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ntlm: Moved the SSPI based Type-2 message decoding into the SASL module

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This commit is contained in:
Steve Holme 2014-11-16 12:58:04 +00:00
parent 201d0df50b
commit a3fead9706
2 changed files with 26 additions and 13 deletions
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14
lib/curl_ntlm_msgs.c
View File

@ -217,8 +217,6 @@ CURLcode Curl_ntlm_decode_type2_target(struct SessionHandle *data,
return CURLE_OK;
}
#endif
/*
NTLM message structure notes:
@ -256,9 +254,7 @@ CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
const char *header,
struct ntlmdata *ntlm)
{
#ifndef USE_WINDOWS_SSPI
static const char type2_marker[] = { 0x02, 0x00, 0x00, 0x00 };
#endif
/* NTLM type-2 message structure:
@ -280,7 +276,7 @@ CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
unsigned char *type2 = NULL;
size_t type2_len = 0;
#if defined(CURL_DISABLE_VERBOSE_STRINGS) || defined(USE_WINDOWS_SSPI)
#if defined(CURL_DISABLE_VERBOSE_STRINGS)
(void)data;
#endif
@ -297,10 +293,6 @@ CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
return CURLE_BAD_CONTENT_ENCODING;
}
#ifdef USE_WINDOWS_SSPI
ntlm->input_token = type2;
ntlm->input_token_len = type2_len;
#else
ntlm->flags = 0;
if((type2_len < 32) ||
@ -334,12 +326,10 @@ CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
});
free(type2);
#endif
return result;
}
#ifndef USE_WINDOWS_SSPI
/* copy the source to the destination and fill in zeroes in every
other destination byte! */
static void unicodecpy(unsigned char *dest, const char *src, size_t length)
@ -350,7 +340,6 @@ static void unicodecpy(unsigned char *dest, const char *src, size_t length)
dest[2 * i + 1] = '\0';
}
}
#endif
/*
* Curl_ntlm_create_type1_message()
@ -472,6 +461,7 @@ CURLcode Curl_ntlm_create_type1_message(const char *userp,
/* Return with binary blob encoded into base64 */
return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
}
#endif
/*
* Curl_ntlm_create_type3_message()

25
lib/curl_sasl_sspi.c
View File

@ -39,6 +39,7 @@
#include "curl_memory.h"
#include "curl_multibyte.h"
#include "curl_ntlm_msgs.h"
#include "sendf.h"
#include "strdup.h"
#define _MPRINTF_REPLACE /* use our functions only */
@ -616,7 +617,29 @@ CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
const char *type2msg,
struct ntlmdata *ntlm)
{
return Curl_ntlm_decode_type2_message(data, type2msg, ntlm);
CURLcode result = CURLE_OK;
unsigned char *type2 = NULL;
size_t type2_len = 0;
/* Decode the base-64 encoded type-2 message */
if(strlen(type2msg) && *type2msg != '=') {
result = Curl_base64_decode(type2msg, &type2, &type2_len);
if(result)
return result;
}
/* Ensure we have a valid type-2 message */
if(!type2) {
infof(data, "NTLM handshake failure (empty type-2 message)\n");
return CURLE_BAD_CONTENT_ENCODING;
}
/* Simply store the challenge for use later */
ntlm->input_token = type2;
ntlm->input_token_len = type2_len;
return result;
}
/*