diff options
Diffstat (limited to 'libs/libcurl/src/dict.c')
| -rw-r--r-- | libs/libcurl/src/dict.c | 644 |
1 files changed, 322 insertions, 322 deletions
diff --git a/libs/libcurl/src/dict.c b/libs/libcurl/src/dict.c index 6f7678f5ca..7a8d1fd1bd 100644 --- a/libs/libcurl/src/dict.c +++ b/libs/libcurl/src/dict.c @@ -1,322 +1,322 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2022, 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 https://curl.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. - * - * SPDX-License-Identifier: curl - * - ***************************************************************************/ - -#include "curl_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> -#elif defined(HAVE_UNISTD_H) -#include <unistd.h> -#endif - -#include "urldata.h" -#include <curl/curl.h> -#include "transfer.h" -#include "sendf.h" -#include "escape.h" -#include "progress.h" -#include "dict.h" -#include "curl_printf.h" -#include "strcase.h" -#include "curl_memory.h" -/* The last #include file should be: */ -#include "memdebug.h" - -/* - * Forward declarations. - */ - -static CURLcode dict_do(struct Curl_easy *data, 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 */ - ZERO_NULL, /* connection_check */ - ZERO_NULL, /* attach connection */ - PORT_DICT, /* defport */ - CURLPROTO_DICT, /* protocol */ - CURLPROTO_DICT, /* family */ - PROTOPT_NONE | PROTOPT_NOURLQUERY /* flags */ -}; - -static char *unescape_word(const char *inputbuff) -{ - char *newp = NULL; - char *dictp; - size_t len; - - CURLcode result = Curl_urldecode(inputbuff, 0, &newp, &len, - REJECT_NADA); - if(!newp || result) - return NULL; - - dictp = malloc(len*2 + 1); /* add one for terminating zero */ - if(dictp) { - char *ptr; - char ch; - int olen = 0; - /* According to RFC2229 section 2.2, these letters need to be escaped with - \[letter] */ - for(ptr = newp; - (ch = *ptr) != 0; - ptr++) { - if((ch <= 32) || (ch == 127) || - (ch == '\'') || (ch == '\"') || (ch == '\\')) { - dictp[olen++] = '\\'; - } - dictp[olen++] = ch; - } - dictp[olen] = 0; - } - free(newp); - return dictp; -} - -/* sendf() sends formatted data to the server */ -static CURLcode sendf(curl_socket_t sockfd, struct Curl_easy *data, - const char *fmt, ...) -{ - ssize_t bytes_written; - size_t write_len; - CURLcode result = CURLE_OK; - char *s; - char *sptr; - va_list ap; - va_start(ap, fmt); - s = vaprintf(fmt, ap); /* returns an allocated string */ - va_end(ap); - if(!s) - return CURLE_OUT_OF_MEMORY; /* failure */ - - bytes_written = 0; - write_len = strlen(s); - sptr = s; - - for(;;) { - /* Write the buffer to the socket */ - result = Curl_write(data, sockfd, sptr, write_len, &bytes_written); - - if(result) - break; - - Curl_debug(data, CURLINFO_DATA_OUT, sptr, (size_t)bytes_written); - - if((size_t)bytes_written != write_len) { - /* if not all was written at once, we must advance the pointer, decrease - the size left and try again! */ - write_len -= bytes_written; - sptr += bytes_written; - } - else - break; - } - - free(s); /* free the output string */ - - return result; -} - -static CURLcode dict_do(struct Curl_easy *data, 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 connectdata *conn = data->conn; - curl_socket_t sockfd = conn->sock[FIRSTSOCKET]; - - char *path = data->state.up.path; - - *done = TRUE; /* unconditionally */ - - if(strncasecompare(path, DICT_MATCH, sizeof(DICT_MATCH)-1) || - strncasecompare(path, DICT_MATCH2, sizeof(DICT_MATCH2)-1) || - strncasecompare(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 || (*word == (char)0)) { - infof(data, "lookup word is missing"); - word = (char *)"default"; - } - if(!database || (*database == (char)0)) { - database = (char *)"!"; - } - if(!strategy || (*strategy == (char)0)) { - strategy = (char *)"."; - } - - eword = unescape_word(word); - if(!eword) - return CURLE_OUT_OF_MEMORY; - - result = sendf(sockfd, data, - "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(data, FIRSTSOCKET, -1, FALSE, -1); /* no upload */ - } - else if(strncasecompare(path, DICT_DEFINE, sizeof(DICT_DEFINE)-1) || - strncasecompare(path, DICT_DEFINE2, sizeof(DICT_DEFINE2)-1) || - strncasecompare(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 || (*word == (char)0)) { - infof(data, "lookup word is missing"); - word = (char *)"default"; - } - if(!database || (*database == (char)0)) { - database = (char *)"!"; - } - - eword = unescape_word(word); - if(!eword) - return CURLE_OUT_OF_MEMORY; - - result = sendf(sockfd, data, - "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(data, FIRSTSOCKET, -1, FALSE, -1); - } - else { - - ppath = strchr(path, '/'); - if(ppath) { - int i; - - ppath++; - for(i = 0; ppath[i]; i++) { - if(ppath[i] == ':') - ppath[i] = ' '; - } - result = sendf(sockfd, data, - "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(data, FIRSTSOCKET, -1, FALSE, -1); - } - } - - return CURLE_OK; -} -#endif /*CURL_DISABLE_DICT*/ +/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, 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 https://curl.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.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_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>
+#elif defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "escape.h"
+#include "progress.h"
+#include "dict.h"
+#include "curl_printf.h"
+#include "strcase.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Forward declarations.
