File Manager

003 File Manager

Current Path: /usr/src/lib/libc/gen

📁 ..
📄 Makefile.inc(11.75 KB)
📄 Symbol.map(8.61 KB)
📄 __getosreldate.c(2.34 KB)
📄 __pthread_mutex_init_calloc_cb_stub.c(1.78 KB)
📄 __xuname.c(3.54 KB)
📄 _once_stub.c(2.45 KB)
📄 _pthread_stubs.c(13.83 KB)
📄 _rand48.c(1.37 KB)
📄 _spinlock_stub.c(2.33 KB)
📄 _thread_init.c(1.74 KB)
📄 alarm.3(2.8 KB)
📄 alarm.c(2.1 KB)
📄 arc4random-compat.c(2.35 KB)
📄 arc4random.3(4.78 KB)
📄 arc4random.c(5.87 KB)
📄 arc4random.h(4.11 KB)
📄 arc4random_uniform.c(1.77 KB)
📄 assert.c(2.12 KB)
📄 auxv.3(3.28 KB)
📄 auxv.c(8.11 KB)
📄 basename.3(2.22 KB)
📄 basename.c(1.91 KB)
📄 basename_compat.c(2.18 KB)
📄 cap_rights_get.3(3.53 KB)
📄 cap_sandboxed.3(2.45 KB)
📄 cap_sandboxed.c(1.79 KB)
📄 check_utility_compat.3(2.99 KB)
📄 check_utility_compat.c(2.3 KB)
📄 clock.3(2.59 KB)
📄 clock.c(2.16 KB)
📄 clock_getcpuclockid.3(3.31 KB)
📄 clock_getcpuclockid.c(1.67 KB)
📄 closedir.c(2.38 KB)
📄 confstr.3(3.6 KB)
📄 confstr.c(3.78 KB)
📄 crypt.c(3.13 KB)
📄 ctermid.3(3.03 KB)
📄 ctermid.c(2.21 KB)
📄 daemon.3(3.92 KB)
📄 daemon.c(3.09 KB)
📄 devname-compat11.c(1.79 KB)
📄 devname.3(3.25 KB)
📄 devname.c(2.41 KB)
📄 directory.3(8.7 KB)
📄 dirfd.c(1.62 KB)
📄 dirname.3(2.22 KB)
📄 dirname.c(2.29 KB)
📄 dirname_compat.c(2.05 KB)
📄 disklabel.c(4.86 KB)
📄 dl_iterate_phdr.3(3.27 KB)
📄 dladdr.3(3.92 KB)
📄 dlfcn.c(6.44 KB)
📄 dlinfo.3(7.14 KB)
📄 dllockinit.3(3.9 KB)
📄 dlopen.3(11.35 KB)
📄 drand48.c(605 B)
📄 dup3.3(2.74 KB)
📄 dup3.c(1.96 KB)
📄 elf_utils.c(3.67 KB)
📄 erand48.c(691 B)
📄 err.3(5.79 KB)
📄 err.c(4.35 KB)
📄 errlst.c(8.3 KB)
📄 errno.c(1.45 KB)
📄 eventfd.c(1.79 KB)
📄 exec.3(9.24 KB)
📄 exec.c(7 KB)
📄 exect.c(1.61 KB)
📄 fdevname.c(1.83 KB)
📄 feature_present.3(2.48 KB)
📄 feature_present.c(2.26 KB)
📄 fmtcheck.3(3.27 KB)
📄 fmtcheck.c(6.92 KB)
📄 fmtmsg.3(6.45 KB)
📄 fmtmsg.c(5.86 KB)
📄 fnmatch.3(4.11 KB)
📄 fnmatch.c(8.85 KB)
📄 fpclassify.3(3.11 KB)
📄 fpclassify.c(2.67 KB)
📄 frexp.3(2.76 KB)
📄 frexp.c(1.88 KB)
📄 fstab.c(6.85 KB)
📄 ftok.3(2.71 KB)
📄 ftok.c(1.83 KB)
📄 fts-compat.c(32.07 KB)
📄 fts-compat.h(5.28 KB)
📄 fts-compat11.c(31.65 KB)
📄 fts-compat11.h(3.85 KB)
📄 fts.3(19.27 KB)
📄 fts.c(30.66 KB)
📄 ftw-compat11.c(2.59 KB)
📄 ftw.3(5.7 KB)
📄 ftw.c(2.28 KB)
📄 gen-compat.h(2.35 KB)
📄 gen-private.h(2.64 KB)
📄 getbootfile.3(2.57 KB)
📄 getbootfile.c(2.01 KB)
📄 getbsize.3(3.05 KB)
📄 getbsize.c(3 KB)
📄 getcap.3(14.8 KB)
