diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/getsockopt.c | 70 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/socket-constants-time64.h | 30 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/socket-constants-time64.h | 30 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/socket-constants-time64.h | 30 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/setsockopt.c | 71 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/socket-constants-time64.h | 30 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/socket-constants-time64.h | 30 |
7 files changed, 276 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/getsockopt.c b/sysdeps/unix/sysv/linux/getsockopt.c index 76ee8a94d6..688a7de087 100644 --- a/sysdeps/unix/sysv/linux/getsockopt.c +++ b/sysdeps/unix/sysv/linux/getsockopt.c @@ -15,16 +15,15 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <signal.h> #include <sys/socket.h> - +#include <time.h> +#include <sysdep.h> #include <socketcall.h> -#include <kernel-features.h> -#include <sys/syscall.h> +#include <socket-constants-time64.h> -int -__getsockopt (int fd, int level, int optname, void *optval, socklen_t *len) +static int +getsockopt_syscall (int fd, int level, int optname, void *optval, + socklen_t *len) { #ifdef __ASSUME_GETSOCKOPT_SYSCALL return INLINE_SYSCALL (getsockopt, 5, fd, level, optname, optval, len); @@ -32,4 +31,61 @@ __getsockopt (int fd, int level, int optname, void *optval, socklen_t *len) return SOCKETCALL (getsockopt, fd, level, optname, optval, len); #endif } + +#ifndef __ASSUME_TIME64_SYSCALLS +static int +getsockopt32 (int fd, int level, int optname, void *optval, + socklen_t *len) +{ + int r = -1; + + if (level != SOL_SOCKET) + return r; + + switch (optname) + { + case COMPAT_SO_RCVTIMEO_NEW: + case COMPAT_SO_SNDTIMEO_NEW: + { + if (optname == COMPAT_SO_RCVTIMEO_NEW) + optname = COMPAT_SO_RCVTIMEO_OLD; + if (optname == COMPAT_SO_SNDTIMEO_NEW) + optname = COMPAT_SO_SNDTIMEO_OLD; + + struct __timeval32 tv32; + r = getsockopt_syscall (fd, level, optname, &tv32, + (socklen_t[]) { sizeof tv32 }); + if (r < 0) + break; + + /* POSIX states that if the size of the option value is greater than + then option length, the option value argument shall be silently + truncated. */ + if (*len >= sizeof (struct __timeval64)) + { + struct __timeval64 *tv64 = (struct __timeval64 *) optval; + *tv64 = valid_timeval32_to_timeval64 (tv32); + *len = sizeof (*tv64); + } + else + memcpy (optval, &tv32, sizeof tv32); + } + } + + return r; +} +#endif + +int +__getsockopt (int fd, int level, int optname, void *optval, socklen_t *len) +{ + int r = getsockopt_syscall (fd, level, optname, optval, len); + +#ifndef __ASSUME_TIME64_SYSCALLS + if (r == -1 && errno == ENOPROTOOPT) + r = getsockopt32 (fd, level, optname, optval, len); +#endif + + return r; +} weak_alias (__getsockopt, getsockopt) diff --git a/sysdeps/unix/sysv/linux/hppa/socket-constants-time64.h b/sysdeps/unix/sysv/linux/hppa/socket-constants-time64.h new file mode 100644 index 0000000000..9fe7576aaa --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/socket-constants-time64.h @@ -0,0 +1,30 @@ +/* Compat socket constants used in 64-bit compat code. + Copyright (C) 2021 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, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SOCKET_CONSTANTS_TIME64_H +#define _SOCKET_CONSTANTS_TIME64_H + +/* The compat code requires the SO_* constants used for both 32 and 64-bit + time_t, however they were only added on v5.1 kernel. */ + +#define COMPAT_SO_RCVTIMEO_OLD 4102 +#define COMPAT_SO_SNDTIMEO_OLD 4101 +#define COMPAT_SO_RCVTIMEO_NEW 16448 +#define COMPAT_SO_SNDTIMEO_NEW 16449 + +#endif diff --git a/sysdeps/unix/sysv/linux/mips/socket-constants-time64.h b/sysdeps/unix/sysv/linux/mips/socket-constants-time64.h new file mode 100644 index 0000000000..1252a8a23b --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/socket-constants-time64.h @@ -0,0 +1,30 @@ +/* Compat socket constants used in 64-bit compat code. + Copyright (C) 2021 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, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SOCKET_CONSTANTS_TIME64_H +#define _SOCKET_CONSTANTS_TIME64_H + +/* The compat code requires the SO_* constants used for both 32 and 64-bit + time_t, however they were only added on v5.1 kernel. */ + +#define COMPAT_SO_RCVTIMEO_OLD 4102 +#define COMPAT_SO_SNDTIMEO_OLD 4101 +#define COMPAT_SO_RCVTIMEO_NEW 66 +#define COMPAT_SO_SNDTIMEO_NEW 67 + +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/socket-constants-time64.h b/sysdeps/unix/sysv/linux/powerpc/socket-constants-time64.h new file mode 100644 index 0000000000..26e8b710ab --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/socket-constants-time64.h @@ -0,0 +1,30 @@ +/* Compat socket constants used in 64-bit compat code. + Copyright (C) 2021 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, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SOCKET_CONSTANTS_TIME64_H +#define _SOCKET_CONSTANTS_TIME64_H + +/* The compat code requires the SO_* constants used for both 32 and 64-bit + time_t, however they were only added on v5.1 kernel. */ + +#define COMPAT_SO_RCVTIMEO_OLD 18 +#define COMPAT_SO_SNDTIMEO_OLD 19 +#define COMPAT_SO_RCVTIMEO_NEW 66 +#define COMPAT_SO_SNDTIMEO_NEW 67 + +#endif diff --git a/sysdeps/unix/sysv/linux/setsockopt.c b/sysdeps/unix/sysv/linux/setsockopt.c index 12fd7bdcde..6505202265 100644 --- a/sysdeps/unix/sysv/linux/setsockopt.c +++ b/sysdeps/unix/sysv/linux/setsockopt.c @@ -15,21 +15,76 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <signal.h> #include <sys/socket.h> - +#include <time.h> +#include <sysdep.h> #include <socketcall.h> -#include <kernel-features.h> -#include <sys/syscall.h> +#include <socket-constants-time64.h> -int -setsockopt (int fd, int level, int optname, const void *optval, socklen_t len) +static int +setsockopt_syscall (int fd, int level, int optname, const void *optval, + socklen_t len) { #ifdef __ASSUME_SETSOCKOPT_SYSCALL - return INLINE_SYSCALL (setsockopt, 5, fd, level, optname, optval, len); + return INLINE_SYSCALL_CALL (setsockopt, fd, level, optname, optval, len); #else return SOCKETCALL (setsockopt, fd, level, optname, optval, len); #endif } + +#ifndef __ASSUME_TIME64_SYSCALLS +static int +setsockopt32 (int fd, int level, int optname, const void *optval, + socklen_t len) +{ + int r = -1; + + if (level != SOL_SOCKET) + return r; + + switch (optname) + { + case COMPAT_SO_RCVTIMEO_NEW: + case COMPAT_SO_SNDTIMEO_NEW: + { + if (len < sizeof (struct __timeval64)) + { + __set_errno (EINVAL); + break; + } + + struct __timeval64 *tv64 = (struct __timeval64 *) optval; + if (! in_time_t_range (tv64->tv_sec)) + { + __set_errno (EOVERFLOW); + break; + } + + if (optname == COMPAT_SO_RCVTIMEO_NEW) + optname = COMPAT_SO_RCVTIMEO_OLD; + if (optname == COMPAT_SO_SNDTIMEO_NEW) + optname = COMPAT_SO_SNDTIMEO_OLD; + + struct __timeval32 tv32 = valid_timeval64_to_timeval32 (*tv64); + + r = setsockopt_syscall (fd, level, optname, &tv32, sizeof (tv32)); + } + } + + return r; +} +#endif + +int +setsockopt (int fd, int level, int optname, const void *optval, socklen_t len) +{ + int r = setsockopt_syscall (fd, level, optname, optval, len); + +#ifndef __ASSUME_TIME64_SYSCALLS + if (r == -1 && errno == ENOPROTOOPT) + r = setsockopt32 (fd, level, optname, optval, len); +#endif + + return r; +} weak_alias (setsockopt, __setsockopt) diff --git a/sysdeps/unix/sysv/linux/socket-constants-time64.h b/sysdeps/unix/sysv/linux/socket-constants-time64.h new file mode 100644 index 0000000000..d09c39d6c2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/socket-constants-time64.h @@ -0,0 +1,30 @@ +/* Compat socket constants used in 64-bit compat code. + Copyright (C) 2021 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, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SOCKET_CONSTANTS_TIME64_H +#define _SOCKET_CONSTANTS_TIME64_H + +/* The compat code requires the SO_* constants used for both 32 and 64-bit + time_t, however they were only added on v5.1 kernel. */ + +#define COMPAT_SO_RCVTIMEO_OLD 20 +#define COMPAT_SO_SNDTIMEO_OLD 21 +#define COMPAT_SO_RCVTIMEO_NEW 66 +#define COMPAT_SO_SNDTIMEO_NEW 67 + +#endif diff --git a/sysdeps/unix/sysv/linux/sparc/socket-constants-time64.h b/sysdeps/unix/sysv/linux/sparc/socket-constants-time64.h new file mode 100644 index 0000000000..f4668db537 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/socket-constants-time64.h @@ -0,0 +1,30 @@ +/* Compat socket constants used in 64-bit compat code. + Copyright (C) 2021 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, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SOCKET_CONSTANTS_TIME64_H +#define _SOCKET_CONSTANTS_TIME64_H + +/* The compat code requires the SO_* constants used for both 32 and 64-bit + time_t, however they were only added on v5.1 kernel. */ + +#define COMPAT_SO_RCVTIMEO_OLD 8192 +#define COMPAT_SO_SNDTIMEO_OLD 16384 +#define COMPAT_SO_RCVTIMEO_NEW 68 +#define COMPAT_SO_SNDTIMEO_NEW 69 + +#endif |