/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#include <afsconfig.h>
#include "afs/param.h"
-RCSID("$Header$");
#include "afs/stds.h"
#include "afs/sysincludes.h" /* Standard vendor system headers */
#ifdef AFS_SGI62_ENV
#include "h/hashing.h"
#endif
-#if !defined(AFS_HPUX110_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN60_ENV)
+#if !defined(AFS_HPUX110_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV)
#include <netinet/in_var.h>
#endif /* ! AFS_HPUX110_ENV */
#endif /* !defined(UKERNEL) */
#include "afsincludes.h" /* Afs-based standard headers */
-#include "afs/afs_stats.h" /* afs statistics */
+#include "afs/afs_stats.h" /* afs statistics */
+
+#ifdef AFS_LINUX20_ENV
+#include "hcrypto/md5.h"
+#endif
-#if defined(AFS_SUN56_ENV)
+#if defined(AFS_SUN5_ENV)
#include <inet/led.h>
#include <inet/common.h>
-#if defined(AFS_SUN58_ENV)
#include <netinet/ip6.h>
-#endif
#include <inet/ip.h>
#endif
#include <sys/fp_io.h>
#endif
+afs_int32 afs_new_inum = 0;
+
#ifndef afs_cv2string
-char *afs_cv2string(char *ttp, afs_uint32 aval)
+char *
+afs_cv2string(char *ttp, afs_uint32 aval)
{
- register char *tp = ttp;
- register int i;
+ char *tp = ttp;
+ int i;
int any;
-
+
AFS_STATCNT(afs_cv2string);
any = 0;
*(--tp) = 0;
*(--tp) = '0';
return tp;
-} /*afs_cv2string*/
+} /*afs_cv2string */
#endif
+/* not a generic strtoul replacement. for vol/vno/uniq, portable */
+
+afs_int32
+afs_strtoi_r(const char *str, char **endptr, afs_uint32 *ret)
+{
+ char *x;
+
+ *ret = 0;
+ *endptr = (char *)str;
+
+ if (!str)
+ return ERANGE;
+
+ for (x = (char *)str; *x >= '0' && *x <= '9'; x++) {
+ /* Check for impending overflow */
+ if (*ret > 429496729) { /* ULONG_MAX/10 */
+ *ret = 0;
+ *endptr = (char *)str;
+ return EINVAL;
+ }
+
+ *ret = (*ret * 10) + (*x - '0');
+ }
+
+ *endptr = x;
+ return 0;
+}
+
#ifndef afs_strcasecmp
-int afs_strcasecmp(char *s1, char *s2)
+int
+afs_strcasecmp(char *s1, char *s2)
{
while (*s1 && *s2) {
char c1, c2;
c1 = *s1++;
c2 = *s2++;
- if (c1 >= 'A' && c1 <= 'Z') c1 += 0x20;
- if (c2 >= 'A' && c2 <= 'Z') c2 += 0x20;
+ if (c1 >= 'A' && c1 <= 'Z')
+ c1 += 0x20;
+ if (c2 >= 'A' && c2 <= 'Z')
+ c2 += 0x20;
if (c1 != c2)
- return c1-c2;
+ return c1 - c2;
}
return *s1 - *s2;
#endif
#ifndef afs_strcat
-char *afs_strcat(char *s1, char *s2)
+char *
+afs_strcat(char *s1, char *s2)
{
char *os1;
os1 = s1;
- while (*s1++)
- ;
+ while (*s1++);
--s1;
- while ((*s1++ = *s2++))
- ;
+ while ((*s1++ = *s2++));
return (os1);
}
#endif
#ifdef AFS_OBSD34_ENV
-char *afs_strcpy(char *s1, char *s2)
+char *
+afs_strcpy(char *s1, char *s2)
{
char *os1;
os1 = s1;
- while ((*s1++ = *s2++) != '\0')
- ;
+ while ((*s1++ = *s2++) != '\0');
return os1;
}
#endif
#ifndef afs_strchr
-char *afs_strchr(char *s, int c)
+char *
+afs_strchr(char *s, int c)
{
char *p;
return NULL;
}
#endif
+#ifndef afs_strrchr
+char *
+afs_strrchr(char *s, int c)
+{
+ char *p = NULL;
+
+ do {
+ if (*s == c)
+ p = (char*) s;
+ } while (*s++);
+ return p;
+}
+#endif
-char *afs_strdup(char *s)
+char *
+afs_strdup(char *s)
{
char *n;
int cc;
cc = strlen(s) + 1;
- n = (char *) afs_osi_Alloc(cc);
+ n = afs_osi_Alloc(cc);
if (n)
memcpy(n, s, cc);
return n;
}
-void print_internet_address(char *preamble, struct srvAddr *sa,
- char *postamble, int flag)
