/* ticket caching code */
#include <afsconfig.h>
-#if defined(UKERNEL)
-#include "afs/param.h"
-#else
#include <afs/param.h>
-#endif
-
-RCSID
- ("$Header$");
#if defined(UKERNEL)
-#include "afs/sysincludes.h"
#include "afsincludes.h"
-#include "afs/stds.h"
-#include "afs/pthread_glock.h"
-#include "afs/vice.h"
-#include "afs/auth.h"
-#include "afs/venus.h"
-#include "afs/pthread_glock.h"
-#include "afs/dirpath.h"
-
-#if !defined(min)
-#define min(a,b) ((a)<(b)?(a):(b))
-#endif /* !defined(min) */
-
-#else /* defined(UKERNEL) */
+#endif
#ifdef AFS_SUN5_ENV
#include <unistd.h>
#include <sys/lockf.h>
#ifdef AFS_AIX51_ENV
#include <sys/cred.h>
+#ifdef HAVE_SYS_PAG_H
#include <sys/pag.h>
#endif
#endif
+#endif
+#ifdef HAVE_CRT_EXTERNS_H
+#include <crt_externs.h>
+#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#include "auth.h"
+#include <afs/auth.h>
#include <afs/venus.h>
#include <afs/afsutil.h>
+
+#if !defined(UKERNEL)
#include <afs/sys_prototypes.h>
+#endif
-#endif /* defined(UKERNEL) */
+#if defined(LINUX_KEYRING_SUPPORT) && defined(HAVE_SESSION_TO_PARENT)
+#include <sys/syscall.h>
+#define KEYCTL_SESSION_TO_PARENT 18
+#endif
/* For malloc() */
#include <stdlib.h>
#ifdef AFS_KERBEROS_ENV
#include <fcntl.h>
#include <sys/file.h>
-#include "cellconfig.h"
+#include <afs/cellconfig.h>
static char lcell[MAXCELLCHARS];
#define TKT_ROOT "/tmp/tkt"
#define PIOCTL pioctl
#endif
-
-#ifdef KERNEL_KTC_COMPAT
-
-#ifndef KTC_SYSCALL
-#define KTC_SYSCALL 32
-#endif
-
-/* Kernel call opcode definitions */
-#define KTC_OPCODE_BASE 4300
-#define KTC_NO_OP (0+KTC_OPCODE_BASE)
-#define KTC_SETTOKEN_OP (1+KTC_OPCODE_BASE)
-#define KTC_GETTOKEN_OP (2+KTC_OPCODE_BASE)
-#define KTC_LISTTOKENS_OP (3+KTC_OPCODE_BASE)
-#define KTC_FORGETTOKEN_OP (4+KTC_OPCODE_BASE)
-#define KTC_FORGETALLTOKENS_OP (5+KTC_OPCODE_BASE)
-#define KTC_STATUS_OP (6+KTC_OPCODE_BASE)
-#define KTC_GC_OP (7+KTC_OPCODE_BASE)
-
-#define KTC_INTERFACE_VERSION 3
-
-/* We have to determine if the kernel supports the ktc system call. To do so
- * we attempt to execute its noop function. If this is successful we use the
- * kernel calls in the future otherwise we let the old code run. */
-
-/* To safely check to see whether a system call exists we have to intercept the
- * SIGSYS signal which is caused by executing a non-existant system call. If
- * it is ignored the syscall routine returns EINVAL. The SIGSYS is reset to
- * its old value after the return from syscall. */
-
-static int kernelKTC = 0;
-
-#ifdef AFS_DECOSF_ENV
-/*
- * SIGSYS semantics are broken on Dec AXP OSF/1 v1.2 systems. You need
- * to ignore SIGTRAP too. It is claimed to be fixed under v1.3, but...
