1 files changed, 120 insertions, 0 deletions
diff --git a/smtpd/table_getpwnam.c b/smtpd/table_getpwnam.c
new file mode 100644
index 00000000..ccf889be
--- /dev/null
+++ b/smtpd/table_getpwnam.c
@@ -0,0 +1,120 @@
+/*	$OpenBSD: table_getpwnam.c,v 1.12 2018/12/27 14:23:41 eric Exp $	*/
+
+/*
+ * Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
+ *
+ * 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/tree.h>
+#include <sys/socket.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <event.h>
+#include <fcntl.h>
+#include <imsg.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+
+#include "smtpd.h"
+#include "log.h"
+
+
+/* getpwnam(3) backend */
+static int table_getpwnam_config(struct table *);
+static int table_getpwnam_update(struct table *);
+static int table_getpwnam_open(struct table *);
+static int table_getpwnam_lookup(struct table *, enum table_service, const char *,
+    char **);
+static void table_getpwnam_close(struct table *);
+
+struct table_backend table_backend_getpwnam = {
+	"getpwnam",
+	K_USERINFO,
+	table_getpwnam_config,
+	NULL,
+	NULL,
+	table_getpwnam_open,
+	table_getpwnam_update,
+	table_getpwnam_close,
+	table_getpwnam_lookup,
+};
+
+
+static int
+table_getpwnam_config(struct table *table)
+{
+	if (table->t_config[0])
+		return 0;
+	return 1;
+}
+
+static int
+table_getpwnam_update(struct table *table)
+{
+	return 1;
+}
+
+static int
+table_getpwnam_open(struct table *table)
+{
+	return 1;
+}
+
+static void
+table_getpwnam_close(struct table *table)
+{
+	return;
+}
+
+static int
+table_getpwnam_lookup(struct table *table, enum table_service kind, const char *key,
+    char **dst)
+{
+	struct passwd	       *pw;
+
+	if (kind != K_USERINFO)
+		return -1;
+
+	errno = 0;
+	do {
+		pw = getpwnam(key);
+	} while (pw == NULL && errno == EINTR);
+
+	if (pw == NULL) {
+		if (errno)
+			return -1;
+		return 0;
+	}
+	if (dst == NULL)
+		return 1;
+
+	if (asprintf(dst, "%d:%d:%s",
+	    pw->pw_uid,
+	    pw->pw_gid,
+	    pw->pw_dir) == -1) {
+		*dst = NULL;
+		return -1;
+	}
+
+	return (1);
+}