123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675 |
- /* Copyright 2001,2002,2003 Roger Dingledine. */
- /* See LICENSE for licensing information */
- /* $Id$ */
- #include "or.h"
- /**
- * \file directory.c
- * \brief Implement directory HTTP protocol.
- **/
- /* In-points to directory.c:
- *
- * - directory_post_to_dirservers(), called from
- * router_upload_dir_desc_to_dirservers() in router.c
- * upload_service_descriptor() in rendservice.c
- * - directory_get_from_dirserver(), called from
- * rend_client_refetch_renddesc() in rendclient.c
- * run_scheduled_events() in main.c
- * do_hup() in main.c
- * - connection_dir_process_inbuf(), called from
- * connection_process_inbuf() in connection.c
- * - connection_dir_finished_flushing(), called from
- * connection_finished_flushing() in connection.c
- * - connection_dir_finished_connecting(), called from
- * connection_finished_connecting() in connection.c
- */
- static void
- directory_initiate_command(routerinfo_t *router, uint8_t purpose,
- const char *payload, int payload_len);
- static void directory_send_command(connection_t *conn, int purpose,
- const char *payload, int payload_len);
- static int directory_handle_command(connection_t *conn);
- /********* START VARIABLES **********/
- extern or_options_t options; /* command-line and config-file options */
- /** URL for publishing rendezvous descriptors. */
- char rend_publish_string[] = "/rendezvous/publish";
- /** Prefix for downloading rendezvous descriptors. */
- char rend_fetch_url[] = "/rendezvous/";
- #define MAX_HEADERS_SIZE 50000
- #define MAX_BODY_SIZE 500000
- /********* END VARIABLES ************/
- /** Start a connection to every known directory server, using
- * connection purpose 'purpose' and uploading the payload 'payload'
- * (length 'payload_len'). The purpose should be one of
- * 'DIR_PURPOSE_UPLOAD_DIR' or 'DIR_PURPOSE_UPLOAD_RENDDESC'.
- */
- void
- directory_post_to_dirservers(uint8_t purpose, const char *payload,
- int payload_len)
- {
- int i;
- routerinfo_t *router;
- routerlist_t *rl;
- router_get_routerlist(&rl);
- if(!rl)
- return;
- for(i=0; i < smartlist_len(rl->routers); i++) {
- router = smartlist_get(rl->routers, i);
- if(router->is_trusted_dir)
- directory_initiate_command(router, purpose, payload, payload_len);
- }
- }
- /** Start a connection to a random running directory server, using
- * connection purpose 'purpose' requesting 'payload' (length
- * 'payload_len'). The purpose should be one of
- * 'DIR_PURPOSE_FETCH_DIR' or 'DIR_PURPOSE_FETCH_RENDDESC'.
- */
- void
- directory_get_from_dirserver(uint8_t purpose, const char *payload,
- int payload_len)
- {
- directory_initiate_command(router_pick_directory_server(),
- purpose, payload, payload_len);
- }
- /** Launch a new connection to the directory server <b>router</b> to upload or
- * download a service or rendezvous descriptor. <b>purpose</b> determines what
- * kind of directory connection we're launching, and must be one of
- * DIR_PURPOSE_{FETCH|UPLOAD}_{DIR|RENDDESC}.
- *
- * When uploading, <b>payload</b> and <b>payload_len</b> determine the content
- * of the HTTP post. When fetching a rendezvous descriptor, <b>payload</b>
- * and <b>payload_len</b> are the service ID we want to fetch.
