From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 13 Jun 2017 22:39:35 +0000 (+0200)
Subject: network: add data arg to set callback
X-Git-Tag: lxc-2.1.0~96^2~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c7e27aaf3b7995bf4f0dc9a11a6b2476e41ff4d6;p=thirdparty%2Flxc.git

network: add data arg to set callback

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 1f18ec48b..43bca6e73 100644
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -64,198 +64,269 @@
 
 lxc_log_define(lxc_confile, lxc);
 
-static int set_config_personality(const char *, const char *, struct lxc_conf *);
+static int set_config_personality(const char *, const char *, struct lxc_conf *,
+				  void *);
 static int get_config_personality(const char *, char *, int, struct lxc_conf *);
 static int clr_config_personality(const char *, struct lxc_conf *);
 
-static int set_config_pts(const char *, const char *, struct lxc_conf *);
+static int set_config_pts(const char *, const char *, struct lxc_conf *,
+			  void *);
 static int get_config_pts(const char *, char *, int, struct lxc_conf *);
 static int clr_config_pts(const char *, struct lxc_conf *);
 
-static int set_config_tty(const char *, const char *, struct lxc_conf *);
+static int set_config_tty(const char *, const char *, struct lxc_conf *,
+			  void *);
 static int get_config_tty(const char *, char *, int, struct lxc_conf *);
 static int clr_config_tty(const char *, struct lxc_conf *);
 
-static int set_config_ttydir(const char *, const char *, struct lxc_conf *);
+static int set_config_ttydir(const char *, const char *, struct lxc_conf *,
+			     void *);
 static int get_config_ttydir(const char *, char *, int, struct lxc_conf *);
 static int clr_config_ttydir(const char *, struct lxc_conf *);
 
-static int set_config_kmsg(const char *, const char *, struct lxc_conf *);
+static int set_config_kmsg(const char *, const char *, struct lxc_conf *,
+			   void *);
 static int get_config_kmsg(const char *, char *, int, struct lxc_conf *);
 static int clr_config_kmsg(const char *, struct lxc_conf *);
 
-static int set_config_lsm_aa_profile(const char *, const char *, struct lxc_conf *);
-static int get_config_lsm_aa_profile(const char *, char *, int, struct lxc_conf *);
+static int set_config_lsm_aa_profile(const char *, const char *,
+				     struct lxc_conf *, void *);
+static int get_config_lsm_aa_profile(const char *, char *, int,
+				     struct lxc_conf *);
 static int clr_config_lsm_aa_profile(const char *, struct lxc_conf *);
 
-static int set_config_lsm_aa_incomplete(const char *, const char *, struct lxc_conf *);
-static int get_config_lsm_aa_incomplete(const char *, char *, int, struct lxc_conf *);
+static int set_config_lsm_aa_incomplete(const char *, const char *,
+					struct lxc_conf *, void *);
+static int get_config_lsm_aa_incomplete(const char *, char *, int,
+					struct lxc_conf *);
 static int clr_config_lsm_aa_incomplete(const char *, struct lxc_conf *);
 
-static int set_config_lsm_se_context(const char *, const char *, struct lxc_conf *);
-static int get_config_lsm_se_context(const char *, char *, int, struct lxc_conf *);
+static int set_config_lsm_se_context(const char *, const char *,
+				     struct lxc_conf *, void *);
+static int get_config_lsm_se_context(const char *, char *, int,
+				     struct lxc_conf *);
 static int clr_config_lsm_se_context(const char *, struct lxc_conf *);
 
-static int set_config_cgroup(const char *, const char *, struct lxc_conf *);
+static int set_config_cgroup(const char *, const char *, struct lxc_conf *,
+			     void *);
 static int get_config_cgroup(const char *, char *, int, struct lxc_conf *);
 static int clr_config_cgroup(const char *, struct lxc_conf *);
 
-static int set_config_idmaps(const char *, const char *, struct lxc_conf *);
+static int set_config_idmaps(const char *, const char *, struct lxc_conf *,
+			     void *);
 static int get_config_idmaps(const char *, char *, int, struct lxc_conf *);
 static int clr_config_idmaps(const char *, struct lxc_conf *);
 
