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7e2e4f8401
There were plenty of leftovers from old code that were never removed and that are not needed at all since these files do not use any definition depending on fcntl.h, let's drop them.
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*
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* Configuration parsing for UNIX sockets (bind and server keywords)
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*
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* Copyright 2000-2020 Willy Tarreau <w@1wt.eu>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <netinet/tcp.h>
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#include <netinet/in.h>
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#include <haproxy/api.h>
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#include <haproxy/arg.h>
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#include <haproxy/errors.h>
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#include <haproxy/list.h>
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#include <haproxy/listener.h>
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#include <haproxy/namespace.h>
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#include <haproxy/proxy-t.h>
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#include <haproxy/server.h>
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#include <haproxy/tools.h>
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/* parse the "mode" bind keyword */
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static int bind_parse_mode(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
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{
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char *endptr;
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conf->settings.ux.mode = strtol(args[cur_arg + 1], &endptr, 8);
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if (!*args[cur_arg + 1] || *endptr) {
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memprintf(err, "'%s' : missing or invalid mode '%s' (octal integer expected)", args[cur_arg], args[cur_arg + 1]);
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return ERR_ALERT | ERR_FATAL;
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}
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return 0;
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}
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/* parse the "gid" bind keyword */
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static int bind_parse_gid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
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{
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if (!*args[cur_arg + 1]) {
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memprintf(err, "'%s' : missing value", args[cur_arg]);
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return ERR_ALERT | ERR_FATAL;
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}
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conf->settings.ux.gid = atol(args[cur_arg + 1]);
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return 0;
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}
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/* parse the "group" bind keyword */
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static int bind_parse_group(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
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{
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struct group *group;
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if (!*args[cur_arg + 1]) {
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memprintf(err, "'%s' : missing group name", args[cur_arg]);
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return ERR_ALERT | ERR_FATAL;
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}
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group = getgrnam(args[cur_arg + 1]);
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if (!group) {
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memprintf(err, "'%s' : unknown group name '%s'", args[cur_arg], args[cur_arg + 1]);
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return ERR_ALERT | ERR_FATAL;
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}
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conf->settings.ux.gid = group->gr_gid;
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return 0;
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}
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/* parse the "uid" bind keyword */
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static int bind_parse_uid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
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{
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if (!*args[cur_arg + 1]) {
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memprintf(err, "'%s' : missing value", args[cur_arg]);
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return ERR_ALERT | ERR_FATAL;
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}
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conf->settings.ux.uid = atol(args[cur_arg + 1]);
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return 0;
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}
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/* parse the "user" bind keyword */
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static int bind_parse_user(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
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{
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struct passwd *user;
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if (!*args[cur_arg + 1]) {
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memprintf(err, "'%s' : missing user name", args[cur_arg]);
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return ERR_ALERT | ERR_FATAL;
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}
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user = getpwnam(args[cur_arg + 1]);
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if (!user) {
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memprintf(err, "'%s' : unknown user name '%s'", args[cur_arg], args[cur_arg + 1]);
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return ERR_ALERT | ERR_FATAL;
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}
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conf->settings.ux.uid = user->pw_uid;
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return 0;
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}
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/* Note: must not be declared <const> as its list will be overwritten.
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* Please take care of keeping this list alphabetically sorted, doing so helps
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* all code contributors.
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* Optional keywords are also declared with a NULL ->parse() function so that
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* the config parser can report an appropriate error when a known keyword was
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* not enabled.
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*/
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static struct bind_kw_list bind_kws = { "UNIX", { }, {
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{ "gid", bind_parse_gid, 1 }, /* set the socket's gid */
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{ "group", bind_parse_group, 1 }, /* set the socket's gid from the group name */
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{ "mode", bind_parse_mode, 1 }, /* set the socket's mode (eg: 0644)*/
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{ "uid", bind_parse_uid, 1 }, /* set the socket's uid */
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{ "user", bind_parse_user, 1 }, /* set the socket's uid from the user name */
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{ NULL, NULL, 0 },
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}};
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INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws);
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