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Diffstat (limited to 'source4/lib/socket/socket_ipv4.c')
-rw-r--r--source4/lib/socket/socket_ipv4.c539
1 files changed, 0 insertions, 539 deletions
diff --git a/source4/lib/socket/socket_ipv4.c b/source4/lib/socket/socket_ipv4.c
deleted file mode 100644
index d9a4ff0bd1..0000000000
--- a/source4/lib/socket/socket_ipv4.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Socket IPv4 functions
-
- Copyright (C) Stefan Metzmacher 2004
- Copyright (C) Andrew Tridgell 2004-2005
-
- This program 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.
-
- This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "system/filesys.h"
-#include "lib/socket/socket.h"
-#include "system/network.h"
-
-static NTSTATUS ipv4_init(struct socket_context *sock)
-{
- int type;
-
- switch (sock->type) {
- case SOCKET_TYPE_STREAM:
- type = SOCK_STREAM;
- break;
- case SOCKET_TYPE_DGRAM:
- type = SOCK_DGRAM;
- break;
- default:
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- sock->fd = socket(PF_INET, type, 0);
- if (sock->fd == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- sock->backend_name = "ipv4";
-
- return NT_STATUS_OK;
-}
-
-static void ipv4_close(struct socket_context *sock)
-{
- close(sock->fd);
-}
-
-static NTSTATUS ipv4_connect_complete(struct socket_context *sock, uint32_t flags)
-{
- int error=0, ret;
- socklen_t len = sizeof(error);
-
- /* check for any errors that may have occurred - this is needed
- for non-blocking connect */
- ret = getsockopt(sock->fd, SOL_SOCKET, SO_ERROR, &error, &len);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- if (error != 0) {
- return map_nt_error_from_unix(error);
- }
-
- if (!(flags & SOCKET_FLAG_BLOCK)) {
- ret = set_blocking(sock->fd, False);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- }
-
- sock->state = SOCKET_STATE_CLIENT_CONNECTED;
-
- return NT_STATUS_OK;
-}
-
-
-static NTSTATUS ipv4_connect(struct socket_context *sock,
- const struct socket_address *my_address,
- const struct socket_address *srv_address,
- uint32_t flags)
-{
- struct sockaddr_in srv_addr;
- struct ipv4_addr my_ip;
- struct ipv4_addr srv_ip;
- int ret;
-
- if (my_address && my_address->sockaddr) {
- ret = bind(sock->fd, my_address->sockaddr, my_address->sockaddrlen);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- } else if (my_address) {
- my_ip = interpret_addr2(my_address->addr);
-
- if (my_ip.addr != 0 || my_address->port != 0) {
- struct sockaddr_in my_addr;
- ZERO_STRUCT(my_addr);
-#ifdef HAVE_SOCK_SIN_LEN
- my_addr.sin_len = sizeof(my_addr);
-#endif
- my_addr.sin_addr.s_addr = my_ip.addr;
- my_addr.sin_port = htons(my_address->port);
- my_addr.sin_family = PF_INET;
-
- ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- }
- }
-
- if (srv_address->sockaddr) {
- ret = connect(sock->fd, srv_address->sockaddr, srv_address->sockaddrlen);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- } else {
- srv_ip = interpret_addr2(srv_address->addr);
- if (!srv_ip.addr) {
- return NT_STATUS_BAD_NETWORK_NAME;
- }
-
- ZERO_STRUCT(srv_addr);
-#ifdef HAVE_SOCK_SIN_LEN
- srv_addr.sin_len = sizeof(srv_addr);
-#endif
- srv_addr.sin_addr.s_addr= srv_ip.addr;
- srv_addr.sin_port = htons(srv_address->port);
- srv_addr.sin_family = PF_INET;
-
- ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- }
-
- return ipv4_connect_complete(sock, flags);
-}
-
-
-/*
- note that for simplicity of the API, socket_listen() is also
- use for DGRAM sockets, but in reality only a bind() is done
-*/
-static NTSTATUS ipv4_listen(struct socket_context *sock,
- const struct socket_address *my_address,
- int queue_size, uint32_t flags)
-{
- struct sockaddr_in my_addr;
- struct ipv4_addr ip_addr;
- int ret;
-
- socket_set_option(sock, "SO_REUSEADDR=1", NULL);
-
- if (my_address->sockaddr) {
- ret = bind(sock->fd, my_address->sockaddr, my_address->sockaddrlen);
- } else {
- ip_addr = interpret_addr2(my_address->addr);
-
- ZERO_STRUCT(my_addr);
-#ifdef HAVE_SOCK_SIN_LEN
- my_addr.sin_len = sizeof(my_addr);
-#endif