- */
-
-#define CHECK_KERNEL \
- if (kernelKTC == 0) { \
- int code, ecode; \
- int (*old)(); \
- int (*old_t)(); \
- old = (int (*)())signal(SIGSYS, SIG_IGN); \
- old_t = (int (*)())signal(SIGTRAP, SIG_IGN); \
- code = syscall (KTC_SYSCALL, KTC_NO_OP, 0,0,0,0,0); \
- ecode = errno; \
- signal(SIGSYS, old); \
- signal(SIGTRAP, old_t); \
- if (code == 0) kernelKTC = 1; \
- else kernelKTC = 2; \
-/* printf ("returned from KTC_NO_OP kernelKTC <= %d; code=%d, errno=%d\n", kernelKTC, code, errno); */\
- }
-
-#else /* AFS_DECOSF_ENV */
-
-#define CHECK_KERNEL \
- if (kernelKTC == 0) { \
- int code, ecode; \
- int (*old)(); \
- old = (int (*)())signal(SIGSYS, SIG_IGN); \
- code = syscall (KTC_SYSCALL, KTC_NO_OP, 0,0,0,0,0); \
- ecode = errno; \
- signal(SIGSYS, old); \
- if (code == 0) kernelKTC = 1; \
- else kernelKTC = 2; \
-/* printf ("returned from KTC_NO_OP kernelKTC <= %d; code=%d, errno=%d\n", kernelKTC, code, errno); */\
- }
-#endif /* AFS_DECOSF_ENV */
-
-#define TRY_KERNEL(cmd,a1,a2,a3,a4) \
-{ CHECK_KERNEL; \
- if (kernelKTC == 1) \
- return syscall (KTC_SYSCALL, cmd, \
- KTC_INTERFACE_VERSION, a1,a2,a3,a4); \
-}
-
-#else
-#define TRY_KERNEL(cmd,a1,a2,a3,a4)
-#endif /* KERNEL_KTC_COMPAT */
-
#if !defined(UKERNEL)
/* this is a structure used to communicate with the afs cache mgr, but is
* otherwise irrelevant */
0}, {
0}};
-/* new interface routines to the ticket cache. Only handle afs service right
- * now. */
-
-static int
-NewSetToken(struct ktc_principal *aserver,
- struct ktc_token *atoken,
- struct ktc_principal *aclient,
- afs_int32 flags)
-{
- TRY_KERNEL(KTC_SETTOKEN_OP, aserver, aclient, atoken,
- sizeof(struct ktc_token));
- /* no kernel ticket cache */
- return EINVAL;
-}
#define MAXPIOCTLTOKENLEN \
(3*sizeof(afs_int32)+MAXKTCTICKETLEN+sizeof(struct ClearToken)+MAXKTCREALMLEN)
static int
-OldSetToken(struct ktc_principal *aserver, struct ktc_token *atoken,
+SetToken(struct ktc_principal *aserver, struct ktc_token *atoken,
struct ktc_principal *aclient, afs_int32 flags)
{
struct ViceIoctl iob;
/*
* Information needed by the user space cache manager
*/
- u.u_expiration = ct.EndTimestamp;
- u.u_viceid = ct.ViceId;
+ get_user_struct()->u_expiration = ct.EndTimestamp;
+ get_user_struct()->u_viceid = ct.ViceId;
#endif
temp = sizeof(struct ClearToken);
}
#else /* NO_AFS_CLIENT */
code = PIOCTL(0, VIOCSETTOK, &iob, 0);
+#if defined(LINUX_KEYRING_SUPPORT) && defined(HAVE_SESSION_TO_PARENT)
+ /*
+ * If we're using keyring based PAGs and the SESSION_TO_PARENT keyctl
+ * is available, use it to copy the session keyring to the parent process
+ */
+ if (flags & AFS_SETTOK_SETPAG)
+ syscall(SYS_keyctl, KEYCTL_SESSION_TO_PARENT);
+#endif
#endif /* NO_AFS_CLIENT */
if (code)
return KTC_PIOCTLFAIL;
struct ktc_principal *aclient,
afs_int32 flags)
{
- int ncode, ocode;
+ int code;
LOCK_GLOBAL_MUTEX;
#ifdef AFS_KERBEROS_ENV
}
}
- ncode = afs_tf_init(ktc_tkt_string(), W_TKT_FIL);
- if (ncode == NO_TKT_FIL) {
+ code = afs_tf_init(ktc_tkt_string(), W_TKT_FIL);
+ if (code == NO_TKT_FIL) {
(void)afs_tf_create(aclient->name, aclient->instance);