-static int set_config_loglevel(const char *, const char *, struct lxc_conf *);
+static int set_config_loglevel(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_loglevel(const char *, char *, int, struct lxc_conf *);
 static int clr_config_loglevel(const char *, struct lxc_conf *);
 
-static int set_config_logfile(const char *, const char *, struct lxc_conf *);
+static int set_config_logfile(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_logfile(const char *, char *, int, struct lxc_conf *);
 static int clr_config_logfile(const char *, struct lxc_conf *);
 
-static int set_config_mount(const char *, const char *, struct lxc_conf *);
+static int set_config_mount(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_mount(const char *, char *, int, struct lxc_conf *);
 static int clr_config_mount(const char *, struct lxc_conf *);
 
-static int set_config_mount_auto(const char *, const char *, struct lxc_conf *);
+static int set_config_mount_auto(const char *, const char *, struct lxc_conf *,
+				 void *);
 static int get_config_mount_auto(const char *, char *, int, struct lxc_conf *);
 static int clr_config_mount_auto(const char *, struct lxc_conf *);
 
-static int set_config_fstab(const char *, const char *, struct lxc_conf *);
+static int set_config_fstab(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_fstab(const char *, char *, int, struct lxc_conf *);
 static int clr_config_fstab(const char *, struct lxc_conf *);
 
-static int set_config_rootfs_mount(const char *, const char *, struct lxc_conf *);
-static int get_config_rootfs_mount(const char *, char *, int, struct lxc_conf *);
+static int set_config_rootfs_mount(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int get_config_rootfs_mount(const char *, char *, int,
+				   struct lxc_conf *);
 static int clr_config_rootfs_mount(const char *, struct lxc_conf *);
 
-static int set_config_rootfs_options(const char *, const char *, struct lxc_conf *);
-static int get_config_rootfs_options(const char *, char *, int, struct lxc_conf *);
+static int set_config_rootfs_options(const char *, const char *,
+				     struct lxc_conf *, void *);
+static int get_config_rootfs_options(const char *, char *, int,
+				     struct lxc_conf *);
 static int clr_config_rootfs_options(const char *, struct lxc_conf *);
 
-static int set_config_rootfs_backend(const char *, const char *, struct lxc_conf *);
-static int get_config_rootfs_backend(const char *, char *, int, struct lxc_conf *);
+static int set_config_rootfs_backend(const char *, const char *,
+				     struct lxc_conf *, void *);
+static int get_config_rootfs_backend(const char *, char *, int,
+				     struct lxc_conf *);
 static int clr_config_rootfs_backend(const char *, struct lxc_conf *);
 
-static int set_config_rootfs(const char *, const char *, struct lxc_conf *);
+static int set_config_rootfs(const char *, const char *, struct lxc_conf *,
+			     void *);
 static int get_config_rootfs(const char *, char *, int, struct lxc_conf *);
 static int clr_config_rootfs(const char *, struct lxc_conf *);
 
-static int set_config_pivotdir(const char *, const char *, struct lxc_conf *);
+static int set_config_pivotdir(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_pivotdir(const char *, char *, int, struct lxc_conf *);
 static int clr_config_pivotdir(const char *, struct lxc_conf *);
 
-static int set_config_utsname(const char *, const char *, struct lxc_conf *);
+static int set_config_utsname(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_utsname(const char *, char *, int, struct lxc_conf *);
 static int clr_config_utsname(const char *, struct lxc_conf *);
 
-static int set_config_hooks(const char *, const char *, struct lxc_conf *lxc_conf);
+static int set_config_hooks(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_hooks(const char *, char *, int, struct lxc_conf *);
 static int clr_config_hooks(const char *, struct lxc_conf *);
 
-static int set_config_network_type(const char *, const char *, struct lxc_conf *);
-static int set_config_network_flags(const char *, const char *, struct lxc_conf *);
-static int set_config_network_link(const char *, const char *, struct lxc_conf *);
-static int set_config_network_name(const char *, const char *, struct lxc_conf *);
-static int set_config_network_veth_pair(const char *, const char *, struct lxc_conf *);
-static int set_config_network_macvlan_mode(const char *, const char *, struct lxc_conf *);
-static int set_config_network_hwaddr(const char *, const char *, struct lxc_conf *);
-static int set_config_network_vlan_id(const char *, const char *, struct lxc_conf *);
-static int set_config_network_mtu(const char *, const char *, struct lxc_conf *);
-static int set_config_network_ipv4(const char *, const char *, struct lxc_conf *);
-static int set_config_network_ipv4_gateway(const char *, const char *, struct lxc_conf *);
-static int set_config_network_script_up(const char *, const char *, struct lxc_conf *);
-static int set_config_network_script_down(const char *, const char *, struct lxc_conf *);
-static int set_config_network_ipv6(const char *, const char *, struct lxc_conf *);
-static int set_config_network_ipv6_gateway(const char *, const char *, struct lxc_conf *);
-static int set_config_network_nic(const char *, const char *, struct lxc_conf *);
-static int get_config_network_item(const char *, char *, int, struct lxc_conf *);
+static int set_config_network_type(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int set_config_network_flags(const char *, const char *,
+				    struct lxc_conf *, void *);
+static int set_config_network_link(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int set_config_network_name(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int set_config_network_veth_pair(const char *, const char *,
+					struct lxc_conf *, void *);
+static int set_config_network_macvlan_mode(const char *, const char *,
+					   struct lxc_conf *, void *);
+static int set_config_network_hwaddr(const char *, const char *,
+				     struct lxc_conf *, void *);
+static int set_config_network_vlan_id(const char *, const char *,
+				      struct lxc_conf *, void *);
+static int set_config_network_mtu(const char *, const char *, struct lxc_conf *,
+				  void *);
+static int set_config_network_ipv4(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int set_config_network_ipv4_gateway(const char *, const char *,
+					   struct lxc_conf *, void *);
+static int set_config_network_script_up(const char *, const char *,
+					struct lxc_conf *, void *);
+static int set_config_network_script_down(const char *, const char *,
+					  struct lxc_conf *, void *);
+static int set_config_network_ipv6(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int set_config_network_ipv6_gateway(const char *, const char *,
+					   struct lxc_conf *, void *);
+static int set_config_network_nic(const char *, const char *, struct lxc_conf *,
+				  void *);
+static int get_config_network_item(const char *, char *, int,
+				   struct lxc_conf *);
 static int clr_config_network_item(const char *, struct lxc_conf *);
 
-static int set_config_network(const char *, const char *, struct lxc_conf *);
+static int set_config_network(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_network(const char *, char *, int, struct lxc_conf *);
 static int clr_config_network(const char *, struct lxc_conf *);
 
-static int set_config_cap_drop(const char *, const char *, struct lxc_conf *);
+static int set_config_cap_drop(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_cap_drop(const char *, char *, int, struct lxc_conf *);
 static int clr_config_cap_drop(const char *, struct lxc_conf *);
 
-static int set_config_cap_keep(const char *, const char *, struct lxc_conf *);
+static int set_config_cap_keep(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_cap_keep(const char *, char *, int, struct lxc_conf *);
 static int clr_config_cap_keep(const char *, struct lxc_conf *);
 
-static int set_config_console_logfile(const char *, const char *, struct lxc_conf *);
-static int get_config_console_logfile(const char *, char *, int, struct lxc_conf *);
+static int set_config_console_logfile(const char *, const char *,
+				      struct lxc_conf *, void *);
+static int get_config_console_logfile(const char *, char *, int,
+				      struct lxc_conf *);
 static int clr_config_console_logfile(const char *, struct lxc_conf *);
 
-static int set_config_console(const char *, const char *, struct lxc_conf *);
+static int set_config_console(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_console(const char *, char *, int, struct lxc_conf *);
 static int clr_config_console(const char *, struct lxc_conf *);
 
-static int set_config_seccomp(const char *, const char *, struct lxc_conf *);
+static int set_config_seccomp(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_seccomp(const char *, char *, int, struct lxc_conf *);
 static int clr_config_seccomp(const char *, struct lxc_conf *);
 
-static int set_config_includefiles(const char *, const char *, struct lxc_conf *);
-static int get_config_includefiles(const char *, char *, int, struct lxc_conf *);
+static int set_config_includefiles(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int get_config_includefiles(const char *, char *, int,
+				   struct lxc_conf *);
 static int clr_config_includefiles(const char *, struct lxc_conf *);
 
