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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:18:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:18:05 +0000
commitb46aad6df449445a9fc4aa7b32bd40005438e3f7 (patch)
tree751aa858ca01f35de800164516b298887382919d /src/cfgparse-unix.c
parentInitial commit. (diff)
downloadhaproxy-b46aad6df449445a9fc4aa7b32bd40005438e3f7.tar.xz
haproxy-b46aad6df449445a9fc4aa7b32bd40005438e3f7.zip
Adding upstream version 2.9.5.upstream/2.9.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/cfgparse-unix.c')
-rw-r--r--src/cfgparse-unix.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/cfgparse-unix.c b/src/cfgparse-unix.c
new file mode 100644
index 0000000..b1fb1e2
--- /dev/null
+++ b/src/cfgparse-unix.c
@@ -0,0 +1,135 @@
+/*
+ * Configuration parsing for UNIX sockets (bind and server keywords)
+ *
+ * Copyright 2000-2020 Willy Tarreau <w@1wt.eu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+
+#include <haproxy/api.h>
+#include <haproxy/arg.h>
+#include <haproxy/errors.h>
+#include <haproxy/list.h>
+#include <haproxy/listener.h>
+#include <haproxy/namespace.h>
+#include <haproxy/proxy-t.h>
+#include <haproxy/server.h>
+#include <haproxy/tools.h>
+
+/* parse the "mode" bind keyword */
+static int bind_parse_mode(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+ char *endptr;
+
+ conf->settings.ux.mode = strtol(args[cur_arg + 1], &endptr, 8);
+
+ if (!*args[cur_arg + 1] || *endptr) {
+ memprintf(err, "'%s' : missing or invalid mode '%s' (octal integer expected)", args[cur_arg], args[cur_arg + 1]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ return 0;
+}
+
+/* parse the "gid" bind keyword */
+static int bind_parse_gid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+ if (!*args[cur_arg + 1]) {
+ memprintf(err, "'%s' : missing value", args[cur_arg]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ conf->settings.ux.gid = atol(args[cur_arg + 1]);
+ return 0;
+}
+
+/* parse the "group" bind keyword */
+static int bind_parse_group(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+ struct group *group;
+
+ if (!*args[cur_arg + 1]) {
+ memprintf(err, "'%s' : missing group name", args[cur_arg]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ group = getgrnam(args[cur_arg + 1]);
+ if (!group) {
+ memprintf(err, "'%s' : unknown group name '%s'", args[cur_arg], args[cur_arg + 1]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ conf->settings.ux.gid = group->gr_gid;
+ return 0;
+}
+
+/* parse the "uid" bind keyword */
+static int bind_parse_uid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+ if (!*args[cur_arg + 1]) {
+ memprintf(err, "'%s' : missing value", args[cur_arg]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ conf->settings.ux.uid = atol(args[cur_arg + 1]);
+ return 0;
+}
+
+/* parse the "user" bind keyword */
+static int bind_parse_user(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+ struct passwd *user;
+
+ if (!*args[cur_arg + 1]) {
+ memprintf(err, "'%s' : missing user name", args[cur_arg]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ user = getpwnam(args[cur_arg + 1]);
+ if (!user) {
+ memprintf(err, "'%s' : unknown user name '%s'", args[cur_arg], args[cur_arg + 1]);
+ return ERR_ALERT | ERR_FATAL;
+ }
+
+ conf->settings.ux.uid = user->pw_uid;
+ return 0;
+}
+
+/* Note: must not be declared <const> as its list will be overwritten.
+ * Please take care of keeping this list alphabetically sorted, doing so helps
+ * all code contributors.
+ * Optional keywords are also declared with a NULL ->parse() function so that
+ * the config parser can report an appropriate error when a known keyword was
+ * not enabled.
+ */
+static struct bind_kw_list bind_kws = { "UNIX", { }, {
+ { "gid", bind_parse_gid, 1 }, /* set the socket's gid */
+ { "group", bind_parse_group, 1 }, /* set the socket's gid from the group name */
+ { "mode", bind_parse_mode, 1 }, /* set the socket's mode (eg: 0644)*/
+ { "uid", bind_parse_uid, 1 }, /* set the socket's uid */
+ { "user", bind_parse_user, 1 }, /* set the socket's uid from the user name */
+ { NULL, NULL, 0 },
+}};
+
+INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws);