diff options
Diffstat (limited to 'plugins/FTPFileYM/curl/lib/http_negotiate.c')
| -rw-r--r-- | plugins/FTPFileYM/curl/lib/http_negotiate.c | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/plugins/FTPFileYM/curl/lib/http_negotiate.c b/plugins/FTPFileYM/curl/lib/http_negotiate.c deleted file mode 100644 index 9b981b3327..0000000000 --- a/plugins/FTPFileYM/curl/lib/http_negotiate.c +++ /dev/null @@ -1,388 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2013, 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 "curl_setup.h" - -#ifdef HAVE_GSSAPI -#ifdef HAVE_OLD_GSSMIT -#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name -#define NCOMPAT 1 -#endif - -#ifndef CURL_DISABLE_HTTP - -#include "urldata.h" -#include "sendf.h" -#include "curl_gssapi.h" -#include "rawstr.h" -#include "curl_base64.h" -#include "http_negotiate.h" -#include "curl_memory.h" -#include "url.h" - -#ifdef HAVE_SPNEGO -# include <spnegohelp.h> -# ifdef USE_SSLEAY -# ifdef USE_OPENSSL -# include <openssl/objects.h> -# else -# include <objects.h> -# endif -# else -# error "Can't compile SPNEGO support without OpenSSL." -# endif -#endif - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -/* The last #include file should be: */ -#include "memdebug.h" - -static int -get_gss_name(struct connectdata *conn, bool proxy, gss_name_t *server) -{ - struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg: - &conn->data->state.negotiate; - OM_uint32 major_status, minor_status; - gss_buffer_desc token = GSS_C_EMPTY_BUFFER; - char name[2048]; - const char* service; - - /* GSSAPI implementation by Globus (known as GSI) requires the name to be - of form "<service>/<fqdn>" instead of <service>@<fqdn> (ie. slash instead - of at-sign). Also GSI servers are often identified as 'host' not 'khttp'. - Change following lines if you want to use GSI */ - - /* IIS uses the <service>@<fqdn> form but uses 'http' as the service name */ - - if(neg_ctx->gss) - service = "KHTTP"; - else - service = "HTTP"; - - token.length = strlen(service) + 1 + strlen(proxy ? conn->proxy.name : - conn->host.name) + 1; - if(token.length + 1 > sizeof(name)) - return EMSGSIZE; - - snprintf(name, sizeof(name), "%s@%s", service, proxy ? conn->proxy.name : - conn->host.name); - - token.value = (void *) name; - major_status = gss_import_name(&minor_status, - &token, - GSS_C_NT_HOSTBASED_SERVICE, - server); - - return GSS_ERROR(major_status) ? -1 : 0; -} - -static void -log_gss_error(struct connectdata *conn, OM_uint32 error_status, - const char *prefix) -{ - OM_uint32 maj_stat, min_stat; - OM_uint32 msg_ctx = 0; - gss_buffer_desc status_string; - char buf[1024]; - size_t len; - - snprintf(buf, sizeof(buf), "%s", prefix); - len = strlen(buf); - do { - maj_stat = gss_display_status(&min_stat, - error_status, - GSS_C_MECH_CODE, - GSS_C_NO_OID, - &msg_ctx, - &status_string); - if(sizeof(buf) > len + status_string.length + 1) { - snprintf(buf + len, sizeof(buf) - len, - ": %s", (char*) status_string.value); - len += status_string.length; - } - gss_release_buffer(&min_stat, &status_string); - } while(!GSS_ERROR(maj_stat) && msg_ctx != 0); - - infof(conn->data, "%s\n", buf); -} - -/* returning zero (0) means success, everything else is treated as "failure" - with no care exactly what the failure was */ -int Curl_input_negotiate(struct connectdata *conn, bool proxy, - const char *header) -{ - struct SessionHandle *data = conn->data; - struct negotiatedata *neg_ctx = proxy?