Merge pull request #77 from madeye/acl2

Refine ACL support

libcork/include/libcork/config/config.h

@@ -52,6 +52,10 @@
 /* Do some BSD (4.3 code base or newer)specific autodetection. */
 #include <libcork/config/bsd.h>
 
+#elif defined(__MINGW32__)
+/* Do some mingw32 autodetection. */
+#include <libcork/config/mingw32.h>
+
 #endif  /* platforms */
 
 

libcork/include/libcork/config/mingw32.h

@@ -0,0 +1,52 @@
+/* -*- coding: utf-8 -*-
+ * ----------------------------------------------------------------------
+ * Copyright © 2011, RedJack, LLC.
+ * All rights reserved.
+ *
+ * Please see the COPYING file in this distribution for license
+ * details.
+ * ----------------------------------------------------------------------
+ */
+
+#ifndef LIBCORK_CONFIG_MINGW32_H
+#define LIBCORK_CONFIG_MINGW32_H
+
+#include <io.h>
+
+/*-----------------------------------------------------------------------
+ * Endianness
+ */
+
+/* Assume MinGW32 only works on x86 platform */ 
+
+#define CORK_CONFIG_IS_BIG_ENDIAN      0
+#define CORK_CONFIG_IS_LITTLE_ENDIAN   1
+
+#define CORK_HAVE_REALLOCF  0
+#define CORK_HAVE_PTHREADS  1
+
+/*
+ * File io stuff. Odd that this is not defined by MinGW.
+ * Maybe there is an M$ish way to do it.
+ */
+#define F_SETFL    4
+#define O_NONBLOCK 0x4000  /* non blocking I/O (POSIX style) */
+
+#define F_GETFD 1
+#define F_SETFD 2
+#define FD_CLOEXEC 0x1
+
+#define WNOHANG 1
+
+/*
+ * simple adaptors
+ */
+
+static inline int mingw_mkdir(const char *path, int mode)
+{
+        return mkdir(path);
+}
+#define mkdir mingw_mkdir
+
+
+#endif /* LIBCORK_CONFIG_MINGW32_H */

libcork/posix/subprocess.c

@@ -12,8 +12,10 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
+#ifndef __MINGW32__
 #include <sys/select.h>
 #include <sys/wait.h>
+#endif
 #include <unistd.h>
 
 #include "libcork/core.h"
@@ -506,7 +508,7 @@ cork_subprocess_is_finished(struct cork_subprocess *self)
         && cork_read_pipe_is_finished(&self->stderr_pipe);
 }
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) || defined(__MINGW32__)
 #include <pthread.h>
 #define THREAD_YIELD   pthread_yield_np
 #elif defined(__linux__) || defined(BSD)

src/acl.c

@@ -1,12 +1,38 @@
+/*
+ * acl.c - Manage the ACL (Access Control List)
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <ipset/ipset.h>
+#include <libcork/ds.h>
+
 #include "utils.h"
 
-static struct ip_set set;
+static struct ip_set acl_ip_set;
+static struct cork_string_array acl_domain_array;
 
 static void parse_addr_cidr(const char *str, char **host, int *cidr)
 {
     int ret = -1, n = 0;
     char *pch;
+
     pch = strchr(str, '/');
     while (pch != NULL)
     {
@@ -35,8 +61,12 @@ static void parse_addr_cidr(const char *str, char **host, int *cidr)
 
 int init_acl(const char *path)
 {
+    // initialize ipset
     ipset_init_library();
-    ipset_init(&set);
+    ipset_init(&acl_ip_set);
+
+    // initialize array
+    cork_string_array_init(&acl_domain_array);
 
     FILE *f = fopen(path, "r");
     if (f == NULL) FATAL("Invalid acl path.");
@@ -46,16 +76,33 @@ int init_acl(const char *path)
     {
         if (fgets(line, 256, f))
         {
+            // Trim the newline
+            int len = strlen(line);
+            if (len > 0 && line[len - 1] == '\n')
+            {
+                line[len - 1] = '\0';
+            }
+
             char *host = NULL;
             int cidr;
             parse_addr_cidr(line, &host, &cidr);
-            struct cork_ipv4 addr;
-            int err = cork_ipv4_init(&addr, host);
-            if (err) continue;
-            if (cidr >= 0)
-                ipset_ipv4_add_network(&set, &addr, cidr);
+
+            if (cidr == -1)
+            {
+                cork_string_array_append(&acl_domain_array, host);
+            }
             else
-                ipset_ipv4_add(&set, &addr);
+            {
+                struct cork_ipv4 addr;
+                int err = cork_ipv4_init(&addr, host);
+                if (!err)
+                {
+                    if (cidr >= 0)
+                        ipset_ipv4_add_network(&acl_ip_set, &addr, cidr);
+                    else
+                        ipset_ipv4_add(&acl_ip_set, &addr);
+                }
+            }
 