-static int set_config_autodev(const char *, const char *, struct lxc_conf *);
+static int set_config_autodev(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_autodev(const char *, char *, int, struct lxc_conf *);
 static int clr_config_autodev(const char *, struct lxc_conf *);
 
-static int set_config_haltsignal(const char *, const char *, struct lxc_conf *);
+static int set_config_haltsignal(const char *, const char *, struct lxc_conf *,
+				 void *);
 static int get_config_haltsignal(const char *, char *, int, struct lxc_conf *);
 static int clr_config_haltsignal(const char *, struct lxc_conf *);
 
-static int set_config_rebootsignal(const char *, const char *, struct lxc_conf *);
-static int get_config_rebootsignal(const char *, char *, int, struct lxc_conf *);
+static int set_config_rebootsignal(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int get_config_rebootsignal(const char *, char *, int,
+				   struct lxc_conf *);
 static int clr_config_rebootsignal(const char *, struct lxc_conf *);
 
-static int set_config_stopsignal(const char *, const char *, struct lxc_conf *);
+static int set_config_stopsignal(const char *, const char *, struct lxc_conf *,
+				 void *);
 static int get_config_stopsignal(const char *, char *, int, struct lxc_conf *);
 static int clr_config_stopsignal(const char *, struct lxc_conf *);
 
-static int set_config_start(const char *, const char *, struct lxc_conf *);
+static int set_config_start(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_start(const char *, char *, int, struct lxc_conf *);
 static int clr_config_start(const char *, struct lxc_conf *);
 
-static int set_config_monitor(const char *, const char *, struct lxc_conf *);
+static int set_config_monitor(const char *, const char *, struct lxc_conf *,
+			      void *);
 static int get_config_monitor(const char *, char *, int, struct lxc_conf *);
 static int clr_config_monitor(const char *, struct lxc_conf *);
 
-static int set_config_group(const char *, const char *, struct lxc_conf *);
+static int set_config_group(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_group(const char *, char *, int, struct lxc_conf *);
 static int clr_config_group(const char *, struct lxc_conf *);
 
-static int set_config_environment(const char *, const char *, struct lxc_conf *);
+static int set_config_environment(const char *, const char *, struct lxc_conf *,
+				  void *);
 static int get_config_environment(const char *, char *, int, struct lxc_conf *);
 static int clr_config_environment(const char *, struct lxc_conf *);
 
-static int set_config_init_cmd(const char *, const char *, struct lxc_conf *);
+static int set_config_init_cmd(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_init_cmd(const char *, char *, int, struct lxc_conf *);
 static int clr_config_init_cmd(const char *, struct lxc_conf *);
 
-static int set_config_init_uid(const char *, const char *, struct lxc_conf *);
+static int set_config_init_uid(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_init_uid(const char *, char *, int, struct lxc_conf *);
 static int clr_config_init_uid(const char *, struct lxc_conf *);
 
-static int set_config_init_gid(const char *, const char *, struct lxc_conf *);
+static int set_config_init_gid(const char *, const char *, struct lxc_conf *,
+			       void *);
 static int get_config_init_gid(const char *, char *, int, struct lxc_conf *);
 static int clr_config_init_gid(const char *, struct lxc_conf *);
 
-static int set_config_ephemeral(const char *, const char *, struct lxc_conf *);
+static int set_config_ephemeral(const char *, const char *, struct lxc_conf *,
+				void *);
 static int get_config_ephemeral(const char *, char *, int, struct lxc_conf *);
 static int clr_config_ephemeral(const char *, struct lxc_conf *);
 
-static int set_config_syslog(const char *, const char *, struct lxc_conf *);
+static int set_config_syslog(const char *, const char *, struct lxc_conf *,
+			     void *);
 static int get_config_syslog(const char *, char *, int, struct lxc_conf *);
 static int clr_config_syslog(const char *, struct lxc_conf *);
 
-static int set_config_no_new_privs(const char *, const char *, struct lxc_conf *);
-static int get_config_no_new_privs(const char *, char *, int, struct lxc_conf *);
+static int set_config_no_new_privs(const char *, const char *,
+				   struct lxc_conf *, void *);
+static int get_config_no_new_privs(const char *, char *, int,
+				   struct lxc_conf *);
 static int clr_config_no_new_privs(const char *, struct lxc_conf *);
 