- ncode = afs_tf_init(ktc_tkt_string(), W_TKT_FIL);
+ code = afs_tf_init(ktc_tkt_string(), W_TKT_FIL);
}
- if (!ncode) {
+ if (!code) {
afs_tf_save_cred(aserver, atoken, aclient);
}
afs_tf_close();
#ifdef NO_AFS_CLIENT
UNLOCK_GLOBAL_MUTEX;
- return ncode;
+ return code;
#endif /* NO_AFS_CLIENT */
}
#endif
#ifndef NO_AFS_CLIENT
- ncode = NewSetToken(aserver, atoken, aclient, flags);
- if (ncode || /* new style failed */
- (strcmp(aserver->name, "afs") == 0)) { /* for afs tokens do both */
- ocode = OldSetToken(aserver, atoken, aclient, flags);
- } else
- ocode = 0;
- if (ncode && ocode) {
+ code = SetToken(aserver, atoken, aclient, flags);
+ if (code) {
UNLOCK_GLOBAL_MUTEX;
- if (ocode == -1)
- ocode = errno;
- else if (ocode == KTC_PIOCTLFAIL)
- ocode = errno;
- if (ocode == ESRCH)
+ if (code == -1)
+ code = errno;
+ else if (code == KTC_PIOCTLFAIL)
+ code = errno;
+ if (code == ESRCH)
return KTC_NOCELL;
- if (ocode == EINVAL)
+ if (code == EINVAL)
return KTC_NOPIOCTL;
- if (ocode == EIO)
+ if (code == EIO)
return KTC_NOCM;
return KTC_PIOCTLFAIL;
}
#endif
LOCK_GLOBAL_MUTEX;
-#ifndef NO_AFS_CLIENT
- TRY_KERNEL(KTC_GETTOKEN_OP, aserver, aclient, atoken, atokenLen);
-#endif /* NO_AFS_CLIENT */
#ifdef AFS_KERBEROS_ENV
if (!lcell[0])
int rc;
LOCK_GLOBAL_MUTEX;
- TRY_KERNEL(KTC_FORGETTOKEN_OP, aserver, 0, 0, 0);
-
rc = ktc_ForgetAllTokens(); /* bogus, but better */
UNLOCK_GLOBAL_MUTEX;
return rc;
memset(tbuffer, 0, sizeof(tbuffer));
LOCK_GLOBAL_MUTEX;
-#ifndef NO_AFS_CLIENT
- TRY_KERNEL(KTC_LISTTOKENS_OP, aserver, aprevIndex, aindex, 0);
-#endif /* NO_AFS_CLIENT */
index = aprevIndex;
#ifdef NO_AFS_CLIENT
return 0;
}
-/* discard all tokens from this user's cache */
-
static int
-NewForgetAll(void)
-{
-#ifndef NO_AFS_CLIENT
- TRY_KERNEL(KTC_FORGETALLTOKENS_OP, 0, 0, 0, 0);
-#endif /* NO_AFS_CLIENT */
- return EINVAL;
-}
-
-static int
-OldForgetAll(void)
+ForgetAll(void)
{
struct ViceIoctl iob;
register afs_int32 code;
int
ktc_ForgetAllTokens(void)
{
- int ncode, ocode;
+ int ocode;
LOCK_GLOBAL_MUTEX;
#ifdef AFS_KERBEROS_ENV
(void)afs_tf_dest_tkt();
#endif
- ncode = NewForgetAll();
- ocode = OldForgetAll();
- if (ncode && ocode) {
+ ocode = ForgetAll();
+ if (ocode) {
if (ocode == -1)
ocode = errno;
else if (ocode == KTC_PIOCTLFAIL)
int
ktc_OldPioctl(void)
{
- int rc;
- LOCK_GLOBAL_MUTEX;
-#ifdef KERNEL_KTC_COMPAT
- CHECK_KERNEL;
- rc = (kernelKTC != 1); /* old style interface */
+ return 1;
+}
+
+afs_uint32
+ktc_curpag(void)
+{
+ int code;
+ struct ViceIoctl iob;
+ afs_uint32 pag;
+
+ /* now setup for the pioctl */
+ iob.in = NULL;
+ iob.in_size = 0;
+ iob.out = (caddr_t) &pag;
+ iob.out_size = sizeof(afs_uint32);
+
+ code = PIOCTL(0, VIOC_GETPAG, &iob, 0);
+ if (code < 0) {
+#if defined(AFS_AIX52_ENV)
+ code = getpagvalue("afs");
+ if (code < 0 && errno == EINVAL)
+ code = 0;
+ return code;
+#elif defined(AFS_AIX51_ENV)
+ return -1;
#else
- rc = 1;
+ gid_t groups[NGROUPS_MAX];
+ afs_uint32 g0, g1;
+ afs_uint32 h, l, ret;
+ int ngroups;
+#ifdef AFS_LINUX26_ENV
+ int i;
#endif
- UNLOCK_GLOBAL_MUTEX;
- return rc;