- */
- static void
- directory_initiate_command(routerinfo_t *router, uint8_t purpose,
- const char *payload, int payload_len)
- {
- connection_t *conn;
- switch (purpose)
- {
- case DIR_PURPOSE_FETCH_DIR:
- log_fn(LOG_DEBUG,"initiating directory fetch");
- break;
- case DIR_PURPOSE_FETCH_RENDDESC:
- log_fn(LOG_DEBUG,"initiating hidden-service descriptor fetch");
- break;
- case DIR_PURPOSE_UPLOAD_DIR:
- log_fn(LOG_DEBUG,"initiating server descriptor upload");
- break;
- case DIR_PURPOSE_UPLOAD_RENDDESC:
- log_fn(LOG_DEBUG,"initiating hidden-service descriptor upload");
- break;
- default:
- log_fn(LOG_ERR, "Unrecognized directory connection purpose.");
- tor_assert(0);
- }
- if (!router) { /* i guess they didn't have one in mind for me to use */
- log_fn(LOG_WARN,"No running dirservers known. Not trying. (purpose %d)", purpose);
- return;
- }
- tor_assert(router->dir_port);
- conn = connection_new(CONN_TYPE_DIR);
- /* set up conn so it's got all the data we need to remember */
- conn->addr = router->addr;
- conn->port = router->dir_port;
- conn->address = tor_strdup(router->address);
- conn->nickname = tor_strdup(router->nickname);
- tor_assert(router->identity_pkey);
- conn->identity_pkey = crypto_pk_dup_key(router->identity_pkey);
- conn->purpose = purpose;
- /* give it an initial state */
- conn->state = DIR_CONN_STATE_CONNECTING;
- if(purpose == DIR_PURPOSE_FETCH_DIR ||
- purpose == DIR_PURPOSE_UPLOAD_DIR) {
- /* then we want to connect directly */
- switch(connection_connect(conn, conn->address, conn->addr, conn->port)) {
- case -1:
- router_mark_as_down(conn->nickname); /* don't try him again */
- connection_free(conn);
- return;
- case 1:
- conn->state = DIR_CONN_STATE_CLIENT_SENDING; /* start flushing conn */
- /* fall through */
- case 0:
- /* queue the command on the outbuf */
- directory_send_command(conn, purpose, payload, payload_len);
- connection_watch_events(conn, POLLIN | POLLOUT | POLLERR);
- /* writable indicates finish, readable indicates broken link,
- error indicates broken link in windowsland. */
- }
- } else { /* we want to connect via tor */
- /* make an AP connection
- * populate it and add it at the right state
- * socketpair and hook up both sides
- */
- conn->s = connection_ap_make_bridge(conn->address, conn->port);
- if(conn->s < 0) {
- log_fn(LOG_WARN,"Making AP bridge to dirserver failed.");
- connection_mark_for_close(conn);
- return;
- }
- conn->state = DIR_CONN_STATE_CLIENT_SENDING;
- connection_add(conn);
- /* queue the command on the outbuf */
- directory_send_command(conn, purpose, payload, payload_len);
- connection_watch_events(conn, POLLIN | POLLOUT | POLLERR);
- }
- }
- /** Queue an appropriate HTTP command on conn-\>outbuf. The args
- * <b>purpose</b>, <b>payload</b>, and <b>payload_len</b> are as in
- * directory_initiate_command.
- */
- static void directory_send_command(connection_t *conn, int purpose,
- const char *payload, int payload_len) {
- char fetchwholedir[] = "GET / HTTP/1.0\r\n\r\n";
- char fetchrunninglist[] = "GET /running-routers HTTP/1.0\r\n\r\n";
- char tmp[8192];
- tor_assert(conn && conn->type == CONN_TYPE_DIR);
- switch(purpose) {
- case DIR_PURPOSE_FETCH_DIR:
- tor_assert(payload == NULL);
- connection_write_to_buf(fetchwholedir, strlen(fetchwholedir), conn);
- break;
- case DIR_PURPOSE_FETCH_RUNNING_LIST:
- tor_assert(payload == NULL);
- connection_write_to_buf(fetchrunninglist, strlen(fetchrunninglist), conn);
- break;
- case DIR_PURPOSE_UPLOAD_DIR:
- tor_assert(payload);
- snprintf(tmp, sizeof(tmp), "POST / HTTP/1.0\r\nContent-Length: %d\r\n\r\n",
- payload_len);
- connection_write_to_buf(tmp, strlen(tmp), conn);
- connection_write_to_buf(payload, payload_len, conn);
- break;
- case DIR_PURPOSE_FETCH_RENDDESC:
- tor_assert(payload);
- /* this must be true or we wouldn't be doing the lookup */
- tor_assert(payload_len <= REND_SERVICE_ID_LEN);
- /* This breaks the function abstraction. */
- memcpy(conn->rend_query, payload, payload_len);
- conn->rend_query[payload_len] = 0;
- snprintf(tmp, sizeof(tmp), "GET %s%s HTTP/1.0\r\n\r\n", rend_fetch_url, payload);
- connection_write_to_buf(tmp, strlen(tmp), conn);
- break;
- case DIR_PURPOSE_UPLOAD_RENDDESC:
- tor_assert(payload);
- snprintf(tmp, sizeof(tmp),
- "POST %s HTTP/1.0\r\nContent-Length: %d\r\n\r\n", rend_publish_string, payload_len);
- connection_write_to_buf(tmp, strlen(tmp), conn);
- /* could include nuls, need to write it separately */
- connection_write_to_buf(payload, payload_len, conn);
- break;
- }
- }
- /** Parse an HTTP request string <b>headers</b> of the form "\%s \%s HTTP/1..."