📄 getcap.c(22.93 KB)
📄 getcontext.3(4.92 KB)
📄 getcwd.3(4.08 KB)
📄 getcwd.c(5.61 KB)
📄 getdiskbyname.3(2.23 KB)
📄 getdomainname.3(2.94 KB)
📄 getdomainname.c(1.98 KB)
📄 getentropy.3(2.05 KB)
📄 getentropy.c(4.09 KB)
📄 getfsent.3(4.54 KB)
📄 getgrent.3(6.7 KB)
📄 getgrent.c(34.33 KB)
📄 getgrouplist.3(2.81 KB)
📄 getgrouplist.c(2.03 KB)
📄 gethostname.3(3.58 KB)
📄 gethostname.c(2.02 KB)
📄 getloadavg.3(2.44 KB)
📄 getloadavg.c(2.39 KB)
📄 getlogin.c(2.65 KB)
📄 getmntinfo-compat11.c(2.61 KB)
📄 getmntinfo.3(3.1 KB)
📄 getmntinfo.c(2.57 KB)
📄 getnetgrent.3(4.02 KB)
📄 getnetgrent.c(24.86 KB)
📄 getosreldate.3(2.48 KB)
📄 getosreldate.c(2.09 KB)
📄 getpagesize.3(2.17 KB)
📄 getpagesize.c(2.46 KB)
📄 getpagesizes.3(2.94 KB)
📄 getpagesizes.c(2.99 KB)
📄 getpass.3(3 KB)
📄 getpeereid.3(3.36 KB)
📄 getpeereid.c(1.95 KB)
📄 getprogname.3(3.1 KB)
📄 getprogname.c(249 B)
📄 getpwent.3(7.67 KB)
📄 getpwent.c(44.7 KB)
📄 getttyent.3(5.75 KB)
📄 getttyent.c(6.7 KB)
📄 getusershell.3(2.86 KB)
📄 getusershell.c(5.74 KB)
📄 getutxent.3(11.32 KB)
📄 getutxent.c(4.89 KB)
📄 getvfsbyname.3(3.44 KB)
📄 getvfsbyname.c(3.1 KB)
📄 glob-compat11.c(25.67 KB)
📄 glob-compat11.h(2.8 KB)
📄 glob.3(10.79 KB)
📄 glob.c(26.49 KB)
📄 initgroups.3(2.62 KB)
📄 initgroups.c(2.33 KB)
📄 isatty.c(1.84 KB)
📄 isgreater.3(2.86 KB)
📄 isinf.c(2.14 KB)
📄 isnan.c(2.36 KB)
📄 jrand48.c(662 B)
📄 lcong48.c(832 B)
📄 ldexp.3(2.47 KB)
📄 ldexp.c(2.89 KB)
📄 libc_dlopen.c(1.88 KB)
📄 lockf.3(7.27 KB)
📄 lockf.c(2.55 KB)
📄 lrand48.c(670 B)
📄 makecontext.3(4.25 KB)
📄 memalign.c(1.63 KB)
📄 modf.3(2.63 KB)
📄 modf.c(2.95 KB)
📄 mrand48.c(709 B)
📄 nftw-compat11.c(2.91 KB)
📄 nftw.c(2.71 KB)
📄 nice.3(2.92 KB)
📄 nice.c(2.14 KB)
📄 nlist.3(2.55 KB)
📄 nlist.c(7.54 KB)
📄 nrand48.c(628 B)
📄 opendir.c(8.52 KB)
📄 pause.3(2.36 KB)
📄 pause.c(2.01 KB)
📄 pmadvise.c(425 B)
📄 popen.3(4.86 KB)
📄 popen.c(6 KB)
📄 posix_spawn.3(14.35 KB)
📄 posix_spawn.c(14.04 KB)
📄 posix_spawn_file_actions_addopen.3(6.28 KB)
📄 posix_spawn_file_actions_init.3(3.78 KB)
📄 posix_spawnattr_getflags.3(3.81 KB)
📄 posix_spawnattr_getpgroup.3(3.45 KB)
📄 posix_spawnattr_getschedparam.3(3.69 KB)
📄 posix_spawnattr_getschedpolicy.3(3.63 KB)
📄 posix_spawnattr_getsigdefault.3(3.65 KB)
📄 posix_spawnattr_getsigmask.3(3.56 KB)
📄 posix_spawnattr_init.3(4.09 KB)
📄 psignal.3(3.18 KB)
📄 psignal.c(2.22 KB)
📄 pututxline.c(7.34 KB)
📄 pw_scan.c(6.3 KB)
📄 pw_scan.h(1.8 KB)
