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curl/tests/server/fake_ntlm.c
Daniel Stenberg 4d2f800677
curl.se: new home
Closes #6172
2020-11-04 23:59:47 +01:00

279 lines
7.4 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2010, Mandy Wu, <mandy.wu@intel.com>
* Copyright (C) 2011 - 2020, 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 https://curl.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 "server_setup.h"
/*
* This is a fake ntlm_auth, which is used for testing NTLM single-sign-on.
* When DEBUGBUILD is defined, libcurl invoke this tool instead of real winbind
* daemon helper /usr/bin/ntlm_auth. This tool will accept commands and
* responses with a pre-written string saved in test case test2005.
*/
#define ENABLE_CURLX_PRINTF
#include "curlx.h" /* from the private lib dir */
#include "getpart.h"
#include "util.h"
/* include memdebug.h last */
#include "memdebug.h"
#define LOGFILE "log/fake_ntlm%ld.log"
const char *serverlogfile;
/*
* Returns an allocated buffer with printable representation of input
* buffer contents or returns NULL on out of memory condition.
*/
static char *printable(char *inbuf, size_t inlength)
{
char *outbuf;
char *newbuf;
size_t newsize;
size_t outsize;
size_t outincr = 0;
size_t i, o = 0;
#define HEX_FMT_STR "[0x%02X]"
#define HEX_STR_LEN 6
#define NOTHING_STR "[NOTHING]"
#define NOTHING_LEN 9
if(!inlength)
inlength = strlen(inbuf);
if(inlength) {
outincr = ((inlength/2) < (HEX_STR_LEN + 1)) ?
HEX_STR_LEN + 1 : inlength/2;
outsize = inlength + outincr;
}
else
outsize = NOTHING_LEN + 1;
outbuf = malloc(outsize);
if(!outbuf)
return NULL;
if(!inlength) {
msnprintf(&outbuf[0], outsize, "%s", NOTHING_STR);
return outbuf;
}
for(i = 0; i<inlength; i++) {
if(o > outsize - (HEX_STR_LEN + 1)) {
newsize = outsize + outincr;
newbuf = realloc(outbuf, newsize);
if(!newbuf) {
free(outbuf);
return NULL;
}
outbuf = newbuf;
outsize = newsize;
}
if((inbuf[i] > 0x20) && (inbuf[i] < 0x7F)) {
outbuf[o] = inbuf[i];
o++;
}
else {
msnprintf(&outbuf[o], outsize - o, HEX_FMT_STR, inbuf[i]);
o += HEX_STR_LEN;
}
}
outbuf[o] = '\0';
return outbuf;
}
int main(int argc, char *argv[])
{
char buf[1024];
char logfilename[256];
FILE *stream;
int error;
char *type1_input = NULL, *type3_input = NULL;
char *type1_output = NULL, *type3_output = NULL;
size_t size = 0;
long testnum;
const char *env;
int arg = 1;
const char *helper_user = "unknown";
const char *helper_proto = "unknown";
const char *helper_domain = "unknown";
bool use_cached_creds = FALSE;
char *msgbuf;
buf[0] = '\0';
while(argc > arg) {
if(!strcmp("--use-cached-creds", argv[arg])) {
use_cached_creds = TRUE;
arg++;
}
else if(!strcmp("--helper-protocol", argv[arg])) {
arg++;
if(argc > arg)
helper_proto = argv[arg++];
}
else if(!strcmp("--username", argv[arg])) {
arg++;
if(argc > arg)
helper_user = argv[arg++];
}
else if(!strcmp("--domain", argv[arg])) {
arg++;
if(argc > arg)
helper_domain = argv[arg++];
}
else {
puts("Usage: fake_ntlm [option]\n"
" --use-cached-creds\n"
" --helper-protocol [protocol]\n"
" --username [username]\n"
" --domain [domain]");
exit(1);
}
}
env = getenv("CURL_NTLM_AUTH_TESTNUM");
if(env) {
char *endptr;
long lnum = strtol(env, &endptr, 10);
if((endptr != env + strlen(env)) || (lnum < 1L)) {
fprintf(stderr, "Test number not valid in CURL_NTLM_AUTH_TESTNUM");
exit(1);
}
testnum = lnum;
}
else {
fprintf(stderr, "Test number not specified in CURL_NTLM_AUTH_TESTNUM");
exit(1);
}
/* logmsg cannot be used until this file name is set */
msnprintf(logfilename, sizeof(logfilename), LOGFILE, testnum);
serverlogfile = logfilename;
logmsg("fake_ntlm (user: %s) (proto: %s) (domain: %s) (cached creds: %s)",
helper_user, helper_proto, helper_domain,
(use_cached_creds) ? "yes" : "no");
env = getenv("CURL_NTLM_AUTH_SRCDIR");
if(env) {
path = env;
}
stream = test2fopen(testnum);
if(!stream) {
error = errno;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Couldn't open test file %ld", testnum);
exit(1);
}
else {
/* get the ntlm_auth input/output */
error = getpart(&type1_input, &size, "ntlm_auth_type1", "input", stream);
fclose(stream);
if(error || size == 0) {
logmsg("getpart() type 1 input failed with error: %d", error);
exit(1);
}
}
stream = test2fopen(testnum);
if(!stream) {
error = errno;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Couldn't open test file %ld", testnum);
}
else {
size = 0;
error = getpart(&type3_input, &size, "ntlm_auth_type3", "input", stream);
fclose(stream);
if(error || size == 0) {
logmsg("getpart() type 3 input failed with error: %d", error);
exit(1);
}
}
while(fgets(buf, sizeof(buf), stdin)) {
if(strcmp(buf, type1_input) == 0) {
stream = test2fopen(testnum);
if(!stream) {
error = errno;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Couldn't open test file %ld", testnum);
exit(1);
}
else {
size = 0;
error = getpart(&type1_output, &size, "ntlm_auth_type1", "output",
stream);
fclose(stream);
if(error || size == 0) {
logmsg("getpart() type 1 output failed with error: %d", error);
exit(1);
}
}
printf("%s", type1_output);
fflush(stdout);
}
else if(strncmp(buf, type3_input, strlen(type3_input)) == 0) {
stream = test2fopen(testnum);
if(!stream) {
error = errno;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Couldn't open test file %ld", testnum);
exit(1);
}
else {
size = 0;
error = getpart(&type3_output, &size, "ntlm_auth_type3", "output",
stream);
fclose(stream);
if(error || size == 0) {
logmsg("getpart() type 3 output failed with error: %d", error);
exit(1);
}
}
printf("%s", type3_output);
fflush(stdout);
}
else {
printf("Unknown request\n");
msgbuf = printable(buf, 0);
if(msgbuf) {
logmsg("invalid input: '%s'\n", msgbuf);
free(msgbuf);
}
else
logmsg("OOM formatting invalid input: '%s'\n", buf);
exit(1);
}
}
logmsg("Exit");
return 1;
}