mirror of
https://github.com/curl/curl.git
synced 2024-12-03 06:20:31 +08:00
163 lines
3.9 KiB
C
163 lines
3.9 KiB
C
/*****************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* In order to be useful for every potential user, curl and libcurl are
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* dual-licensed under the MPL and the MIT/X-derivate licenses.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the MPL or the MIT/X-derivate
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* licenses. You may pick one of these licenses.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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*****************************************************************************/
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#include "setup.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "getenv.h"
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#include "strequal.h"
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/* Debug this single source file with:
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'make netrc' then run './netrc'!
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Oh, make sure you have a .netrc file too ;-)
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*/
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/* Get user and password from .netrc when given a machine name */
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enum {
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NOTHING,
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HOSTFOUND, /* the 'machine' keyword was found */
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HOSTCOMPLETE, /* the machine name following the keyword was found too */
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HOSTVALID, /* this is "our" machine! */
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HOSTEND /* LAST enum */
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};
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/* make sure we have room for at least this size: */
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#define LOGINSIZE 64
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#define PASSWORDSIZE 64
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int Curl_parsenetrc(char *host,
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char *login,
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char *password)
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{
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FILE *file;
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char netrcbuffer[256];
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int retcode=1;
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char *home = curl_getenv("HOME"); /* portable environment reader */
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int state=NOTHING;
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char state_login=0;
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char state_password=0;
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#define NETRC DOT_CHAR "netrc"
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if(!home)
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return -1;
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if(strlen(home)>(sizeof(netrcbuffer)-strlen(NETRC))) {
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free(home);
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return -1;
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}
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sprintf(netrcbuffer, "%s%s%s", home, DIR_CHAR, NETRC);
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file = fopen(netrcbuffer, "r");
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if(file) {
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char *tok;
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while(fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
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tok=strtok(netrcbuffer, " \t\n");
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while(tok) {
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switch(state) {
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case NOTHING:
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if(strequal("machine", tok)) {
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/* the next tok is the machine name, this is in itself the
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delimiter that starts the stuff entered for this machine,
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after this we need to search for 'login' and
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'password'. */
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state=HOSTFOUND;
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}
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break;
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case HOSTFOUND:
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if(strequal(host, tok)) {
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/* and yes, this is our host! */
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state=HOSTVALID;
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#ifdef _NETRC_DEBUG
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printf("HOST: %s\n", tok);
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#endif
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retcode=0; /* we did find our host */
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}
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else
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/* not our host */
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state=NOTHING;
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break;
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case HOSTVALID:
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/* we are now parsing sub-keywords concerning "our" host */
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if(state_login) {
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strncpy(login, tok, LOGINSIZE-1);
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#ifdef _NETRC_DEBUG
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printf("LOGIN: %s\n", login);
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#endif
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state_login=0;
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}
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else if(state_password) {
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strncpy(password, tok, PASSWORDSIZE-1);
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#if _NETRC_DEBUG
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printf("PASSWORD: %s\n", password);
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#endif
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state_password=0;
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}
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else if(strequal("login", tok))
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state_login=1;
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else if(strequal("password", tok))
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state_password=1;
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else if(strequal("machine", tok)) {
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/* ok, there's machine here go => */
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state = HOSTFOUND;
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}
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break;
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} /* switch (state) */
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tok = strtok(NULL, " \t\n");
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} /* while (tok) */
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} /* while fgets() */
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fclose(file);
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}
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free(home);
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return retcode;
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}
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#ifdef _NETRC_DEBUG
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int main(int argc, char **argv)
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{
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char login[64]="";
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char password[64]="";
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if(argc<2)
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return -1;
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if(0 == ParseNetrc(argv[1], login, password)) {
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printf("HOST: %s LOGIN: %s PASSWORD: %s\n",
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argv[1], login, password);
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}
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}
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#endif
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