📄 raise.3(2.31 KB)
📄 raise.c(1.96 KB)
📄 rand48.3(4.56 KB)
📄 rand48.h(811 B)
📄 readdir-compat11.c(3.63 KB)
📄 readdir.c(3.91 KB)
📄 readpassphrase.3(4.77 KB)
📄 readpassphrase.c(5.65 KB)
📄 recvmmsg.c(2.83 KB)
📄 rewinddir.c(2.29 KB)
📄 rfork_thread.3(2.7 KB)
📄 scandir-compat11.c(4.89 KB)
📄 scandir.3(3.86 KB)
📄 scandir.c(4.8 KB)
📄 scandir_b.c(1.38 KB)
📄 seed48.c(1 KB)
📄 seekdir.c(2.17 KB)
📄 sem.c(11.4 KB)
📄 sem_destroy.3(2.51 KB)
📄 sem_getvalue.3(2.56 KB)
📄 sem_init.3(2.81 KB)
📄 sem_new.c(9.95 KB)
📄 sem_open.3(5.37 KB)
📄 sem_post.3(2.45 KB)
📄 sem_timedwait.3(5 KB)
📄 sem_wait.3(2.73 KB)
📄 semctl.c(2.67 KB)
📄 sendmmsg.c(2.1 KB)
📄 setdomainname.c(1.97 KB)
📄 sethostname.c(1.96 KB)
📄 setjmp.3(4.48 KB)
📄 setjmperr.c(2.11 KB)
📄 setmode.3(3.56 KB)
📄 setmode.c(11.38 KB)
📄 setproctitle.3(3.54 KB)
📄 setproctitle.c(4.87 KB)
📄 setprogname.c(273 B)
📄 siginterrupt.3(3.74 KB)
📄 siginterrupt.c(2.29 KB)
📄 siglist.c(3.49 KB)
📄 signal.3(9.11 KB)
📄 signal.c(2.17 KB)
📄 sigsetops.3(4.15 KB)
📄 sigsetops.c(3.04 KB)
📄 sleep.3(2.88 KB)
📄 sleep.c(2.61 KB)
📄 srand48.c(859 B)
📄 statvfs.3(4.96 KB)
📄 statvfs.c(3.82 KB)
📄 stringlist.3(3.14 KB)
📄 stringlist.c(2.74 KB)
📄 strtofflags.3(2.96 KB)
📄 strtofflags.c(4.78 KB)
📄 sysconf.3(8.75 KB)
📄 sysconf.c(15.62 KB)
📄 sysctl.3(28.37 KB)
📄 sysctl.c(5.35 KB)
📄 sysctlbyname.c(1.81 KB)
📄 sysctlnametomib.c(2.14 KB)
📄 syslog.3(7.35 KB)
📄 syslog.c(12.21 KB)
📄 tcgetpgrp.3(2.6 KB)
📄 tcgetsid.3(2.24 KB)
📄 tcgetwinsize.3(4.62 KB)
📄 tcsendbreak.3(4.75 KB)
📄 tcsetattr.3(8.86 KB)
📄 tcsetpgrp.3(3.09 KB)
📄 tcsetsid.3(2.83 KB)
📄 telldir.c(5.62 KB)
📄 telldir.h(3.84 KB)
📄 termios.c(5.63 KB)
📄 time.3(2.94 KB)
📄 time.c(1.93 KB)
📄 times.3(3.62 KB)
📄 times.c(2.49 KB)
📄 timespec_get.3(2.52 KB)
📄 timespec_get.c(1.92 KB)
📄 timezone.3(2.29 KB)
📄 timezone.c(3.94 KB)
📄 tls.c(12.39 KB)
📄 trivial-getcontextx.c(1.97 KB)
📄 ttyname.3(3.39 KB)
📄 ttyname.c(3.24 KB)
📄 ttyslot.c(1.8 KB)
📄 tzset.3(7.41 KB)
📄 ualarm.3(2.88 KB)
📄 ualarm.c(2.33 KB)
📄 ucontext.3(3.57 KB)
📄 ulimit.3(2.8 KB)
📄 ulimit.c(2.25 KB)
📄 uname.3(3.14 KB)
📄 uname.c(1.91 KB)
📄 unvis-compat.c(1.89 KB)
📄 usleep.3(2.75 KB)
📄 usleep.c(2.2 KB)
📄 utime.3(2.74 KB)
📄 utime.c(2 KB)
📄 utxdb.c(4.56 KB)
📄 utxdb.h(2.2 KB)
📄 valloc.3(2.37 KB)
📄 valloc.c(1.85 KB)
📄 wait.c(2.1 KB)
📄 wait3.c(2.13 KB)
📄 waitid.c(2.49 KB)
📄 waitpid.c(2.15 KB)
📄 wordexp.3(5.04 KB)
📄 wordexp.c(10.48 KB)

