#include <afsconfig.h>
#include "afs/param.h"
-RCSID
- ("$Header$");
#include "afs/sysincludes.h" /* Standard vendor system headers */
#include "afsincludes.h" /* Afs-based standard headers */
static int afs_pag_timewarn = 0;
static int
-afs_pag_sleep(struct AFS_UCRED **acred)
+afs_pag_sleep(afs_ucred_t **acred)
{
int rv = 0;
}
static int
-afs_pag_wait(struct AFS_UCRED **acred)
+afs_pag_wait(afs_ucred_t **acred)
{
if (afs_pag_sleep(acred)) {
if (!afs_pag_sleepcnt) {
int
#if defined(AFS_SUN5_ENV)
-afs_setpag(struct AFS_UCRED **credpp)
-#elif defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
-afs_setpag(struct proc *p, void *args, int *retval)
+afs_setpag(afs_ucred_t **credpp)
+#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+afs_setpag(afs_proc_t *p, void *args, int *retval)
#else
afs_setpag(void)
#endif
{
#if defined(AFS_SUN5_ENV)
- struct AFS_UCRED **acred = *credpp;
+ afs_ucred_t **acred = *credpp;
#elif defined(AFS_OBSD_ENV)
- struct AFS_UCRED **acred = &p->p_ucred;
+ afs_ucred_t **acred = &p->p_ucred;
#else
- struct AFS_UCRED **acred = NULL;
+ afs_ucred_t **acred = NULL;
#endif
int code = 0;
#if defined(AFS_SUN5_ENV)
code = AddPag(genpag(), credpp);
-#elif defined(AFS_OSF_ENV) || defined(AFS_XBSD_ENV)
+#elif defined(AFS_XBSD_ENV)
code = AddPag(p, genpag(), &p->p_rcred);
#elif defined(AFS_AIX41_ENV)
{
}
#elif defined(AFS_LINUX20_ENV)
{
- struct AFS_UCRED *credp = crref();
+ afs_ucred_t *credp = crref();
code = AddPag(genpag(), &credp);
crfree(credp);
}
#elif defined(AFS_DARWIN80_ENV)
{
- struct ucred *credp = kauth_cred_proc_ref(p);
+ afs_ucred_t *credp = kauth_cred_proc_ref(p);
code = AddPag(p, genpag(), &credp);
- kauth_cred_rele(credp);
+ crfree(credp);
}
#elif defined(AFS_DARWIN_ENV)
{
- struct ucred *credp = crdup(p->p_cred->pc_ucred);
+ afs_ucred_t *credp = crdup(p->p_cred->pc_ucred);
code = AddPag(p, genpag(), &credp);
crfree(credp);
}
*/
int
#if defined(AFS_SUN5_ENV)
-afs_setpag_val(struct AFS_UCRED **credpp, int pagval)
-#elif defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
-afs_setpag_val(struct proc *p, void *args, int *retval, int pagval)
+afs_setpag_val(afs_ucred_t **credpp, int pagval)
+#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+afs_setpag_val(afs_proc_t *p, void *args, int *retval, int pagval)
#else
afs_setpag_val(int pagval)
#endif
{
#if defined(AFS_SUN5_ENV)
- struct AFS_UCRED **acred = *credp;
+ afs_ucred_t **acred = *credp;
#elif defined(AFS_OBSD_ENV)
- struct AFS_UCRED **acred = &p->p_ucred;
+ afs_ucred_t **acred = &p->p_ucred;
#else
- struct AFS_UCRED **acred = NULL;
+ afs_ucred_t **acred = NULL;
#endif
int code = 0;
#if defined(AFS_SUN5_ENV)
code = AddPag(pagval, credpp);
-#elif defined(AFS_OSF_ENV) || defined(AFS_XBSD_ENV)
+#elif defined(AFS_XBSD_ENV)
code = AddPag(p, pagval, &p->p_rcred);
#elif defined(AFS_AIX41_ENV)
{
}
#elif defined(AFS_LINUX20_ENV)
{
- struct AFS_UCRED *credp = crref();
+ afs_ucred_t *credp = crref();
code = AddPag(pagval, &credp);
crfree(credp);
}