+
+ ngroups = getgroups(sizeof groups / sizeof groups[0], groups);
+
+#ifdef AFS_LINUX26_ENV
+ /* check for AFS_LINUX26_ONEGROUP_ENV PAGs */
+ for (i = 0; i < ngroups; i++) {
+ if (((groups[i] >> 24) & 0xff) == 'A') {
+ return groups[i];
+ }
+ }
+#endif
+
+ if (ngroups < 2)
+ return 0;
+
+ g0 = groups[0] & 0xffff;
+ g1 = groups[1] & 0xffff;
+ g0 -= 0x3f00;
+ g1 -= 0x3f00;
+ if (g0 < 0xc000 && g1 < 0xc000) {
+ l = ((g0 & 0x3fff) << 14) | (g1 & 0x3fff);
+ h = (g0 >> 14);
+ h = (g1 >> 14) + h + h + h;
+ ret = ((h << 28) | l);
+ /* Additional testing */
+ if (((ret >> 24) & 0xff) == 'A')
+ return ret;
+ else
+ return -1;
+ }
+ return -1;
+#endif
+ }
+ return pag;
}
return 0;
}
-static afs_uint32
-curpag(void)
-{
-#if defined(AFS_AIX51_ENV)
- int code = getpagvalue("afs");
- if (code < 0 && errno == EINVAL)
- code = 0;
- return code;
-#else
- gid_t groups[NGROUPS_MAX];
- afs_uint32 g0, g1;
- afs_uint32 h, l, ret;
-
- if (getgroups(sizeof groups / sizeof groups[0], groups) < 2)
- return 0;
-
- g0 = groups[0] & 0xffff;
- g1 = groups[1] & 0xffff;
- g0 -= 0x3f00;
- g1 -= 0x3f00;
- if (g0 < 0xc000 && g1 < 0xc000) {
- l = ((g0 & 0x3fff) << 14) | (g1 & 0x3fff);
- h = (g0 >> 14);
- h = (g1 >> 14) + h + h + h;
- ret = ((h << 28) | l);
- /* Additional testing */
- if (((ret >> 24) & 0xff) == 'A')
- return ret;
- else
- return -1;
- }
- return -1;
-#endif
-}
-
int
ktc_newpag(void)
{
- extern char **environ;
+#if !defined(AFS_DARWIN100_ENV) || defined(HAVE_CRT_EXTERNS_H)
+# if defined(AFS_DARWIN100_ENV)
+# define environ (*_NSGetEnviron())
+# else
+extern char **environ;
+# endif
afs_uint32 pag;
struct stat sbuf;
char fname[256], *prefix = "/ticket/";
+ char fname5[256], *prefix5 = "FILE:/ticket/krb5cc_";
int numenv;
char **newenv, **senv, **denv;
LOCK_GLOBAL_MUTEX;
if (stat("/ticket", &sbuf) == -1) {
prefix = "/tmp/tkt";
+ prefix5 = "FILE:/tmp/krb5cc_";
}
- pag = curpag() & 0xffffffff;
+ pag = ktc_curpag() & 0xffffffff;
if (pag == -1) {
sprintf(fname, "%s%d", prefix, getuid());
+ sprintf(fname5, "%s%d", prefix5, getuid());
} else {
- sprintf(fname, "%sp%ld", prefix, (long int) pag);
+ sprintf(fname, "%sp%lu", prefix, afs_printable_uint32_lu(pag));
+ sprintf(fname5, "%sp%lud", prefix5, afs_printable_uint32_lu(pag));
}
ktc_set_tkt_string(fname);
newenv = (char **)malloc((numenv + 2) * sizeof(char *));
for (senv = environ, denv = newenv; *senv; senv++) {
- if (strncmp(*senv, "KRBTKFILE=", 10) != 0)
+ if (strncmp(*senv, "KRBTKFILE=", 10) != 0 &&
+ strncmp(*senv, "KRB5CCNAME=", 11) != 0)
*denv++ = *senv;
}
- *denv = (char *)malloc(10 + strlen(fname) + 1);
+ *denv = malloc(10+11 + strlen(fname) + strlen(fname5) + 2);
strcpy(*denv, "KRBTKFILE=");
strcat(*denv, fname);
+ *(denv+1) = *denv + strlen(*denv) + 1;
+ denv++;
+ strcpy(*denv, "KRB5CCNAME=");
+ strcat(*denv, fname5);
*++denv = 0;
environ = newenv;
UNLOCK_GLOBAL_MUTEX;
+#endif
return 0;
}
static void
ktc_LocalCell(void)
{
- int code;
+ int code = 0;
struct afsconf_dir *conf;
if ((conf = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))
git://git.openafs.org / openafs.git / blobdiff