Editing: auxv.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright 2010, 2012 Konstantin Belousov <kib@FreeBSD.ORG>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "namespace.h"
#include <elf.h>
#include <errno.h>
#include <link.h>
#include <pthread.h>
#include <string.h>
#include <sys/auxv.h>
#include "un-namespace.h"
#include "libc_private.h"

extern char **environ;
extern int _DYNAMIC;
#pragma weak _DYNAMIC

void *__elf_aux_vector;
static pthread_once_t aux_vector_once = PTHREAD_ONCE_INIT;

static void
init_aux_vector_once(void)
{
	Elf_Addr *sp;

sp = (Elf_Addr *)environ;
	while (*sp++ != 0)
		;
	__elf_aux_vector = (Elf_Auxinfo *)sp;
}

void
__init_elf_aux_vector(void)
{

if (&_DYNAMIC != NULL)
		return;
	_once(&aux_vector_once, init_aux_vector_once);
}

static pthread_once_t aux_once = PTHREAD_ONCE_INIT;
static int pagesize, osreldate, canary_len, ncpus, pagesizes_len, bsdflags;
static int hwcap_present, hwcap2_present;
static char *canary, *pagesizes, *execpath;
static void *ps_strings, *timekeep;
static u_long hwcap, hwcap2;
static void *fxrng_seed_version;