- * If it's well-formed, point *<b>url</b> to the second \%s,
- * null-terminate it (this modifies headers!) and return 0.
- * Otherwise, return -1.
- */
- static int
- parse_http_url(char *headers, char **url)
- {
- char *s, *tmp;
- s = (char *)eat_whitespace_no_nl(headers);
- if (!*s) return -1;
- s = (char *)find_whitespace(s); /* get past GET/POST */
- if (!*s) return -1;
- s = (char *)eat_whitespace_no_nl(s);
- if (!*s) return -1;
- tmp = s; /* this is it, assuming it's valid */
- s = (char *)find_whitespace(s);
- if (!*s) return -1;
- *s = 0;
- *url = tmp;
- return 0;
- }
- /** Parse an HTTP response string <b>headers</b> of the form
- * "HTTP/1.\%d \%d\%s\r\n...".
- * If it's well-formed, assign *<b>code</b>, point *<b>message</b> to the first
- * non-space character after code if there is one and message is non-NULL
- * (else leave it alone), and return 0.
- * Otherwise, return -1.
- */
- static int
- parse_http_response(char *headers, int *code, char **message)
- {
- int n1, n2;
- tor_assert(headers && code);
- while(isspace((int)*headers)) headers++; /* tolerate leading whitespace */
- if(sscanf(headers, "HTTP/1.%d %d", &n1, &n2) < 2 ||
- (n1 != 0 && n1 != 1) ||
- (n2 < 100 || n2 >= 600)) {
- log_fn(LOG_WARN,"Failed to parse header '%s'",headers);
- return -1;
- }
- *code = n2;
- if(message) {
- /* XXX should set *message correctly */
- }
- return 0;
- }
- /** Read handler for directory connections. (That's connections <em>to</em>
- * directory servers and connections <em>at</em> directory servers.)
- */
- int connection_dir_process_inbuf(connection_t *conn) {
- char *body;
- char *headers;
- int body_len=0;
- int status_code;
- tor_assert(conn && conn->type == CONN_TYPE_DIR);
- /* Directory clients write, then read data until they receive EOF;
- * directory servers read data until they get an HTTP command, then
- * write their response (when it's finished flushing, they mark for
- * close).
