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ntlm: Ensure the HTTP header data is not stored in the challenge/response

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This commit is contained in:
Steve Holme 2019-05-09 00:30:09 +01:00
parent 5cd0f5cc7f
commit f41deddde8
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GPG Key ID: 4059CB85CA7E8F19
2 changed files with 14 additions and 14 deletions
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24
lib/curl_ntlm_wb.c
View File

@ -108,8 +108,8 @@ static void ntlm_wb_cleanup(struct ntlmdata *ntlm)
ntlm->ntlm_auth_hlpr_pid = 0;
}
Curl_safefree(ntlm->challenge_header);
Curl_safefree(ntlm->response_header);
Curl_safefree(ntlm->challenge);
Curl_safefree(ntlm->response);
}
static CURLcode ntlm_wb_init(struct connectdata *conn, struct ntlmdata *ntlm,
@ -325,9 +325,9 @@ static CURLcode ntlm_wb_response(struct connectdata *conn,
(buf[0]!='A' || buf[1]!='F' || buf[2]!=' '))
goto done;
ntlm->response_header = aprintf("NTLM %.*s", len_out - 4, buf + 3);
ntlm->response = aprintf("%.*s", len_out - 4, buf + 3);
free(buf);
if(!ntlm->response_header)
if(!ntlm->response)
return CURLE_OUT_OF_MEMORY;
return CURLE_OK;
done:
@ -350,8 +350,8 @@ CURLcode Curl_input_ntlm_wb(struct connectdata *conn,
header++;
if(*header) {
ntlm->challenge_header = strdup(header);
if(!ntlm->challenge_header)
ntlm->challenge = strdup(header);
if(!ntlm->challenge)
return CURLE_OUT_OF_MEMORY;
*state = NTLMSTATE_TYPE2; /* We got a type-2 message */
@ -443,17 +443,17 @@ CURLcode Curl_output_ntlm_wb(struct connectdata *conn,
return res;
free(*allocuserpwd);
*allocuserpwd = aprintf("%sAuthorization: %s\r\n",
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
proxy ? "Proxy-" : "",
ntlm->response_header);
ntlm->response);
DEBUG_OUT(fprintf(stderr, "**** Header %s\n ", *allocuserpwd));
Curl_safefree(ntlm->response_header);
Curl_safefree(ntlm->response);
if(!*allocuserpwd)
return CURLE_OUT_OF_MEMORY;
break;
case NTLMSTATE_TYPE2: {
char *input = aprintf("TT %s\n", ntlm->challenge_header);
char *input = aprintf("TT %s\n", ntlm->challenge);
if(!input)
return CURLE_OUT_OF_MEMORY;
res = ntlm_wb_response(conn, ntlm, input, *state);
@ -462,9 +462,9 @@ CURLcode Curl_output_ntlm_wb(struct connectdata *conn,
return res;
free(*allocuserpwd);
*allocuserpwd = aprintf("%sAuthorization: %s\r\n",
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
proxy ? "Proxy-" : "",
ntlm->response_header);
ntlm->response);
DEBUG_OUT(fprintf(stderr, "**** %s\n ", *allocuserpwd));
*state = NTLMSTATE_TYPE3; /* we sent a type-3 */
authp->done = TRUE;

4
lib/urldata.h
View File

@ -372,8 +372,8 @@ struct ntlmdata {
/* used for communication with Samba's winbind daemon helper ntlm_auth */
curl_socket_t ntlm_auth_hlpr_socket;
pid_t ntlm_auth_hlpr_pid;
char *challenge_header;
char *response_header;
char *challenge; /* The received base64 encoded ntlm type-2 message */
char *response; /* The generated base64 ntlm type-1/type-3 message */
#endif
#endif
};