+ */
+
+static CURLcode dict_do(struct Curl_easy *data, 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 */
+ ZERO_NULL, /* connection_check */
+ ZERO_NULL, /* attach connection */
+ PORT_DICT, /* defport */
+ CURLPROTO_DICT, /* protocol */
+ CURLPROTO_DICT, /* family */
+ PROTOPT_NONE | PROTOPT_NOURLQUERY /* flags */
+};
+
+static char *unescape_word(const char *inputbuff)
+{
+ char *newp = NULL;
+ char *dictp;
+ size_t len;
+
+ CURLcode result = Curl_urldecode(inputbuff, 0, &newp, &len,
+ REJECT_NADA);
+ if(!newp || result)
+ return NULL;
+
+ dictp = malloc(len*2 + 1); /* add one for terminating zero */
+ if(dictp) {
+ char *ptr;
+ char ch;
+ int olen = 0;
+ /* According to RFC2229 section 2.2, these letters need to be escaped with
+ \[letter] */
+ for(ptr = newp;
+ (ch = *ptr) != 0;
+ ptr++) {
+ if((ch <= 32) || (ch == 127) ||
+ (ch == '\'') || (ch == '\"') || (ch == '\\')) {
+ dictp[olen++] = '\\';
+ }
+ dictp[olen++] = ch;
+ }
+ dictp[olen] = 0;
+ }
+ free(newp);
+ return dictp;
+}
+
+/* sendf() sends formatted data to the server */
+static CURLcode sendf(curl_socket_t sockfd, struct Curl_easy *data,
+ const char *fmt, ...)
+{
+ ssize_t bytes_written;
+ size_t write_len;
+ CURLcode result = CURLE_OK;
+ char *s;
+ char *sptr;
+ va_list ap;
+ va_start(ap, fmt);
+ s = vaprintf(fmt, ap); /* returns an allocated string */
+ va_end(ap);
+ if(!s)
+ return CURLE_OUT_OF_MEMORY; /* failure */
+
+ bytes_written = 0;
+ write_len = strlen(s);
+ sptr = s;
+
+ for(;;) {
+ /* Write the buffer to the socket */
+ result = Curl_write(data, sockfd, sptr, write_len, &bytes_written);
+
+ if(result)
+ break;
+
+ Curl_debug(data, CURLINFO_DATA_OUT, sptr, (size_t)bytes_written);
+
+ if((size_t)bytes_written != write_len) {
+ /* if not all was written at once, we must advance the pointer, decrease
+ the size left and try again! */
+ write_len -= bytes_written;
+ sptr += bytes_written;
+ }
+ else
+ break;
+ }
+
+ free(s); /* free the output string */
+
+ return result;
+}
+
+static CURLcode dict_do(struct Curl_easy *data, 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 connectdata *conn = data->conn;
+ curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+
+ char *path = data->state.up.path;
+
+ *done = TRUE; /* unconditionally */
+
+ if(strncasecompare(path, DICT_MATCH, sizeof(DICT_MATCH)-1) ||
+ strncasecompare(path, DICT_MATCH2, sizeof(DICT_MATCH2)-1) ||
+ strncasecompare(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 || (*word == (char)0)) {
+ infof(data, "lookup word is missing");
+ word = (char *)"default";
+ }
+ if(!database || (*database == (char)0)) {
+ database = (char *)"!";
+ }
+ if(!strategy || (*strategy == (char)0)) {
+ strategy = (char *)".";
+ }
+
+ eword = unescape_word(word);
+ if(!eword)
+ return CURLE_OUT_OF_MEMORY;
+
+ result = sendf(sockfd, data,
+ "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(data, FIRSTSOCKET, -1, FALSE, -1); /* no upload */
+ }
+ else if(strncasecompare(path, DICT_DEFINE, sizeof(DICT_DEFINE)-1) ||
+ strncasecompare(path, DICT_DEFINE2, sizeof(DICT_DEFINE2)-1) ||
+ strncasecompare(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 || (*word == (char)0)) {
+ infof(data, "lookup word is missing");
+ word = (char *)"default";
+ }
+ if(!database || (*database == (char)0)) {
+ database = (char *)"!";
+ }
+
+ eword = unescape_word(word);
+ if(!eword)
+ return CURLE_OUT_OF_MEMORY;
+
+ result = sendf(sockfd, data,
+ "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(data, FIRSTSOCKET, -1, FALSE, -1);
+ }
+ else {
+
+ ppath = strchr(path, '/');
+ if(ppath) {
+ int i;
+
+ ppath++;
+ for(i = 0; ppath[i]; i++) {
+ if(ppath[i] == ':')
+ ppath[i] = ' ';
+ }
+ result = sendf(sockfd, data,
+ "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(data, FIRSTSOCKET, -1, FALSE, -1);
+ }
+ }
+
+ return CURLE_OK;
+}
+#endif /* CURL_DISABLE_DICT */
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