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f55ea8bb3d
structure that is more generic than just 'IP/port'.
It now passes make test, and has been reviewed and updated by
metze. (Thankyou *very* much).
This passes 'make test' as well as kerberos use (not currently in the
testsuite).
The original purpose of this patch was to have Samba able to pass a
socket address stucture from the BSD layer into the kerberos routines
and back again. It also removes nbt_peer_addr, which was being used
for a similar purpose.
It is a large change, but worthwhile I feel.
Andrew Bartlett
(This used to be commit 88198c4881)
188 lines
6.9 KiB
C
188 lines
6.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Socket functions
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Copyright (C) Stefan Metzmacher 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _SAMBA_SOCKET_H
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#define _SAMBA_SOCKET_H
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struct socket_context;
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enum socket_type {
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SOCKET_TYPE_STREAM,
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SOCKET_TYPE_DGRAM
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};
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struct socket_address {
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const char *family;
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char *addr;
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int port;
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struct sockaddr *sockaddr;
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size_t sockaddrlen;
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};
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struct socket_ops {
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const char *name;
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NTSTATUS (*fn_init)(struct socket_context *sock);
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/* client ops */
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NTSTATUS (*fn_connect)(struct socket_context *sock,
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const struct socket_address *my_address,
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const struct socket_address *server_address,
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uint32_t flags);
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/* complete a non-blocking connect */
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NTSTATUS (*fn_connect_complete)(struct socket_context *sock,
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uint32_t flags);
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/* server ops */
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NTSTATUS (*fn_listen)(struct socket_context *sock,
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const struct socket_address *my_address,
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int queue_size, uint32_t flags);
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NTSTATUS (*fn_accept)(struct socket_context *sock,
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struct socket_context **new_sock);
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/* general ops */
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NTSTATUS (*fn_recv)(struct socket_context *sock, void *buf,
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size_t wantlen, size_t *nread, uint32_t flags);
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NTSTATUS (*fn_send)(struct socket_context *sock,
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const DATA_BLOB *blob, size_t *sendlen, uint32_t flags);
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NTSTATUS (*fn_sendto)(struct socket_context *sock,
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const DATA_BLOB *blob, size_t *sendlen, uint32_t flags,
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const struct socket_address *dest_addr);
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NTSTATUS (*fn_recvfrom)(struct socket_context *sock,
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void *buf, size_t wantlen, size_t *nread, uint32_t flags,
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TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
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NTSTATUS (*fn_pending)(struct socket_context *sock, size_t *npending);
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void (*fn_close)(struct socket_context *sock);
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NTSTATUS (*fn_set_option)(struct socket_context *sock, const char *option, const char *val);
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char *(*fn_get_peer_name)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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struct socket_address *(*fn_get_peer_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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struct socket_address *(*fn_get_my_addr)(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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int (*fn_get_fd)(struct socket_context *sock);
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};
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enum socket_state {
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SOCKET_STATE_UNDEFINED,
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SOCKET_STATE_CLIENT_START,
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SOCKET_STATE_CLIENT_CONNECTED,
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SOCKET_STATE_CLIENT_STARTTLS,
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SOCKET_STATE_CLIENT_ERROR,
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SOCKET_STATE_SERVER_LISTEN,
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SOCKET_STATE_SERVER_CONNECTED,
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SOCKET_STATE_SERVER_STARTTLS,
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SOCKET_STATE_SERVER_ERROR
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};
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#define SOCKET_FLAG_BLOCK 0x00000001
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#define SOCKET_FLAG_PEEK 0x00000002
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#define SOCKET_FLAG_TESTNONBLOCK 0x00000004
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struct socket_context {
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enum socket_type type;
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enum socket_state state;
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uint32_t flags;
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int fd;
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void *private_data;
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const struct socket_ops *ops;
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const char *backend_name;
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};
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/* prototypes */
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NTSTATUS socket_create(const char *name, enum socket_type type,
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struct socket_context **new_sock, uint32_t flags);
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NTSTATUS socket_connect(struct socket_context *sock,
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const struct socket_address *my_address,
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const struct socket_address *server_address,
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uint32_t flags);
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NTSTATUS socket_connect_complete(struct socket_context *sock, uint32_t flags);
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NTSTATUS socket_listen(struct socket_context *sock,
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const struct socket_address *my_address,
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int queue_size, uint32_t flags);
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NTSTATUS socket_accept(struct socket_context *sock, struct socket_context **new_sock);
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NTSTATUS socket_recv(struct socket_context *sock, void *buf,
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size_t wantlen, size_t *nread, uint32_t flags);
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NTSTATUS socket_recvfrom(struct socket_context *sock, void *buf,
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size_t wantlen, size_t *nread, uint32_t flags,
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TALLOC_CTX *addr_ctx, struct socket_address **src_addr);
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NTSTATUS socket_send(struct socket_context *sock,
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const DATA_BLOB *blob, size_t *sendlen, uint32_t flags);
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NTSTATUS socket_sendto(struct socket_context *sock,
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const DATA_BLOB *blob, size_t *sendlen, uint32_t flags,
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const struct socket_address *dest_addr);
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NTSTATUS socket_pending(struct socket_context *sock, size_t *npending);
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NTSTATUS socket_set_option(struct socket_context *sock, const char *option, const char *val);
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char *socket_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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struct socket_address *socket_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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struct socket_address *socket_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx);
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int socket_get_fd(struct socket_context *sock);
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NTSTATUS socket_dup(struct socket_context *sock);
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struct socket_address *socket_address_from_strings(TALLOC_CTX *mem_ctx,
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const char *type,
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const char *host,
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int port);
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struct socket_address *socket_address_from_sockaddr(TALLOC_CTX *mem_ctx,
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struct sockaddr *sockaddr,
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size_t addrlen);
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const struct socket_ops *socket_getops_byname(const char *name, enum socket_type type);
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BOOL allow_access(TALLOC_CTX *mem_ctx,
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const char **deny_list, const char **allow_list,
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const char *cname, const char *caddr);
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BOOL socket_check_access(struct socket_context *sock,
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const char *service_name,
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const char **allow_list, const char **deny_list);
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struct composite_context *socket_connect_send(struct socket_context *sock,
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struct socket_address *my_address,
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struct socket_address *server_address,
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uint32_t flags,
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struct event_context *event_ctx);
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NTSTATUS socket_connect_recv(struct composite_context *ctx);
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NTSTATUS socket_connect_ev(struct socket_context *sock,
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struct socket_address *my_address,
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struct socket_address *server_address,
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uint32_t flags, struct event_context *ev);
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struct composite_context *socket_connect_multi_send(TALLOC_CTX *mem_ctx,
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const char *server_address,
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int num_server_ports,
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uint16_t *server_ports,
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struct event_context *event_ctx);
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NTSTATUS socket_connect_multi_recv(struct composite_context *ctx,
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TALLOC_CTX *mem_ctx,
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struct socket_context **result,
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uint16_t *port);
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NTSTATUS socket_connect_multi(TALLOC_CTX *mem_ctx, const char *server_address,
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int num_server_ports, uint16_t *server_ports,
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struct event_context *event_ctx,
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struct socket_context **result,
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uint16_t *port);
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#endif /* _SAMBA_SOCKET_H */
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