2002-09-03 13:52:59 +02:00
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/***************************************************************************
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2004-10-06 09:50:18 +02:00
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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1999-12-29 15:20:26 +01:00
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* \___|\___/|_| \_\_____|
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*
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2014-04-19 16:00:43 +02:00
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* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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1999-12-29 15:20:26 +01:00
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*
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2002-09-03 13:52:59 +02:00
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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2004-10-06 09:50:18 +02:00
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*
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2001-01-03 10:29:33 +01:00
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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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2002-09-03 13:52:59 +02:00
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* furnished to do so, under the terms of the COPYING file.
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1999-12-29 15:20:26 +01:00
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*
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2001-01-03 10:29:33 +01:00
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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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1999-12-29 15:20:26 +01:00
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*
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2002-09-03 13:52:59 +02:00
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***************************************************************************/
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1999-12-29 15:20:26 +01:00
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2013-01-06 19:06:49 +01:00
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#include "curl_setup.h"
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2000-08-24 16:26:33 +02:00
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2001-03-14 17:05:00 +01:00
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#ifdef HAVE_PWD_H
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#include <pwd.h>
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#endif
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2001-02-07 09:36:23 +01:00
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#include <curl/curl.h>
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2013-01-04 02:50:28 +01:00
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#include "netrc.h"
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2001-02-07 09:36:23 +01:00
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2013-01-04 02:50:28 +01:00
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#include "strequal.h"
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#include "strtok.h"
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2009-04-21 13:46:16 +02:00
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#include "curl_memory.h"
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2013-01-04 02:50:28 +01:00
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#include "rawstr.h"
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1999-12-29 15:20:26 +01:00
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2003-11-11 15:30:43 +01:00
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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2001-03-16 16:19:36 +01:00
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/* The last #include file should be: */
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2013-01-04 02:50:28 +01:00
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#include "memdebug.h"
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2001-03-16 16:19:36 +01:00
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1999-12-29 15:20:26 +01:00
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/* Get user and password from .netrc when given a machine name */
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2011-01-28 17:20:37 +01:00
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enum host_lookup_state {
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1999-12-29 15:20:26 +01:00
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NOTHING,
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HOSTFOUND, /* the 'machine' keyword was found */
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2012-06-12 22:46:14 +02:00
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HOSTVALID /* this is "our" machine! */
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1999-12-29 15:20:26 +01:00
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};
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2011-06-10 14:40:46 +02:00
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/*
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* @unittest: 1304
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2013-08-29 12:49:56 +02:00
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*
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* *loginp and *passwordp MUST be allocated if they aren't NULL when passed
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* in.
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2011-06-10 14:40:46 +02:00
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*/
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2008-08-01 02:49:29 +02:00
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int Curl_parsenetrc(const char *host,
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2013-08-19 09:48:24 +02:00
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char **loginp,
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char **passwordp,
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2003-11-11 15:30:43 +01:00
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char *netrcfile)
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1999-12-29 15:20:26 +01:00
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{
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FILE *file;
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int retcode=1;
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2014-04-19 16:00:43 +02:00
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int specific_login = (*loginp && **loginp != 0);
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2003-11-11 15:30:43 +01:00
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bool netrc_alloc = FALSE;
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2011-01-28 17:20:37 +01:00
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enum host_lookup_state state=NOTHING;
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1999-12-29 15:20:26 +01:00
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2002-05-22 00:17:19 +02:00
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char state_login=0; /* Found a login keyword */
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char state_password=0; /* Found a password keyword */
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2004-03-23 16:30:12 +01:00
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int state_our_login=FALSE; /* With specific_login, found *our* login name */
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1999-12-29 15:20:26 +01:00
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2003-11-24 12:41:26 +01:00
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#define NETRC DOT_CHAR "netrc"
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2003-11-11 15:30:43 +01:00
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if(!netrcfile) {
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2014-01-24 21:52:48 +01:00
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bool home_alloc = FALSE;
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char *home = curl_getenv("HOME"); /* portable environment reader */
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2004-02-19 10:22:00 +01:00
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if(home) {
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home_alloc = TRUE;
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2003-11-11 15:30:43 +01:00
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#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
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2004-02-19 10:22:00 +01:00
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}
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else {
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struct passwd *pw;
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pw= getpwuid(geteuid());
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2007-11-07 10:21:35 +01:00
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if(pw) {
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2004-02-19 10:22:00 +01:00
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home = pw->pw_dir;
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}
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2003-11-11 15:30:43 +01:00
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#endif
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}
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2004-02-19 10:22:00 +01:00
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if(!home)
