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curl/lib/netrc.c
Yang Tse 4a5aa6682d Revert changes relative to lib/*.[ch] recent renaming
This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

  f871de0... build: make use of 76 lib/*.h renamed files
  ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

  c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

  13606bb... build: make use of 93 lib/*.c renamed files
  5b6e792... build: rename 93 lib/*.c files
  7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

  http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

  http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

  http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

  lib/curl_imap.h
  lib/curl_smtp.h
2013-01-06 18:20:27 +01:00

187 lines
4.9 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, 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 http://curl.haxx.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 "setup.h"
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef __VMS
#include <unixlib.h>
#endif
#include <curl/curl.h>
#include "netrc.h"
#include "strequal.h"
#include "strtok.h"
#include "curl_memory.h"
#include "rawstr.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
/* The last #include file should be: */
#include "memdebug.h"
/* Get user and password from .netrc when given a machine name */
enum host_lookup_state {
NOTHING,
HOSTFOUND, /* the 'machine' keyword was found */
HOSTVALID /* this is "our" machine! */
};
/*
* @unittest: 1304
*/
int Curl_parsenetrc(const char *host,
char *login,
char *password,
char *netrcfile)
{
FILE *file;
int retcode=1;
int specific_login = (login[0] != 0);
char *home = NULL;
bool home_alloc = FALSE;
bool netrc_alloc = FALSE;
enum host_lookup_state state=NOTHING;
char state_login=0; /* Found a login keyword */
char state_password=0; /* Found a password keyword */
int state_our_login=FALSE; /* With specific_login, found *our* login name */
#define NETRC DOT_CHAR "netrc"
if(!netrcfile) {
home = curl_getenv("HOME"); /* portable environment reader */
if(home) {
home_alloc = TRUE;
#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
}
else {
struct passwd *pw;
pw= getpwuid(geteuid());
if(pw) {
#ifdef __VMS
home = decc_translate_vms(pw->pw_dir);
#else
home = pw->pw_dir;
#endif
}
#endif
}
if(!home)
return -1;
netrcfile = curl_maprintf("%s%s%s", home, DIR_CHAR, NETRC);
if(!netrcfile) {
if(home_alloc)
free(home);
return -1;
}
netrc_alloc = TRUE;
}
file = fopen(netrcfile, "r");
if(file) {
char *tok;
char *tok_buf;
bool done=FALSE;
char netrcbuffer[256];
int netrcbuffsize = (int)sizeof(netrcbuffer);
while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
while(!done && tok) {
if(login[0] && password[0]) {
done=TRUE;
break;
}
switch(state) {
case NOTHING:
if(Curl_raw_equal("machine", tok)) {
/* the next tok is the machine name, this is in itself the
delimiter that starts the stuff entered for this machine,
after this we need to search for 'login' and
'password'. */
state=HOSTFOUND;
}
break;
case HOSTFOUND:
if(Curl_raw_equal(host, tok)) {
/* and yes, this is our host! */
state=HOSTVALID;
retcode=0; /* we did find our host */
}
else
/* not our host */
state=NOTHING;
break;
case HOSTVALID:
/* we are now parsing sub-keywords concerning "our" host */
if(state_login) {
if(specific_login) {
state_our_login = Curl_raw_equal(login, tok);
}
else {
strncpy(login, tok, LOGINSIZE-1);
}
state_login=0;
}
else if(state_password) {
if(state_our_login || !specific_login) {
strncpy(password, tok, PASSWORDSIZE-1);
}
state_password=0;
}
else if(Curl_raw_equal("login", tok))
state_login=1;
else if(Curl_raw_equal("password", tok))
state_password=1;
else if(Curl_raw_equal("machine", tok)) {
/* ok, there's machine here go => */
state = HOSTFOUND;
state_our_login = FALSE;
}
break;
} /* switch (state) */
tok = strtok_r(NULL, " \t\n", &tok_buf);
} /* while(tok) */
} /* while fgets() */
fclose(file);
}
if(home_alloc)
free(home);
if(netrc_alloc)
free(netrcfile);
return retcode;
}