We already request WPAD information from the DHCP server (bug 368423) but we don't do anything useful with it at all.
The same information can also come from a VPN server, but we don't even
*collect* that.
This patch fixes the latter, and exposes the information in a coherent
fashion. There's no need at this point to overcomplicate matters by
pretending to support complicated manual proxy setups (as discussed in
TODO); this is just for what we can glean automatically, which is *only*
PAC files.
Tested with a local DHCP server that tells me where the proxy is, and
with a slightly modified nm-openconnect-service-openconnect-helper[sic].
This is based largely on the existing handling of NIS domainname.
I see that it's considered acceptable to (ab)use nm-dns-manager to
configure the NIS domain. I'll look at making it prod the PacRunner
dæmon with proxy information too, but this part stands alone.
diff --git a/include/NetworkManagerVPN.h b/include/NetworkManagerVPN.h
index 6e654b3..9b6e5f7 100644
--- a/include/NetworkManagerVPN.h
+++ b/include/NetworkManagerVPN.h
@@ -176,6 +176,9 @@ typedef enum {
/* boolean: prevent this VPN connection from ever getting the default route */
#define NM_VPN_PLUGIN_IP4_CONFIG_NEVER_DEFAULT "never-default"
+/* string: Location of PAC file for HTTP proxy */
+#define NM_VPN_PLUGIN_IP4_CONFIG_PROXY_PAC "proxy-pac"
+
/* Deprecated */
#define NM_VPN_PLUGIN_IP4_CONFIG_GATEWAY NM_VPN_PLUGIN_IP4_CONFIG_EXT_GATEWAY
diff --git a/src/dhcp-manager/nm-dhcp-client.c
b/src/dhcp-manager/nm-dhcp-client.c
index f4e94a6..ebe9a69 100644
--- a/src/dhcp-manager/nm-dhcp-client.c
+++ b/src/dhcp-manager/nm-dhcp-client.c
@@ -1292,6 +1292,12 @@ ip4_options_to_config (NMDHCPClient *self)
nm_ip4_config_set_nis_domain (ip4_config, str);
}
+ str = g_hash_table_lookup (priv->options, "new_wpad");
+ if (str) {
+ nm_log_info (LOGD_DHCP4, " Proxy PAC '%s'", str);
+ nm_ip4_config_set_proxy_pac (ip4_config, str);
+ }
+
str = g_hash_table_lookup (priv->options, "new_nis_servers");
if (str) {
char **searches = g_strsplit (str, " ", 0);
diff --git a/src/nm-ip4-config.c b/src/nm-ip4-config.c
index 0722981..8f86996 100644
--- a/src/nm-ip4-config.c
+++ b/src/nm-ip4-config.c
@@ -59,6 +59,8 @@ typedef struct {
GArray *nis;
char * nis_domain;
+ char * proxy_pac;
+
GSList *routes;
gboolean never_default;
@@ -569,6 +571,26 @@ nm_ip4_config_get_nis_domain (NMIP4Config *config)
return NM_IP4_CONFIG_GET_PRIVATE (config)->nis_domain;
}
+void
+nm_ip4_config_set_proxy_pac (NMIP4Config *config, const char *uri)
+{
+ NMIP4ConfigPrivate *priv;
+
+ g_return_if_fail (NM_IS_IP4_CONFIG (config));
+
+ priv = NM_IP4_CONFIG_GET_PRIVATE (config);
+ g_free (priv->proxy_pac);
+ priv->proxy_pac = g_strdup (uri);
+}
+
+const char *
+nm_ip4_config_get_proxy_pac (NMIP4Config *config)
+{
+ g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
+
+ return NM_IP4_CONFIG_GET_PRIVATE (config)->proxy_pac;
+}
+
/* libnl convenience/conversion functions */
static int ip4_addr_to_rtnl_local (guint32 ip4_address, struct rtnl_addr *addr)
@@ -790,6 +812,10 @@ nm_ip4_config_diff (NMIP4Config *a, NMIP4Config *b)
&& (g_strcmp0 (a_priv->nis_domain, b_priv->nis_domain) != 0))
flags |= NM_IP4_COMPARE_FLAG_NIS_DOMAIN;