#ifdef __powerpc__
static int powerpc_new_auxv_format = 0;
static void _init_aux_powerpc_fixup(void);
int _powerpc_elf_aux_info(int, void *, int);
#endif

static void
init_aux(void)
{
	Elf_Auxinfo *aux;

for (aux = __elf_aux_vector; aux->a_type != AT_NULL; aux++) {
		switch (aux->a_type) {
		case AT_BSDFLAGS:
			bsdflags = aux->a_un.a_val;
			break;

case AT_CANARY:
			canary = (char *)(aux->a_un.a_ptr);
			break;

case AT_CANARYLEN:
			canary_len = aux->a_un.a_val;
			break;

case AT_EXECPATH:
			execpath = (char *)(aux->a_un.a_ptr);
			break;

case AT_HWCAP:
			hwcap_present = 1;
			hwcap = (u_long)(aux->a_un.a_val);
			break;

case AT_HWCAP2:
			hwcap2_present = 1;
			hwcap2 = (u_long)(aux->a_un.a_val);
			break;

case AT_PAGESIZES:
			pagesizes = (char *)(aux->a_un.a_ptr);
			break;

case AT_PAGESIZESLEN:
			pagesizes_len = aux->a_un.a_val;
			break;

case AT_PAGESZ:
			pagesize = aux->a_un.a_val;
			break;

case AT_OSRELDATE:
			osreldate = aux->a_un.a_val;
			break;

case AT_NCPUS:
			ncpus = aux->a_un.a_val;
			break;

case AT_TIMEKEEP:
			timekeep = aux->a_un.a_ptr;
			break;

case AT_PS_STRINGS:
			ps_strings = aux->a_un.a_ptr;
			break;

case AT_FXRNG:
			fxrng_seed_version = aux->a_un.a_ptr;
			break;
#ifdef __powerpc__
		/*
		 * Since AT_STACKPROT is always set, and the common
		 * value 23 is mutually exclusive with the legacy powerpc
		 * value 21, the existence of AT_STACKPROT proves we are
		 * on the common format.
		 */
		case AT_STACKPROT:	/* 23 */
			powerpc_new_auxv_format = 1;
			break;
#endif
		}
	}
#ifdef __powerpc__
	if (!powerpc_new_auxv_format)
		_init_aux_powerpc_fixup();
#endif
}

#ifdef __powerpc__
static void
_init_aux_powerpc_fixup(void)
{
	Elf_Auxinfo *aux;

/*
	 * Before 1300070, PowerPC platforms had nonstandard numbering for
	 * the aux vector. When running old binaries, the kernel will pass
	 * the vector using the old numbering. Reload affected variables.
	 */
	for (aux = __elf_aux_vector; aux->a_type != AT_NULL; aux++) {
		switch (aux->a_type) {
		case AT_OLD_CANARY:
			canary = (char *)(aux->a_un.a_ptr);
			break;
		case AT_OLD_CANARYLEN:
			canary_len = aux->a_un.a_val;
			break;
		case AT_OLD_EXECPATH:
			execpath = (char *)(aux->a_un.a_ptr);
			break;
		case AT_OLD_PAGESIZES:
			pagesizes = (char *)(aux->a_un.a_ptr);
			break;
		case AT_OLD_PAGESIZESLEN:
			pagesizes_len = aux->a_un.a_val;
			break;
		case AT_OLD_OSRELDATE:
			osreldate = aux->a_un.a_val;
			break;
		case AT_OLD_NCPUS:
			ncpus = aux->a_un.a_val;
			break;
		}
	}
}

