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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source4/lib/socket/socket.h
parentInitial commit. (diff)
downloadsamba-upstream.tar.xz
samba-upstream.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--source4/lib/socket/socket.h256
1 files changed, 256 insertions, 0 deletions
diff --git a/source4/lib/socket/socket.h b/source4/lib/socket/socket.h
new file mode 100644
index 0000000..d0fb5e0
--- /dev/null
+++ b/source4/lib/socket/socket.h
@@ -0,0 +1,256 @@
+/*
+ Unix SMB/CIFS implementation.
+ Socket functions
+ Copyright (C) Stefan Metzmacher 2004
+
+ 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/>.
+*/
+
+#ifndef _SAMBA_SOCKET_H
+#define _SAMBA_SOCKET_H
+
+struct tevent_context;
+struct tevent_fd;
+struct socket_context;
+
+enum socket_type {
+ SOCKET_TYPE_STREAM,
+ SOCKET_TYPE_DGRAM
+};
+
+struct socket_address {
+ const char *family;
+ char *addr;
+ int port;
+ struct sockaddr *sockaddr;
+ size_t sockaddrlen;
+};
+
+struct socket_ops {
+ const char *name;
+
+ NTSTATUS (*fn_init)(struct socket_context *sock);
+
+ /* client ops */
+ NTSTATUS (*fn_connect)(struct socket_context *sock,
+ const struct socket_address *my_address,
+ const struct socket_address *server_address,
+ uint32_t flags);
+
+ /* complete a non-blocking connect */
+ NTSTATUS (*fn_connect_complete)(struct socket_context *sock,
+ uint32_t flags);
+
+ /* server ops */
+ NTSTATUS (*fn_listen)(struct socket_context *sock,
+ const struct socket_address *my_address,
+ int queue_size, uint32_t flags);
+ NTSTATUS (*fn_accept)(struct socket_context *sock,
+ struct socket_context **new_sock);
+
+ /* general ops */
+ NTSTATUS (*fn_recv)(struct socket_context *sock, void *buf,
+ size_t wantlen, size_t *nread);
+ NTSTATUS (*fn_send)(struct socket_context *sock,
+ const DATA_BLOB *blob, size_t *sendlen);
+
+ NTSTATUS (*fn_sendto)(struct socket_context *sock,
+ const DATA_BLOB *blob, size_t *sendlen,
+ const struct socket_address *dest_addr);
+ NTSTATUS (*fn_recvfrom)(struct socket_context *sock,
+ void *buf, size_t wantlen, size_t *nread,
+ TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
+ NTSTATUS (*fn_pending)(struct socket_context *sock, size_t *npending);
+
+ void (*fn_close)(struct socket_context *sock);
+
+ NTSTATUS (*fn_set_option)(struct socket_context *sock, const char *option, const char *val);
+
+ char *(*fn_get_peer_name)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+ struct socket_address *(*fn_get_peer_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+ struct socket_address *(*fn_get_my_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+
+ int (*fn_get_fd)(struct socket_context *sock);
+};
+
+enum socket_state {
+ SOCKET_STATE_UNDEFINED,
+
+ SOCKET_STATE_CLIENT_START,
+ SOCKET_STATE_CLIENT_CONNECTED,
+ SOCKET_STATE_CLIENT_STARTTLS,
+ SOCKET_STATE_CLIENT_ERROR,
+
+ SOCKET_STATE_SERVER_LISTEN,
+ SOCKET_STATE_SERVER_CONNECTED,
+ SOCKET_STATE_SERVER_STARTTLS,
+ SOCKET_STATE_SERVER_ERROR
+};
+
+#define SOCKET_FLAG_PEEK 0x00000002
+#define SOCKET_FLAG_TESTNONBLOCK 0x00000004
+#define SOCKET_FLAG_ENCRYPT 0x00000008 /* This socket
+ * implementation requires
+ * that re-sends be
+ * consistant, because it
+ * is encrypting data.
