freebsd-dev/contrib/bind/lib/irs/irp_pw.c
Peter Wemm 6b6ac9438f Import bind v8.2.2.p5, minus the crypto for the time being. The bind
package does have BXA export approval, but the licensing strings on the
dnssafe code are a bit unpleasant.  The crypto is easy to restore and bind
will run without it - just without full dnssec support.

Obtained from:	The Internet Software Consortium (www.isc.org)
1999-11-30 02:43:11 +00:00

357 lines
6.5 KiB
C

/*
* 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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 8.1 1999/01/18 07:46:54 vixie 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. */
/*
* static void free_passwd(struct passwd *pw);
*
* 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);
if (pw->pw_class != NULL)
free(pw->pw_class);
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 */