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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6176 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Lionel Gauthier
2014-12-05 11:11:28 +00:00
parent 74a47a27a7
commit b4dd000fb2
3 changed files with 119 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair-cn/SGW-LITE/sgw_lite_task.c
+1
View File
@@ -150,6 +150,7 @@ int sgw_lite_init(char* config_file_name_pP)
spgw_system("insmod $OPENAIRCN_DIR/GTPV1-U/GTPURH/Bin/xt_GTPURH.ko", 1);
#endif
spgw_config_init(config_file_name_pP, &spgw_config);
spgw_config_process(&spgw_config);
pgw_lite_load_pool_ip_addresses();
sgw_app.s11teid2mme_hashtable = hashtable_create (8192, NULL, NULL);
openair-cn/SGW-LITE/spgw_config.c
+117 -49
View File
@@ -147,6 +147,123 @@ int spgw_system(char *command_pP, int abort_on_errorP) {
return ret;
}
int spgw_config_process(spgw_config_t* config_pP) {
char system_cmd[256];
struct in_addr inaddr;
int ret = 0;
if (strncasecmp("tun",config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up, strlen("tun")) == 0) {
if (snprintf(system_cmd, 256,
"ip link set %s down ;openvpn --rmtun --dev %s",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up,
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up
) > 0) {
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Del %s\n", config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up);
ret = -1;
}
if (snprintf(system_cmd, 256,
"openvpn --mktun --dev %s;sync;ifconfig %s up;sync",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up,
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up) > 0) {
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Create %s\n", config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up);
ret = -1;
}
inaddr.s_addr = config_pP->sgw_config.ipv4.sgw_ipv4_address_for_S1u_S12_S4_up;
if (snprintf(system_cmd, 256,
"ip -4 addr add %s dev %s",
inet_ntoa(inaddr),
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up) > 0) {
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Set IPv4 address on %s\n", config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up);
ret = -1;
}
if (snprintf(system_cmd, 128,
"iptables -t filter -I INPUT -i lo -d %s --protocol sctp -j DROP",
inet_ntoa(inaddr)) > 0) {
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Drop SCTP traffic on S1U\n");
ret = -1;
}
if (snprintf(system_cmd, 128,
"iptables -t filter -I INPUT -i lo -s %s --protocol sctp -j DROP",
inet_ntoa(inaddr)) > 0) {
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Drop SCTP traffic on S1U\n");
ret = -1;
}
}
#if defined (ENABLE_USE_GTPU_IN_KERNEL)
ret += spgw_system("echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects", 1);
#endif
if (snprintf(system_cmd, 256,
"ip link set dev %s mtu %u",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up,
config_pP->sgw_config.sgw_interface_mtu_for_S1u_S12_S4_up) > 0) {
SPGW_APP_INFO("Set S1U interface MTU: %s\n",system_cmd);
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Set S1U interface MTU\n");
ret = -1;
}
if (config_pP->sgw_config.sgw_drop_uplink_traffic) {
if (snprintf(system_cmd, 128,
"iptables -t raw -I PREROUTING -i %s --protocol udp --destination-port 2152 -j DROP",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up) > 0) {
SPGW_APP_INFO("Drop uplink traffic: %s\n",system_cmd);
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Drop uplink traffic\n");
ret = -1;
}
}
if (config_pP->pgw_config.pgw_masquerade_SGI) {
if (snprintf(system_cmd, 128,
"iptables -t nat -A POSTROUTING -o %s ! --protocol sctp -j MASQUERADE",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Masquerade SGI: %s\n",system_cmd);
ret += spgw_system(system_cmd,1);
} else {
SPGW_APP_ERROR("Masquerade SGI\n");
ret = -1;
}
}
#if defined (ENABLE_USE_GTPU_IN_KERNEL)
if (snprintf(system_cmd, 128,
//"iptables -I POSTROUTING -t mangle -o %s -m state --state NEW -m mark ! --mark 0 ! --protocol sctp -j CONNMARK --save-mark",