- */
- if(conn->inbuf_reached_eof) {
- if(conn->state != DIR_CONN_STATE_CLIENT_READING) {
- log_fn(LOG_INFO,"conn reached eof, not reading. Closing.");
- connection_close_immediate(conn); /* it was an error; give up on flushing */
- connection_mark_for_close(conn);
- return -1;
- }
- switch(fetch_from_buf_http(conn->inbuf,
- &headers, MAX_HEADERS_SIZE,
- &body, &body_len, MAX_DIR_SIZE)) {
- case -1: /* overflow */
- log_fn(LOG_WARN,"'fetch' response too large. Failing.");
- connection_mark_for_close(conn);
- return -1;
- case 0:
- log_fn(LOG_INFO,"'fetch' response not all here, but we're at eof. Closing.");
- connection_mark_for_close(conn);
- return -1;
- /* case 1, fall through */
- }
- if(parse_http_response(headers, &status_code, NULL) < 0) {
- log_fn(LOG_WARN,"Unparseable headers. Closing.");
- free(body); free(headers);
- connection_mark_for_close(conn);
- return -1;
- }
- if(conn->purpose == DIR_PURPOSE_FETCH_DIR) {
- /* fetch/process the directory to learn about new routers. */
- log_fn(LOG_INFO,"Received directory (size %d):\n%s", body_len, body);
- if(status_code == 503 || body_len == 0) {
- log_fn(LOG_INFO,"Empty directory. Ignoring.");
- free(body); free(headers);
- connection_mark_for_close(conn);
- return 0;
- }
- if(status_code != 200) {
- log_fn(LOG_WARN,"Received http status code %d from dirserver. Failing.",
- status_code);
- free(body); free(headers);
- connection_mark_for_close(conn);
- return -1;
- }
- if(router_load_routerlist_from_directory(body, NULL) < 0){
- log_fn(LOG_INFO,"...but parsing failed. Ignoring.");
- } else {
- log_fn(LOG_INFO,"updated routers.");
- }
- directory_has_arrived(); /* do things we've been waiting to do */
- }
- if(conn->purpose == DIR_PURPOSE_FETCH_RUNNING_LIST) {
- running_routers_t *rrs;
- routerlist_t *rl;
- /* just update our list of running routers, if this list is new info */
- log_fn(LOG_INFO,"Received running-routers list (size %d):\n%s", body_len, body);
- if(status_code != 200) {
- log_fn(LOG_WARN,"Received http status code %d from dirserver. Failing.",
- status_code);
- free(body); free(headers);
- connection_mark_for_close(conn);
- return -1;
- }
- if (!(rrs = router_parse_runningrouters(body))) {
- log_fn(LOG_WARN, "Can't parse runningrouters list");
- free(body); free(headers);
- connection_mark_for_close(conn);
- return -1;
- }
- router_get_routerlist(&rl);
- routerlist_update_from_runningrouters(rl,rrs);
- running_routers_free(rrs);
- }
- if(conn->purpose == DIR_PURPOSE_UPLOAD_DIR) {
- switch(status_code) {
- case 200:
- log_fn(LOG_INFO,"eof (status 200) after uploading server descriptor: finished.");
- break;
- case 400:
- log_fn(LOG_WARN,"http status 400 (bad request) response from dirserver. Malformed server descriptor?");
- break;
- case 403:
- log_fn(LOG_WARN,"http status 403 (unapproved server) response from dirserver. Is your clock skewed? Have you mailed us your identity fingerprint? Are you using the right key? See README.");
- break;
- default:
- log_fn(LOG_WARN,"http status %d response unrecognized.", status_code);
- break;
- }
- }
- if(conn->purpose == DIR_PURPOSE_FETCH_RENDDESC) {
- log_fn(LOG_INFO,"Received rendezvous descriptor (size %d, status code %d)",
- body_len, status_code);
- switch(status_code) {
- case 200:
- if(rend_cache_store(body, body_len) < 0) {
- log_fn(LOG_WARN,"Failed to store rendezvous descriptor.");
- /* alice's ap_stream will notice when connection_mark_for_close
- * cleans it up */
- } else {
- /* success. notify pending connections about this. */
- rend_client_desc_fetched(conn->rend_query, 1);
- conn->purpose = DIR_PURPOSE_HAS_FETCHED_RENDDESC;
- }
- break;
- case 404:
- /* not there. pending connections will be notified when
- * connection_mark_for_close cleans it up. */
- break;
- case 400:
- log_fn(LOG_WARN,"http status 400 (bad request). Dirserver didn't like our rendezvous query?");
- break;
- }
- }
- if(conn->purpose == DIR_PURPOSE_UPLOAD_RENDDESC) {
- switch(status_code) {
- case 200:
- log_fn(LOG_INFO,"eof (status 200) after uploading rendezvous descriptor: finished.");
- break;
- case 400:
- log_fn(LOG_WARN,"http status 400 (bad request) response from dirserver. Malformed rendezvous descriptor?");
- break;
- default:
- log_fn(LOG_WARN,"http status %d response unrecognized.", status_code);
- break;
- }
- }
- free(body); free(headers);
- connection_mark_for_close(conn);
- return 0;
- } /* endif 'reached eof' */
- /* If we're on the dirserver side, look for a command. */
- if(conn->state == DIR_CONN_STATE_SERVER_COMMAND_WAIT) {
- if (directory_handle_command(conn) < 0) {
- connection_mark_for_close(conn);
- return -1;
- }
- return 0;
- }
- /* XXX for READ states, might want to make sure inbuf isn't too big */
- log_fn(LOG_DEBUG,"Got data, not eof. Leaving on inbuf.");
- return 0;
- }
- static char answer200[] = "HTTP/1.0 200 OK\r\n\r\n";
- static char answer400[] = "HTTP/1.0 400 Bad request\r\n\r\n";
- static char answer403[] = "HTTP/1.0 403 Unapproved server\r\n\r\n";
- static char answer404[] = "HTTP/1.0 404 Not found\r\n\r\n";
- static char answer503[] = "HTTP/1.0 503 Directory unavailable\r\n\r\n";
- /** Helper function: called when a dirserver gets a complete HTTP GET
- * request. Look for a request for a directory or for a rendezvous
- * service descriptor. On finding one, write a response into
- * conn-\>outbuf. If the request is unrecognized, send a 404.