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2014-07-12 20:19:34 +02:00
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return retcode; /* no home directory found (or possibly out of memory) */
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2004-02-19 10:22:00 +01:00
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2003-11-11 15:30:43 +01:00
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netrcfile = curl_maprintf("%s%s%s", home, DIR_CHAR, NETRC);
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2014-01-24 21:52:48 +01:00
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if(home_alloc)
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Curl_safefree(home);
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2003-11-11 15:30:43 +01:00
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if(!netrcfile) {
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return -1;
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}
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netrc_alloc = TRUE;
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}
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2002-05-22 00:17:19 +02:00
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2003-11-11 15:30:43 +01:00
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file = fopen(netrcfile, "r");
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2014-01-24 21:52:48 +01:00
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if(netrc_alloc)
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Curl_safefree(netrcfile);
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1999-12-29 15:20:26 +01:00
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if(file) {
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char *tok;
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2003-08-20 17:40:21 +02:00
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char *tok_buf;
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bool done=FALSE;
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2003-11-11 15:30:43 +01:00
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char netrcbuffer[256];
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2009-04-14 14:53:53 +02:00
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int netrcbuffsize = (int)sizeof(netrcbuffer);
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2010-02-14 20:40:18 +01:00
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2009-04-14 14:53:53 +02:00
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while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
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2001-05-29 21:17:39 +02:00
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tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
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2003-08-20 17:40:21 +02:00
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while(!done && tok) {
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2002-05-22 00:17:19 +02:00
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2014-04-19 16:00:43 +02:00
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if((*loginp && **loginp) && (*passwordp && **passwordp)) {
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2003-08-20 17:40:21 +02:00
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done=TRUE;
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break;
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}
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2002-05-22 00:17:19 +02:00
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2004-10-06 09:50:18 +02:00
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switch(state) {
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case NOTHING:
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2008-10-16 10:23:48 +02:00
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if(Curl_raw_equal("machine", tok)) {
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2004-10-06 09:50:18 +02:00
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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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2008-10-16 10:23:48 +02:00
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if(Curl_raw_equal(host, tok)) {
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2004-10-06 09:50:18 +02:00
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/* and yes, this is our host! */
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state=HOSTVALID;
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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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2007-11-07 10:21:35 +01:00
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if(specific_login) {
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2013-08-19 09:48:24 +02:00
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state_our_login = Curl_raw_equal(*loginp, tok);
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2003-08-20 17:40:21 +02:00
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}
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else {
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2013-08-19 09:48:24 +02:00
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free(*loginp);
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*loginp = strdup(tok);
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2014-01-24 21:52:48 +01:00
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if(!*loginp) {
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retcode = -1; /* allocation failed */
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goto out;
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}
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2002-05-22 00:17:19 +02:00
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}
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2004-10-06 09:50:18 +02:00
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state_login=0;
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}
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else if(state_password) {
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2007-11-07 10:21:35 +01:00
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if(state_our_login || !specific_login) {
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2013-08-19 09:48:24 +02:00
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free(*passwordp);
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*passwordp = strdup(tok);
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2014-01-24 21:52:48 +01:00
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if(!*passwordp) {
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retcode = -1; /* allocation failed */
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goto out;
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}
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2002-05-22 00:17:19 +02:00
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}
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2004-10-06 09:50:18 +02:00
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state_password=0;
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}
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2008-10-16 10:23:48 +02:00
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else if(Curl_raw_equal("login", tok))
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2004-10-06 09:50:18 +02:00
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state_login=1;
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2008-10-16 10:23:48 +02:00
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else if(Curl_raw_equal("password", tok))
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2004-10-06 09:50:18 +02:00
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state_password=1;
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2008-10-16 10:23:48 +02:00
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else if(Curl_raw_equal("machine", tok)) {
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2004-10-06 09:50:18 +02:00
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/* ok, there's machine here go => */
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state = HOSTFOUND;
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2004-03-23 16:30:12 +01:00
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state_our_login = FALSE;
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2004-10-06 09:50:18 +02:00
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}
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break;
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} /* switch (state) */
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2002-05-22 00:17:19 +02:00
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2004-10-06 09:50:18 +02:00
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tok = strtok_r(NULL, " \t\n", &tok_buf);
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2007-11-07 10:21:35 +01:00
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} /* while(tok) */
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1999-12-29 15:20:26 +01:00
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} /* while fgets() */
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2014-01-24 21:52:48 +01:00
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out:
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1999-12-29 15:20:26 +01:00
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fclose(file);
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}
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return retcode;
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}
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