-static int set_config_limit(const char *, const char *, struct lxc_conf *);
+static int set_config_limit(const char *, const char *, struct lxc_conf *,
+			    void *);
 static int get_config_limit(const char *, char *, int, struct lxc_conf *);
 static int clr_config_limit(const char *, struct lxc_conf *);
 
@@ -510,7 +581,7 @@ static int set_config_path_item(char **conf_item, const char *value)
  * (by rewriting the key), and call it.
  */
 static int set_config_network_nic(const char *key, const char *value,
-				  struct lxc_conf *lxc_conf)
+				  struct lxc_conf *lxc_conf, void *data)
 {
 	char *copy = strdup(key), *p;
 	int ret = -1;
@@ -539,7 +610,7 @@ static int set_config_network_nic(const char *key, const char *value,
 		ERROR("unknown key %s", key);
 		goto out;
 	}
-	ret = config->set(key, value, lxc_conf);
+	ret = config->set(key, value, lxc_conf, data);
 
 out:
 	free(copy);
@@ -547,7 +618,7 @@ out:
 }
 
 static int set_config_network(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	if (!lxc_config_value_empty(value)) {
 		ERROR("lxc.network must not have a value");
@@ -560,7 +631,7 @@ static int set_config_network(const char *key, const char *value,
 static int macvlan_mode(int *valuep, const char *value);
 
 static int set_config_network_type(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_list *network = &lxc_conf->network;
 	struct lxc_netdev *netdev;
@@ -819,7 +890,7 @@ static int rand_complete_hwaddr(char *hwaddr)
 }
 
 static int set_config_network_flags(const char *key, const char *value,
-				    struct lxc_conf *lxc_conf)
+				    struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -833,7 +904,7 @@ static int set_config_network_flags(const char *key, const char *value,
 }
 
 static int set_network_link(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -866,10 +937,10 @@ static int create_matched_ifnames(const char *value, struct lxc_conf *lxc_conf)
 
 		if (!strncmp(value, ifa->ifa_name, strlen(value) - 1)) {
 			ret = set_config_network_type(type_key, tmpvalue,
-						      lxc_conf);
+						      lxc_conf, NULL);
 			if (!ret) {
 				ret = set_network_link(link_key, ifa->ifa_name,
-						       lxc_conf);
+						       lxc_conf, NULL);
 				if (ret) {
 					ERROR("failed to create matched ifnames");
 					break;
@@ -888,7 +959,7 @@ static int create_matched_ifnames(const char *value, struct lxc_conf *lxc_conf)
 }
 
 static int set_config_network_link(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 	struct lxc_list *it;
@@ -918,7 +989,7 @@ static int set_config_network_link(const char *key, const char *value,
 }
 
 static int set_config_network_name(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -930,7 +1001,7 @@ static int set_config_network_name(const char *key, const char *value,
 }
 
 static int set_config_network_veth_pair(const char *key, const char *value,
-					struct lxc_conf *lxc_conf)
+					struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -947,7 +1018,8 @@ static int set_config_network_veth_pair(const char *key, const char *value,
 }
 
 static int set_config_network_macvlan_mode(const char *key, const char *value,
-					   struct lxc_conf *lxc_conf)
+					   struct lxc_conf *lxc_conf,
+					   void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -964,7 +1036,7 @@ static int set_config_network_macvlan_mode(const char *key, const char *value,
 }
 
 static int set_config_network_hwaddr(const char *key, const char *value,
-				     struct lxc_conf *lxc_conf)
+				     struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 	char *new_value;
@@ -993,7 +1065,7 @@ static int set_config_network_hwaddr(const char *key, const char *value,
 }
 
 static int set_config_network_vlan_id(const char *key, const char *value,
-				      struct lxc_conf *lxc_conf)
+				      struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1013,7 +1085,7 @@ static int set_config_network_vlan_id(const char *key, const char *value,
 }
 
 static int set_config_network_mtu(const char *key, const char *value,
-				  struct lxc_conf *lxc_conf)
+				  struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1025,7 +1097,7 @@ static int set_config_network_mtu(const char *key, const char *value,
 }
 
 static int set_config_network_ipv4(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 	struct lxc_inetdev *inetdev;
@@ -1117,7 +1189,8 @@ static int set_config_network_ipv4(const char *key, const char *value,
 }
 
