diff options
Diffstat (limited to 'lib/libsys')
| -rw-r--r-- | lib/libsys/Makefile.sys | 1 | ||||
| -rw-r--r-- | lib/libsys/Symbol.sys.map | 4 | ||||
| -rw-r--r-- | lib/libsys/_libsys.h | 12 | ||||
| -rw-r--r-- | lib/libsys/amd64/amd64_get_fsbase.c | 7 | ||||
| -rw-r--r-- | lib/libsys/amd64/amd64_get_gsbase.c | 7 | ||||
| -rw-r--r-- | lib/libsys/amd64/amd64_set_fsbase.c | 7 | ||||
| -rw-r--r-- | lib/libsys/amd64/amd64_set_gsbase.c | 7 | ||||
| -rw-r--r-- | lib/libsys/copy_file_range.2 | 35 | ||||
| -rw-r--r-- | lib/libsys/getgroups.2 | 15 | ||||
| -rw-r--r-- | lib/libsys/pathconf.2 | 8 | ||||
| -rw-r--r-- | lib/libsys/setgroups.2 | 36 | ||||
| -rw-r--r-- | lib/libsys/shm_open.2 | 5 | ||||
| -rw-r--r-- | lib/libsys/stat.2 | 5 | ||||
| -rw-r--r-- | lib/libsys/syscalls.map | 10 |
14 files changed, 88 insertions, 71 deletions
diff --git a/lib/libsys/Makefile.sys b/lib/libsys/Makefile.sys index 7871731dcdcd..bd65b58083c2 100644 --- a/lib/libsys/Makefile.sys +++ b/lib/libsys/Makefile.sys @@ -52,7 +52,6 @@ STATICOBJS+= interposing_table.o PSEUDO= \ __realpathat \ clock_gettime \ - exit \ getlogin \ gettimeofday \ sched_getcpu diff --git a/lib/libsys/Symbol.sys.map b/lib/libsys/Symbol.sys.map index 45e0160100af..1a297f9df581 100644 --- a/lib/libsys/Symbol.sys.map +++ b/lib/libsys/Symbol.sys.map @@ -89,7 +89,6 @@ FBSD_1.0 { geteuid; getfh; getgid; - getgroups; getitimer; getpagesize; getpeername; @@ -204,7 +203,6 @@ FBSD_1.0 { setegid; seteuid; setgid; - setgroups; setitimer; setlogin; setpgid; @@ -380,11 +378,13 @@ FBSD_1.7 { FBSD_1.8 { exterrctl; fchroot; + getgroups; getrlimitusage; inotify_add_watch_at; inotify_rm_watch; kcmp; setcred; + setgroups; }; FBSDprivate_1.0 { diff --git a/lib/libsys/_libsys.h b/lib/libsys/_libsys.h index 7a1685cca2d1..34eebc1aa67a 100644 --- a/lib/libsys/_libsys.h +++ b/lib/libsys/_libsys.h @@ -65,7 +65,7 @@ struct uuid; union semun; __BEGIN_DECLS -typedef void (__sys_exit_t)(int); +typedef void (__sys__exit_t)(int); typedef int (__sys_fork_t)(void); typedef ssize_t (__sys_read_t)(int, void *, size_t); typedef ssize_t (__sys_write_t)(int, const void *, size_t); @@ -121,8 +121,6 @@ typedef int (__sys_munmap_t)(void *, size_t); typedef int (__sys_mprotect_t)(void *, size_t, int); typedef int (__sys_madvise_t)(void *, size_t, int); typedef int (__sys_mincore_t)(const void *, size_t, char *); -typedef int (__sys_getgroups_t)(int, gid_t *); -typedef int (__sys_setgroups_t)(int, const gid_t *); typedef int (__sys_getpgrp_t)(void); typedef int (__sys_setpgid_t)(int, int); typedef int (__sys_setitimer_t)(int, const struct itimerval *, struct itimerval *); @@ -468,8 +466,10 @@ typedef int (__sys_setcred_t)(u_int, const struct setcred *, size_t); typedef int (__sys_exterrctl_t)(u_int, u_int, void *); typedef int (__sys_inotify_add_watch_at_t)(int, int, const char *, uint32_t); typedef int (__sys_inotify_rm_watch_t)(int, int); +typedef int (__sys_getgroups_t)(int, gid_t *); +typedef int (__sys_setgroups_t)(int, const gid_t *); -void __sys_exit(int rval); +_Noreturn void __sys__exit(int rval); int __sys_fork(void); ssize_t __sys_read(int fd, void * buf, size_t nbyte); ssize_t __sys_write(int fd, const void * buf, size_t nbyte); @@ -525,8 +525,6 @@ int __sys_munmap(void * addr, size_t len); int __sys_mprotect(void * addr, size_t len, int prot); int __sys_madvise(void * addr, size_t len, int behav); int __sys_mincore(const void * addr, size_t len, char * vec); -int __sys_getgroups(int gidsetsize, gid_t * gidset); -int __sys_setgroups(int gidsetsize, const gid_t * gidset); int __sys_getpgrp(void); int __sys_setpgid(int