From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- libcurl/src/lib/http_digest.c | 179 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 libcurl/src/lib/http_digest.c (limited to 'libcurl/src/lib/http_digest.c') diff --git a/libcurl/src/lib/http_digest.c b/libcurl/src/lib/http_digest.c new file mode 100644 index 0000000..2b116ef --- /dev/null +++ b/libcurl/src/lib/http_digest.c @@ -0,0 +1,179 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2015, Daniel Stenberg, , 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 "curl_setup.h" + +#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_CRYPTO_AUTH) + +#include "urldata.h" +#include "rawstr.h" +#include "curl_sasl.h" +#include "http_digest.h" +#include "curl_printf.h" + +/* The last #include files should be: */ +#include "curl_memory.h" +#include "memdebug.h" + +/* Test example headers: + +WWW-Authenticate: Digest realm="testrealm", nonce="1053604598" +Proxy-Authenticate: Digest realm="testrealm", nonce="1053604598" + +*/ + +CURL_STATIC CURLcode Curl_input_digest(struct connectdata *conn, + bool proxy, + const char *header) /* rest of the *-authenticate: + header */ +{ + struct SessionHandle *data = conn->data; + + /* Point to the correct struct with this */ + struct digestdata *digest; + + if(proxy) { + digest = &data->state.proxydigest; + } + else { + digest = &data->state.digest; + } + + if(!checkprefix("Digest", header)) + return CURLE_BAD_CONTENT_ENCODING; + + header += strlen("Digest"); + while(*header && ISSPACE(*header)) + header++; + + return Curl_sasl_decode_digest_http_message(header, digest); +} + +CURL_STATIC CURLcode Curl_output_digest(struct connectdata *conn, + bool proxy, + const unsigned char *request, + const unsigned char *uripath) +{ + CURLcode result; + struct SessionHandle *data = conn->data; + unsigned char *path; + char *tmp; + char *response; + size_t len; + bool have_chlg; + + /* Point to the address of the pointer that holds the string to send to the + server, which is for a plain host or for a HTTP proxy */ + char **allocuserpwd; + + /* Point to the name and password for this */ + const char *userp; + const char *passwdp; + + /* Point to the correct struct with this */ + struct digestdata *digest; + struct auth *authp; + + if(proxy) { + digest = &data->state.proxydigest; + allocuserpwd = &conn->allocptr.proxyuserpwd; + userp = conn->proxyuser; + passwdp = conn->proxypasswd; + authp = &data->state.authproxy; + } + else { + digest = &data->state.digest; + allocuserpwd = &conn->allocptr.userpwd; + userp = conn->user; + passwdp = conn->passwd; + authp = &data->state.authhost; + } + + Curl_safefree(*allocuserpwd); + + /* not set means empty */ + if(!userp) + userp = ""; + + if(!passwdp) + passwdp = ""; + +#if defined(USE_WINDOWS_SSPI) + have_chlg = digest->input_token ? TRUE : FALSE; +#else + have_chlg = digest->nonce ? TRUE : FALSE; +#endif + + if(!have_chlg) { + authp->done = FALSE; + return CURLE_OK; + } + + /* So IE browsers < v7 cut off the URI part at the query part when they + evaluate the MD5 and some (IIS?) servers work with them so we may need to + do the Digest IE-style. Note that the different ways cause different MD5 + sums to get sent. + + Apache servers can be set to do the Digest IE-style automatically using + the BrowserMatch feature: + http://httpd.apache.org/docs/2.2/mod/mod_auth_digest.html#msie + + Further details on Digest implementation differences: + http://www.fngtps.com/2006/09/http-authentication + */ + + if(authp->iestyle && ((tmp = strchr((char *)uripath, '?')) != NULL)) { + size_t urilen = tmp - (char *)uripath; + + path = (unsigned char *) aprintf("%.*s", urilen, uripath); + } + else + path = (unsigned char *) strdup((char *) uripath); + + if(!path) + return CURLE_OUT_OF_MEMORY; + + result = Curl_sasl_create_digest_http_message(data, userp, passwdp, request, + path, digest, &response, &len); + free(path); + if(result) + return result; + + *allocuserpwd = aprintf("%sAuthorization: Digest %s\r\n", + proxy ? "Proxy-" : "", + response); + free(response); + if(!*allocuserpwd) + return CURLE_OUT_OF_MEMORY; + + authp->done = TRUE; + + return CURLE_OK; +} + +CURL_STATIC void Curl_digest_cleanup(struct SessionHandle *data) +{ + Curl_sasl_digest_cleanup(&data->state.digest); + Curl_sasl_digest_cleanup(&data->state.proxydigest); +} + +#endif -- cgit v1.2.3