- my_addr.sin_addr.s_addr = ip_addr.addr;
- my_addr.sin_port = htons(my_address->port);
- my_addr.sin_family = PF_INET;
-
- ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
- }
-
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- if (sock->type == SOCKET_TYPE_STREAM) {
- ret = listen(sock->fd, queue_size);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- }
-
- if (!(flags & SOCKET_FLAG_BLOCK)) {
- ret = set_blocking(sock->fd, False);
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- }
-
- sock->state= SOCKET_STATE_SERVER_LISTEN;
-
- return NT_STATUS_OK;
-}
-
-static NTSTATUS ipv4_accept(struct socket_context *sock, struct socket_context **new_sock)
-{
- struct sockaddr_in cli_addr;
- socklen_t cli_addr_len = sizeof(cli_addr);
- int new_fd;
-
- if (sock->type != SOCKET_TYPE_STREAM) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
- if (new_fd == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- if (!(sock->flags & SOCKET_FLAG_BLOCK)) {
- int ret = set_blocking(new_fd, False);
- if (ret == -1) {
- close(new_fd);
- return map_nt_error_from_unix(errno);
- }
- }
-
- /* TODO: we could add a 'accept_check' hook here
- * which get the black/white lists via socket_set_accept_filter()
- * or something like that
- * --metze
- */
-
- (*new_sock) = talloc(NULL, struct socket_context);
- if (!(*new_sock)) {
- close(new_fd);
- return NT_STATUS_NO_MEMORY;
- }
-
- /* copy the socket_context */
- (*new_sock)->type = sock->type;
- (*new_sock)->state = SOCKET_STATE_SERVER_CONNECTED;
- (*new_sock)->flags = sock->flags;
-
- (*new_sock)->fd = new_fd;
-
- (*new_sock)->private_data = NULL;
- (*new_sock)->ops = sock->ops;
- (*new_sock)->backend_name = sock->backend_name;
-
- return NT_STATUS_OK;
-}
-
-static NTSTATUS ipv4_recv(struct socket_context *sock, void *buf,
- size_t wantlen, size_t *nread)
-{
- ssize_t gotlen;
-
- *nread = 0;
-
- gotlen = recv(sock->fd, buf, wantlen, 0);
- if (gotlen == 0) {
- return NT_STATUS_END_OF_FILE;
- } else if (gotlen == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- *nread = gotlen;
-
- return NT_STATUS_OK;
-}
-
-
-static NTSTATUS ipv4_recvfrom(struct socket_context *sock, void *buf,
- size_t wantlen, size_t *nread,
- TALLOC_CTX *addr_ctx, struct socket_address **_src)
-{
- ssize_t gotlen;
- struct sockaddr_in *from_addr;
- socklen_t from_len = sizeof(*from_addr);
- struct socket_address *src;
- const char *addr;
-
- src = talloc(addr_ctx, struct socket_address);
- if (!src) {
- return NT_STATUS_NO_MEMORY;
- }
-
- src->family = sock->backend_name;
-
- from_addr = talloc(src, struct sockaddr_in);
- if (!from_addr) {
- talloc_free(src);
- return NT_STATUS_NO_MEMORY;
- }
-
- src->sockaddr = (struct sockaddr *)from_addr;
-
- *nread = 0;
-
- gotlen = recvfrom(sock->fd, buf, wantlen, 0,
- src->sockaddr, &from_len);
- if (gotlen == 0) {
- talloc_free(src);
- return NT_STATUS_END_OF_FILE;
- } else if (gotlen == -1) {
- talloc_free(src);
- return map_nt_error_from_unix(errno);
- }
-
- src->sockaddrlen = from_len;
-
- addr = inet_ntoa(from_addr->sin_addr);
- if (addr == NULL) {
- talloc_free(src);
- return NT_STATUS_INTERNAL_ERROR;
- }
- src->addr = talloc_strdup(src, addr);
- if (src->addr == NULL) {
- talloc_free(src);
- return NT_STATUS_NO_MEMORY;
- }
- src->port = ntohs(from_addr->sin_port);
-
- *nread = gotlen;
- *_src = src;
- return NT_STATUS_OK;
-}
-
-static NTSTATUS ipv4_send(struct socket_context *sock,
- const DATA_BLOB *blob, size_t *sendlen)
-{
- ssize_t len;
-
- *sendlen = 0;
-
- len = send(sock->fd, blob->data, blob->length, 0);
- if (len == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- *sendlen = len;
-
- return NT_STATUS_OK;
-}
-
-static NTSTATUS ipv4_sendto(struct socket_context *sock,
- const DATA_BLOB *blob, size_t *sendlen,
- const struct socket_address *dest_addr)
-{
- ssize_t len;
-
- if (dest_addr->sockaddr) {
- len = sendto(sock->fd, blob->data, blob->length, 0,
- dest_addr->sockaddr, dest_addr->sockaddrlen);
- } else {
- struct sockaddr_in srv_addr;
- struct ipv4_addr addr;
-
- ZERO_STRUCT(srv_addr);
-#ifdef HAVE_SOCK_SIN_LEN
