diff options
Diffstat (limited to 'Utilities/cmcurl/lib/hostares.c')
| -rw-r--r-- | Utilities/cmcurl/lib/hostares.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/Utilities/cmcurl/lib/hostares.c b/Utilities/cmcurl/lib/hostares.c deleted file mode 100644 index 1db0f43..0000000 --- a/Utilities/cmcurl/lib/hostares.c +++ /dev/null @@ -1,307 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at http://curl.haxx.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * $Id$ - ***************************************************************************/ - -#include "setup.h" - -#include <string.h> - -#ifdef NEED_MALLOC_H -#include <malloc.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef HAVE_NETDB_H -#include <netdb.h> -#endif -#ifdef HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> /* required for free() prototypes */ -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> /* for the close() proto */ -#endif -#ifdef VMS -#include <in.h> -#include <inet.h> -#include <stdlib.h> -#endif - -#ifdef HAVE_SETJMP_H -#include <setjmp.h> -#endif - -#ifdef HAVE_PROCESS_H -#include <process.h> -#endif - -#if (defined(NETWARE) && defined(__NOVELL_LIBC__)) -#undef in_addr_t -#define in_addr_t unsigned long -#endif - -#include "urldata.h" -#include "sendf.h" -#include "hostip.h" -#include "hash.h" -#include "share.h" -#include "strerror.h" -#include "url.h" -#include "multiif.h" -#include "connect.h" /* for the Curl_sockerrno() proto */ - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL) -#include "inet_ntoa_r.h" -#endif - -#include "memory.h" - -/* The last #include file should be: */ -#include "memdebug.h" - -/*********************************************************************** - * Only for ares-enabled builds - **********************************************************************/ - -#ifdef CURLRES_ARES - -/* - * Curl_resolv_fdset() is called when someone from the outside world (using - * curl_multi_fdset()) wants to get our fd_set setup and we're talking with - * ares. The caller must make sure that this function is only called when we - * have a working ares channel. - * - * Returns: CURLE_OK always! - */ - -int Curl_resolv_getsock(struct connectdata *conn, - curl_socket_t *socks, - int numsocks) - -{ - struct timeval maxtime; - struct timeval timeout; - int max = ares_getsock(conn->data->state.areschannel, - (int *)socks, numsocks); - - - maxtime.tv_sec = CURL_TIMEOUT_RESOLVE; - maxtime.tv_usec = 0; - - ares_timeout(conn->data->state.areschannel, &maxtime, &timeout); - - Curl_expire(conn->data, - (timeout.tv_sec * 1000) + (timeout.tv_usec/1000) ); - - return max; -} - -/* - * Curl_is_resolved() is called repeatedly to check if a previous name resolve - * request has completed. It should also make sure to time-out if the - * operation seems to take too long. - * - * Returns normal CURLcode errors. - */ -CURLcode Curl_is_resolved(struct connectdata *conn, - struct Curl_dns_entry **dns) -{ - fd_set read_fds, write_fds; - struct timeval tv={0,0}; - struct SessionHandle *data = conn->data; - int nfds; - - FD_ZERO(&read_fds); - FD_ZERO(&write_fds); - - nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds); - - (void)select(nfds, &read_fds, &write_fds, NULL, - (struct timeval *)&tv); - - /* Call ares_process() unconditonally here, even if we simply timed out - above, as otherwise the ares name resolve won't timeout! */ - ares_process(data->state.areschannel, &read_fds, &write_fds); - - *dns = NULL; - - if(conn->async.done) { - /* we're done, kill the ares handle */ - if(!conn->async.dns) { - failf(data, "Could not resolve host: %s (%s)", conn->host.dispname, - ares_strerror(conn->async.status)); - return CURLE_COULDNT_RESOLVE_HOST; - } - *dns = conn->async.dns; - } - - return CURLE_OK; -} - -/* - * Curl_wait_for_resolv() waits for a resolve to finish. This function should - * be avoided since using this risk getting the multi interface to "hang". - * - * If 