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Diffstat (limited to 'crypto/kerberosIV/lib/kafs/afssys.c')
-rw-r--r--crypto/kerberosIV/lib/kafs/afssys.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/crypto/kerberosIV/lib/kafs/afssys.c b/crypto/kerberosIV/lib/kafs/afssys.c
deleted file mode 100644
index 741225ca33818..0000000000000
--- a/crypto/kerberosIV/lib/kafs/afssys.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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.
- *
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Kungliga Tekniska
- * Högskolan and its contributors.
- *
- * 4. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "kafs_locl.h"
-
-RCSID("$Id: afssys.c,v 1.53 1997/05/04 02:30:41 assar Exp $");
-
-/* Magic to get AIX syscalls to work */
-#ifdef _AIX
-
-static int (*Pioctl)(char*, int, void*, int);
-static int (*Setpag)(void);
-
-#include "dlfcn.h"
-
-static int
-isSuid()
-{
- int uid = getuid();
- int gid = getgid();
- int euid = getegid();
- int egid = getegid();
- return (uid != euid) || (gid != egid);
-}
-
-static int
-aix_setup(void)
-{
-#ifdef STATIC_AFS_SYSCALLS
- Pioctl = aix_pioctl;
- Setpag = aix_setpag;
-#else
- void *ptr;
- char path[MaxPathLen], *p;
- /*
- * If we are root or running setuid don't trust AFSLIBPATH!
- */
- if (getuid() != 0 && !isSuid() && (p = getenv("AFSLIBPATH")) != NULL)
- strcpy(path, p);
- else
- snprintf(path, sizeof(path), "%s/afslib.so", LIBDIR);
-
- ptr = dlopen(path, 0);
- if(ptr){
- Setpag = (int (*)(void))dlsym(ptr, "aix_setpag");
- Pioctl = (int (*)(char*, int, void*, int))dlsym(ptr, "aix_pioctl");
- }
-#endif
-}
-#endif /* _AIX */
-
-#define NO_ENTRY_POINT 0
-#define SINGLE_ENTRY_POINT 1
-#define MULTIPLE_ENTRY_POINT 2
-#define SINGLE_ENTRY_POINT2 3
-#define SINGLE_ENTRY_POINT3 4
-#define AIX_ENTRY_POINTS 5
-#define UNKNOWN_ENTRY_POINT 6
-static int afs_entry_point = UNKNOWN_ENTRY_POINT;
-static int afs_syscalls[2];
-
-
-int
-k_pioctl(char *a_path,
- int o_opcode,
- struct ViceIoctl *a_paramsP,
- int a_followSymlinks)
-{
-#ifndef NO_AFS
- switch(afs_entry_point){
-#if defined(AFS_SYSCALL) || defined(AFS_SYSCALL2) || defined(AFS_SYSCALL3)
- case SINGLE_ENTRY_POINT:
- case SINGLE_ENTRY_POINT2:
- case SINGLE_ENTRY_POINT3:
- return syscall(afs_syscalls[0], AFSCALL_PIOCTL,
- a_path, o_opcode, a_paramsP, a_followSymlinks);
-#endif
-#if defined(AFS_PIOCTL)
- case MULTIPLE_ENTRY_POINT:
- return syscall(afs_syscalls[0],
- a_path, o_opcode, a_paramsP, a_followSymlinks);
-#endif
-#ifdef _AIX
- case AIX_ENTRY_POINTS:
- return Pioctl(a_path, o_opcode, a_paramsP, a_followSymlinks);
-#endif
- }
-
- errno = ENOSYS;
-#ifdef SIGSYS
- kill(getpid(), SIGSYS); /* You loose! */
-#endif
-#endif /* NO_AFS */
- return -1;
-}
-
-int
-k_afs_cell_of_file(const char *path, char *cell, int len)
-{
- struct ViceIoctl parms;
- parms.in = NULL;
- parms.in_size = 0;
- parms.out = cell;
- parms.out_size = len;
- return k_pioctl((char*)path, VIOC_FILE_CELL_NAME, &parms, 1);
-}
-
-int
-k_unlog(void)
-{
- struct ViceIoctl parms;
- memset(&parms, 0, sizeof(parms));
