+++ /dev/null
-/*
- * Copyright (c) 1997-2000 The Stanford SRP Authentication Project
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF
- * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT
- * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * In addition, the following conditions apply:
- *
- * 1. Any software that incorporates the SRP authentication technology
- * must display the following acknowlegment:
- * "This product uses the 'Secure Remote Password' cryptographic
- * authentication system developed by Tom Wu (tjw@CS.Stanford.EDU)."
- *
- * 2. Any software that incorporates all or part of the SRP distribution
- * itself must also display the following acknowledgment:
- * "This product includes software developed by Tom Wu and Eugene
- * Jhong for the SRP Distribution (http://srp.stanford.edu/srp/)."
- *
- * 3. Redistributions in source or binary form must retain an intact copy
- * of this copyright notice and list of conditions.
- */
-
-#include "t_defines.h"
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#ifdef USE_HOMEDIR
-#include <pwd.h>
-#endif
-#ifdef WIN32
-#include <io.h>
-#endif
-
-#include "t_pwd.h"
-#include "t_read.h"
-#include "t_sha.h"
-#include "t_server.h"
-
-static struct t_pw * syspw = NULL;
-static struct t_passwd tpass;
-
-_TYPE( struct t_server * )
-t_serveropen(username)
- const char * username;
-{
- struct t_passwd * p;
- p = gettpnam(username);
- if(p == NULL) {
- return NULL;
- } else {
- return t_serveropenraw(&p->tp, &p->tc);
- }
-}
-
-
-/* t_openpw(NULL) is deprecated - use settpent()/gettpnam() instead */
-
-_TYPE( struct t_pw * )
-t_openpw(fp)
- FILE * fp;
-{
- struct t_pw * tpw;
- char close_flag = 0;
-
- if(fp == NULL) { /* Deprecated */
- if((fp = fopen(DEFAULT_PASSWD, "r")) == NULL)
- return NULL;
- close_flag = 1;
- }
- else
- close_flag = 0;
-
- if((tpw = malloc(sizeof(struct t_pw))) == NULL)
- return NULL;
- tpw->instream = fp;
- tpw->close_on_exit = close_flag;
- tpw->state = FILE_ONLY;
-
- return tpw;
-}
-
-_TYPE( struct t_pw * )
-t_openpwbyname(pwname)
- const char * pwname;
-{
- FILE * fp;
- struct t_pw * t;
-
- if(pwname == NULL) /* Deprecated */
- return t_openpw(NULL);
-
- if((fp = fopen(pwname, "r")) == NULL)
- return NULL;
-
- t = t_openpw(fp);
- t->close_on_exit = 1;
- return t;
-}
-
-_TYPE( void )
-t_closepw(tpw)
- struct t_pw * tpw;
-{
- if(tpw->close_on_exit)
- fclose(tpw->instream);
- free(tpw);
-}
-
-_TYPE( void )
-t_rewindpw(tpw)
- struct t_pw * tpw;
-{
-#ifdef ENABLE_YP
- if(tpw->state == IN_NIS)
- tpw->state = FILE_NIS;
-#endif
- rewind(tpw->instream);
-}
-
-#ifdef ENABLE_YP
-static void
-savepwent(tpw, pwent)
- struct t_pw * tpw;
- struct t_pwent *pwent;
-{
- tpw->pebuf.name = tpw->userbuf;
- tpw->pebuf.password.data = tpw->pwbuf;
- tpw->pebuf.salt.data = tpw->saltbuf;
- strcpy(tpw->pebuf.name, pwent->name);
- tpw->pebuf.password.len = pwent->password.len;
- memcpy(tpw->pebuf.password.data, pwent->password.data, pwent->password.len);
- tpw->pebuf.salt.len = pwent->salt.len;
- memcpy(tpw->pebuf.salt.data, pwent->salt.data, pwent->salt.len);
- tpw->pebuf.index = pwent->index;
-}
-#endif /* ENABLE_YP */
-
-_TYPE( struct t_pwent * )
-t_getpwbyname(tpw, user)
- struct t_pw * tpw;
- const char * user;
-{
- char indexbuf[16];
- char passbuf[MAXB64PARAMLEN];
- char saltstr[MAXB64SALTLEN];
- char username[MAXUSERLEN];
-#ifdef ENABLE_YP
- struct t_passwd * nisent;
-#endif
-
- t_rewindpw(tpw);
-
- while(t_nextfield(tpw->instream, username, MAXUSERLEN) > 0) {
-#ifdef ENABLE_YP
- if(tpw->state == FILE_NIS && *username == '+') {
- if(strlen(username) == 1 || strcmp(user, username+1) == 0) {
- nisent = _yp_gettpnam(user); /* Entry is +username or + */
- if(nisent != NULL) {
- savepwent(tpw, &nisent->tp);
- return &tpw->pebuf;
- }
- }
- }
-#endif
- if(strcmp(user, username) == 0)
- if(t_nextfield(tpw->instream, passbuf, MAXB64PARAMLEN) > 0 &&
- (tpw->pebuf.password.len = t_fromb64(tpw->pwbuf, passbuf)) > 0 &&
- t_nextfield(tpw->instream, saltstr, MAXB64SALTLEN) > 0 &&
- (tpw->pebuf.salt.len = t_fromb64(tpw->saltbuf, saltstr)) > 0 &&
- t_nextfield(tpw->instream, indexbuf, 16) > 0 &&
- (tpw->pebuf.index = atoi(indexbuf)) > 0) {
- strcpy(tpw->userbuf, username);
- tpw->pebuf.name = tpw->userbuf;
- tpw->pebuf.password.data = tpw->pwbuf;
- tpw->pebuf.salt.data = tpw->saltbuf;
- t_nextline(tpw->instream);
- return &tpw->pebuf;
- }
- if(t_nextline(tpw->instream) < 0)
- return NULL;
- }
- return NULL;
-}
-
-/* System password file accessors */
-
-static int
-pwinit()
-{
- if(syspw == NULL) {
- if((syspw = t_openpwbyname(DEFAULT_PASSWD)) == NULL)
- return -1;
- syspw->state = FILE_NIS;
- }
- return 0;
-}
-
-static void
-pwsetup(out, tpwd, tcnf)
- struct t_passwd * out;
- struct t_pwent * tpwd;
- struct t_confent * tcnf;
-{
- out->tp.name = tpwd->name;
- out->tp.password.len = tpwd->password.len;
- out->tp.password.data = tpwd->password.data;
- out->tp.salt.len = tpwd->salt.len;
- out->tp.salt.data = tpwd->salt.data;
- out->tp.index = tpwd->index;
-
- out->tc.index = tcnf->index;
- out->tc.modulus.len = tcnf->modulus.len;
- out->tc.modulus.data = tcnf->modulus.data;
- out->tc.generator.len = tcnf->generator.len;
- out->tc.generator.data = tcnf->generator.data;
-}
-
-_TYPE( struct t_passwd * )
-gettpnam
-(user)
- const char * user;
-{
- struct t_pwent * tpptr;
- struct t_confent * tcptr;
-
- if(pwinit() < 0)
- return NULL;
- tpptr = t_getpwbyname(syspw, user);
- if(tpptr == NULL)
- return NULL;
- tcptr =
- gettcid
- (tpptr->index);
- if(tcptr == NULL)
- return NULL;
- pwsetup(&tpass, tpptr, tcptr);
- return &tpass;
-}
projects / openwrt / staging / mkresin.git / blobdiff