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Diffstat (limited to '')
| -rw-r--r-- | assuan/assuan-socket-server.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/assuan/assuan-socket-server.c b/assuan/assuan-socket-server.c deleted file mode 100644 index c536dba4..00000000 --- a/assuan/assuan-socket-server.c +++ /dev/null @@ -1,208 +0,0 @@ -/* assuan-socket-server.c - Assuan socket based server - * Copyright (C) 2002, 2007 Free Software Foundation, Inc. - * - * This file is part of Assuan. - * - * Assuan is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * Assuan 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include <config.h> -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <unistd.h> -#include <sys/types.h> -#ifdef HAVE_W32_SYSTEM -# include <windows.h> -# if HAVE_SYS_SOCKET_H -# include <sys/socket.h> -# elif HAVE_WS2TCPIP_H -# include <ws2tcpip.h> -# endif -#else -# include <sys/socket.h> -# include <sys/un.h> -#endif - - -#include "assuan-defs.h" - -static struct assuan_io io = { _assuan_simple_read, _assuan_simple_write, - NULL, NULL }; - -static int -accept_connection_bottom (assuan_context_t ctx) -{ - assuan_fd_t fd = ctx->connected_fd; - - ctx->peercred.valid = 0; -#ifdef HAVE_SO_PEERCRED - { - struct ucred cr; - socklen_t cl = sizeof cr; - - if ( !getsockopt (fd, SOL_SOCKET, SO_PEERCRED, &cr, &cl)) - { - ctx->peercred.pid = cr.pid; - ctx->peercred.uid = cr.uid; - ctx->peercred.gid = cr.gid; - ctx->peercred.valid = 1; - - /* This overrides any already set PID if the function returns - a valid one. */ - if (cr.pid != (pid_t)-1 && cr.pid) - ctx->pid = cr.pid; - } - } -#endif - - ctx->inbound.fd = fd; - ctx->inbound.eof = 0; - ctx->inbound.linelen = 0; - ctx->inbound.attic.linelen = 0; - ctx->inbound.attic.pending = 0; - - ctx->outbound.fd = fd; - ctx->outbound.data.linelen = 0; - ctx->outbound.data.error = 0; - - ctx->confidential = 0; - - return 0; -} - - -static int -accept_connection (assuan_context_t ctx) -{ - assuan_fd_t fd; - struct sockaddr_un clnt_addr; - socklen_t len = sizeof clnt_addr; - - fd = SOCKET2HANDLE(accept (HANDLE2SOCKET(ctx->listen_fd), - (struct sockaddr*)&clnt_addr, &len )); - if (fd == ASSUAN_INVALID_FD) - { - ctx->os_errno = errno; - return _assuan_error (ASSUAN_Accept_Failed); - } - if (_assuan_sock_check_nonce (fd, &ctx->listen_nonce)) - { - _assuan_close (fd); - ctx->os_errno = EACCES; - return _assuan_error (ASSUAN_Accept_Failed); - } - - ctx->connected_fd = fd; - return accept_connection_bottom (ctx); -} - -static int -finish_connection (assuan_context_t ctx) -{ - if (ctx->inbound.fd != ASSUAN_INVALID_FD) - { - _assuan_close (ctx->inbound.fd); - } - ctx->inbound.fd = ASSUAN_INVALID_FD; - ctx->outbound.fd = ASSUAN_INVALID_FD; - return 0; -} - - -static void -deinit_socket_server (assuan_context_t ctx) -{ - finish_connection (ctx); -} - -/* Initialize a server for the socket LISTEN_FD which has already be - put into listen mode */ -int -assuan_init_socket_server (assuan_context_t *r_ctx, assuan_fd_t listen_fd) -{ - return assuan_init_socket_server_ext (r_ctx, listen_fd, 0); -} - -/* Initialize a server using the already accepted socket FD. This - function is deprecated. */ -int -assuan_init_connected_socket_server (assuan_context_t *r_ctx, assuan_fd_t fd) -{ - return assuan_init_socket_server_ext (r_ctx, fd, 2); -} - - -/* - Flag bits: 0 - use sendmsg/recvmsg to allow descriptor passing - 1 - FD has already been accepted. -*/ -int -assuan_init_socket_server_ext (assuan_context_t *r_ctx, assuan_fd_t fd, - unsigned int flags) -{ - assuan_context_t ctx; - int rc; - - *r_ctx = NULL; - ctx = xtrycalloc (1, sizeof *ctx); - if (!ctx) - return _assuan_error (ASSUAN_Out_Of_Core); - ctx->is_server = 1; - if ((flags & 2)) - ctx->pipe_mode = 1; /* We want a second accept to indicate EOF. */ - ctx->input_fd = ASSUAN_INVALID_FD; - ctx->output_fd = ASSUAN_INVALID_FD; - - ctx->inbound.fd = ASSUAN_INVALID_FD; - ctx->outbound.fd = ASSUAN_INVALID_FD; - - if ((flags & 2)) - { - ctx->listen_fd = ASSUAN_INVALID_FD; - ctx->connected_fd = fd; - } - else - { - ctx->listen_fd = fd; - ctx->connected_fd = ASSUAN_INVALID_FD; - } - ctx->deinit_handler = (flags & 1)? _assuan_uds_deinit:deinit_socket_server; - ctx->accept_handler = ((flags & 2) - ? accept_connection_bottom - : accept_connection); - ctx->finish_handler = finish_connection; - - ctx->io = &io; - if ((flags & 1)) - _assuan_init_uds_io (ctx); - - rc = _assuan_register_std_commands (ctx); - if (rc) - xfree (ctx); - else - *r_ctx = ctx; - return rc; -} - - -/* Save a copy of NONCE in context CTX. This should be used to - register the server's nonce with an context established by - assuan_init_socket_server. */ -void -assuan_set_sock_nonce (assuan_context_t ctx, assuan_sock_nonce_t *nonce) -{ - if (ctx && nonce) - ctx->listen_nonce = *nonce; -} |