6b6ac9438f
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)
357 lines
6.5 KiB
C
357 lines
6.5 KiB
C
/*
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* Portions Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static const char rcsid[] = "$Id: irp_pw.c,v 8.1 1999/01/18 07:46:54 vixie Exp $";
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#endif /* LIBC_SCCS and not lint */
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/* Extern */
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#include "port_before.h"
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#ifndef WANT_IRS_PW
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static int __bind_irs_pw_unneeded;
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#else
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#include <syslog.h>
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#include <sys/param.h>
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#include <db.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <pwd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <utmp.h>
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#include <unistd.h>
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#include <irs.h>
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#include <irp.h>
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#include <isc/memcluster.h>
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#include <isc/irpmarshall.h>
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#include "port_after.h"
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#include "irs_p.h"
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#include "irp_p.h"
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/* Types */
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struct pvt {
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struct irp_p *girpdata; /* global IRP data */
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int warned;
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struct passwd passwd; /* password structure */
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};
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/* Forward */
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static void pw_close(struct irs_pw *);
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static struct passwd * pw_next(struct irs_pw *);
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static struct passwd * pw_byname(struct irs_pw *, const char *);
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static struct passwd * pw_byuid(struct irs_pw *, uid_t);
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static void pw_rewind(struct irs_pw *);
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static void pw_minimize(struct irs_pw *);
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static void free_passwd(struct passwd *pw);
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/* Public */
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struct irs_pw *
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irs_irp_pw(struct irs_acc *this) {
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struct irs_pw *pw;
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struct pvt *pvt;
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if (!(pw = memget(sizeof *pw))) {
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errno = ENOMEM;
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return (NULL);
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}
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memset(pw, 0, sizeof *pw);
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if (!(pvt = memget(sizeof *pvt))) {
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memput(pw, sizeof *pw);
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errno = ENOMEM;
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return (NULL);
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}
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memset(pvt, 0, sizeof *pvt);
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pvt->girpdata = this->private;
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pw->private = pvt;
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pw->close = pw_close;
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pw->next = pw_next;
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pw->byname = pw_byname;
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pw->byuid = pw_byuid;
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pw->rewind = pw_rewind;
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pw->minimize = pw_minimize;
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return (pw);
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}
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/* Methods */
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/*
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* void pw_close(struct irs_pw *this)
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*
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*/
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static void
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pw_close(struct irs_pw *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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pw_minimize(this);
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free_passwd(&pvt->passwd);
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memput(pvt, sizeof *pvt);
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memput(this, sizeof *this);
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}
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/*
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* struct passwd * pw_next(struct irs_pw *this)
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*
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*/
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static struct passwd *
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pw_next(struct irs_pw *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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struct passwd *pw = &pvt->passwd;
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char *body;
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size_t bodylen;
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int code;
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char text[256];
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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if (irs_irp_send_command(pvt->girpdata, "getpwent") != 0) {
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return (NULL);
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}
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETUSER_OK) {
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free_passwd(pw);
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if (irp_unmarshall_pw(pw, body) != 0) {
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pw = NULL;
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}
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} else {
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pw = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pw);
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}
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/*
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* struct passwd * pw_byname(struct irs_pw *this, const char *name)
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*
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*/
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static struct passwd *
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pw_byname(struct irs_pw *this, const char *name) {
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struct pvt *pvt = (struct pvt *)this->private;
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struct passwd *pw = &pvt->passwd;
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char *body = NULL;
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char text[256];
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size_t bodylen;
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int code;
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if (pw->pw_name != NULL && strcmp(name, pw->pw_name) == 0) {
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return (pw);
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}
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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if (irs_irp_send_command(pvt->girpdata, "getpwnam %s", name) != 0) {
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return (NULL);
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}
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETUSER_OK) {
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free_passwd(pw);
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if (irp_unmarshall_pw(pw, body) != 0) {
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pw = NULL;
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}
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} else {
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pw = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pw);
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}
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/*
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* struct passwd * pw_byuid(struct irs_pw *this, uid_t uid)
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*
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*/
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static struct passwd *
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pw_byuid(struct irs_pw *this, uid_t uid) {
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struct pvt *pvt = (struct pvt *)this->private;
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char *body;
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char text[256];
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size_t bodylen;
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int code;
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struct passwd *pw = &pvt->passwd;
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if (pw->pw_name != NULL && pw->pw_uid == uid) {
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return (pw);
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}
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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if (irs_irp_send_command(pvt->girpdata, "getpwuid %d", uid) != 0) {
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return (NULL);
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}
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETUSER_OK) {
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free_passwd(pw);
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if (irp_unmarshall_pw(pw, body) != 0) {
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pw = NULL;
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}
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} else {
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pw = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pw);
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}
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/*
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* void pw_rewind(struct irs_pw *this)
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*
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*/
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static void
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pw_rewind(struct irs_pw *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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char text[256];
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int code;
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return;
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}
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if (irs_irp_send_command(pvt->girpdata, "setpwent") != 0) {
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return;
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}
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code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
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if (code != IRPD_GETUSER_SETOK) {
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if (irp_log_errors) {
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syslog(LOG_WARNING, "setpwent failed: %s", text);
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}
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}
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return;
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}
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/*
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* void pw_minimize(struct irs_pw *this)
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*
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*/
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static void
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pw_minimize(struct irs_pw *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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irs_irp_disconnect(pvt->girpdata);
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}
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/* Private. */
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/*
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* static void free_passwd(struct passwd *pw);
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*
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* Deallocate all the memory irp_unmarshall_pw allocated.
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*
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*/
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static void
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free_passwd(struct passwd *pw) {
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if (pw == NULL)
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return;
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if (pw->pw_name != NULL)
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free(pw->pw_name);
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if (pw->pw_passwd != NULL)
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free(pw->pw_passwd);
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if (pw->pw_class != NULL)
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free(pw->pw_class);
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if (pw->pw_gecos != NULL)
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free(pw->pw_gecos);
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if (pw->pw_dir != NULL)
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free(pw->pw_dir);
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if (pw->pw_shell != NULL)
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free(pw->pw_shell);
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}
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#endif /* WANT_IRS_PW */
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