+ if ( (a_priv->proxy_pac || b_priv->proxy_pac)
+ && (g_strcmp0 (a_priv->proxy_pac, b_priv->proxy_pac) != 0))
+ flags |= NM_IP4_COMPARE_FLAG_PROXY_PAC;
+
if ( !route_slist_compare (a_priv->routes, b_priv->routes)
|| !route_slist_compare (b_priv->routes, a_priv->routes))
flags |= NM_IP4_COMPARE_FLAG_ROUTES;
@@ -856,6 +882,10 @@ nm_ip4_config_hash (NMIP4Config *config, GChecksum *sum,
gboolean dns_only)
s = nm_ip4_config_get_nis_domain (config);
if (s)
g_checksum_update (sum, (const guint8 *) s, strlen (s));
+
+ s = nm_ip4_config_get_proxy_pac (config);
+ if (s)
+ g_checksum_update (sum, (const guint8 *) s, strlen (s));
}
for (i = 0; i < nm_ip4_config_get_num_nameservers (config); i++)
@@ -900,6 +930,7 @@ finalize (GObject *object)
g_ptr_array_free (priv->searches, TRUE);
g_array_free (priv->nis, TRUE);
g_free (priv->nis_domain);
+ g_free (priv->proxy_pac);
G_OBJECT_CLASS (nm_ip4_config_parent_class)->finalize (object);
}
diff --git a/src/nm-ip4-config.h b/src/nm-ip4-config.h
index 5433768..c66aece 100644
--- a/src/nm-ip4-config.h
+++ b/src/nm-ip4-config.h
@@ -107,6 +107,9 @@ void nm_ip4_config_reset_nis_servers
(NMIP4Config *config);
void nm_ip4_config_set_nis_domain (NMIP4Config *config, const
char *domain);
const char * nm_ip4_config_get_nis_domain (NMIP4Config *config);
+void nm_ip4_config_set_proxy_pac (NMIP4Config *config, const
char *uri);
+const char * nm_ip4_config_get_proxy_pac (NMIP4Config *config);
+
/* Flags for nm_ip4_config_to_rtnl_addr() */
#define NM_RTNL_ADDR_NONE 0x0000
@@ -133,6 +136,7 @@ typedef enum {
NM_IP4_COMPARE_FLAG_WINS_SERVERS= 0x00000100,
NM_IP4_COMPARE_FLAG_NIS_SERVERS = 0x00000200,
NM_IP4_COMPARE_FLAG_NIS_DOMAIN = 0x00000400,
+ NM_IP4_COMPARE_FLAG_PROXY_PAC = 0x00000800,
NM_IP4_COMPARE_FLAG_ALL = 0xFFFFFFFF /* match everything */
} NMIP4ConfigCompareFlags;
diff --git a/src/vpn-manager/nm-vpn-connection.c
b/src/vpn-manager/nm-vpn-connection.c
index f2e31a8..bb9c710 100644
--- a/src/vpn-manager/nm-vpn-connection.c
+++ b/src/vpn-manager/nm-vpn-connection.c
@@ -493,6 +493,7 @@ print_vpn_config (NMVPNConnection *connection)
NMIP4Address *addr;
NMIP6Address *addr6;
char *dns_domain = NULL;
+ const char *proxy_pac = NULL;
guint32 num, i;
if (priv->ip4_external_gw) {
@@ -542,6 +543,10 @@ print_vpn_config (NMVPNConnection *connection)
dns_domain = (char *) nm_ip4_config_get_domain
(priv->ip4_config, 0);
nm_log_info (LOGD_VPN, " DNS Domain: '%s'", dns_domain ?
dns_domain : "(none)");
+
+ proxy_pac = nm_ip4_config_get_proxy_pac (priv->ip4_config);
+ if (proxy_pac)
+ nm_log_info (LOGD_VPN, " Proxy PAC: '%s'", proxy_pac);
} else
nm_log_info (LOGD_VPN, "No IPv4 configuration");
@@ -898,6 +903,10 @@ nm_vpn_connection_ip4_config_get (DBusGProxy *proxy,
if (val && G_VALUE_HOLDS_BOOLEAN (val))
nm_ip4_config_set_never_default (config, g_value_get_boolean
(val));
+ val = (GValue *) g_hash_table_lookup (config_hash,
NM_VPN_PLUGIN_IP4_CONFIG_PROXY_PAC);
+ if (val)
+ nm_ip4_config_set_proxy_pac (config, g_value_get_string (val));
+
/* Merge in user overrides from the NMConnection's IPv4 setting */
s_ip4 = nm_connection_get_setting_ip4_config (priv->connection);
nm_utils_merge_ip4_config (config, s_ip4);
--
dwmw2
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