             if (host != NULL) free(host);
         }
@@ -68,15 +115,43 @@ int init_acl(const char *path)
 
 void free_acl(void)
 {
-    ipset_done(&set);
+    ipset_done(&acl_ip_set);
+}
+
+int acl_contains_domain(const char* domain)
+{
+    const char **list = acl_domain_array.items;
+    const int size = acl_domain_array.size;
+    const int domain_len = strlen(domain);
+
+    for (int i = 0; i < size; i++)
+    {
+        const char *acl_domain = list[i];
+        const int acl_domain_len = strlen(acl_domain);
+        if (acl_domain_len > domain_len) continue;
+        int match = true;
+        for (int offset = 1; offset <= acl_domain_len; offset++)
+        {
+            if (domain[domain_len - offset] != acl_domain[acl_domain_len - offset])
+            {
+                match = false;
+                break;
+            }
+        }
+        if (match) return 1;
+    }
+
+
+    return 0;
 }
 
-int acl_is_bypass(const char* host)
+int acl_contains_ip(const char* host)
 {
     struct cork_ipv4 addr;
     int err = cork_ipv4_init(&addr, host);
     if (err) return 0;
+
     struct cork_ip ip;
     cork_ip_from_ipv4(&ip, &addr);
-    return ipset_contains_ip(&set, &ip);
+    return ipset_contains_ip(&acl_ip_set, &ip);
 }

src/acl.h

@@ -1,8 +1,32 @@
+/*
+ * acl.h - Define the ACL interface
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _ACL_H
 #define _ACL_H
 
 int init_acl(const char *path);
 void free_acl(void);
-int acl_is_bypass(const char* host);
+
+int acl_contains_ip(const char* ip);
+int acl_contains_domain(const char* domain);
 
 #endif // _ACL_H

src/cache.c

@@ -1,3 +1,25 @@
+/*
+ * cache.c - Manage the connection cache for UDPRELAY
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 /*
  * Original Author:  Oliver Lorenz (ol), olli@olorenz.org, https://olorenz.org
  * License:  This is licensed under the same terms as uthash itself

src/cache.h

@@ -1,3 +1,25 @@
+/*
+ * cache.c - Define the cache manager interface
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 /*
  * Original Author:  Oliver Lorenz (ol), olli@olorenz.org, https://olorenz.org
  * License:  This is licensed under the same terms as uthash itself

src/encrypt.c

@@ -1,3 +1,25 @@
+/*
+ * encrypt.c - Manage the global encryptor
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

src/encrypt.h

@@ -1,3 +1,25 @@
+/*
+ * encrypt.h - Define the enryptor's interface
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _ENCRYPT_H
 #define _ENCRYPT_H
 

src/include.h

@@ -1,3 +1,24 @@
+/*
+ * include.h - Provide global definitions
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _INCLUDE_H
 #define _INCLUDE_H
 
@@ -8,7 +29,7 @@
 #ifndef TCP_FASTOPEN
 #define TCP_FASTOPEN   23
 #endif
- 
+
 /*  conditional define for MSG_FASTOPEN */
 #ifndef MSG_FASTOPEN
 #define MSG_FASTOPEN   0x20000000

src/jconf.c

@@ -1,3 +1,24 @@
+/*
+ * jconf.c - Parse the JSON format config file
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>

src/jconf.h

@@ -1,3 +1,24 @@
+/*
+ * server.c - Define the config data structure
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _JCONF_H
 #define _JCONF_H
 

src/json.h

@@ -1,4 +1,3 @@
-
 /* vim: set et ts=3 sw=3 sts=3 ft=c:
  *
  * Copyright (C) 2012, 2013, 2014 James McLaughlin et al.  All rights reserved.
@@ -120,151 +119,151 @@ typedef struct _json_value
             } * values;
 
 #if defined(__cplusplus) && __cplusplus >= 201103L
-                decltype(values) begin () const
-                {
-                    return values;
-                }
-                decltype(values) end () const
-                {
-                    return values + length;
-                }
+            decltype(values) begin () const
+            {
+                return values;
+            }
+            decltype(values) end () const
+            {
+                return values + length;
+            }
 #endif
 
-            } object;
+        } object;
 