&data->state.proxyneg: - &data->state.negotiate; - OM_uint32 major_status, minor_status, discard_st; - gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER; - gss_buffer_desc output_token = GSS_C_EMPTY_BUFFER; - int ret; - size_t len; - size_t rawlen = 0; - bool gss; - const char* protocol; - CURLcode error; - - while(*header && ISSPACE(*header)) - header++; - if(checkprefix("GSS-Negotiate", header)) { - protocol = "GSS-Negotiate"; - gss = TRUE; - } - else if(checkprefix("Negotiate", header)) { - protocol = "Negotiate"; - gss = FALSE; - } - else - return -1; - - if(neg_ctx->context) { - if(neg_ctx->gss != gss) { - return -1; - } - } - else { - neg_ctx->protocol = protocol; - neg_ctx->gss = gss; - } - - if(neg_ctx->context && neg_ctx->status == GSS_S_COMPLETE) { - /* We finished successfully our part of authentication, but server - * rejected it (since we're again here). Exit with an error since we - * can't invent anything better */ - Curl_cleanup_negotiate(data); - return -1; - } - - if(neg_ctx->server_name == NULL && - (ret = get_gss_name(conn, proxy, &neg_ctx->server_name))) - return ret; - - header += strlen(neg_ctx->protocol); - while(*header && ISSPACE(*header)) - header++; - - len = strlen(header); - if(len > 0) { - error = Curl_base64_decode(header, - (unsigned char **)&input_token.value, &rawlen); - if(error || rawlen == 0) - return -1; - input_token.length = rawlen; - - DEBUGASSERT(input_token.value != NULL); - -#ifdef HAVE_SPNEGO /* Handle SPNEGO */ - if(checkprefix("Negotiate", header)) { - unsigned char *spnegoToken = NULL; - size_t spnegoTokenLength = 0; - gss_buffer_desc mechToken = GSS_C_EMPTY_BUFFER; - - spnegoToken = malloc(input_token.length); - if(spnegoToken == NULL) { - Curl_safefree(input_token.value); - return CURLE_OUT_OF_MEMORY; - } - memcpy(spnegoToken, input_token.value, input_token.length); - spnegoTokenLength = input_token.length; - - if(!parseSpnegoTargetToken(spnegoToken, - spnegoTokenLength, - NULL, - NULL, - (unsigned char**)&mechToken.value, - &mechToken.length, - NULL, - NULL)) { - Curl_safefree(spnegoToken); - infof(data, "Parse SPNEGO Target Token failed\n"); - } - else if(!mechToken.value || !mechToken.length) { - Curl_safefree(spnegoToken); - if(mechToken.value) - gss_release_buffer(&discard_st, &mechToken); - infof(data, "Parse SPNEGO Target Token succeeded (NULL token)\n"); - } - else { - Curl_safefree(spnegoToken); - Curl_safefree(input_token.value); - input_token.value = malloc(mechToken.length); - if(input_token.value == NULL) { - gss_release_buffer(&discard_st, &mechToken); - return CURLE_OUT_OF_MEMORY; - } - memcpy(input_token.value, mechToken.value, mechToken.length); - input_token.length = mechToken.length; - gss_release_buffer(&discard_st, &mechToken); - infof(data, "Parse SPNEGO Target Token succeeded\n"); - } - } -#endif - } - - major_status = Curl_gss_init_sec_context(data, - &minor_status, - &neg_ctx->context, - neg_ctx->server_name, - GSS_C_NO_CHANNEL_BINDINGS, - &input_token, - &output_token, - NULL); - Curl_safefree(input_token.value); - - neg_ctx->status = major_status; - if(GSS_ERROR(major_status)) { - if(output_token.value) - gss_release_buffer(&discard_st, &output_token); - log_gss_error(conn, minor_status, "gss_init_sec_context() failed: "); - return -1; - } - - if(!output_token.value || !output_token.length) { - if(output_token.value) - gss_release_buffer(&discard_st, &output_token); - return -1; - } - - neg_ctx->output_token = output_token; - return 0; -} - - -CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy) -{ - struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg: - &conn->data->state.negotiate; - char *encoded = NULL; - size_t len = 0; - char *userp; - CURLcode error; - OM_uint32 discard_st; - -#ifdef HAVE_SPNEGO /* Handle SPNEGO */ - if(checkprefix("Negotiate", neg_ctx->protocol)) { - ASN1_OBJECT *object = NULL; - unsigned char *responseToken = NULL; - size_t responseTokenLength = 0; - gss_buffer_desc spnegoToken = GSS_C_EMPTY_BUFFER; - - responseToken = malloc(neg_ctx->output_token.length); - if(responseToken == NULL) - return CURLE_OUT_OF_MEMORY; - memcpy(responseToken, neg_ctx->output_token.value, - neg_ctx->output_token.length); - responseTokenLength = neg_ctx->output_token.length; - - object = OBJ_txt2obj("1.2.840.113554.1.2.2", 1); - if(!object) { - Curl_safefree(responseToken); - return CURLE_OUT_OF_MEMORY; - } - - if(!makeSpnegoInitialToken(object, - responseToken, - responseTokenLength, - (unsigned char**)&spnegoToken.value, - &spnegoToken.length)) { - Curl_safefree(responseToken); - ASN1_OBJECT_free(object); - infof(conn->data, "Make SPNEGO Initial Token failed\n"); - } - else if(!spnegoToken.value || !spnegoToken.length) { - Curl_safefree(responseToken); - ASN1_OBJECT_free(object); - if(spnegoToken.value) - gss_release_buffer(&discard_st, &spnegoToken); - infof(conn->data, "Make SPNEGO Initial Token succeeded (NULL token)\n"); - } - else { - Curl_safefree(responseToken); - ASN1_OBJECT_free(object); - gss_release_buffer(&discard_st, &neg_ctx->output_token); - neg_ctx->output_token.value = spnegoToken.value; - neg_ctx->output_token.length = spnegoToken.length; - infof(conn->data, "Make SPNEGO Initial Token succeeded\n"); - } - } -#endif - error = Curl_base64_encode(conn->data, - neg_ctx->output_token.value, - neg_ctx->output_token.length, - &encoded, &len); - if(error) { - gss_release_buffer(&discard_st, &neg_ctx->output_token); - neg_ctx->output_token.value = NULL; - neg_ctx->output_token.length = 0; - return error; - } - - if(!encoded || !len) { - gss_release_buffer(&discard_st, &neg_ctx->output_token); - neg_ctx->output_token.value = NULL; - neg_ctx->output_token.length = 0; - return CURLE_REMOTE_ACCESS_DENIED; - } - - userp = aprintf("%sAuthorization: %s %s\r\n", proxy ? "Proxy-" : "", - neg_ctx->protocol, encoded); - if(proxy) { - Curl_safefree(conn->allocptr.proxyuserpwd); - conn->allocptr.proxyuserpwd = userp; - } - else { - Curl_safefree(conn->allocptr.userpwd); - conn->allocptr.userpwd = userp; - } - - Curl_safefree(encoded); - Curl_cleanup_negotiate(conn->data); - - return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK; -} - -static void cleanup(struct negotiatedata *neg_ctx) -{ - OM_uint32 minor_status; - if(neg_ctx->context != GSS_C_NO_CONTEXT) - gss_delete_sec_context(&minor_status, &neg_ctx->context, GSS_C_NO_BUFFER); - - if(neg_ctx->output_token.value) - gss_release_buffer(&minor_status, &neg_ctx->output_token); - - if(neg_ctx->server_name != GSS_C_NO_NAME) - gss_release_name(&minor_status, &neg_ctx->server_name); - - memset(neg_ctx, 0, sizeof(*neg_ctx)); -} - -void Curl_cleanup_negotiate(struct SessionHandle *data) -{ - cleanup(&data->state.negotiate); - cleanup(&data->state.proxyneg); -} - - -#endif -#endif |