+void
+print_internet_address(char *preamble, struct srvAddr *sa, char *postamble,
+ int flag, int code)
{
- register struct server *aserver = sa->server;
+ struct server *aserver = sa->server;
char *ptr = "\n";
afs_uint32 address;
-
+
AFS_STATCNT(print_internet_address);
address = ntohl(sa->sa_ip);
if (aserver->flags & SRVR_MULTIHOMED) {
if (flag == 1) { /* server down mesg */
if (!(aserver->flags & SRVR_ISDOWN))
- ptr = " (multi-homed address; other same-host interfaces maybe up)\n";
+ ptr =
+ " (multi-homed address; other same-host interfaces maybe up)\n";
else
ptr = " (all multi-homed ip addresses down for the server)\n";
} else if (flag == 2) { /* server up mesg */
- ptr = " (multi-homed address; other same-host interfaces may still be down)\n";
+ ptr =
+ " (multi-homed address; other same-host interfaces may still be down)\n";
}
}
- afs_warn("%s%d.%d.%d.%d in cell %s%s%s",
- preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
- aserver->cell->cellName, postamble, ptr);
- afs_warnuser("%s%d.%d.%d.%d in cell %s%s%s",
- preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
- aserver->cell->cellName, postamble, ptr);
+ afs_warn("%s%d.%d.%d.%d in cell %s%s (code %d)%s", preamble, (address >> 24),
+ (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
+ aserver->cell->cellName, postamble, code, ptr);
+ afs_warnuser("%s%d.%d.%d.%d in cell %s%s (code %d)%s", preamble, (address >> 24),
+ (address >> 16) & 0xff, (address >> 8) & 0xff,
+ (address) & 0xff, aserver->cell->cellName, postamble, code, ptr);
-} /*print_internet_address*/
+} /*print_internet_address */
-/* * * * * * *
- * this code badly needs to be cleaned up... too many ugly ifdefs.
- * XXX
- */
-#if 0
-void afs_warn(char *a, long b, long c, long d, long e, long f,
- long g, long h, long i, long j)
-#else
-void afs_warn(a,b,c,d,e,f,g,h,i,j)
-char *a;
-#if defined( AFS_USE_VOID_PTR)
-void *b, *c, *d, *e, *f, *g, *h, *i, *j;
-#else
-long b,c,d,e,f,g,h,i,j;
-#endif
-#endif
-{
- AFS_STATCNT(afs_warn);
-
- if (afs_showflags & GAGCONSOLE)
- {
-#if defined(AFS_AIX_ENV)
- struct file *fd;
-
- /* cf. console_printf() in oncplus/kernext/nfs/serv/shared.c */
- if (fp_open("/dev/console",O_WRONLY|O_NOCTTY|O_NDELAY,
- 0666,0,FP_SYS,&fd) == 0) {
- char buf[1024];
- ssize_t len;
- ssize_t count;
-
- sprintf(buf, a,b,c,d,e,f,g,h,i,j);
- len = strlen(buf);
- fp_write(fd, buf, len, 0, UIO_SYSSPACE, &count);
- fp_close(fd);
- }
-#else
- printf(a,b,c,d,e,f,g,h,i,j);
-#endif
- }
-}
-
-#if 0
-void afs_warnuser(char *a, long b, long c, long d, long e, long f,
- long g, long h, long i, long j)
-#else
-void afs_warnuser(a,b,c,d,e,f,g,h,i,j)
-char *a;
-long b,c,d,e,f,g,h,i,j;
-#endif
-{
- AFS_STATCNT(afs_warnuser);
- if (afs_showflags & GAGUSER)
- {
-#ifdef AFS_GLOBAL_SUNLOCK
- int haveGlock = ISAFS_GLOCK();
- if (haveGlock)
- AFS_GUNLOCK();
-#endif /* AFS_GLOBAL_SUNLOCK */
-
- uprintf(a,b,c,d,e,f,g,h,i,j);
-
-#ifdef AFS_GLOBAL_SUNLOCK
- if (haveGlock)
- AFS_GLOCK();
-#endif /* AFS_GLOBAL_SUNLOCK */
- }
-}
-
-
/* run everywhere, checking locks */
-void afs_CheckLocks(void)
+void
+afs_CheckLocks(void)
{
- register int i;
+ int i;
afs_warn("Looking for locked data structures.\n");
- afs_warn("conn %x, volume %x, user %x, cell %x, server %x\n",