"iptables -I POSTROUTING -t mangle -o %s -m mark ! --mark 0 ! --protocol sctp -j CONNMARK --save-mark",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Save mark: %s\n",system_cmd);
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Save mark\n");
ret = -1;
}
if (snprintf(system_cmd, 128,
"iptables -I PREROUTING -t mangle -i %s ! --protocol sctp -j CONNMARK --restore-mark",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Restore mark: %s\n",system_cmd);
ret += spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Restore mark\n");
ret = -1;
}
#endif
return ret;
}
int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
config_t cfg;
@@ -239,9 +356,6 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
config_pP->sgw_config.ipv4.sgw_ip_netmask_for_S1u_S12_S4_up = atoi(mask);
free(cidr);
#if defined (ENABLE_USE_GTPU_IN_KERNEL)
spgw_system("echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects", 1);
#endif
in_addr_var.s_addr = config_pP->sgw_config.ipv4.sgw_ipv4_address_for_S1u_S12_S4_up;
SPGW_APP_INFO("Parsing configuration file found sgw_ipv4_address_for_S1u_S12_S4_up: %s/%d on %s\n",
inet_ntoa(in_addr_var),
@@ -282,15 +396,6 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
&sgw_interface_mtu_for_S1u_S12_S4_up)
) {
config_pP->sgw_config.sgw_interface_mtu_for_S1u_S12_S4_up = sgw_interface_mtu_for_S1u_S12_S4_up;
if (snprintf(system_cmd, 128,
"ip link set dev %s mtu %u",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up,
config_pP->sgw_config.sgw_interface_mtu_for_S1u_S12_S4_up) > 0) {
SPGW_APP_INFO("Set S1U interface MTU: %s\n",system_cmd);
spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Set S1U interface MTU\n");
}
}
}
if( (
@@ -302,15 +407,6 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
) {
if (strcasecmp(sgw_drop_uplink_s1u_traffic, "yes") == 0) {
config_pP->sgw_config.sgw_drop_uplink_traffic=1;
if (snprintf(system_cmd, 128,
"iptables -t raw -I PREROUTING -i %s --protocol udp --destination-port 2152 -j DROP",
config_pP->sgw_config.ipv4.sgw_interface_name_for_S1u_S12_S4_up) > 0) {
SPGW_APP_INFO("Drop uplink traffic: %s\n",system_cmd);
spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Drop uplink traffic\n");
}
} else {
config_pP->sgw_config.sgw_drop_uplink_traffic=0;
}
@@ -373,38 +469,10 @@ int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP) {
if (strcasecmp(pgw_masquerade_SGI, "yes") == 0) {
config_pP->pgw_config.pgw_masquerade_SGI=1;
if (snprintf(system_cmd, 128,
"iptables -t nat -A POSTROUTING -o %s ! --protocol sctp -j MASQUERADE",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Masquerade SGI: %s\n",system_cmd);
spgw_system(system_cmd,1);
} else {
SPGW_APP_ERROR("Masquerade SGI\n");
}
} else {
config_pP->pgw_config.pgw_masquerade_SGI=0;
SPGW_APP_INFO("No masquerading for SGI\n");
}
#if defined (ENABLE_USE_GTPU_IN_KERNEL)
if (snprintf(system_cmd, 128,
//"iptables -I POSTROUTING -t mangle -o %s -m state --state NEW -m mark ! --mark 0 ! --protocol sctp -j CONNMARK --save-mark",
"iptables -I POSTROUTING -t mangle -o %s -m mark ! --mark 0 ! --protocol sctp -j CONNMARK --save-mark",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Save mark: %s\n",system_cmd);
spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Save mark\n");
}
if (snprintf(system_cmd, 128,
"iptables -I PREROUTING -t mangle -i %s ! --protocol sctp -j CONNMARK --restore-mark",
config_pP->pgw_config.ipv4.pgw_interface_name_for_SGI) > 0) {
SPGW_APP_INFO("Restore mark: %s\n",system_cmd);
spgw_system(system_cmd, 1);
} else {
SPGW_APP_ERROR("Restore mark\n");
}
#endif
} else {
SPGW_APP_WARN("CONFIG P-GW / NETWORK INTERFACES parsing failed\n");
}
openair-cn/SGW-LITE/spgw_config.h
+1
View File
@@ -147,6 +147,7 @@ extern spgw_config_t spgw_config;
#endif
int spgw_system(char *command_pP, int abort_on_errorP);
int spgw_config_process(spgw_config_t* config_pP);
int spgw_config_init(char* lib_config_file_name_pP, spgw_config_t* config_pP);
#endif /* ENB_CONFIG_H_ */