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http_ntlm_wb: Move the type-2 message processing into a dedicated function 

This brings the code inline with the other HTTP authentication mechanisms.

Closes #3890
This commit is contained in:
Steve Holme 2019-05-15 16:10:56 +01:00
parent ab4616f8cb
commit fe20826b58
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GPG Key ID: 4059CB85CA7E8F19
3 changed files with 35 additions and 15 deletions
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26
lib/curl_ntlm_wb.c
View File

@ -53,6 +53,8 @@
#include "url.h"
#include "strerror.h"
#include "strdup.h"
#include "strcase.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
@ -333,6 +335,30 @@ done:
return CURLE_REMOTE_ACCESS_DENIED;
}
CURLcode Curl_input_ntlm_wb(struct connectdata *conn,
bool proxy,
const char *header)
{
(void) proxy;
if(!checkprefix("NTLM", header))
return CURLE_BAD_CONTENT_ENCODING;
header += strlen("NTLM");
while(*header && ISSPACE(*header))
header++;
if(*header) {
conn->challenge_header = strdup(header);
if(!conn->challenge_header)
return CURLE_OUT_OF_MEMORY;
}
else
return CURLE_BAD_CONTENT_ENCODING;
return CURLE_OK;
}
/*
* This is for creating ntlm header output by delegating challenge/response
* to Samba's winbind daemon helper ntlm_auth.

7
lib/curl_ntlm_wb.h
View File

@ -27,8 +27,11 @@
#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
defined(NTLM_WB_ENABLED)
/* this is for creating ntlm header output by delegating challenge/response
to Samba's winbind daemon helper ntlm_auth */
/* this is for ntlm header input */
CURLcode Curl_input_ntlm_wb(struct connectdata *conn, bool proxy,
const char *header);
/* this is for creating ntlm header output */
CURLcode Curl_output_ntlm_wb(struct connectdata *conn, bool proxy);
void Curl_http_auth_cleanup_ntlm_wb(struct connectdata *conn);

17
lib/http.c
View File

@ -919,19 +919,10 @@ CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
*availp |= CURLAUTH_NTLM_WB;
authp->avail |= CURLAUTH_NTLM_WB;
/* Get the challenge-message which will be passed to
* ntlm_auth for generating the type 3 message later */
while(*auth && ISSPACE(*auth))
auth++;
if(checkprefix("NTLM", auth)) {
auth += strlen("NTLM");
while(*auth && ISSPACE(*auth))
auth++;
if(*auth) {
conn->challenge_header = strdup(auth);
if(!conn->challenge_header)
return CURLE_OUT_OF_MEMORY;
}
result = Curl_input_ntlm_wb(conn, proxy, auth);
if(result) {
infof(data, "Authentication problem. Ignoring this.\n");
data->state.authproblem = TRUE;
}
}
#endif