- afs_xconn, afs_xvolume, afs_xuser, afs_xcell, afs_xserver);
+ afs_warn("conn %p, volume %p, user %p, cell %p, server %p\n", &afs_xconn,
+ &afs_xvolume, &afs_xuser, &afs_xcell, &afs_xserver);
{
- register struct vcache *tvc;
+ struct vcache *tvc;
AFS_STATCNT(afs_CheckLocks);
- for(i=0;i<VCSIZE;i++) {
- for(tvc = afs_vhashT[i]; tvc; tvc=tvc->hnext) {
-#ifdef AFS_OSF_ENV
- if (VREFCOUNT(tvc) > 1)
-#else /* AFS_OSF_ENV */
+ for (i = 0; i < VCSIZE; i++) {
+ for (tvc = afs_vhashT[i]; tvc; tvc = tvc->hnext) {
+ if (tvc->f.states & CVInit) continue;
+#ifdef AFS_DARWIN80_ENV
+ if (vnode_isinuse(AFSTOV(tvc), 0))
+#else
if (VREFCOUNT(tvc))
#endif
- afs_warn("Stat cache entry at %x is held\n", tvc);
+ afs_warn("Stat cache entry at %p is held\n", tvc);
if (CheckLock(&tvc->lock))
- afs_warn("Stat entry at %x is locked\n", tvc);
+ afs_warn("Stat entry at %p is locked\n", tvc);
}
}
}
{
- register struct dcache *tdc;
- for (i=0;i<afs_cacheFiles;i++) {
+ struct dcache *tdc;
+ for (i = 0; i < afs_cacheFiles; i++) {
tdc = afs_indexTable[i];
if (tdc) {
if (tdc->refCount)
- afs_warn("Disk entry %d at %x is held\n", i, tdc);
+ afs_warn("Disk entry %d at %p is held\n", i, tdc);
}
if (afs_indexFlags[i] & IFDataMod)
- afs_warn("Disk entry %d at %x has IFDataMod flag set.\n", i, tdc);
+ afs_warn("Disk entry %d at %p has IFDataMod flag set.\n", i,
+ tdc);
}
}
{
- struct srvAddr *sa;
- struct server *ts;
- struct conn *tc;
- for (i=0;i<NSERVERS;i++) {
- for (ts = afs_servers[i]; ts; ts=ts->next) {
+ struct srvAddr *sa;
+ struct server *ts;
+ struct sa_conn_vector *tcv;
+ for (i = 0; i < NSERVERS; i++) {
+ for (ts = afs_servers[i]; ts; ts = ts->next) {
if (ts->flags & SRVR_ISDOWN)
- printf("Server entry %x is marked down\n", ts);
- for (sa = ts->addr; sa; sa = sa->next_sa) {
- for (tc = sa->conns; tc; tc=tc->next) {
- if (tc->refCount)
- afs_warn("conn at %x (server %x) is held\n", tc, sa->sa_ip);
+ afs_warn("Server entry %p is marked down\n", ts);
+ for (sa = ts->addr; sa; sa = sa->next_sa) {
+ for (tcv = sa->conns; tcv; tcv = tcv->next) {
+ if (tcv->refCount)
+ afs_warn("conn at %p (server %x) is held\n", tcv,
+ sa->sa_ip);
}
}
}
}
}
{
- struct volume *tv;
- for (i=0;i<NVOLS;i++) {
- for (tv = afs_volumes[i]; tv; tv=tv->next) {
+ struct volume *tv;
+ for (i = 0; i < NVOLS; i++) {
+ for (tv = afs_volumes[i]; tv; tv = tv->next) {
if (CheckLock(&tv->lock))
- afs_warn("volume at %x is locked\n", tv);
+ afs_warn("volume at %p is locked\n", tv);
if (tv->refCount)
- afs_warn("volume at %x is held\n", tv);
+ afs_warn("volume at %p is held\n", tv);
}
}
}
{
- struct unixuser *tu;
-
- for (i=0;i<NUSERS;i++) {
- for (tu = afs_users[i]; tu; tu=tu->next) {
- if (tu->refCount) printf("user at %x is held\n", tu);
+ struct unixuser *tu;
+
+ for (i = 0; i < NUSERS; i++) {
+ for (tu = afs_users[i]; tu; tu = tu->next) {
+ if (CheckLock(&tu->lock))
+ afs_warn("user at %p is locked\n", tu);
+ if (tu->refCount)
+ afs_warn("user at %lx is held\n", (unsigned long)tu);
}
}
}
}
-int afs_noop(void)
+int
+afs_noop(void)
{
AFS_STATCNT(afs_noop);
-#ifdef AFS_OSF30_ENV
- return (EOPNOTSUPP);
-#else
return EINVAL;
-#endif
}
-int afs_badop(void)
+int
+afs_badop(void)
{
AFS_STATCNT(afs_badop);
osi_Panic("afs bad vnode op");
* larger than an afs_int32.
