diff options
| -rw-r--r-- | src/Makefile | 1 | ||||
| -rw-r--r-- | src/string_list.c | 104 | ||||
| -rw-r--r-- | src/string_list.h | 55 |
3 files changed, 160 insertions, 0 deletions
diff --git a/src/Makefile b/src/Makefile index 3a346cf..fff8ee2 100644 --- a/src/Makefile +++ b/src/Makefile @@ -39,6 +39,7 @@ EXECUTABLE := uanytun CRYPT_OBJ := key_derivation.o \ auth_algo.o OBJ := log.o \ + string_list.o \ signal.o \ options.o \ tun.o \ diff --git a/src/string_list.c b/src/string_list.c new file mode 100644 index 0000000..fa35789 --- /dev/null +++ b/src/string_list.c @@ -0,0 +1,104 @@ +/* + * uAnytun + * + * uAnytun is a tiny implementation of SATP. Unlike Anytun which is a full + * featured implementation uAnytun has no support for multiple connections + * or synchronisation. It is a small single threaded implementation intended + * to act as a client on small platforms. + * The secure anycast tunneling protocol (satp) defines a protocol used + * for communication between any combination of unicast and anycast + * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel + * mode and allows tunneling of every ETHER TYPE protocol (e.g. + * ethernet, ip, arp ...). satp directly includes cryptography and + * message authentication based on the methodes used by SRTP. It is + * intended to deliver a generic, scaleable and secure solution for + * tunneling and relaying of packets of any protocol. + * + * + * Copyright (C) 2007-2008 Christian Pointner <equinox@anytun.org> + * + * This file is part of uAnytun. + * + * uAnytun is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation. + * + * uAnytun 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 uAnytun. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <string.h> +#include <stdio.h> + +#include "string_list.h" + +void string_list_init(string_list_t* list) +{ + if(!list) + return; + + list->first = NULL; +} + +void string_list_clear(string_list_t* list) +{ + if(!list) + return; + + while(list->first) { + string_list_element_t* tmp; + tmp = list->first; + list->first = tmp->next; + if(tmp->string) + free(tmp->string); + free(tmp); + } +} + +int string_list_add(string_list_t* list, const char* string) +{ + if(!list) + return; + + if(!list->first) { + list->first = malloc(sizeof(string_list_element_t)); + if(!list->first) + return -2; + + list->first->next = 0; + list->first->string = strdup(string); + if(!list->first) + return -2; + } + else { + string_list_element_t* tmp = list->first; + while(tmp->next) + tmp = tmp->next; + + tmp->next = malloc(sizeof(string_list_element_t)); + if(!tmp->next) + return -2; + + tmp->next->next = 0; + tmp->next->string = strdup(string); + if(!tmp->next) + return -2; + } +} + +void string_list_print(string_list_t* list) +{ + if(!list) + return; + + string_list_element_t* tmp = list->first; + while(tmp) { + printf("%s\n",tmp->string); + tmp = tmp->next; + } +} diff --git a/src/string_list.h b/src/string_list.h new file mode 100644 index 0000000..22d3eef --- /dev/null +++ b/src/string_list.h @@ -0,0 +1,55 @@ +/* + * uAnytun + * + * uAnytun is a tiny implementation of SATP. Unlike Anytun which is a full + * featured implementation uAnytun has no support for multiple connections + * or synchronisation. It is a small single threaded implementation intended + * to act as a client on small platforms. + * The secure anycast tunneling protocol (satp) defines a protocol used + * for communication between any combination of unicast and anycast + * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel + * mode and allows tunneling of every ETHER TYPE protocol (e.g. + * ethernet, ip, arp ...). satp directly includes cryptography and + * message authentication based on the methodes used by SRTP. It is + * intended to deliver a generic, scaleable and secure solution for + * tunneling and relaying of packets of any protocol. + * + * + * Copyright (C) 2007-2008 Christian Pointner <equinox@anytun.org> + * + * This file is part of uAnytun. + * + * uAnytun is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation. + * + * uAnytun 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 uAnytun. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _STRING_LIST_H_ +#define _STRING_LIST_H_ + +struct string_list_element_struct { + char* string; + struct string_list_element_struct* next; +}; +typedef struct string_list_element_struct string_list_element_t; + +struct string_list_struct { + string_list_element_t* first; +}; +typedef struct string_list_struct string_list_t; + +void string_list_init(string_list_t* list); +void string_list_clear(string_list_t* list); +int string_list_add(string_list_t* list, const char* string); + +void string_list_print(string_list_t* list); + +#endif |