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author | Gilles Chehade <gilles@poolp.org> | 2020-04-30 02:02:03 +0200 |
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committer | Gilles Chehade <gilles@poolp.org> | 2020-04-30 02:02:03 +0200 |
commit | 9db3604d31a8d7bd43a3c8184a7dc53fca7940a2 (patch) | |
tree | 498b190740f593d279d0b4ce6e4f6d5333748874 /table_getpwnam.c | |
parent | move (diff) | |
parent | In virtual alias context, do not try to match catchall entries for (diff) | |
download | OpenSMTPD-9db3604d31a8d7bd43a3c8184a7dc53fca7940a2.tar.xz OpenSMTPD-9db3604d31a8d7bd43a3c8184a7dc53fca7940a2.zip |
Merge remote-tracking branch 'portable/native'
Diffstat (limited to 'table_getpwnam.c')
-rw-r--r-- | table_getpwnam.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/table_getpwnam.c b/table_getpwnam.c new file mode 100644 index 00000000..78e6edc2 --- /dev/null +++ b/table_getpwnam.c @@ -0,0 +1,118 @@ +/* $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 <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); +} |