pid, int pgid); int __sys_setitimer(int which, const struct itimerval * itv, struct itimerval * oitv); @@ -872,6 +870,8 @@ int __sys_setcred(u_int flags, const struct setcred * wcred, size_t size); int __sys_exterrctl(u_int op, u_int flags, void * ptr); int __sys_inotify_add_watch_at(int fd, int dfd, const char * path, uint32_t mask); int __sys_inotify_rm_watch(int fd, int wd); +int __sys_getgroups(int gidsetsize, gid_t * gidset); +int __sys_setgroups(int gidsetsize, const gid_t * gidset); __END_DECLS #endif /* __LIBSYS_H_ */ diff --git a/lib/libsys/amd64/amd64_get_fsbase.c b/lib/libsys/amd64/amd64_get_fsbase.c index 00f16a5e404f..b5e87f8a3ce5 100644 --- a/lib/libsys/amd64/amd64_get_fsbase.c +++ b/lib/libsys/amd64/amd64_get_fsbase.c @@ -30,7 +30,6 @@ * SUCH DAMAGE. */ -#define _WANT_P_OSREL #include <sys/param.h> #include <machine/cpufunc.h> #include <machine/specialreg.h> @@ -41,7 +40,6 @@ static int amd64_get_fsbase_cpu(void **addr) { - *addr = (void *)rdfsbase(); return (0); } @@ -49,15 +47,12 @@ amd64_get_fsbase_cpu(void **addr) static int amd64_get_fsbase_syscall(void **addr) { - return (sysarch(AMD64_GET_FSBASE, addr)); } DEFINE_UIFUNC(, int, amd64_get_fsbase, (void **)) { - - if (__getosreldate() >= P_OSREL_WRFSBASE && - (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) + if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) return (amd64_get_fsbase_cpu); return (amd64_get_fsbase_syscall); } diff --git a/lib/libsys/amd64/amd64_get_gsbase.c b/lib/libsys/amd64/amd64_get_gsbase.c index ef135b1eed7f..51be412ddd7a 100644 --- a/lib/libsys/amd64/amd64_get_gsbase.c +++ b/lib/libsys/amd64/amd64_get_gsbase.c @@ -30,7 +30,6 @@ * SUCH DAMAGE. */ -#define _WANT_P_OSREL #include <sys/param.h> #include <machine/cpufunc.h> #include <machine/specialreg.h> @@ -41,7 +40,6 @@ static int amd64_get_gsbase_cpu(void **addr) { - *addr = (void *)rdgsbase(); return (0); } @@ -49,15 +47,12 @@ amd64_get_gsbase_cpu(void **addr) static int amd64_get_gsbase_syscall(void **addr) { - return (sysarch(AMD64_GET_GSBASE, addr)); } DEFINE_UIFUNC(, int, amd64_get_gsbase, (void **)) { - - if (__getosreldate() >= P_OSREL_WRFSBASE && - (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) + if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) return (amd64_get_gsbase_cpu); return (amd64_get_gsbase_syscall); } diff --git a/lib/libsys/amd64/amd64_set_fsbase.c b/lib/libsys/amd64/amd64_set_fsbase.c index f1690fde6e17..5265bd712f17 100644 --- a/lib/libsys/amd64/amd64_set_fsbase.c +++ b/lib/libsys/amd64/amd64_set_fsbase.c @@ -30,7 +30,6 @@ * SUCH DAMAGE. */ -#define _WANT_P_OSREL #include <sys/param.h> #include <machine/cpufunc.h> #include <machine/specialreg.h> @@ -41,7 +40,6 @@ static int amd64_set_fsbase_cpu(void *addr) { - wrfsbase((uintptr_t)addr); return (0); } @@ -49,15 +47,12 @@ amd64_set_fsbase_cpu(void *addr) static int amd64_set_fsbase_syscall(void *addr) { - return (sysarch(AMD64_SET_FSBASE, &addr)); } DEFINE_UIFUNC(, int, amd64_set_fsbase, (void *)) { - - if (__getosreldate() >= P_OSREL_WRFSBASE && - (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) + if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) return (amd64_set_fsbase_cpu); return (amd64_set_fsbase_syscall); } diff --git a/lib/libsys/amd64/amd64_set_gsbase.c b/lib/libsys/amd64/amd64_set_gsbase.c index 756bbae18844..94f5736ed1ab 100644 --- a/lib/libsys/amd64/amd64_set_gsbase.c +++ b/lib/libsys/amd64/amd64_set_gsbase.c @@ -30,7 +30,6 @@ * SUCH DAMAGE. */ -#define _WANT_P_OSREL #include <sys/param.h> #include <machine/cpufunc.h> #include <machine/specialreg.h> @@ -41,7 +40,6 @@ static int amd64_set_gsbase_cpu(void *addr) { - wrgsbase((uintptr_t)addr); return (0); } @@ -49,15 +47,12 @@ amd64_set_gsbase_cpu(void *addr) static int amd64_set_gsbase_syscall(void *addr) { - return (sysarch(AMD64_SET_GSBASE, &addr)); } DEFINE_UIFUNC(, int, amd64_set_gsbase, (void *)) { - - if (__getosreldate() >= P_OSREL_WRFSBASE && - (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) + if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0) return (amd64_set_gsbase_cpu); return (amd64_set_gsbase_syscall); } diff --git a/lib/libsys/copy_file_range.2 b/lib/libsys/copy_file_range.2 index bcd9170842d5..829a5a5d3c13 100644 --- a/lib/libsys/copy_file_range.2 +++ b/lib/libsys/copy_file_range.2 @@ -23,7 +23,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd December 28, 2023 +.Dd August 16, 2025 .Dt COPY_FILE_RANGE 2 .Os .Sh NAME @@ -74,6 +74,7 @@ argument must be opened for reading and the .Fa outfd argument must be opened for writing, but not .Dv O_APPEND . +.Pp If .Fa inoffp or @@ -101,9 +102,29 @@ respectively will be used/updated and the file offset for or .Fa outfd respectively will not be affected. -The +.Pp +The only +.Fa flags +argument currently defined is +.Dv COPY_FILE_RANGE_CLONE . +When this flag is set, +.Fn copy_file_range +will return +.Er EOPNOTSUPP +if the copy cannot be done via +block cloning. +When .Fa flags -argument must be 0. +is 0, a file system may do the copy via block cloning +or by data copying. +Block cloning is only possible when the offsets (plus +.Fa len +if not to EOF on the input file) are block +aligned. +The correct block alignment can normally be acquired via the +.Dv _PC_CLONE_BLKSIZE +query for +.Xr pathconf 2 . .Pp This system call attempts to maintain holes in the output file for the byte range being copied. @@ -203,9 +224,15 @@ refers to a directory. File system that stores .Fa outfd is full. +.It Bq Er EOPNOTSUPP +Cannot do the copy via block cloning and the +.Dv COPY_FILE_RANGE_CLONE +.Fa flags +argument is specified. .El .Sh SEE ALSO -.Xr lseek 2 +.Xr lseek 2 , +.Xr pathconf 2 .Sh STANDARDS The .Fn copy_file_range diff --git a/lib/libsys/getgroups.2 b/lib/libsys/getgroups.2 index 91cca2748ec2..37c8fbad7215 100644 --- a/lib/libsys/getgroups.2 +++ b/lib/libsys/getgroups.2 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd January 21, 2011 +.Dd August 1, 2025 .Dt GETGROUPS 2 .Os .Sh NAME @@ -41,8 +41,8 @@ The .Fn getgroups system call -gets the current group access list of the user process -and stores it in the array +gets the current supplementary groups of the user process and stores it in the +array .Fa gidset . The .Fa gidsetlen @@ -54,7 +54,7 @@ The system call returns the actual number of groups returned in .Fa gidset . -At least one and as many as {NGROUPS_MAX}+1 values may be returned. +As many as {NGROUPS_MAX} values may be returned. If .Fa gidsetlen is zero, @@ -102,3 +102,10 @@ The .Fn getgroups system call appeared in .Bx 4.2 . +.Pp +Before +.Fx 15.0 , +the +.Fn getgroups +system call always returned the effective group ID for the process as the first +element of the array, before the supplementary groups. diff --git a/lib/libsys/pathconf.2 b/lib/libsys/pathconf.2 index 79ac8310000d..5a983a3a13e2 100644 --- a/lib/libsys/pathconf.2 +++ b/lib/libsys/pathconf.2 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd July 5, 2025 +.Dd August 6, 2025 .Dt PATHCONF 2 .Os .Sh NAME @@ -187,6 +187,11 @@ and flags can be set by .Xr chflags 2 , otherwise 0. +.It Li _PC_CLONE_BLKSIZE +Returns the block size required for block cloning via +.Xr