*/
-afs_int32 afs_data_pointer_to_int32(const void *p)
+afs_int32
+afs_data_pointer_to_int32(const void *p)
{
- union {
- afs_int32 i32[sizeof(void *)/sizeof(afs_int32)];
- const void *p;
- } ip;
+ union {
+ afs_int32 i32[sizeof(void *) / sizeof(afs_int32)];
+ const void *p;
+ } ip;
- int i32_sub; /* subscript of least significant afs_int32 in ip.i32[] */
+ int i32_sub; /* subscript of least significant afs_int32 in ip.i32[] */
- /* set i32_sub */
+ /* set i32_sub */
- {
- /* used to determine the byte order of the system */
+ {
+ /* used to determine the byte order of the system */
+
+ union {
+ char c[sizeof(int) / sizeof(char)];
+ int i;
+ } ci;
+
+ ci.i = 1;
+ if (ci.c[0] == 1) {
+ /* little-endian system */
+ i32_sub = 0;
+ } else {
+ /* big-endian system */
+ i32_sub = (sizeof ip.i32 / sizeof ip.i32[0]) - 1;
+ }
+ }
- union {
- char c[sizeof(int)/sizeof(char)];
- int i;
- } ci;
+ ip.p = p;
+ return ip.i32[i32_sub];
+}
- ci.i = 1;
- if (ci.c[0] == 1) {
- /* little-endian system */
- i32_sub = 0;
- } else {
- /* big-endian system */
- i32_sub = (sizeof ip.i32 / sizeof ip.i32[0]) - 1;
- }
+#ifdef AFS_LINUX20_ENV
+static_inline afs_int32
+afs_calc_inum_md5(afs_int32 cell, afs_int32 volume, afs_int32 vnode)
+{
+ afs_int32 ino = 0, vno = vnode;
+ char digest[16];
+ struct md5 ct;
+
+ if (afs_new_inum) {
+ int offset;
+ MD5_Init(&ct);
+ MD5_Update(&ct, &cell, 4);
+ MD5_Update(&ct, &volume, 4);
+ MD5_Update(&ct, &vnode, 4);
+ MD5_Final(digest, &ct);
+
+ /* Userspace may react oddly to an inode number of 0 or 1, so keep
+ * reading more of the md5 digest if we get back one of those.
+ * Make sure not to read beyond the end of the digest; if we somehow
+ * still have a 0, we will fall through to the non-md5 calculation. */
+ for (offset = 0;
+ (ino == 0 || ino == 1) &&
+ offset + sizeof(ino) <= sizeof(digest);
+ offset++) {
+
+ memcpy(&ino, &digest[offset], sizeof(ino));
+ ino ^= (ino ^ vno) & 1;
+ ino &= 0x7fffffff; /* Assumes 32 bit ino_t ..... */
}
+ }
+ return ino;
+}
+#else
+# define afs_calc_inum_md5(cell, volume, vnode) 0
+#endif
- ip.p = p;
- return ip.i32[i32_sub];
+afs_int32
+afs_calc_inum(afs_int32 cell, afs_int32 volume, afs_int32 vnode)
+{
+ afs_int32 ino;
+
+ ino = afs_calc_inum_md5(cell, volume, vnode);
+
+ if (ino == 0 || ino == 1) {
+ ino = (volume << 16) + vnode;
+ }
+ ino &= 0x7fffffff; /* Assumes 32 bit ino_t ..... */
+ return ino;
}