+ * This modifies the
+ * TESTNONBLOCK case */
+#define SOCKET_FLAG_NOCLOSE 0x00000010 /* don't auto-close on free */
+
+
+struct socket_context {
+ enum socket_type type;
+ enum socket_state state;
+ uint32_t flags;
+
+ int fd;
+
+ void *private_data;
+ const struct socket_ops *ops;
+ const char *backend_name;
+
+ /* specific to the ip backend */
+ int family;
+};
+
+struct resolve_context;
+struct tsocket_address;
+
+/* prototypes */
+NTSTATUS socket_create_with_ops(TALLOC_CTX *mem_ctx, const struct socket_ops *ops,
+ struct socket_context **new_sock,
+ enum socket_type type, uint32_t flags);
+NTSTATUS socket_create(TALLOC_CTX *mem_ctx,
+ const char *name, enum socket_type type,
+ struct socket_context **new_sock, uint32_t flags);
+NTSTATUS socket_connect(struct socket_context *sock,
+ const struct socket_address *my_address,
+ const struct socket_address *server_address,
+ uint32_t flags);
+NTSTATUS socket_connect_complete(struct socket_context *sock, uint32_t flags);
+NTSTATUS socket_listen(struct socket_context *sock,
+ const struct socket_address *my_address,
+ int queue_size, uint32_t flags);
+NTSTATUS socket_accept(struct socket_context *sock, struct socket_context **new_sock);
+NTSTATUS socket_recv(struct socket_context *sock, void *buf,
+ size_t wantlen, size_t *nread);
+NTSTATUS socket_recvfrom(struct socket_context *sock, void *buf,
+ size_t wantlen, size_t *nread,
+ TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
+NTSTATUS socket_send(struct socket_context *sock,
+ const DATA_BLOB *blob, size_t *sendlen);
+NTSTATUS socket_sendto(struct socket_context *sock,
+ const DATA_BLOB *blob, size_t *sendlen,
+ const struct socket_address *dest_addr);
+NTSTATUS socket_pending(struct socket_context *sock, size_t *npending);
+NTSTATUS socket_set_option(struct socket_context *sock, const char *option, const char *val);
+char *socket_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct socket_address *socket_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct socket_address *socket_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct tsocket_address *socket_address_to_tsocket_address(TALLOC_CTX *mem_ctx,
+ const struct socket_address *a);
+struct socket_address *tsocket_address_to_socket_address(TALLOC_CTX *mem_ctx,
+ const struct tsocket_address *a);
+struct tsocket_address *socket_get_remote_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+struct tsocket_address *socket_get_local_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
+int socket_get_fd(struct socket_context *sock);
+NTSTATUS socket_dup(struct socket_context *sock);
+struct socket_address *socket_address_from_strings(TALLOC_CTX *mem_ctx,
+ const char *type,
+ const char *host,
+ int port);
+struct socket_address *socket_address_from_sockaddr(TALLOC_CTX *mem_ctx,
+ struct sockaddr *sockaddr,
+ size_t addrlen);
+struct sockaddr_storage;
+struct socket_address *socket_address_from_sockaddr_storage(TALLOC_CTX *mem_ctx,
+ const struct sockaddr_storage *sockaddr,
+ uint16_t port);
+_PUBLIC_ void socket_address_set_port(struct socket_address *a,
+ uint16_t port);
+struct socket_address *socket_address_copy(TALLOC_CTX *mem_ctx,
+ const struct socket_address *oaddr);
+const struct socket_ops *socket_getops_byname(const char *name, enum socket_type type);
+bool socket_check_access(struct socket_context *sock,
+ const char *service_name,
+ const char **allow_list, const char **deny_list);
+
+struct composite_context *socket_connect_send(struct socket_context *sock,
+ struct socket_address *my_address,
+ struct socket_address *server_address,
+ uint32_t flags,
+ struct tevent_context *event_ctx);
+NTSTATUS socket_connect_recv(struct composite_context *ctx);
+NTSTATUS socket_connect_ev(struct socket_context *sock,
+ struct socket_address *my_address,
+ struct socket_address *server_address,
+ uint32_t flags,
+ struct tevent_context *ev);
+
+struct socket_connect_multi_ex {
+ void *private_data;
+ struct tevent_req *(*establish_send)(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct socket_context *sock,
+ struct socket_address *addr,
+ void *private_data);
+ NTSTATUS (*establish_recv)(struct tevent_req *req);
+};
+struct composite_context *socket_connect_multi_ex_send(TALLOC_CTX *mem_ctx,
+ const char *server_address,
+ int num_server_ports,
+ uint16_t *server_ports,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *event_ctx,
+ struct socket_connect_multi_ex *ex);
+NTSTATUS socket_connect_multi_ex_recv(struct composite_context *ctx,
+ TALLOC_CTX *mem_ctx,
+ struct socket_context **result,
+ uint16_t *port);
+NTSTATUS socket_connect_multi_ex(TALLOC_CTX *mem_ctx, const char *server_address,
+ int num_server_ports, uint16_t *server_ports,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *event_ctx,
+ struct socket_connect_multi_ex *ex,
+ struct socket_context **result,
+ uint16_t *port);
+
+struct composite_context *socket_connect_multi_send(TALLOC_CTX *mem_ctx,
+ const char *server_address,
+ int num_server_ports,
+ uint16_t *server_ports,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *event_ctx);
+NTSTATUS socket_connect_multi_recv(struct composite_context *ctx,
+ TALLOC_CTX *mem_ctx,
+ struct socket_context **result,
+ uint16_t *port);
+NTSTATUS socket_connect_multi(TALLOC_CTX *mem_ctx, const char *server_address,
+ int num_server_ports, uint16_t *server_ports,
+ struct resolve_context *resolve_ctx,
+ struct tevent_context *event_ctx,
+ struct socket_context **result,
+ uint16_t *port);
+void set_socket_options(int fd, const char *options);
+void socket_set_flags(struct socket_context *sock, unsigned flags);
+
+void socket_tevent_fd_close_fn(struct tevent_context *ev,
+ struct tevent_fd *fde,
+ int fd,
+ void *private_data);
+
+extern bool testnonblock;
+
+#endif /* _SAMBA_SOCKET_H */