- * Always return 0. */
- static int
- directory_handle_command_get(connection_t *conn, char *headers,
- char *body, int body_len)
- {
- size_t dlen;
- const char *cp;
- char *url;
- char tmp[8192];
- log_fn(LOG_DEBUG,"Received GET command.");
- conn->state = DIR_CONN_STATE_SERVER_WRITING;
- if (parse_http_url(headers, &url) < 0) {
- connection_write_to_buf(answer400, strlen(answer400), conn);
- return 0;
- }
- if(!strcmp(url,"/")) { /* directory fetch */
- dlen = dirserv_get_directory(&cp);
- if(dlen == 0) {
- log_fn(LOG_WARN,"My directory is empty. Closing.");
- connection_write_to_buf(answer503, strlen(answer503), conn);
- return 0;
- }
- log_fn(LOG_DEBUG,"Dumping directory to client.");
- snprintf(tmp, sizeof(tmp), "HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/plain\r\n\r\n",
- (int)dlen);
- connection_write_to_buf(tmp, strlen(tmp), conn);
- connection_write_to_buf(cp, strlen(cp), conn);
- return 0;
- }
- if(!strcmp(url,"/running-routers")) { /* running-routers fetch */
- dlen = dirserv_get_runningrouters(&cp);
- snprintf(tmp, sizeof(tmp), "HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: text/plain\r\n\r\n",
- (int)dlen);
- connection_write_to_buf(tmp, strlen(tmp), conn);
- connection_write_to_buf(cp, strlen(cp), conn);
- return 0;
- }
- if(!strncmp(url,rend_fetch_url,strlen(rend_fetch_url))) {
- /* rendezvous descriptor fetch */
- const char *descp;
- int desc_len;
- switch(rend_cache_lookup_desc(url+strlen(rend_fetch_url), &descp, &desc_len)) {
- case 1: /* valid */
- snprintf(tmp, sizeof(tmp), "HTTP/1.0 200 OK\r\nContent-Length: %d\r\nContent-Type: application/octet-stream\r\n\r\n",
- desc_len); /* can't include descp here, because it's got nuls */
- connection_write_to_buf(tmp, strlen(tmp), conn);
- connection_write_to_buf(descp, desc_len, conn);
- break;
- case 0: /* well-formed but not present */
- connection_write_to_buf(answer404, strlen(answer404), conn);
- break;
- case -1: /* not well-formed */
- connection_write_to_buf(answer400, strlen(answer400), conn);
- break;
- }
- return 0;
- }
- /* we didn't recognize the url */
- connection_write_to_buf(answer404, strlen(answer404), conn);
- return 0;
- }
- /** Helper function: called when a dirserver gets a complete HTTP POST
- * request. Look for an uploaded server descriptor or rendezvous
- * service descriptor. On finding one, process it and write a
- * response into conn-\>outbuf. If the request is unrecognized, send a
- * 404. Always return 0. */
- static int
- directory_handle_command_post(connection_t *conn, char *headers,
- char *body, int body_len)
- {
- const char *cp;
- char *url;
- log_fn(LOG_DEBUG,"Received POST command.");
- conn->state = DIR_CONN_STATE_SERVER_WRITING;
- if (parse_http_url(headers, &url) < 0) {
- connection_write_to_buf(answer400, strlen(answer400), conn);
- return 0;
- }
- log_fn(LOG_INFO,"url '%s' posted to us.", url);
- if(!strcmp(url,"/")) { /* server descriptor post */
- cp = body;
- switch(dirserv_add_descriptor(&cp)) {
- case -1:
- /* malformed descriptor, or something wrong */
- connection_write_to_buf(answer400, strlen(answer400), conn);
- break;
- case 0:
- /* descriptor was well-formed but server has not been approved */
- connection_write_to_buf(answer403, strlen(answer403), conn);
- break;
- case 1:
- dirserv_get_directory(&cp); /* rebuild and write to disk */
- connection_write_to_buf(answer200, strlen(answer200), conn);
- break;
- }
- return 0;
- }
- if(!strncmp(url,rend_publish_string,strlen(rend_publish_string))) {
- /* rendezvous descriptor post */
- if(rend_cache_store(body, body_len) < 0)
- connection_write_to_buf(answer400, strlen(answer400), conn);
- else
- connection_write_to_buf(answer200, strlen(answer200), conn);
- return 0;
- }
- /* we didn't recognize the url */
- connection_write_to_buf(answer404, strlen(answer404), conn);
- return 0;
- }
- /** Called when a dirserver receives data on a directory connection;
- * looks for an HTTP request. If the request is complete, remove it
- * from the inbuf, try to process it; otherwise, leave it on the
- * buffer. Return a 0 on success, or -1 on error.
- */
- static int directory_handle_command(connection_t *conn) {
- char *headers=NULL, *body=NULL;
- int body_len=0;
- int r;
- tor_assert(conn && conn->type == CONN_TYPE_DIR);
- switch(fetch_from_buf_http(conn->inbuf,
- &headers, MAX_HEADERS_SIZE,
- &body, &body_len, MAX_BODY_SIZE)) {
- case -1: /* overflow */
- log_fn(LOG_WARN,"input too large. Failing.");
- return -1;
- case 0:
- log_fn(LOG_DEBUG,"command not all here yet.");
- return 0;
- /* case 1, fall through */
- }
- log_fn(LOG_DEBUG,"headers '%s', body '%s'.", headers, body);
- if(!strncasecmp(headers,"GET",3))
- r = directory_handle_command_get(conn, headers, body, body_len);
- else if (!strncasecmp(headers,"POST",4))
- r = directory_handle_command_post(conn, headers, body, body_len);
- else {
- log_fn(LOG_WARN,"Got headers '%s' with unknown command. Closing.", headers);
- r = -1;
- }
- tor_free(headers); tor_free(body);
- return r;
- }
- /** Write handler for directory connections; called when all data has
- * been flushed. Close the connection or wait for a response as
- * appropriate.
- */
- int connection_dir_finished_flushing(connection_t *conn) {
- tor_assert(conn && conn->type == CONN_TYPE_DIR);
- switch(conn->state) {
- case DIR_CONN_STATE_CLIENT_SENDING:
- log_fn(LOG_DEBUG,"client finished sending command.");
- conn->state = DIR_CONN_STATE_CLIENT_READING;
- connection_stop_writing(conn);
- return 0;
- case DIR_CONN_STATE_SERVER_WRITING:
- log_fn(LOG_INFO,"Finished writing server response. Closing.");
- connection_mark_for_close(conn);
- return 0;
- default:
- log_fn(LOG_WARN,"BUG: called in unexpected state %d.", conn->state);
- return -1;
- }
- return 0;
- }
- /** Connected handler for directory connections: begin sending data to the
- * server */
- int connection_dir_finished_connecting(connection_t *conn)
- {
- tor_assert(conn && conn->type == CONN_TYPE_DIR);
- tor_assert(conn->state == DIR_CONN_STATE_CONNECTING);
- log_fn(LOG_INFO,"Dir connection to router %s:%u established.",
- conn->address,conn->port);
- conn->state = DIR_CONN_STATE_CLIENT_SENDING; /* start flushing conn */
- return 0;
- }
- /*
- Local Variables:
- mode:c
- indent-tabs-mode:nil
- c-basic-offset:2
- End:
- */
|