'entry' is non-NULL, make it point to the resolved dns entry - * - * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved, and - * CURLE_OPERATION_TIMEDOUT if a time-out occurred. - */ -CURLcode Curl_wait_for_resolv(struct connectdata *conn, - struct Curl_dns_entry **entry) -{ - CURLcode rc=CURLE_OK; - struct SessionHandle *data = conn->data; - long timeout = CURL_TIMEOUT_RESOLVE; /* default name resolve timeout */ - - /* now, see if there's a connect timeout or a regular timeout to - use instead of the default one */ - if(conn->data->set.connecttimeout) - timeout = conn->data->set.connecttimeout; - else if(conn->data->set.timeout) - timeout = conn->data->set.timeout; - - /* We convert the number of seconds into number of milliseconds here: */ - if(timeout < 2147483) - /* maximum amount of seconds that can be multiplied with 1000 and - still fit within 31 bits */ - timeout *= 1000; - else - timeout = 0x7fffffff; /* ridiculous amount of time anyway */ - - /* Wait for the name resolve query to complete. */ - while (1) { - int nfds=0; - fd_set read_fds, write_fds; - struct timeval *tvp, tv, store; - int count; - struct timeval now = Curl_tvnow(); - long timediff; - - store.tv_sec = (int)timeout/1000; - store.tv_usec = (timeout%1000)*1000; - - FD_ZERO(&read_fds); - FD_ZERO(&write_fds); - nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds); - if (nfds == 0) - /* no file descriptors means we're done waiting */ - break; - tvp = ares_timeout(data->state.areschannel, &store, &tv); - count = select(nfds, &read_fds, &write_fds, NULL, tvp); - if (count < 0 && Curl_sockerrno() != EINVAL) - break; - - ares_process(data->state.areschannel, &read_fds, &write_fds); - - timediff = Curl_tvdiff(Curl_tvnow(), now); /* spent time */ - timeout -= timediff?timediff:1; /* always deduct at least 1 */ - if (timeout < 0) { - /* our timeout, so we cancel the ares operation */ - ares_cancel(data->state.areschannel); - break; - } - } - - /* Operation complete, if the lookup was successful we now have the entry - in the cache. */ - - if(entry) - *entry = conn->async.dns; - - if(!conn->async.dns) { - /* a name was not resolved */ - if((timeout < 0) || (conn->async.status == ARES_ETIMEOUT)) { - failf(data, "Resolving host timed out: %s", conn->host.dispname); - rc = CURLE_OPERATION_TIMEDOUT; - } - else if(conn->async.done) { - failf(data, "Could not resolve host: %s (%s)", conn->host.dispname, - ares_strerror(conn->async.status)); - rc = CURLE_COULDNT_RESOLVE_HOST; - } - else - rc = CURLE_OPERATION_TIMEDOUT; - - /* close the connection, since we can't return failure here without - cleaning up this connection properly */ - conn->bits.close = TRUE; - } - - return rc; -} - -/* - * Curl_getaddrinfo() - when using ares - * - * Returns name information about the given hostname and port number. If - * successful, the 'hostent' is returned and the forth argument will point to - * memory we need to free after use. That memory *MUST* be freed with - * Curl_freeaddrinfo(), nothing else. - */ -Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, - const char *hostname, - int port, - int *waitp) -{ - char *bufp; - struct SessionHandle *data = conn->data; - in_addr_t in = inet_addr(hostname); - - *waitp = FALSE; - - if (in != CURL_INADDR_NONE) { - /* This is a dotted IP address 123.123.123.123-style */ - return Curl_ip2addr(in, hostname, port); - } - - bufp = strdup(hostname); - - if(bufp) { - Curl_safefree(conn->async.hostname); - conn->async.hostname = bufp; - conn->async.port = port; - conn->async.done = FALSE; /* not done */ - conn->async.status = 0; /* clear */ - conn->async.dns = NULL; /* clear */ - - /* areschannel is already setup in the Curl_open() function */ - ares_gethostbyname(data->state.areschannel, hostname, PF_INET, - (ares_host_callback)Curl_addrinfo4_callback, conn); - - *waitp = TRUE; /* please wait for the response */ - } - return NULL; /* no struct yet */ -} -#endif /* CURLRES_ARES */ |