diff options
Diffstat (limited to 'socket')
| -rw-r--r-- | socket/Makefile | 4 | ||||
| -rw-r--r-- | socket/bits/socket2.h | 38 | ||||
| -rw-r--r-- | socket/sys/socket.h | 8 |
3 files changed, 47 insertions, 3 deletions
diff --git a/socket/Makefile b/socket/Makefile index 594e609db5..aa0776e5bf 100644 --- a/socket/Makefile +++ b/socket/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1991,95,96,97,98,99,2000,2001 Free Software Foundation, Inc. +# Copyright (C) 1991,1995-2001,2005 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -22,7 +22,7 @@ subdir := socket headers := sys/socket.h sys/un.h bits/sockaddr.h bits/socket.h \ - sys/socketvar.h net/if.h + bits/socket2.h sys/socketvar.h net/if.h routines := accept bind connect getpeername getsockname getsockopt \ listen recv recvfrom recvmsg send sendmsg sendto \ diff --git a/socket/bits/socket2.h b/socket/bits/socket2.h new file mode 100644 index 0000000000..bb75907744 --- /dev/null +++ b/socket/bits/socket2.h @@ -0,0 +1,38 @@ +/* Checking macros for socket functions. + Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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. + + The GNU C Library 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_SOCKET_H +# error "Never include <bits/socket2.h> directly; use <sys/socket.h> instead." +#endif + +extern ssize_t __recv_chk (int __fd, void *__buf, size_t __n, size_t __buflen, + int __flags); +#define recv(fd, buf, n, flags) \ + (__bos (buf) != (size_t) -1 \ + ? __recv_chk (fd, buf, n, __bos (buf), flags) \ + : recv (fd, buf, n, flags)) + +extern ssize_t __recvfrom_chk (int __fd, void *__restrict __buf, size_t __n, + size_t __buflen, int __flags, + __SOCKADDR_ARG __addr, + socklen_t *__restrict __addr_len); +#define recvfrom(fd, buf, n, flags, addr, addr_len) \ + (__bos (buf) != (size_t) -1 \ + ? __recvfrom_chk (fd, buf, n, __bos (buf), flags, addr, addr_len) \ + : recvfrom (fd, buf, n, flags, addr, addr_len)) diff --git a/socket/sys/socket.h b/socket/sys/socket.h index 4ae1ea9808..4112852ebb 100644 --- a/socket/sys/socket.h +++ b/socket/sys/socket.h @@ -1,5 +1,5 @@ /* Declarations of socket constants, types, and functions. - Copyright (C) 1991,92,1994-2001,2003 Free Software Foundation, Inc. + Copyright (C) 1991,92,1994-2001,2003,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -231,6 +231,12 @@ extern int sockatmark (int __fd) __THROW; extern int isfdtype (int __fd, int __fdtype) __THROW; #endif + +/* Define some macros helping to catch buffer overflows. */ +#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus +# include <bits/socket2.h> +#endif + __END_DECLS #endif /* sys/socket.h */ |