-            struct
-            {
-                unsigned int length;
-                struct _json_value ** values;
+        struct
+        {
+            unsigned int length;
+            struct _json_value ** values;
 
 #if defined(__cplusplus) && __cplusplus >= 201103L
-                decltype(values) begin () const
-                {
-                    return values;
-                }
-                decltype(values) end () const
-                {
-                    return values + length;
-                }
+            decltype(values) begin () const
+            {
+                return values;
+            }
+            decltype(values) end () const
+            {
+                return values + length;
+            }
 #endif
 
-            } array;
+        } array;
 
-        } u;
+    } u;
 
-        union
-        {
-            struct _json_value * next_alloc;
-            void * object_mem;
+    union
+    {
+        struct _json_value * next_alloc;
+        void * object_mem;
 
-        } _reserved;
+    } _reserved;
 
 
-        /* Some C++ operator sugar */
+    /* Some C++ operator sugar */
 
 #ifdef __cplusplus
 
-    public:
+public:
 
-        inline _json_value ()
-        {
-            memset (this, 0, sizeof (_json_value));
-        }
+    inline _json_value ()
+    {
+        memset (this, 0, sizeof (_json_value));
+    }
 
-        inline const struct _json_value &operator [] (int index) const
+    inline const struct _json_value &operator [] (int index) const
+    {
+        if (type != json_array || index < 0
+                || ((unsigned int) index) >= u.array.length)
         {
-            if (type != json_array || index < 0
-                    || ((unsigned int) index) >= u.array.length)
-            {
-                return json_value_none;
-            }
-
-            return *u.array.values [index];
+            return json_value_none;
         }
 
-        inline const struct _json_value &operator [] (const char * index) const
-        {
-            if (type != json_object)
-                return json_value_none;
-
-            for (unsigned int i = 0; i < u.object.length; ++ i)
-                if (!strcmp (u.object.values [i].name, index))
-                    return *u.object.values [i].value;
+        return *u.array.values [index];
+    }
 
+    inline const struct _json_value &operator [] (const char * index) const
+    {
+        if (type != json_object)
             return json_value_none;
-        }
 
-        inline operator const char * () const
+        for (unsigned int i = 0; i < u.object.length; ++ i)
+            if (!strcmp (u.object.values [i].name, index))
+                return *u.object.values [i].value;
+
+        return json_value_none;
+    }
+
+    inline operator const char * () const
+    {
+        switch (type)
         {
-            switch (type)
-            {
-            case json_string:
-                return u.string.ptr;
+        case json_string:
+            return u.string.ptr;
 
-            default:
-                return "";
-            };
-        }
+        default:
+            return "";
+        };
+    }
 
-        inline operator json_int_t () const
+    inline operator json_int_t () const
+    {
+        switch (type)
         {
-            switch (type)
-            {
-            case json_integer:
-                return u.integer;
+        case json_integer:
+            return u.integer;
 
-            case json_double:
-                return (json_int_t) u.dbl;
+        case json_double:
+            return (json_int_t) u.dbl;
 
-            default:
-                return 0;
-            };
-        }
+        default:
+            return 0;
+        };
+    }
 
-        inline operator bool () const
-        {
-            if (type != json_boolean)
-                return false;
+    inline operator bool () const
+    {
+        if (type != json_boolean)
+            return false;
 
-            return u.boolean != 0;
-        }
+        return u.boolean != 0;
+    }
 
-        inline operator double () const
+    inline operator double () const
+    {
+        switch (type)
         {
-            switch (type)
-            {
-            case json_integer:
-                return (double) u.integer;
+        case json_integer:
+            return (double) u.integer;
 
-            case json_double:
-                return u.dbl;
+        case json_double:
+            return u.dbl;
 
-            default:
-                return 0;
-            };
-        }
+        default:
+            return 0;
+        };
+    }
 
 #endif
 
-    } json_value;
+} json_value;
 
-    json_value * json_parse (const json_char * json,
-                             size_t length);
+json_value * json_parse (const json_char * json,
+                         size_t length);
 
 #define json_error_max 128
-    json_value * json_parse_ex (json_settings * settings,
-                                const json_char * json,
-                                size_t length,
-                                char * error);
+json_value * json_parse_ex (json_settings * settings,
+                            const json_char * json,
+                            size_t length,
+                            char * error);
 
-    void json_value_free (json_value *);
+void json_value_free (json_value *);
 
 
-    /* Not usually necessary, unless you used a custom mem_alloc and now want to
-     * use a custom mem_free.
-     */
-    void json_value_free_ex (json_settings * settings,
-                             json_value *);
+/* Not usually necessary, unless you used a custom mem_alloc and now want to
+ * use a custom mem_free.
+ */
+void json_value_free_ex (json_settings * settings,
+                         json_value *);
 
 
 #ifdef __cplusplus

src/local.c

@@ -1,3 +1,25 @@
+/*
+ * local.c - Setup a socks5 proxy through remote shadowsocks server
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
@@ -361,7 +383,6 @@ static void server_recv_cb (EV_P_ ev_io *w, int revents)
                               host, INET_ADDRSTRLEN);
                     sprintf(port, "%d", p);
                 }
-
             }
             else if (request->atyp == 3)
             {
@@ -378,7 +399,6 @@ static void server_recv_cb (EV_P_ ev_io *w, int revents)
                     host[name_len] = '\0';
                     sprintf(port, "%d", p);
                 }
-
             }
             else if (request->atyp == 4)
             {
@@ -394,7 +414,6 @@ static void server_recv_cb (EV_P_ ev_io *w, int revents)
                               host, INET6_ADDRSTRLEN);
                     sprintf(port, "%d", p);
                 }
-
             }
             else
             {
@@ -413,7 +432,8 @@ static void server_recv_cb (EV_P_ ev_io *w, int revents)
                 LOGD("connect to %s:%s", host, port);
             }
 
-            if (acl_is_bypass(host))
+            if ((request->atyp == 1 && acl_contains_ip(host))
+                    || (request->atyp = 3 && acl_contains_domain(host)))
             {
                 remote = connect_to_remote(server->listener, host, port);
                 remote->direct = 1;

src/local.h

@@ -1,3 +1,25 @@
+/*
+ * local.h - Define the clinet's buffers and callbacks
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _LOCAL_H
 #define _LOCAL_H
 

src/redir.c

@@ -1,3 +1,26 @@
+/*
+ * redir.c - Provide a transparent TCP proxy through remote shadowsocks
+ *            server
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <arpa/inet.h>

src/redir.h

@@ -1,3 +1,25 @@
+/*
+ * redir.h - Define the redirector's buffers and callbacks
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _LOCAL_H
 #define _LOCAL_H
 

src/server.c

@@ -1,3 +1,25 @@
+/*
+ * server.c - Provide shadowsocks service
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <arpa/inet.h>

src/server.h

@@ -1,3 +1,25 @@
+/*
+ * server.h - Define shadowsocks server's buffers and callbacks
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _SERVER_H
 #define _SERVER_H
 

src/socks5.h

@@ -1,3 +1,25 @@
+/*
+ * socks5.h - Define SOCKS5's header
+ *
+ * Copyright (C) 2013, clowwindy <clowwindy42@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _SOCKS5_H
 #define _SOCKS5_H
 

src/tunnel.c

@@ -1,3 +1,25 @@
+/*
+ * tunnel.c - Setup a local port forwarding through remote shadowsocks server
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>

src/tunnel.h

@@ -1,5 +1,27 @@
-#ifndef _LOCAL_H
-#define _LOCAL_H
+/*
+ * tunnel.h - Define tunnel's buffers and callbacks
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TUNNEL_H
+#define _TUNNEL_H
 
 #include <ev.h>
 #include "encrypt.h"

src/udprelay.c

@@ -1,3 +1,25 @@
+/*
+ * udprelay.c - Setup UDP relay for both client and server
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>

src/udprelay.h

@@ -1,3 +1,25 @@
+/*
+ * udprelay.h - Define UDP relay's buffers and callbacks
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _UDPRELAY_H
 #define _UDPRELAY_H
 

src/utils.c

@@ -1,3 +1,25 @@
+/*
+ * utils.c - Misc utilities
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>

src/utils.h

@@ -1,3 +1,25 @@
+/*
+ * utils.h - Misc utilities
+ *
+ * Copyright (C) 2013 - 2014, Max Lv <max.c.lv@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _UTILS_H
 #define _UTILS_H
 

src/win32.c

@@ -1,3 +1,25 @@
+/*
+ * win32.c - Win32 port helpers
+ *
+ * Copyright (C) 2014, Linus Yang <linusyang@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #include "win32.h"
 
 #ifdef setsockopt

src/win32.h

@@ -1,3 +1,25 @@
+/*
+ * win32.c - Win32 port helpers
+ *
+ * Copyright (C) 2014, Linus Yang <linusyang@gmail.com>
+ *
+ * This file is part of the shadowsocks-libev.
+ *
+ * shadowsocks-libev 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * shadowsocks-libev is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with pdnsd; see the file COPYING. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _WIN32_H
 #define _WIN32_H