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-rw-r--r--lib/bind/irs/irp_pw.c340
1 files changed, 340 insertions, 0 deletions
diff --git a/lib/bind/irs/irp_pw.c b/lib/bind/irs/irp_pw.c
new file mode 100644
index 0000000..a326375
--- /dev/null
+++ b/lib/bind/irs/irp_pw.c
@@ -0,0 +1,340 @@
+/*
+ * 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 1.3.18.1 2005/04/27 05:01:01 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 */
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