- return k_pioctl(0, VIOCUNLOG, &parms, 0);
-}
-
-int
-k_setpag(void)
-{
-#ifndef NO_AFS
- switch(afs_entry_point){
-#if defined(AFS_SYSCALL) || defined(AFS_SYSCALL2) || defined(AFS_SYSCALL3)
- case SINGLE_ENTRY_POINT:
- case SINGLE_ENTRY_POINT2:
- case SINGLE_ENTRY_POINT3:
- return syscall(afs_syscalls[0], AFSCALL_SETPAG);
-#endif
-#if defined(AFS_PIOCTL)
- case MULTIPLE_ENTRY_POINT:
- return syscall(afs_syscalls[1]);
-#endif
-#ifdef _AIX
- case AIX_ENTRY_POINTS:
- return Setpag();
-#endif
- }
-
- errno = ENOSYS;
-#ifdef SIGSYS
- kill(getpid(), SIGSYS); /* You loose! */
-#endif
-#endif /* NO_AFS */
- return -1;
-}
-
-static jmp_buf catch_SIGSYS;
-
-#ifdef SIGSYS
-
-static RETSIGTYPE
-SIGSYS_handler(int sig)
-{
- errno = 0;
- signal(SIGSYS, SIGSYS_handler); /* Need to reinstall handler on SYSV */
- longjmp(catch_SIGSYS, 1);
-}
-
-#endif
-
-int
-k_hasafs(void)
-{
- int saved_errno;
- RETSIGTYPE (*saved_func)();
- struct ViceIoctl parms;
-
- /*
- * Already checked presence of AFS syscalls?
- */
- if (afs_entry_point != UNKNOWN_ENTRY_POINT)
- return afs_entry_point != NO_ENTRY_POINT;
-
- /*
- * Probe kernel for AFS specific syscalls,
- * they (currently) come in two flavors.
- * If the syscall is absent we recive a SIGSYS.
- */
- afs_entry_point = NO_ENTRY_POINT;
- memset(&parms, 0, sizeof(parms));
-
- saved_errno = errno;
-#ifndef NO_AFS
-#ifdef SIGSYS
- saved_func = signal(SIGSYS, SIGSYS_handler);
-#endif
-
-#ifdef AFS_SYSCALL
- if (setjmp(catch_SIGSYS) == 0)
- {
- syscall(AFS_SYSCALL, AFSCALL_PIOCTL,
- 0, VIOCSETTOK, &parms, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
- if (errno == EINVAL)
- {
- afs_entry_point = SINGLE_ENTRY_POINT;
- afs_syscalls[0] = AFS_SYSCALL;
- goto done;
- }
- }
-#endif /* AFS_SYSCALL */
-
-#ifdef AFS_PIOCTL
- if (setjmp(catch_SIGSYS) == 0)
- {
- syscall(AFS_PIOCTL,
- 0, VIOCSETTOK, &parms, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
- if (errno == EINVAL)
- {
- afs_entry_point = MULTIPLE_ENTRY_POINT;
- afs_syscalls[0] = AFS_PIOCTL;
- afs_syscalls[1] = AFS_SETPAG;
- goto done;
- }
- }
-#endif /* AFS_PIOCTL */
-
-#ifdef AFS_SYSCALL2
- if (setjmp(catch_SIGSYS) == 0)
- {
- syscall(AFS_SYSCALL2, AFSCALL_PIOCTL,
- 0, VIOCSETTOK, &parms, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
- if (errno == EINVAL)
- {
- afs_entry_point = SINGLE_ENTRY_POINT2;
- afs_syscalls[0] = AFS_SYSCALL2;
- goto done;
- }
- }
-#endif /* AFS_SYSCALL */
-
-#ifdef AFS_SYSCALL3
- if (setjmp(catch_SIGSYS) == 0)
- {
- syscall(AFS_SYSCALL3, AFSCALL_PIOCTL,
- 0, VIOCSETTOK, &parms, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
- if (errno == EINVAL)
- {
- afs_entry_point = SINGLE_ENTRY_POINT3;
- afs_syscalls[0] = AFS_SYSCALL3;
- goto done;
- }
- }
-#endif /* AFS_SYSCALL */
-
-#ifdef _AIX
- aix_setup();
- if(Pioctl != NULL && Setpag != NULL){
- afs_entry_point = AIX_ENTRY_POINTS;
- goto done;
- }
-#endif
-
-done:
-#ifdef SIGSYS
- signal(SIGSYS, saved_func);
-#endif
-#endif /* NO_AFS */
- errno = saved_errno;
- return afs_entry_point != NO_ENTRY_POINT;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-03 04:24:36 +0000