 static int set_config_network_ipv4_gateway(const char *key, const char *value,
-					   struct lxc_conf *lxc_conf)
+					   struct lxc_conf *lxc_conf,
+					   void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1155,7 +1228,7 @@ static int set_config_network_ipv4_gateway(const char *key, const char *value,
 }
 
 static int set_config_network_ipv6(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 	struct lxc_inet6dev *inet6dev;
@@ -1218,7 +1291,8 @@ static int set_config_network_ipv6(const char *key, const char *value,
 }
 
 static int set_config_network_ipv6_gateway(const char *key, const char *value,
-					   struct lxc_conf *lxc_conf)
+					   struct lxc_conf *lxc_conf,
+					   void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1256,7 +1330,7 @@ static int set_config_network_ipv6_gateway(const char *key, const char *value,
 }
 
 static int set_config_network_script_up(const char *key, const char *value,
-					struct lxc_conf *lxc_conf)
+					struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1268,7 +1342,7 @@ static int set_config_network_script_up(const char *key, const char *value,
 }
 
 static int set_config_network_script_down(const char *key, const char *value,
-					  struct lxc_conf *lxc_conf)
+					  struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_netdev *netdev;
 
@@ -1295,19 +1369,19 @@ static int add_hook(struct lxc_conf *lxc_conf, int which, char *hook)
 }
 
 static int set_config_seccomp(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->seccomp, value);
 }
 
 static int set_config_init_cmd(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->init_cmd, value);
 }
 
 static int set_config_init_uid(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	unsigned int init_uid;
 
@@ -1326,7 +1400,7 @@ static int set_config_init_uid(const char *key, const char *value,
 }
 
 static int set_config_init_gid(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	unsigned int init_gid;
 
@@ -1345,7 +1419,7 @@ static int set_config_init_gid(const char *key, const char *value,
 }
 
 static int set_config_hooks(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	char *copy;
 
@@ -1387,7 +1461,7 @@ static int set_config_hooks(const char *key, const char *value,
 }
 
 static int set_config_personality(const char *key, const char *value,
-				  struct lxc_conf *lxc_conf)
+				  struct lxc_conf *lxc_conf, void *data)
 {
 	signed long personality = lxc_config_parse_arch(value);
 
@@ -1400,7 +1474,7 @@ static int set_config_personality(const char *key, const char *value,
 }
 
 static int set_config_pts(const char *key, const char *value,
-			  struct lxc_conf *lxc_conf)
+			  struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1421,7 +1495,7 @@ static int set_config_pts(const char *key, const char *value,
  * noticed when the callback was called.
  */
 static int set_config_start(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	bool is_empty;
 
@@ -1467,7 +1541,7 @@ static int set_config_start(const char *key, const char *value,
 }
 
 static int set_config_monitor(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1484,7 +1558,7 @@ static int set_config_monitor(const char *key, const char *value,
 }
 
 static int set_config_group(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	char *groups, *groupptr, *sptr, *token;
 	struct lxc_list *grouplist;
@@ -1530,7 +1604,7 @@ static int set_config_group(const char *key, const char *value,
 }
 
 static int set_config_environment(const char *key, const char *value,
-				  struct lxc_conf *lxc_conf)
+				  struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_list *list_item = NULL;
 
@@ -1556,7 +1630,7 @@ on_error:
 }
 
 static int set_config_tty(const char *key, const char *value,
-			  struct lxc_conf *lxc_conf)
+			  struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1569,14 +1643,14 @@ static int set_config_tty(const char *key, const char *value,
 }
 
 static int set_config_ttydir(const char *key, const char *value,
-			     struct lxc_conf *lxc_conf)
+			     struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_string_item_max(&lxc_conf->ttydir, value,
 					  NAME_MAX + 1);
 }
 
 static int set_config_kmsg(const char *key, const char *value,
-			   struct lxc_conf *lxc_conf)
+			   struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1595,13 +1669,13 @@ static int set_config_kmsg(const char *key, const char *value,
 }
 
 static int set_config_lsm_aa_profile(const char *key, const char *value,
-				     struct lxc_conf *lxc_conf)
+				     struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_string_item(&lxc_conf->lsm_aa_profile, value);
 }
 
 static int set_config_lsm_aa_incomplete(const char *key, const char *value,
-					struct lxc_conf *lxc_conf)
+					struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1623,13 +1697,13 @@ static int set_config_lsm_aa_incomplete(const char *key, const char *value,
 }
 
 static int set_config_lsm_se_context(const char *key, const char *value,
-				     struct lxc_conf *lxc_conf)
+				     struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_string_item(&lxc_conf->lsm_se_context, value);
 }
 
 static int set_config_logfile(const char *key, const char *value,
-			      struct lxc_conf *c)
+			      struct lxc_conf *c, void *data)
 {
 	int ret;
 
