Files
heimdal/appl/popper/pop_pass.c
Assar Westerlund 9f1661eb7a comments in endif
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@191 ec53bebd-3082-4978-b11e-865c3cabbd6b
1995-11-05 21:25:07 +00:00

104 lines
3.3 KiB
C

/*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef lint
static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
static char SccsId[] = "@(#)@(#)pop_pass.c 2.3 2.3 4/2/91";
#endif /* not lint */
#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include <pwd.h>
#include "popper.h"
#ifdef KERBEROS
#include <krb.h>
extern AUTH_DAT kdata;
#endif /* KERBEROS */
/*
* pass: Obtain the user password from a POP client
*/
int pop_pass (p)
POP * p;
{
#ifdef KERBEROS
char lrealm[REALM_SZ];
int status;
#else
register struct passwd * pw;
char *crypt();
#endif /* KERBEROS */
#ifdef KERBEROS
if ((status = krb_get_lrealm(lrealm,1)) == KFAILURE) {
pop_log(p, POP_FAILURE, "%s: (%s.%s@%s) %s", p->client, kdata.pname,
kdata.pinst, kdata.prealm, krb_err_txt[status]);
return(pop_msg(p,POP_FAILURE,
"Kerberos error: \"%s\".", krb_err_txt[status]));
}
if (strcmp(kdata.prealm,lrealm)) {
pop_log(p, POP_FAILURE, "%s: (%s.%s@%s) realm not accepted.",
p->client, kdata.pname, kdata.pinst, kdata.prealm);
return(pop_msg(p,POP_FAILURE,
"Kerberos realm \"%s\" not accepted.", kdata.prealm));
}
if (strcmp(kdata.pinst,"")) {
pop_log(p, POP_FAILURE, "%s: (%s.%s@%s) instance not accepted.",
p->client, kdata.pname, kdata.pinst, kdata.prealm);
return(pop_msg(p,POP_FAILURE,
"Must use null Kerberos(tm) instance - \"%s.%s\" not accepted.",
kdata.pname, kdata.pinst));
}
/* Build the name of the user's maildrop */
(void)sprintf(p->drop_name,"%s/%s",POP_MAILDIR,p->user);
/* Make a temporary copy of the user's maildrop */
if (pop_dropcopy(p, 0) != POP_SUCCESS) return (POP_FAILURE);
#else /* !KERBEROS */
/* Look for the user in the password file */
if ((pw = getpwnam(p->user)) == NULL)
return (pop_msg(p,POP_FAILURE,
"Password supplied for \"%s\" is incorrect.",p->user));
/* We don't accept connections from users with null passwords */
if (pw->pw_passwd == NULL)
return (pop_msg(p,POP_FAILURE,
"Password supplied for \"%s\" is incorrect.",p->user));
/* Compare the supplied password with the password file entry */
if (strcmp (crypt (p->pop_parm[1], pw->pw_passwd), pw->pw_passwd) != 0)
return (pop_msg(p,POP_FAILURE,
"Password supplied for \"%s\" is incorrect.",p->user));
/* Build the name of the user's maildrop */
(void)sprintf(p->drop_name,"%s/%s",POP_MAILDIR,p->user);
/* Make a temporary copy of the user's maildrop */
/* and set the group and user id */
if (pop_dropcopy(p,pw) != POP_SUCCESS) return (POP_FAILURE);
#endif /* !KERBEROS */
/* Get information about the maildrop */
if (pop_dropinfo(p) != POP_SUCCESS) return(POP_FAILURE);
/* Initialize the last-message-accessed number */
p->last_msg = 0;
/* Authorization completed successfully */
return (pop_msg (p,POP_SUCCESS,
"%s has %d message(s) (%d octets).",
p->user,p->msg_count,p->drop_size));
}