@ -2338,7 +2338,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
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REJECT("Failed to parse accounting options. See logs for details.");
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if (options->HttpProxy) { /* parse it now */
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if (parse_addr_port(options->HttpProxy, NULL,
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if (parse_addr_port(LOG_WARN, options->HttpProxy, NULL,
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&options->HttpProxyAddr, &options->HttpProxyPort) < 0)
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REJECT("HttpProxy failed to parse or resolve. Please fix.");
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if (options->HttpProxyPort == 0) { /* give it a default */
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@ -2352,7 +2352,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
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}
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if (options->HttpsProxy) { /* parse it now */
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if (parse_addr_port(options->HttpsProxy, NULL,
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if (parse_addr_port(LOG_WARN, options->HttpsProxy, NULL,
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&options->HttpsProxyAddr, &options->HttpsProxyPort) <0)
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REJECT("HttpsProxy failed to parse or resolve. Please fix.");
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if (options->HttpsProxyPort == 0) { /* give it a default */
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@ -3127,8 +3127,8 @@ parse_redirect_line(smartlist_t *result, config_line_t *line, char **msg)
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if (0==strcasecmp(smartlist_get(elements,1), "pass")) {
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r->is_redirect = 0;
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} else {
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if (parse_addr_port(smartlist_get(elements,1),NULL,&r->addr_dest,
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&r->port_dest)) {
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if (parse_addr_port(LOG_WARN, smartlist_get(elements,1),NULL,
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&r->addr_dest, &r->port_dest)) {
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*msg = tor_strdup("Error parsing dest address in RedirectExit line");
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goto err;
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}
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@ -3193,7 +3193,7 @@ parse_dir_server_line(const char *line, int validate_only)
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goto err;
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}
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addrport = smartlist_get(items, 0);
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if (parse_addr_port(addrport, &address, NULL, &port)<0) {
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if (parse_addr_port(LOG_WARN, addrport, &address, NULL, &port)<0) {
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log_warn(LD_CONFIG, "Error parsing DirServer address '%s'", addrport);
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goto err;
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}
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@ -522,7 +522,7 @@ connection_create_listener(const char *listenaddress, uint16_t listenport,
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#endif
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memset(&listenaddr,0,sizeof(struct sockaddr_in));
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if (parse_addr_port(listenaddress, &address, &addr, &usePort)<0) {
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if (parse_addr_port(LOG_WARN, listenaddress, &address, &addr, &usePort)<0) {
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log_warn(LD_CONFIG,
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"Error parsing/resolving ListenAddress %s", listenaddress);
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return NULL;
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@ -893,7 +893,7 @@ retry_listeners(int type, config_line_t *cfg,
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{
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char *address=NULL;
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uint16_t port;
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if (! parse_addr_port(wanted->value, &address, NULL, &port)) {
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if (!parse_addr_port(LOG_WARN, wanted->value, &address, NULL, &port)) {
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int addr_matches = !strcasecmp(address, conn->address);
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tor_free(address);
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if (! port)
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@ -1587,16 +1587,19 @@ connection_exit_begin_conn(cell_t *cell, circuit_t *circ)
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*/
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if (!memchr(cell->payload+RELAY_HEADER_SIZE, 0, rh.length)) {
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log_warn(LD_PROTOCOL,"relay begin cell has no \\0. Dropping.");
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log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL,
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"Relay begin cell has no \\0. Dropping.");
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return 0;
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}
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if (parse_addr_port(cell->payload+RELAY_HEADER_SIZE,&address,NULL,&port)<0) {
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log_warn(LD_PROTOCOL,"Unable to parse addr:port in relay begin cell. "
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"Dropping.");
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if (parse_addr_port(LOG_PROTOCOL_WARN, cell->payload+RELAY_HEADER_SIZE,
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&address,NULL,&port)<0) {
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log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL,
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"Unable to parse addr:port in relay begin cell. Dropping.");
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return 0;
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}
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if (port==0) {
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log_warn(LD_PROTOCOL,"Missing port in relay begin cell. Dropping.");
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log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL,
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"Missing port in relay begin cell. Dropping.");
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tor_free(address);
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return 0;
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}
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@ -179,7 +179,7 @@ parse_port_config(const char *string)
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} else {
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addrport = smartlist_get(sl,1);
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if (strchr(addrport, ':') || strchr(addrport, '.')) {
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if (parse_addr_port(addrport, NULL, &addr, &p)<0) {
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if (parse_addr_port(LOG_WARN, addrport, NULL, &addr, &p)<0) {
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log_warn(LD_CONFIG,"Unparseable address in hidden service port "
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"configuration.");
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goto err;
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@ -807,27 +807,28 @@ test_util(void)
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/* Test parse_addr_port */
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cp = NULL; u32 = 3; u16 = 3;
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test_assert(!parse_addr_port("1.2.3.4", &cp, &u32, &u16));
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test_assert(!parse_addr_port(LOG_WARN, "1.2.3.4", &cp, &u32, &u16));
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test_streq(cp, "1.2.3.4");
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test_eq(u32, 0x01020304u);
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test_eq(u16, 0);
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tor_free(cp);
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test_assert(!parse_addr_port("4.3.2.1:99", &cp, &u32, &u16));
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test_assert(!parse_addr_port(LOG_WARN, "4.3.2.1:99", &cp, &u32, &u16));
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test_streq(cp, "4.3.2.1");
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test_eq(u32, 0x04030201u);
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test_eq(u16, 99);
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tor_free(cp);
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test_assert(!parse_addr_port("nonexistent.address:4040", &cp, NULL, &u16));
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test_assert(!parse_addr_port(LOG_WARN, "nonexistent.address:4040",
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&cp, NULL, &u16));
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test_streq(cp, "nonexistent.address");
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test_eq(u16, 4040);
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tor_free(cp);
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test_assert(!parse_addr_port("localhost:9999", &cp, &u32, &u16));
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test_assert(!parse_addr_port(LOG_WARN, "localhost:9999", &cp, &u32, &u16));
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test_streq(cp, "localhost");
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test_eq(u32, 0x7f000001u);
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test_eq(u16, 9999);
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tor_free(cp);
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u32 = 3;
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test_assert(!parse_addr_port("localhost", NULL, &u32, &u16));
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test_assert(!parse_addr_port(LOG_WARN, "localhost", NULL, &u32, &u16));
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test_eq(cp, NULL);
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test_eq(u32, 0x7f000001u);
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test_eq(u16, 0);
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@ -217,7 +217,7 @@ main(int argc, char **argv)
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sockshost = 0x7f000001u; /* localhost */
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socksport = 9050; /* 9050 */
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} else if (n_args == 2) {
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if (parse_addr_port(arg[1], NULL, &sockshost, &socksport)<0) {
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if (parse_addr_port(LOG_WARN, arg[1], NULL, &sockshost, &socksport)<0) {
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fprintf(stderr, "Couldn't parse/resolve address %s", arg[1]);
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return 1;
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}
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