- srv_addr.sin_len = sizeof(srv_addr);
-#endif
- addr = interpret_addr2(dest_addr->addr);
- if (addr.addr == 0) {
- return NT_STATUS_HOST_UNREACHABLE;
- }
- srv_addr.sin_addr.s_addr = addr.addr;
- srv_addr.sin_port = htons(dest_addr->port);
- srv_addr.sin_family = PF_INET;
-
- *sendlen = 0;
-
- len = sendto(sock->fd, blob->data, blob->length, 0,
- (struct sockaddr *)&srv_addr, sizeof(srv_addr));
- }
- if (len == -1) {
- return map_nt_error_from_unix(errno);
- }
-
- *sendlen = len;
-
- return NT_STATUS_OK;
-}
-
-static NTSTATUS ipv4_set_option(struct socket_context *sock, const char *option, const char *val)
-{
- set_socket_options(sock->fd, option);
- return NT_STATUS_OK;
-}
-
-static char *ipv4_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx)
-{
- struct sockaddr_in peer_addr;
- socklen_t len = sizeof(peer_addr);
- struct hostent *he;
- int ret;
-
- ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
- if (ret == -1) {
- return NULL;
- }
-
- he = gethostbyaddr((char *)&peer_addr.sin_addr, sizeof(peer_addr.sin_addr), AF_INET);
- if (he == NULL) {
- return NULL;
- }
-
- return talloc_strdup(mem_ctx, he->h_name);
-}
-
-static struct socket_address *ipv4_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
-{
- struct sockaddr_in *peer_addr;
- socklen_t len = sizeof(*peer_addr);
- const char *addr;
- struct socket_address *peer;
- int ret;
-
- peer = talloc(mem_ctx, struct socket_address);
- if (!peer) {
- return NULL;
- }
-
- peer->family = sock->backend_name;
- peer_addr = talloc(peer, struct sockaddr_in);
- if (!peer_addr) {
- talloc_free(peer);
- return NULL;
- }
-
- peer->sockaddr = (struct sockaddr *)peer_addr;
-
- ret = getpeername(sock->fd, peer->sockaddr, &len);
- if (ret == -1) {
- talloc_free(peer);
- return NULL;
- }
-
- peer->sockaddrlen = len;
-
- addr = inet_ntoa(peer_addr->sin_addr);
- if (addr == NULL) {
- talloc_free(peer);
- return NULL;
- }
- peer->addr = talloc_strdup(peer, addr);
- if (!peer->addr) {
- talloc_free(peer);
- return NULL;
- }
- peer->port = ntohs(peer_addr->sin_port);
-
- return peer;
-}
-
-static struct socket_address *ipv4_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
-{
- struct sockaddr_in *local_addr;
- socklen_t len = sizeof(*local_addr);
- const char *addr;
- struct socket_address *local;
- int ret;
-
- local = talloc(mem_ctx, struct socket_address);
- if (!local) {
- return NULL;
- }
-
- local->family = sock->backend_name;
- local_addr = talloc(local, struct sockaddr_in);
- if (!local_addr) {
- talloc_free(local);
- return NULL;
- }
-
- local->sockaddr = (struct sockaddr *)local_addr;
-
- ret = getsockname(sock->fd, local->sockaddr, &len);
- if (ret == -1) {
- talloc_free(local);
- return NULL;
- }
-
- local->sockaddrlen = len;
-
- addr = inet_ntoa(local_addr->sin_addr);
- if (addr == NULL) {
- talloc_free(local);
- return NULL;
- }
- local->addr = talloc_strdup(local, addr);
- if (!local->addr) {
- talloc_free(local);
- return NULL;
- }
- local->port = ntohs(local_addr->sin_port);
-
- return local;
-}
-static int ipv4_get_fd(struct socket_context *sock)
-{
- return sock->fd;
-}
-
-static NTSTATUS ipv4_pending(struct socket_context *sock, size_t *npending)
-{
- int value = 0;
- if (ioctl(sock->fd, FIONREAD, &value) == 0) {
- *npending = value;
- return NT_STATUS_OK;
- }
- return map_nt_error_from_unix(errno);
-}
-
-static const struct socket_ops ipv4_ops = {
- .name = "ipv4",
- .fn_init = ipv4_init,
- .fn_connect = ipv4_connect,
- .fn_connect_complete = ipv4_connect_complete,
- .fn_listen = ipv4_listen,
- .fn_accept = ipv4_accept,
- .fn_recv = ipv4_recv,
- .fn_recvfrom = ipv4_recvfrom,
- .fn_send = ipv4_send,
- .fn_sendto = ipv4_sendto,
- .fn_pending = ipv4_pending,
- .fn_close = ipv4_close,
-
- .fn_set_option = ipv4_set_option,
-
- .fn_get_peer_name = ipv4_get_peer_name,
- .fn_get_peer_addr = ipv4_get_peer_addr,
- .fn_get_my_addr = ipv4_get_my_addr,
- .fn_get_fd = ipv4_get_fd
-};
-
-const struct socket_ops *socket_ipv4_ops(enum socket_type type)
-{
- return &ipv4_ops;
-}
generated by cgit (git 2.34.1) at 2025-01-02 15:21:53 +0000