copy_file_range 2 +for a file system if block cloning is supported, +otherwise 0. .El .Sh RETURN VALUES If the call to @@ -264,6 +269,7 @@ Corrupted data was detected while reading from the file system. .El .Sh SEE ALSO .Xr chflags 2 , +.Xr copy_file_range 2 , .Xr lseek 2 , .Xr sysctl 3 .Sh HISTORY diff --git a/lib/libsys/setgroups.2 b/lib/libsys/setgroups.2 index a226aeafea96..451f63ba1266 100644 --- a/lib/libsys/setgroups.2 +++ b/lib/libsys/setgroups.2 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd January 19, 2018 +.Dd August 1, 2025 .Dt SETGROUPS 2 .Os .Sh NAME @@ -42,7 +42,7 @@ The .Fn setgroups system call -sets the group access list of the current user process +sets the supplementary group list of the current user process according to the array .Fa gidset . The @@ -50,26 +50,12 @@ The argument indicates the number of entries in the array and must be no more than -.Dv {NGROUPS_MAX}+1 . -.Pp -Only the super-user may set a new group list. +.Dv {NGROUPS_MAX} . +The +.Fa ngroups +argument may be set to 0 to clear the supplementary group list. .Pp -The first entry of the group array -.Pq Va gidset[0] -is used as the effective group-ID for the process. -This entry is over-written when a setgid program is run. -To avoid losing access to the privileges of the -.Va gidset[0] -entry, it should be duplicated later in the group array. -By convention, -this happens because the group value indicated -in the password file also appears in -.Pa /etc/group . -The group value in the password file is placed in -.Va gidset[0] -and that value then gets added a second time when the -.Pa /etc/group -file is scanned to create the group set. +Only the super-user may set a new supplementary group list. .Sh RETURN VALUES .Rv -std setgroups .Sh ERRORS @@ -99,3 +85,11 @@ The .Fn setgroups system call appeared in .Bx 4.2 . +.Pp +Before +.Fx 15.0 , +the +.Fn setgroups +system call would set the effective group ID for the process to the first +element of +.Fa gidset . diff --git a/lib/libsys/shm_open.2 b/lib/libsys/shm_open.2 index 8bea939690ba..c3196d966e6b 100644 --- a/lib/libsys/shm_open.2 +++ b/lib/libsys/shm_open.2 @@ -26,7 +26,7 @@ .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd January 30, 2023 +.Dd August 4, 2025 .Dt SHM_OPEN 2 .Os .Sh NAME @@ -74,8 +74,9 @@ must be included in The optional flags .Dv O_CREAT , .Dv O_EXCL , +.Dv O_TRUNC , and -.Dv O_TRUNC +.Dv O_CLOFORK may also be specified. .Pp If diff --git a/lib/libsys/stat.2 b/lib/libsys/stat.2 index bd9005710147..8107740bd901 100644 --- a/lib/libsys/stat.2 +++ b/lib/libsys/stat.2 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd March 30, 2021 +.Dd August 17, 2025 .Dt STAT 2 .Os .Sh NAME @@ -169,6 +169,9 @@ Flags enabled for the file. See .Xr chflags 2 for the list of flags and their description. +.It Va st_rdev +Numeric ID of the device referenced by the file, if the file is a +character or block special; otherwise unspecified. .El .Pp The diff --git a/lib/libsys/syscalls.map b/lib/libsys/syscalls.map index 69fce2ea7c63..4cf80a2ffc69 100644 --- a/lib/libsys/syscalls.map +++ b/lib/libsys/syscalls.map @@ -7,7 +7,7 @@ FBSDprivate_1.0 { _syscall; __sys_syscall; - __sys_exit; + __sys__exit; _fork; __sys_fork; _read; @@ -117,10 +117,6 @@ FBSDprivate_1.0 { __sys_madvise; _mincore; __sys_mincore; - _getgroups; - __sys_getgroups; - _setgroups; - __sys_setgroups; _getpgrp; __sys_getpgrp; _setpgid; @@ -813,4 +809,8 @@ FBSDprivate_1.0 { __sys_inotify_add_watch_at; _inotify_rm_watch; __sys_inotify_rm_watch; + _getgroups; + __sys_getgroups; + _setgroups; + __sys_setgroups; }; |