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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch) | |
tree | 67208f7c145782a7e90b123b982ca78d88cc2c87 /libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c | |
download | tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c')
-rw-r--r-- | libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c b/libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c new file mode 100644 index 000000000..45c227d6d --- /dev/null +++ b/libkdenetwork/libgpgme-copy/assuan/assuan-socket-server.c @@ -0,0 +1,187 @@ +/* assuan-socket-server.c - Assuan socket based server + * Copyright (C) 2002 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#include <config.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> +#ifndef HAVE_W32_SYSTEM +#include <sys/socket.h> +#include <sys/un.h> +#else +#include <windows.h> +#endif + +#include "assuan-defs.h" + +static struct assuan_io io = { _assuan_simple_read, + _assuan_simple_write }; + + +static int +accept_connection_bottom (assuan_context_t ctx) +{ + int 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) +{ + int fd; + struct sockaddr_un clnt_addr; + socklen_t len = sizeof clnt_addr; + + fd = accept (ctx->listen_fd, (struct sockaddr*)&clnt_addr, &len ); + if (fd == -1) + { + ctx->os_errno = errno; + 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 != -1) + { + _assuan_close (ctx->inbound.fd); + } + ctx->inbound.fd = -1; + ctx->outbound.fd = -1; + 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, int listen_fd) +{ + return assuan_init_socket_server_ext (r_ctx, listen_fd, 0); +} + +/* Initialize a server using the already accepted socket FD. This + fucntion is deprecated. */ +int +assuan_init_connected_socket_server (assuan_context_t *r_ctx, int 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, int 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 = -1; + ctx->output_fd = -1; + + ctx->inbound.fd = -1; + ctx->outbound.fd = -1; + + if ((flags & 2)) + { + ctx->listen_fd = -1; + ctx->connected_fd = fd; + } + else + { + ctx->listen_fd = fd; + ctx->connected_fd = -1; + } + 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; +} |