int
_powerpc_elf_aux_info(int aux, void *buf, int buflen)
{

/*
	 * If we are in the old auxv format, we need to translate the aux
	 * parameter of elf_aux_info() calls into the common auxv format.
	 * Internal libc calls always use the common format, and they
	 * directly call _elf_aux_info instead of using the weak symbol.
	 */
	if (!powerpc_new_auxv_format) {
		switch (aux) {
		case AT_OLD_EXECPATH:
			aux = AT_EXECPATH;
			break;
		case AT_OLD_CANARY:
			aux = AT_CANARY;
			break;
		case AT_OLD_CANARYLEN:
			aux = AT_CANARYLEN;
			break;
		case AT_OLD_OSRELDATE:
			aux = AT_OSRELDATE;
			break;
		case AT_OLD_NCPUS:
			aux = AT_NCPUS;
			break;
		case AT_OLD_PAGESIZES:
			aux = AT_PAGESIZES;
			break;
		case AT_OLD_PAGESIZESLEN:
			aux = AT_PAGESIZESLEN;
			break;
		case AT_OLD_STACKPROT:
			aux = AT_STACKPROT;
			break;
		}
	}
	return _elf_aux_info(aux, buf, buflen);
}
__weak_reference(_powerpc_elf_aux_info, elf_aux_info);
#else
__weak_reference(_elf_aux_info, elf_aux_info);
#endif

int
_elf_aux_info(int aux, void *buf, int buflen)
{
	int res;

__init_elf_aux_vector();
	if (__elf_aux_vector == NULL)
		return (ENOSYS);
	_once(&aux_once, init_aux);

if (buflen < 0)
		return (EINVAL);

switch (aux) {
	case AT_CANARY:
		if (canary != NULL && canary_len >= buflen) {
			memcpy(buf, canary, buflen);
			memset(canary, 0, canary_len);
			canary = NULL;
			res = 0;
		} else
			res = ENOENT;
		break;
	case AT_EXECPATH:
		if (execpath == NULL)
			res = ENOENT;
		else if (buf == NULL)
			res = EINVAL;
		else {
			if (strlcpy(buf, execpath, buflen) >=
			    (unsigned int)buflen)
				res = EINVAL;
			else
				res = 0;
		}
		break;
	case AT_HWCAP:
		if (hwcap_present && buflen == sizeof(u_long)) {
			*(u_long *)buf = hwcap;
			res = 0;
		} else
			res = ENOENT;
		break;
	case AT_HWCAP2:
		if (hwcap2_present && buflen == sizeof(u_long)) {
			*(u_long *)buf = hwcap2;
			res = 0;
		} else
			res = ENOENT;
		break;
	case AT_PAGESIZES:
		if (pagesizes != NULL && pagesizes_len >= buflen) {
			memcpy(buf, pagesizes, buflen);
			res = 0;
		} else
			res = ENOENT;
		break;
	case AT_PAGESZ:
		if (buflen == sizeof(int)) {
			if (pagesize != 0) {
				*(int *)buf = pagesize;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	case AT_OSRELDATE:
		if (buflen == sizeof(int)) {
			if (osreldate != 0) {
				*(int *)buf = osreldate;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	case AT_NCPUS:
		if (buflen == sizeof(int)) {
			if (ncpus != 0) {
				*(int *)buf = ncpus;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	case AT_TIMEKEEP:
		if (buflen == sizeof(void *)) {
			if (timekeep != NULL) {
				*(void **)buf = timekeep;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	case AT_BSDFLAGS:
		if (buflen == sizeof(int)) {
			*(int *)buf = bsdflags;
			res = 0;
		} else
			res = EINVAL;
		break;
	case AT_PS_STRINGS:
		if (buflen == sizeof(void *)) {
			if (ps_strings != NULL) {
				*(void **)buf = ps_strings;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	case AT_FXRNG:
		if (buflen == sizeof(void *)) {
			if (fxrng_seed_version != NULL) {
				*(void **)buf = fxrng_seed_version;
				res = 0;
			} else
				res = ENOENT;
		} else
			res = EINVAL;
		break;
	default:
		res = ENOENT;
		break;
	}
	return (res);
}

003 File Manager

Editing: auxv.c

Upload File

Create Folder