Fixed TCP fast open issue

Signed-off-by: Teddysun <i@teddysun.com>

shadowsocks-all.sh

@@ -227,6 +227,23 @@ check_kernel_version() {
     fi
 }
 
+check_kernel_headers(){
+    if check_sys packageManager yum; then
+        if rpm -qa | grep -q headers-$(uname -r); then
+            return 0
+        else
+            return 1
+        fi
+    elif check_sys packageManager apt; then
+        if dpkg -s linux-headers-$(uname -r) > /dev/null 2>&1; then
+            return 0
+        else
+            return 1
+        fi
+    fi
+    return 1
+}
+
 getversion(){
     if [[ -s /etc/redhat-release ]]; then
         grep -oE  "[0-9.]+" /etc/redhat-release
@@ -423,7 +440,7 @@ config_firewall() {
 
 config_shadowsocks(){
 
-if check_kernel_version; then
+if check_kernel_version && check_kernel_headers; then
     fast_open="true"
 else
     fast_open="false"

shadowsocks-libev-debian.sh

@@ -190,6 +190,23 @@ check_kernel_version() {
     fi
 }
 
+check_kernel_headers(){
+    if check_sys packageManager yum; then
+        if rpm -qa | grep -q headers-$(uname -r); then
+            return 0
+        else
+            return 1
+        fi
+    elif check_sys packageManager apt; then
+        if dpkg -s linux-headers-$(uname -r) > /dev/null 2>&1; then
+            return 0
+        else
+            return 1
+        fi
+    fi
+    return 1
+}
+
 debianversion(){
     if check_sys sysRelease debian;then
         local version=$( get_opsy )
@@ -368,7 +385,7 @@ config_shadowsocks(){
         server_value="[\"[::0]\",\"0.0.0.0\"]"
     fi
 
-    if check_kernel_version; then
+    if check_kernel_version && check_kernel_headers; then
         fast_open="true"
     else
         fast_open="false"

shadowsocks-libev.sh

@@ -184,6 +184,23 @@ check_kernel_version() {
     fi
 }
 
+check_kernel_headers(){
+    if check_sys packageManager yum; then
+        if rpm -qa | grep -q headers-$(uname -r); then
+            return 0
+        else
+            return 1
+        fi
+    elif check_sys packageManager apt; then
+        if dpkg -s linux-headers-$(uname -r) > /dev/null 2>&1; then
+            return 0
+        else
+            return 1
+        fi
+    fi
+    return 1
+}
+
 # Get version
 getversion(){
     if [[ -s /etc/redhat-release ]]; then
@@ -385,7 +402,7 @@ config_shadowsocks(){
         server_value="[\"[::0]\",\"0.0.0.0\"]"
     fi
 
-    if check_kernel_version; then
+    if check_kernel_version && check_kernel_headers; then
         fast_open="true"
     else
         fast_open="false"