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/*
* validate-tcos.c part of tcosxmlrpc
* => validate throught /etc/tcospasswd
* Copyright (C) 2006,2007,2008 mariodebian at gmail
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "common.h"
#include "debug.h"
#include "validate.h"
#define _GNU_SOURCE
#include <string.h>
#include <pwd.h>
#include <sys/types.h>
void free_tokens( char **tokens) {
int i=0;
for(i = 0; tokens[i] != NULL; i++) {
free(tokens[i]);
}
free(tokens);
}
char *validate_tcos(char *user, char *pass)
{
/*struct passwd *pwd;*/
char *cryptpass;
FILE *fp;
char line[BSIZE];
char **tokens = NULL;
int i=0;
/*char *fret;*/
struct info *login=malloc(sizeof(struct info));
fp = fopen ("/etc/tcospasswd", "r" );
if (fp == NULL) {
dbgtcos("error validate_tcos(): file /etc/tcospasswd not exists.\n");
return (char*) LOGIN_ERROR;
}
(void)fgets( line, sizeof line, fp);
/*remove_line_break(line);*/
fclose(fp);
strncpy(login->line, line, BSIZE);
/* split using ':' */
tokens = split(login->line, ":");
for(i = 0; tokens[i] != NULL; i++){
if (i==0) {
login->user=tokens[i];
dbgtcos("split_login() USER FOUND tokens[%d]='%s' user='%s'\n",i,tokens[i], login->user);
}
if (i == 1) {
login->pass=tokens[i];
login->pass[strlen(login->pass)-1]='\0';
#ifdef VISIBLE_PASSWD
dbgtcos("split_login() PASSWD FOUND tokens[%d]='%s', pass='%s'\n",i,tokens[i], login->pass);
#endif
}
}
#ifdef VISIBLE_PASSWD
dbgtcos( "validate_tcos() login->user=\"%s\" login->pass=\"%s\"\n", login->user, login->pass);
#endif
dbgtcos( "validate_tcos() check users user=\"%s\" my_user=\"%s\"\n", user, login->user);
if ( strcmp(login->user, user) != 0 ) {
dbgtcos("error validate_passwd(): BAD USER.\n");
free_tokens(tokens);
return LOGIN_NOUSER;
}
cryptpass=crypt(pass, PASS_ID );
#ifdef VISIBLE_PASSWD
dbgtcos("info validate_passwd(): the_pass=%s my_pass=%s \n", login->pass, cryptpass);
#endif
if ( strcmp(login->pass, cryptpass) == 0 ) {
dbgtcos("info validate_passwd(): LOGIN OK.\n");
free(login);
free_tokens(tokens);
return LOGIN_OK;
}
dbgtcos("info validate_passwd(): BAD PASSWORD.\n");
free(login);
free_tokens(tokens);
return LOGIN_NOPASS;
}
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