diff options
Diffstat (limited to 'src/socket-util.c')
| -rw-r--r-- | src/socket-util.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/socket-util.c b/src/socket-util.c deleted file mode 100644 index e0a3c28d..00000000 --- a/src/socket-util.c +++ /dev/null @@ -1,216 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio 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 2 of the License, - or (at your option) any later version. - - polypaudio 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 polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdarg.h> -#include <stdlib.h> -#include <signal.h> -#include <errno.h> -#include <assert.h> -#include <string.h> -#include <stdio.h> -#include <sys/un.h> -#include <netinet/in.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/types.h> -#include <netinet/tcp.h> -#include <netinet/ip.h> - -#include "socket-util.h" -#include "util.h" - -void pa_socket_peer_to_string(int fd, char *c, size_t l) { - struct stat st; - - assert(c && l && fd >= 0); - - if (fstat(fd, &st) < 0) { - snprintf(c, l, "Invalid client fd"); - return; - } - - if (S_ISSOCK(st.st_mode)) { - union { - struct sockaddr sa; - struct sockaddr_in in; - struct sockaddr_un un; - } sa; - socklen_t sa_len = sizeof(sa); - - if (getpeername(fd, &sa.sa, &sa_len) >= 0) { - - if (sa.sa.sa_family == AF_INET) { - uint32_t ip = ntohl(sa.in.sin_addr.s_addr); - - snprintf(c, l, "TCP/IP client from %i.%i.%i.%i:%u", - ip >> 24, - (ip >> 16) & 0xFF, - (ip >> 8) & 0xFF, - ip & 0xFF, - ntohs(sa.in.sin_port)); - return; - } else if (sa.sa.sa_family == AF_LOCAL) { - snprintf(c, l, "UNIX socket client"); - return; - } - - } - snprintf(c, l, "Unknown network client"); - return; - } else if (S_ISCHR(st.st_mode) && (fd == 0 || fd == 1)) { - snprintf(c, l, "STDIN/STDOUT client"); - return; - } - - snprintf(c, l, "Unknown client"); -} - -int pa_socket_low_delay(int fd) { - int priority; - assert(fd >= 0); - - priority = 7; - if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority)) < 0) - return -1; - - return 0; -} - -int pa_socket_tcp_low_delay(int fd) { - int ret, tos; - - assert(fd >= 0); - - ret = pa_socket_low_delay(fd); - -/* on = 1; */ -/* if (setsockopt(fd, SOL_TCP, TCP_NODELAY, &on, sizeof(on)) < 0) */ -/* ret = -1; */ - - tos = IPTOS_LOWDELAY; - if (setsockopt(fd, SOL_IP, IP_TOS, &tos, sizeof(tos)) < 0) - ret = -1; - - return ret; - -} - -int pa_socket_set_rcvbuf(int fd, size_t l) { - assert(fd >= 0); - - if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &l, sizeof(l)) < 0) - return -1; - - return 0; -} - -int pa_socket_set_sndbuf(int fd, size_t l) { - assert(fd >= 0); - - if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &l, sizeof(l)) < 0) - return -1; - - return 0; -} - -int pa_unix_socket_is_stale(const char *fn) { - struct sockaddr_un sa; - int fd = -1, ret = -1; - - if ((fd = socket(PF_LOCAL, SOCK_STREAM, 0)) < 0) { - fprintf(stderr, "socket(): %s\n", strerror(errno)); - goto finish; - } - - sa.sun_family = AF_LOCAL; - strncpy(sa.sun_path, fn, sizeof(sa.sun_path)-1); - sa.sun_path[sizeof(sa.sun_path) - 1] = 0; - - if (connect(fd, (struct sockaddr*) &sa, sizeof(sa)) < 0) { - if (errno == ECONNREFUSED) - ret = 1; - } else - ret = 0; - -finish: - if (fd >= 0) - close(fd); - - return ret; -} - -int pa_unix_socket_remove_stale(const char *fn) { - int r; - - if ((r = pa_unix_socket_is_stale(fn)) < 0) - return errno != ENOENT ? -1 : 0; - - if (!r) - return 0; - - /* Yes, here is a race condition. But who cares? */ - if (unlink(fn) < 0) - return -1; - - return 0; -} - -int pa_unix_socket_make_secure_dir(const char *fn) { - int ret = -1; - char *slash, *dir = strdup(fn); - assert(dir); - - if (!(slash = strrchr(dir, '/'))) - goto finish; - *slash = 0; - - if (pa_make_secure_dir(dir) < 0) - goto finish; - - ret = 0; - -finish: - free(dir); - return ret; -} - -int pa_unix_socket_remove_secure_dir(const char *fn) { - int ret = -1; - char *slash, *dir = strdup(fn); - assert(dir); - - if (!(slash = strrchr(dir, '/'))) - goto finish; - *slash = 0; - - if (rmdir(dir) < 0) - goto finish; - - ret = 0; - -finish: - free(dir); - return ret; -} |