@@ -1649,7 +1723,7 @@ static int set_config_logfile(const char *key, const char *value,
 }
 
 static int set_config_loglevel(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	int newlevel;
 
@@ -1675,7 +1749,7 @@ static int set_config_loglevel(const char *key, const char *value,
 }
 
 static int set_config_autodev(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -1745,7 +1819,7 @@ static int sig_parse(const char *signame)
 }
 
 static int set_config_haltsignal(const char *key, const char *value,
-				 struct lxc_conf *lxc_conf)
+				 struct lxc_conf *lxc_conf, void *data)
 {
 	int sig_n;
 
@@ -1766,7 +1840,7 @@ static int set_config_haltsignal(const char *key, const char *value,
 }
 
 static int set_config_rebootsignal(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	int sig_n;
 
@@ -1786,7 +1860,7 @@ static int set_config_rebootsignal(const char *key, const char *value,
 }
 
 static int set_config_stopsignal(const char *key, const char *value,
-				 struct lxc_conf *lxc_conf)
+				 struct lxc_conf *lxc_conf, void *data)
 {
 	int sig_n;
 
@@ -1806,7 +1880,7 @@ static int set_config_stopsignal(const char *key, const char *value,
 }
 
 static int set_config_cgroup(const char *key, const char *value,
-			     struct lxc_conf *lxc_conf)
+			     struct lxc_conf *lxc_conf, void *data)
 {
 	char *subkey;
 	char *token = "lxc.cgroup.";
@@ -1883,7 +1957,7 @@ static bool parse_limit_value(const char **value, unsigned long *res)
 }
 
 static int set_config_limit(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	struct lxc_list *iter;
 	struct rlimit limit;
@@ -1974,7 +2048,7 @@ out:
 }
 
 static int set_config_idmaps(const char *key, const char *value,
-			     struct lxc_conf *lxc_conf)
+			     struct lxc_conf *lxc_conf, void *data)
 {
 	unsigned long hostid, nsid, range;
 	char type;
@@ -2023,7 +2097,7 @@ on_error:
 }
 
 static int set_config_fstab(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	if (lxc_config_value_empty(value)) {
 		clr_config_fstab(key, lxc_conf);
@@ -2034,7 +2108,7 @@ static int set_config_fstab(const char *key, const char *value,
 }
 
 static int set_config_mount_auto(const char *key, const char *value,
-				 struct lxc_conf *lxc_conf)
+				 struct lxc_conf *lxc_conf, void *data)
 {
 	char *autos, *autoptr, *sptr, *token;
 	int i;
@@ -2103,7 +2177,7 @@ static int set_config_mount_auto(const char *key, const char *value,
 }
 
 static int set_config_mount(const char *key, const char *value,
-			    struct lxc_conf *lxc_conf)
+			    struct lxc_conf *lxc_conf, void *data)
 {
 	char *mntelem;
 	struct lxc_list *mntlist;
@@ -2128,7 +2202,7 @@ static int set_config_mount(const char *key, const char *value,
 }
 
 static int set_config_cap_keep(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	char *keepcaps, *keepptr, *sptr, *token;
 	struct lxc_list *keeplist;
@@ -2178,7 +2252,7 @@ static int set_config_cap_keep(const char *key, const char *value,
 }
 
 static int set_config_cap_drop(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	char *dropcaps, *dropptr, *sptr, *token;
 	struct lxc_list *droplist;
@@ -2225,13 +2299,13 @@ static int set_config_cap_drop(const char *key, const char *value,
 }
 
 static int set_config_console(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->console.path, value);
 }
 
