diff options
Diffstat (limited to 'src/fastd.h')
| -rw-r--r-- | src/fastd.h | 236 |
1 files changed, 118 insertions, 118 deletions
diff --git a/src/fastd.h b/src/fastd.h index 4d85cc7..0b29797 100644 --- a/src/fastd.h +++ b/src/fastd.h @@ -54,7 +54,7 @@ #define MAX_METHODS 3 -struct _fastd_buffer { +struct fastd_buffer { void *base; size_t base_len; @@ -62,115 +62,115 @@ struct _fastd_buffer { size_t len; }; -struct _fastd_eth_addr { +struct fastd_eth_addr { uint8_t data[ETH_ALEN]; }; -struct _fastd_protocol { +struct fastd_protocol { const char *name; - fastd_protocol_config* (*init)(fastd_context *ctx); - void (*peer_configure)(fastd_context *ctx, fastd_peer_config *peer_conf); + fastd_protocol_config_t* (*init)(fastd_context_t *ctx); + void (*peer_configure)(fastd_context_t *ctx, fastd_peer_config_t *peer_conf); - void (*handshake_init)(fastd_context *ctx, const fastd_socket *sock, const fastd_peer_address *address, const fastd_peer_config *peer_conf); - void (*handshake_handle)(fastd_context *ctx, fastd_socket *sock, const fastd_peer_address *address, const fastd_peer_config *peer_conf, const fastd_handshake *handshake, const fastd_method *method); + void (*handshake_init)(fastd_context_t *ctx, const fastd_socket_t *sock, const fastd_peer_address_t *address, const fastd_peer_config_t *peer_conf); + void (*handshake_handle)(fastd_context_t *ctx, fastd_socket_t *sock, const fastd_peer_address_t *address, const fastd_peer_config_t *peer_conf, const fastd_handshake_t *handshake, const fastd_method_t *method); - void (*handle_recv)(fastd_context *ctx, fastd_peer *peer, fastd_buffer buffer); - void (*send)(fastd_context *ctx, fastd_peer *peer, fastd_buffer buffer); + void (*handle_recv)(fastd_context_t *ctx, fastd_peer_t *peer, fastd_buffer_t buffer); + void (*send)(fastd_context_t *ctx, fastd_peer_t *peer, fastd_buffer_t buffer); - void (*init_peer_state)(fastd_context *ctx, fastd_peer *peer); - void (*reset_peer_state)(fastd_context *ctx, fastd_peer *peer); - void (*free_peer_state)(fastd_context *ctx, fastd_peer *peer); + void (*init_peer_state)(fastd_context_t *ctx, fastd_peer_t *peer); + void (*reset_peer_state)(fastd_context_t *ctx, fastd_peer_t *peer); + void (*free_peer_state)(fastd_context_t *ctx, fastd_peer_t *peer); - void (*generate_key)(fastd_context *ctx); - void (*show_key)(fastd_context *ctx); + void (*generate_key)(fastd_context_t *ctx); + void (*show_key)(fastd_context_t *ctx); }; -struct _fastd_method { +struct fastd_method { const char *name; - size_t (*max_packet_size)(fastd_context *ctx); - size_t (*min_encrypt_head_space)(fastd_context *ctx); - size_t (*min_decrypt_head_space)(fastd_context *ctx); - size_t (*min_encrypt_tail_space)(fastd_context *ctx); - size_t (*min_decrypt_tail_space)(fastd_context *ctx); + size_t (*max_packet_size)(fastd_context_t *ctx); + size_t (*min_encrypt_head_space)(fastd_context_t *ctx); + size_t (*min_decrypt_head_space)(fastd_context_t *ctx); + size_t (*min_encrypt_tail_space)(fastd_context_t *ctx); + size_t (*min_decrypt_tail_space)(fastd_context_t *ctx); - fastd_method_session_state* (*session_init)(fastd_context *ctx, uint8_t *secret, size_t length, bool initiator); - bool (*session_is_valid)(fastd_context *ctx, fastd_method_session_state *session); - bool (*session_is_initiator)(fastd_context *ctx, fastd_method_session_state *session); - bool (*session_want_refresh)(fastd_context *ctx, fastd_method_session_state *session); - void (*session_free)(fastd_context *ctx, fastd_method_session_state *session); + fastd_method_session_state_t* (*session_init)(fastd_context_t *ctx, uint8_t *secret, size_t length, bool initiator); + bool (*session_is_valid)(fastd_context_t *ctx, fastd_method_session_state_t *session); + bool (*session_is_initiator)(fastd_context_t *ctx, fastd_method_session_state_t *session); + bool (*session_want_refresh)(fastd_context_t *ctx, fastd_method_session_state_t *session); + void (*session_free)(fastd_context_t *ctx, fastd_method_session_state_t *session); - bool (*encrypt)(fastd_context *ctx, fastd_peer *peer, fastd_method_session_state *session, fastd_buffer *out, fastd_buffer in); - bool (*decrypt)(fastd_context *ctx, fastd_peer *peer, fastd_method_session_state *session, fastd_buffer *out, fastd_buffer in); + bool (*encrypt)(fastd_context_t *ctx, fastd_peer_t *peer, fastd_method_session_state_t *session, fastd_buffer_t *out, fastd_buffer_t in); + bool (*decrypt)(fastd_context_t *ctx, fastd_peer_t *peer, fastd_method_session_state_t *session, fastd_buffer_t *out, fastd_buffer_t in); }; -union _fastd_peer_address { +union fastd_peer_address { struct sockaddr sa; struct sockaddr_in in; struct sockaddr_in6 in6; }; -struct _fastd_resolve_return { +struct fastd_resolve_return { char *hostname; - fastd_peer_address constraints; + fastd_peer_address_t constraints; - fastd_peer_address addr; + fastd_peer_address_t addr; }; -struct _fastd_log_file { - fastd_log_file *next; +struct fastd_log_file { + fastd_log_file_t *next; int level; char *filename; }; -struct _fastd_log_fd { - fastd_log_fd *next; +struct fastd_log_fd { + fastd_log_fd_t *next; - fastd_log_file *config; + fastd_log_file_t *config; int fd; }; -struct _fastd_bind_address { - fastd_bind_address *next; - fastd_peer_address addr; +struct fastd_bind_address { + fastd_bind_address_t *next; + fastd_peer_address_t addr; char *bindtodev; }; -struct _fastd_socket { +struct fastd_socket { int fd; - const fastd_bind_address *addr; - fastd_peer *peer; + const fastd_bind_address_t *addr; + fastd_peer_t *peer; }; -struct _fastd_peer_group_config { - fastd_peer_group_config *next; - fastd_peer_group_config *parent; - fastd_peer_group_config *children; +struct fastd_peer_group_config { + fastd_peer_group_config_t *next; + fastd_peer_group_config_t *parent; + fastd_peer_group_config_t *children; char *name; - fastd_string_stack *peer_dirs; + fastd_string_stack_t *peer_dirs; /* contraints */ unsigned max_connections; }; -struct _fastd_peer_group { - fastd_peer_group *next; - fastd_peer_group *parent; - fastd_peer_group *children; +struct fastd_peer_group { + fastd_peer_group_t *next; + fastd_peer_group_t *parent; + fastd_peer_group_t *children; - const fastd_peer_group_config *conf; + const fastd_peer_group_config_t *conf; unsigned n_connections; }; -struct _fastd_config { +struct fastd_config { int log_stderr_level; int log_syslog_level; char *log_syslog_ident; - fastd_log_file *log_files; + fastd_log_file_t *log_files; unsigned keepalive_interval; unsigned peer_stale_time; @@ -185,32 +185,32 @@ struct _fastd_config { char *ifname; unsigned n_bind_addrs; - fastd_bind_address *bind_addrs; + fastd_bind_address_t *bind_addrs; - fastd_bind_address *bind_addr_default_v4; - fastd_bind_address *bind_addr_default_v6; + fastd_bind_address_t *bind_addr_default_v4; + fastd_bind_address_t *bind_addr_default_v6; uint16_t mtu; - fastd_mode mode; + fastd_mode_t mode; bool forward; - const fastd_protocol *protocol; - const fastd_method *methods[MAX_METHODS]; - const fastd_method *method_default; + const fastd_protocol_t *protocol; + const fastd_method_t *methods[MAX_METHODS]; + const fastd_method_t *method_default; char *secret; unsigned key_valid; unsigned key_refresh; #ifdef USE_CRYPTO_AES128CTR - const fastd_crypto_aes128ctr *crypto_aes128ctr; + const fastd_crypto_aes128ctr_t *crypto_aes128ctr; #endif #ifdef USE_CRYPTO_GHASH - const fastd_crypto_ghash *crypto_ghash; + const fastd_crypto_ghash_t *crypto_ghash; #endif - fastd_peer_group_config *peer_group; - fastd_peer_config *peers; + fastd_peer_group_config_t *peer_group; + fastd_peer_config_t *peers; unsigned n_floating; unsigned n_v4; @@ -219,7 +219,7 @@ struct _fastd_config { unsigned n_dynamic_v4; unsigned n_dynamic_v6; - fastd_protocol_config *protocol_config; + fastd_protocol_config_t *protocol_config; char *on_up; char *on_up_dir; @@ -241,19 +241,19 @@ struct _fastd_config { bool show_key; }; -struct _fastd_context { - const fastd_config *conf; +struct fastd_context { + const fastd_config_t *conf; - fastd_log_fd *log_files; + fastd_log_fd_t *log_files; char *ifname; struct timespec now; unsigned n_peers; - fastd_peer_group *peer_group; - fastd_peer *peers; - fastd_queue task_queue; + fastd_peer_group_t *peer_group; + fastd_peer_t *peers; + fastd_queue_t task_queue; int resolverfd; int resolvewfd; @@ -261,61 +261,61 @@ struct _fastd_context { int tunfd; unsigned n_socks; - fastd_socket *socks; + fastd_socket_t *socks; - fastd_socket *sock_default_v4; - fastd_socket *sock_default_v6; + fastd_socket_t *sock_default_v4; + fastd_socket_t *sock_default_v6; #ifdef USE_CRYPTO_AES128CTR - fastd_crypto_aes128ctr_context *crypto_aes128ctr; + fastd_crypto_aes128ctr_context_t *crypto_aes128ctr; #endif #ifdef USE_CRYPTO_GHASH - fastd_crypto_ghash_context *crypto_ghash; + fastd_crypto_ghash_context_t *crypto_ghash; #endif size_t eth_addr_size; size_t n_eth_addr; - fastd_peer_eth_addr *eth_addr; + fastd_peer_eth_addr_t *eth_addr; unsigned int randseed; - fastd_protocol_state *protocol_state; + fastd_protocol_state_t *protocol_state; }; -struct _fastd_string_stack { - fastd_string_stack *next; +struct fastd_string_stack { + fastd_string_stack_t *next; char str[]; }; -void fastd_send(fastd_context *ctx, const fastd_socket *sock, const fastd_peer_address *address, fastd_buffer buffer); -void fastd_send_handshake(fastd_context *ctx, const fastd_socket *sock, const fastd_peer_address *address, fastd_buffer buffer); -void fastd_handle_receive(fastd_context *ctx, fastd_peer *peer, fastd_buffer buffer); +void fastd_send(fastd_context_t *ctx, const fastd_socket_t *sock, const fastd_peer_address_t *address, fastd_buffer_t buffer); +void fastd_send_handshake(fastd_context_t *ctx, const fastd_socket_t *sock, const fastd_peer_address_t *address, fastd_buffer_t buffer); +void fastd_handle_receive(fastd_context_t *ctx, fastd_peer_t *peer, fastd_buffer_t buffer); -fastd_socket* fastd_socket_open(fastd_context *ctx, fastd_peer *peer, int af); +fastd_socket_t* fastd_socket_open(fastd_context_t *ctx, fastd_peer_t *peer, int af); -void fastd_resolve_peer(fastd_context *ctx, fastd_peer *peer); +void fastd_resolve_peer(fastd_context_t *ctx, fastd_peer_t *peer); -int fastd_vsnprintf(const fastd_context *ctx, char *buffer, size_t size, const char *format, va_list ap); -void fastd_logf(const fastd_context *ctx, int level, const char *format, ...); +int fastd_vsnprintf(const fastd_context_t *ctx, char *buffer, size_t size, const char *format, va_list ap); +void fastd_logf(const fastd_context_t *ctx, int level, const char *format, ...); -void fastd_read_peer_dir(fastd_context *ctx, fastd_config *conf, const char *dir); -bool fastd_read_config(fastd_context *ctx, fastd_config *conf, const char *filename, bool peer_config, int depth); +void fastd_read_peer_dir(fastd_context_t *ctx, fastd_config_t *conf, const char *dir); +bool fastd_read_config(fastd_context_t *ctx, fastd_config_t *conf, const char *filename, bool peer_config, int depth); -bool fastd_config_protocol(fastd_context *ctx, fastd_config *conf, const char *name); -bool fastd_config_method(fastd_context *ctx, fastd_config *conf, const char *name); -bool fastd_config_crypto(fastd_context *ctx, fastd_config *conf, const char *alg, const char *impl); -bool fastd_config_add_log_file(fastd_context *ctx, fastd_config *conf, const char *name, int level); -void fastd_config_bind_address(fastd_context *ctx, fastd_config *conf, const fastd_peer_address *address, const char *bindtodev, bool default_v4, bool default_v6); -void fastd_config_peer_group_push(fastd_context *ctx, fastd_config *conf, const char *name); -void fastd_config_peer_group_pop(fastd_context *ctx, fastd_config *conf); -void fastd_configure(fastd_context *ctx, fastd_config *conf, int argc, char *const argv[]); -void fastd_reconfigure(fastd_context *ctx, fastd_config *conf); -void fastd_config_release(fastd_context *ctx, fastd_config *conf); +bool fastd_config_protocol(fastd_context_t *ctx, fastd_config_t *conf, const char *name); +bool fastd_config_method(fastd_context_t *ctx, fastd_config_t *conf, const char *name); +bool fastd_config_crypto(fastd_context_t *ctx, fastd_config_t *conf, const char *alg, const char *impl); +bool fastd_config_add_log_file(fastd_context_t *ctx, fastd_config_t *conf, const char *name, int level); +void fastd_config_bind_address(fastd_context_t *ctx, fastd_config_t *conf, const fastd_peer_address_t *address, const char *bindtodev, bool default_v4, bool default_v6); +void fastd_config_peer_group_push(fastd_context_t *ctx, fastd_config_t *conf, const char *name); +void fastd_config_peer_group_pop(fastd_context_t *ctx, fastd_config_t *conf); +void fastd_config_release(fastd_context_t *ctx, fastd_config_t *conf); +void fastd_configure(fastd_context_t *ctx, fastd_config_t *conf, int argc, char *const argv[]); +void fastd_reconfigure(fastd_context_t *ctx, fastd_config_t *conf); -void fastd_random_bytes(fastd_context *ctx, void *buffer, size_t len, bool secure); +void fastd_random_bytes(fastd_context_t *ctx, void *buffer, size_t len, bool secure); -static inline int fastd_rand(fastd_context *ctx, int min, int max) { +static inline int fastd_rand(fastd_context_t *ctx, int min, int max) { unsigned int r = (unsigned int)rand_r(&ctx->randseed); return (r%(max-min) + min); } @@ -348,20 +348,20 @@ static inline size_t alignto(size_t l, size_t a) { return ((l+a-1)/a)*a; } -static inline fastd_buffer fastd_buffer_alloc(size_t len, size_t head_space, size_t tail_space) { +static inline fastd_buffer_t fastd_buffer_alloc(size_t len, size_t head_space, size_t tail_space) { size_t base_len = head_space+len+tail_space; void *ptr; if (posix_memalign(&ptr, 16, base_len)) - return (fastd_buffer){ .base = NULL, .base_len = 0, .data = NULL, .len = 0 }; + return (fastd_buffer_t){ .base = NULL, .base_len = 0, .data = NULL, .len = 0 }; - return (fastd_buffer){ .base = ptr, .base_len = base_len, .data = ptr+head_space, .len = len }; + return (fastd_buffer_t){ .base = ptr, .base_len = base_len, .data = ptr+head_space, .len = len }; } -static inline void fastd_buffer_free(fastd_buffer buffer) { +static inline void fastd_buffer_free(fastd_buffer_t buffer) { free(buffer.base); } -static inline void fastd_buffer_pull_head(fastd_buffer *buffer, size_t len) { +static inline void fastd_buffer_pull_head(fastd_buffer_t *buffer, size_t len) { buffer->data -= len; buffer->len += len; @@ -369,7 +369,7 @@ static inline void fastd_buffer_pull_head(fastd_buffer *buffer, size_t len) { abort(); } -static inline void fastd_buffer_push_head(fastd_buffer *buffer, size_t len) { +static inline void fastd_buffer_push_head(fastd_buffer_t *buffer, size_t len) { if (buffer->len < len) abort(); @@ -377,7 +377,7 @@ static inline void fastd_buffer_push_head(fastd_buffer *buffer, size_t len) { buffer->len -= len; } -static inline size_t fastd_max_packet_size(const fastd_context *ctx) { +static inline size_t fastd_max_packet_size(const fastd_context_t *ctx) { switch (ctx->conf->mode) { case MODE_TAP: return ctx->conf->mtu+ETH_HLEN; @@ -388,17 +388,17 @@ static inline size_t fastd_max_packet_size(const fastd_context *ctx) { } } -static inline fastd_string_stack* fastd_string_stack_dup(const char *str) { - fastd_string_stack *ret = malloc(sizeof(fastd_string_stack) + strlen(str) + 1); +static inline fastd_string_stack_t* fastd_string_stack_dup(const char *str) { + fastd_string_stack_t *ret = malloc(sizeof(fastd_string_stack_t) + strlen(str) + 1); ret->next = NULL; strcpy(ret->str, str); return ret; } -static inline fastd_string_stack* fastd_string_stack_dupn(const char *str, size_t len) { +static inline fastd_string_stack_t* fastd_string_stack_dupn(const char *str, size_t len) { size_t str_len = strnlen(str, len); - fastd_string_stack *ret = malloc(sizeof(fastd_string_stack) + str_len + 1); + fastd_string_stack_t *ret = malloc(sizeof(fastd_string_stack_t) + str_len + 1); ret->next = NULL; strncpy(ret->str, str, str_len); ret->str[str_len] = 0; @@ -406,23 +406,23 @@ static inline fastd_string_stack* fastd_string_stack_dupn(const char *str, size_ return ret; } -static inline fastd_string_stack* fastd_string_stack_push(fastd_string_stack *stack, const char *str) { - fastd_string_stack *ret = malloc(sizeof(fastd_string_stack) + strlen(str) + 1); +static inline fastd_string_stack_t* fastd_string_stack_push(fastd_string_stack_t *stack, const char *str) { + fastd_string_stack_t *ret = malloc(sizeof(fastd_string_stack_t) + strlen(str) + 1); ret->next = stack; strcpy(ret->str, str); return ret; } -static inline void fastd_string_stack_free(fastd_string_stack *str) { +static inline void fastd_string_stack_free(fastd_string_stack_t *str) { while(str) { - fastd_string_stack *next = str->next; + fastd_string_stack_t *next = str->next; free(str); str = next; } } -static inline void fastd_socket_close(fastd_context *ctx, fastd_socket *sock) { +static inline void fastd_socket_close(fastd_context_t *ctx, fastd_socket_t *sock) { if (sock->fd >= 0) { if(close(sock->fd)) pr_error_errno(ctx, "closing socket: close"); |