/*      $NetBSD: irp_pw.c,v 1.1.1.2 2012/09/09 16:07:51 christos Exp $  */

/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Portions Copyright (c) 1996 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#if defined(LIBC_SCCS) && !defined(lint)
static const char rcsid[] = "Id: irp_pw.c,v 1.4 2005/04/27 04:56:29 sra Exp ";
#endif /* LIBC_SCCS and not lint */

/* Extern */

#include "port_before.h"

#ifndef WANT_IRS_PW
static int __bind_irs_pw_unneeded;
#else

#include <syslog.h>
#include <sys/param.h>

#include <db.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <utmp.h>
#include <unistd.h>

#include <irs.h>
#include <irp.h>
#include <isc/memcluster.h>
#include <isc/irpmarshall.h>

#include "port_after.h"

#include "irs_p.h"
#include "irp_p.h"


/* Types */

struct  pvt {
       struct irp_p   *girpdata; /*%< global IRP data */
       int             warned;
       struct passwd   passwd;         /*%< password structure */
};

/* Forward */

static void                     pw_close(struct irs_pw *);
static struct passwd *          pw_next(struct irs_pw *);
static struct passwd *          pw_byname(struct irs_pw *, const char *);
static struct passwd *          pw_byuid(struct irs_pw *, uid_t);
static void                     pw_rewind(struct irs_pw *);
static void                     pw_minimize(struct irs_pw *);

static void                     free_passwd(struct passwd *pw);

/* Public */
struct irs_pw *
irs_irp_pw(struct irs_acc *this) {
       struct irs_pw *pw;
       struct pvt *pvt;

       if (!(pw = memget(sizeof *pw))) {
               errno = ENOMEM;
               return (NULL);
       }
       memset(pw, 0, sizeof *pw);

       if (!(pvt = memget(sizeof *pvt))) {
               memput(pw, sizeof *pw);
               errno = ENOMEM;
               return (NULL);
       }
       memset(pvt, 0, sizeof *pvt);
       pvt->girpdata = this->private;

       pw->private = pvt;
       pw->close = pw_close;
       pw->next = pw_next;
       pw->byname = pw_byname;
       pw->byuid = pw_byuid;
       pw->rewind = pw_rewind;
       pw->minimize = pw_minimize;

       return (pw);
}

/* Methods */

/*%
* void pw_close(struct irs_pw *this)
*
*/

static void
pw_close(struct irs_pw *this) {
       struct pvt *pvt = (struct pvt *)this->private;

       pw_minimize(this);

       free_passwd(&pvt->passwd);

       memput(pvt, sizeof *pvt);
       memput(this, sizeof *this);
}

/*%
* struct passwd * pw_next(struct irs_pw *this)
*
*/

static struct passwd *
pw_next(struct irs_pw *this) {
       struct pvt *pvt = (struct pvt *)this->private;
       struct passwd *pw = &pvt->passwd;
       char *body;
       size_t bodylen;
       int code;
       char text[256];

       if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
               return (NULL);
       }

       if (irs_irp_send_command(pvt->girpdata, "getpwent") != 0) {
               return (NULL);
       }

       if (irs_irp_get_full_response(pvt->girpdata, &code,
                                     text, sizeof text,
                                     &body, &bodylen) != 0) {
               return (NULL);
       }

       if (code == IRPD_GETUSER_OK) {
               free_passwd(pw);
               if (irp_unmarshall_pw(pw, body) != 0) {
                       pw = NULL;
               }
       } else {
               pw = NULL;
       }

       if (body != NULL) {
               memput(body, bodylen);
       }

       return (pw);
}

/*%
* struct passwd * pw_byname(struct irs_pw *this, const char *name)
*
*/

static struct passwd *
pw_byname(struct irs_pw *this, const char *name) {
       struct pvt *pvt = (struct pvt *)this->private;
       struct passwd *pw = &pvt->passwd;
       char *body = NULL;
       char text[256];
       size_t bodylen;
       int code;

       if (pw->pw_name != NULL && strcmp(name, pw->pw_name) == 0) {
               return (pw);
       }

       if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
               return (NULL);
       }

       if (irs_irp_send_command(pvt->girpdata, "getpwnam %s", name) != 0) {
               return (NULL);
       }

       if (irs_irp_get_full_response(pvt->girpdata, &code,
                                     text, sizeof text,
                                     &body, &bodylen) != 0) {
               return (NULL);
       }

       if (code == IRPD_GETUSER_OK) {
               free_passwd(pw);
               if (irp_unmarshall_pw(pw, body) != 0) {
                       pw = NULL;
               }
       } else {
               pw = NULL;
       }

       if (body != NULL) {
               memput(body, bodylen);
       }

       return (pw);
}

/*%
* struct passwd * pw_byuid(struct irs_pw *this, uid_t uid)
*
*/

static struct passwd *
pw_byuid(struct irs_pw *this, uid_t uid) {
       struct pvt *pvt = (struct pvt *)this->private;
       char *body;
       char text[256];
       size_t bodylen;
       int code;
       struct passwd *pw = &pvt->passwd;

       if (pw->pw_name != NULL && pw->pw_uid == uid) {
               return (pw);
       }

       if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
               return (NULL);
       }

       if (irs_irp_send_command(pvt->girpdata, "getpwuid %d", uid) != 0) {
               return (NULL);
       }

       if (irs_irp_get_full_response(pvt->girpdata, &code,
                                     text, sizeof text,
                                     &body, &bodylen) != 0) {
               return (NULL);
       }

       if (code == IRPD_GETUSER_OK) {
               free_passwd(pw);
               if (irp_unmarshall_pw(pw, body) != 0) {
                       pw = NULL;
               }
       } else {
               pw = NULL;
       }

       if (body != NULL) {
               memput(body, bodylen);
       }

       return (pw);
}

/*%
* void pw_rewind(struct irs_pw *this)
*
*/

static void
pw_rewind(struct irs_pw *this) {
       struct pvt *pvt = (struct pvt *)this->private;
       char text[256];
       int code;

       if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
               return;
       }

       if (irs_irp_send_command(pvt->girpdata, "setpwent") != 0) {
               return;
       }

       code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
       if (code != IRPD_GETUSER_SETOK) {
               if (irp_log_errors) {
                       syslog(LOG_WARNING, "setpwent failed: %s", text);
               }
       }

       return;
}

/*%
* void pw_minimize(struct irs_pw *this)
*
*/

static void
pw_minimize(struct irs_pw *this) {
       struct pvt *pvt = (struct pvt *)this->private;

       irs_irp_disconnect(pvt->girpdata);
}


/* Private. */

/*%
*      Deallocate all the memory irp_unmarshall_pw allocated.
*
*/

static void
free_passwd(struct passwd *pw) {
       if (pw == NULL)
               return;

       if (pw->pw_name != NULL)
               free(pw->pw_name);

       if (pw->pw_passwd != NULL)
               free(pw->pw_passwd);

#ifdef HAVE_PW_CLASS
       if (pw->pw_class != NULL)
               free(pw->pw_class);
#endif

       if (pw->pw_gecos != NULL)
               free(pw->pw_gecos);

       if (pw->pw_dir != NULL)
               free(pw->pw_dir);

       if (pw->pw_shell != NULL)
               free(pw->pw_shell);
}

#endif /* WANT_IRS_PW */
/*! \file */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.