 static int set_config_console_logfile(const char *key, const char *value,
-				      struct lxc_conf *lxc_conf)
+				      struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->console.log_path, value);
 }
@@ -2346,7 +2420,7 @@ out:
 }
 
 static int set_config_includefiles(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -2362,25 +2436,25 @@ static int set_config_includefiles(const char *key, const char *value,
 }
 
 static int set_config_rootfs(const char *key, const char *value,
-			     struct lxc_conf *lxc_conf)
+			     struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->rootfs.path, value);
 }
 
 static int set_config_rootfs_mount(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_path_item(&lxc_conf->rootfs.mount, value);
 }
 
 static int set_config_rootfs_options(const char *key, const char *value,
-				     struct lxc_conf *lxc_conf)
+				     struct lxc_conf *lxc_conf, void *data)
 {
 	return set_config_string_item(&lxc_conf->rootfs.options, value);
 }
 
 static int set_config_rootfs_backend(const char *key, const char *value,
-				     struct lxc_conf *lxc_conf)
+				     struct lxc_conf *lxc_conf, void *data)
 {
 	if (lxc_config_value_empty(value)) {
 		free(lxc_conf->rootfs.bdev_type);
@@ -2397,14 +2471,14 @@ static int set_config_rootfs_backend(const char *key, const char *value,
 }
 
 static int set_config_pivotdir(const char *key, const char *value,
-			       struct lxc_conf *lxc_conf)
+			       struct lxc_conf *lxc_conf, void *data)
 {
 	WARN("lxc.pivotdir is ignored.  It will soon become an error.");
 	return 0;
 }
 
 static int set_config_utsname(const char *key, const char *value,
-			      struct lxc_conf *lxc_conf)
+			      struct lxc_conf *lxc_conf, void *data)
 {
 	struct utsname *utsname;
 
@@ -2502,7 +2576,7 @@ static int parse_line(char *buffer, void *data)
 		goto out;
 	}
 
-	ret = config->set(key, value, plc->conf);
+	ret = config->set(key, value, plc->conf, data);
 
 out:
 	free(linep);
@@ -3045,7 +3119,7 @@ bool network_new_hwaddrs(struct lxc_conf *conf)
 }
 
 static int set_config_ephemeral(const char *key, const char *value,
-				struct lxc_conf *lxc_conf)
+				struct lxc_conf *lxc_conf, void *data)
 {
 	/* Set config value to default. */
 	if (lxc_config_value_empty(value)) {
@@ -3067,7 +3141,7 @@ static int set_config_ephemeral(const char *key, const char *value,
 }
 
 static int set_config_syslog(const char *key, const char *value,
-			     struct lxc_conf *lxc_conf)
+			     struct lxc_conf *lxc_conf, void *data)
 {
 	int facility;
 
@@ -3093,7 +3167,7 @@ static int set_config_syslog(const char *key, const char *value,
 }
 
 static int set_config_no_new_privs(const char *key, const char *value,
-				   struct lxc_conf *lxc_conf)
+				   struct lxc_conf *lxc_conf, void *data)
 {
 	unsigned int v;
 
diff --git a/src/lxc/confile.h b/src/lxc/confile.h
index 9ee32682c..7714fd60d 100644
--- a/src/lxc/confile.h
+++ b/src/lxc/confile.h
@@ -31,7 +31,8 @@
 struct lxc_conf;
 struct lxc_list;
 
-typedef int (*config_set_cb)(const char *, const char *, struct lxc_conf *);
+typedef int (*config_set_cb)(const char *, const char *, struct lxc_conf *,
+			     void *data);
 typedef int (*config_get_cb)(const char *, char *, int, struct lxc_conf *);
 typedef int (*config_clr_cb)(const char *key, struct lxc_conf *c);
 struct lxc_config_t {
diff --git a/src/lxc/lxccontainer.c b/src/lxc/lxccontainer.c
index e74a0266a..3387dbbf3 100644
--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -2511,7 +2511,7 @@ static bool set_config_item_locked(struct lxc_container *c, const char *key, con
 	config = lxc_getconfig(key);
 	if (!config)
 		return false;
-	if (config->set(key, v, c->lxc_conf) != 0)
+	if (config->set(key, v, c->lxc_conf, NULL) != 0)
 		return false;
 	return do_append_unexp_config_line(c->lxc_conf, key, v);
 }