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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, 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.
+ *
+ ***************************************************************************/
+
+#include "setup.h"
+
+#ifndef CURL_DISABLE_DICT
+
+#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_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+
+#include "progress.h"
+#include "strequal.h"
+#include "dict.h"
+#include "rawstr.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Forward declarations.
+ */
+
+static CURLcode dict_do(struct connectdata *conn, bool *done);
+
+/*
+ * DICT protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_dict = {
+ "DICT", /* scheme */
+ ZERO_NULL, /* setup_connection */
+ dict_do, /* do_it */
+ ZERO_NULL, /* done */
+ ZERO_NULL, /* do_more */
+ ZERO_NULL, /* connect_it */
+ ZERO_NULL, /* connecting */
+ ZERO_NULL, /* doing */
+ ZERO_NULL, /* proto_getsock */
+ ZERO_NULL, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
+ ZERO_NULL, /* perform_getsock */
+ ZERO_NULL, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ PORT_DICT, /* defport */
+ CURLPROTO_DICT, /* protocol */
+ PROTOPT_NONE | PROTOPT_NOURLQUERY /* flags */
+};
+
+static char *unescape_word(struct SessionHandle *data, const char *inputbuff)
+{
+ char *newp;
+ char *dictp;
+ char *ptr;
+ int len;
+ char byte;
+ int olen=0;
+
+ newp = curl_easy_unescape(data, inputbuff, 0, &len);
+ if(!newp)
+ return NULL;
+
+ dictp = malloc(((size_t)len)*2 + 1); /* add one for terminating zero */
+ if(dictp) {
+ /* According to RFC2229 section 2.2, these letters need to be escaped with
+ \[letter] */
+ for(ptr = newp;
+ (byte = *ptr) != 0;
+ ptr++) {
+ if((byte <= 32) || (byte == 127) ||
+ (byte == '\'') || (byte == '\"') || (byte == '\\')) {
+ dictp[olen++] = '\\';
+ }
+ dictp[olen++] = byte;
+ }
+ dictp[olen]=0;
+
+ free(newp);
+ }
+ return dictp;
+}
+
+static CURLcode dict_do(struct connectdata *conn, bool *done)
+{
+ char *word;
+ char *eword;
+ char *ppath;
+ char *database = NULL;
+ char *strategy = NULL;
+ char *nthdef = NULL; /* This is not part of the protocol, but required
+ by RFC 2229 */
+ CURLcode result=CURLE_OK;
+ struct SessionHandle *data=conn->data;
+ curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+
+ char *path = data->state.path;
+ curl_off_t *bytecount = &data->req.bytecount;
+
+ *done = TRUE; /* unconditionally */
+
+ if(conn->bits.user_passwd) {
+ /* AUTH is missing */
+ }
+
+ if(Curl_raw_nequal(path, DICT_MATCH, sizeof(DICT_MATCH)-1) ||
+ Curl_raw_nequal(path, DICT_MATCH2, sizeof(DICT_MATCH2)-1) ||
+ Curl_raw_nequal(path, DICT_MATCH3, sizeof(DICT_MATCH3)-1)) {
+
+ word = strchr(path, ':');
+ if(word) {
+ word++;
+ database = strchr(word, ':');
+ if(database) {
+ *database++ = (char)0;
+ strategy = strchr(database, ':');
+ if(strategy) {
+ *strategy++ = (char)0;
+ nthdef = strchr(strategy, ':');
+ if(nthdef) {
+ *nthdef = (char)0;
+ }
+ }
+ }
+ }
+
+ if((word == NULL) || (*word == (char)0)) {
+ infof(data, "lookup word is missing\n");
+ word=(char *)"default";
+ }
+ if((database == NULL) || (*database == (char)0)) {
+ database = (char *)"!";
+ }
+ if((strategy == NULL) || (*strategy == (char)0)) {
+ strategy = (char *)".";
+ }
+
+ eword = unescape_word(data, word);
+ if(!eword)
+ return CURLE_OUT_OF_MEMORY;
+
+ result = Curl_sendf(sockfd, conn,
+ "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+ "MATCH "
+ "%s " /* database */
+ "%s " /* strategy */
+ "%s\r\n" /* word */
+ "QUIT\r\n",
+
+ database,
+ strategy,
+ eword
+ );
+
+ free(eword);
+
+ if(result) {
+ failf(data, "Failed sending DICT request");
+ return result;
+ }
+ Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
+ -1, NULL); /* no upload */
+ }
+ else if(Curl_raw_nequal(path, DICT_DEFINE, sizeof(DICT_DEFINE)-1) ||
+ Curl_raw_nequal(path, DICT_DEFINE2, sizeof(DICT_DEFINE2)-1) ||
+ Curl_raw_nequal(path, DICT_DEFINE3, sizeof(DICT_DEFINE3)-1)) {
+
+ word = strchr(path, ':');
+ if(word) {
+ word++;
+ database = strchr(word, ':');
+ if(database) {
+ *database++ = (char)0;
+ nthdef = strchr(database, ':');
+ if(nthdef) {
+ *nthdef = (char)0;
+ }
+ }
+ }
+
+ if((word == NULL) || (*word == (char)0)) {
+ infof(data, "lookup word is missing\n");
+ word=(char *)"default";
+ }
+ if((database == NULL) || (*database == (char)0)) {
+ database = (char *)"!";
+ }
+
+ eword = unescape_word(data, word);
+ if(!eword)
+ return CURLE_OUT_OF_MEMORY;
+
+ result = Curl_sendf(sockfd, conn,
+ "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+ "DEFINE "
+ "%s " /* database */
+ "%s\r\n" /* word */
+ "QUIT\r\n",
+ database,
+ eword);
+
+ free(eword);
+
+ if(result) {
+ failf(data, "Failed sending DICT request");
+ return result;
+ }
+ Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
+ -1, NULL); /* no upload */
+ }
+ else {
+
+ ppath = strchr(path, '/');
+ if(ppath) {
+ int i;
+
+ ppath++;
+ for(i = 0; ppath[i]; i++) {
+ if(ppath[i] == ':')
+ ppath[i] = ' ';
+ }
+ result = Curl_sendf(sockfd, conn,
+ "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+ "%s\r\n"
+ "QUIT\r\n", ppath);
+ if(result) {
+ failf(data, "Failed sending DICT request");
+ return result;
+ }
+
+ Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount, -1, NULL);
+ }
+ }
+
+ return CURLE_OK;
+}
+#endif /*CURL_DISABLE_DICT*/