#ifndef AFS_LINUX26_ONEGROUP_ENV
int
-afs_getpag_val()
+afs_getpag_val(void)
{
int pagvalue;
- struct AFS_UCRED *credp = u.u_cred;
+ afs_ucred_t *credp = u.u_cred;
gid_t gidset0, gidset1;
#ifdef AFS_SUN510_ENV
const gid_t *gids;
/* Note - needs to be available on AIX, others can be static - rework this */
-#if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
int
-AddPag(struct proc *p, afs_int32 aval, struct AFS_UCRED **credpp)
+AddPag(afs_proc_t *p, afs_int32 aval, afs_ucred_t **credpp)
#else
int
-AddPag(afs_int32 aval, struct AFS_UCRED **credpp)
+AddPag(afs_int32 aval, afs_ucred_t **credpp)
#endif
{
- afs_int32 newpag, code;
+ afs_int32 code;
+ afs_uint32 newpag;
AFS_STATCNT(AddPag);
-#if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
if ((code = setpag(p, credpp, aval, &newpag, 0)))
#else
if ((code = setpag(credpp, aval, &newpag, 0)))
int
-afs_InitReq(register struct vrequest *av, struct AFS_UCRED *acred)
+afs_InitReq(register struct vrequest *av, afs_ucred_t *acred)
{
+#if defined(AFS_LINUX26_ENV) && !defined(AFS_NONFSTRANS)
int code;
+#endif
AFS_STATCNT(afs_InitReq);
memset(av, 0, sizeof(*av));
if (acred == NOCRED)
av->uid = -2; /* XXX nobody... ? */
else
- av->uid = acred->cr_uid; /* bsd creds don't have ruid */
+ av->uid = afs_cr_uid(acred); /* bsd creds don't have ruid */
#elif defined(AFS_SUN510_ENV)
av->uid = crgetruid(acred);
#else
- av->uid = acred->cr_ruid; /* default when no pag is set */
+ av->uid = afs_cr_uid(acred); /* default when no pag is set */
#endif
}
- av->initd = 0;
return 0;
}
-
-#ifdef AFS_LINUX26_ONEGROUP_ENV
-afs_uint32
-afs_get_pag_from_groups(struct group_info *group_info)
-{
- afs_uint32 g0 = 0;
- afs_uint32 i;
-
- AFS_STATCNT(afs_get_pag_from_groups);
- for (i = 0; (i < group_info->ngroups &&
- (g0 = GROUP_AT(group_info, i)) != (gid_t) NOGROUP); i++) {
- if (((g0 >> 24) & 0xff) == 'A')
- return g0;
- }
- return NOPAG;
-}
-#else
+#ifndef AFS_LINUX26_ONEGROUP_ENV
afs_uint32
afs_get_pag_from_groups(gid_t g0a, gid_t g1a)
{
h = (g0 >> 14);
h = (g1 >> 14) + h + h + h;
ret = ((h << 28) | l);
-#if defined(UKERNEL) && defined(AFS_WEB_ENHANCEMENTS)
+# if defined(UKERNEL) && defined(AFS_WEB_ENHANCEMENTS)
return ret;
-#else
+# else
/* Additional testing */
if (((ret >> 24) & 0xff) == 'A')
return ret;
-#endif /* UKERNEL && AFS_WEB_ENHANCEMENTS */
+# endif /* UKERNEL && AFS_WEB_ENHANCEMENTS */
}
return NOPAG;
}
-#endif
void
afs_get_groups_from_pag(afs_uint32 pag, gid_t * g0p, gid_t * g1p)
{
unsigned short g0, g1;
-
AFS_STATCNT(afs_get_groups_from_pag);
-#ifdef AFS_LINUX26_ONEGROUP_ENV
*g0p = pag;
*g1p = 0;
-#else
-#if !defined(UKERNEL) || !defined(AFS_WEB_ENHANCEMENTS)
+# if !defined(UKERNEL) || !defined(AFS_WEB_ENHANCEMENTS)
pag &= 0x7fffffff;
-#endif /* UKERNEL && AFS_WEB_ENHANCEMENTS */
+# endif /* UKERNEL && AFS_WEB_ENHANCEMENTS */
g0 = 0x3fff & (pag >> 14);
g1 = 0x3fff & pag;
g0 |= ((pag >> 28) / 3) << 14;
g1 |= ((pag >> 28) % 3) << 14;
*g0p = g0 + 0x3f00;
*g1p = g1 + 0x3f00;
-#endif
}
+#else
+void afs_get_groups_from_pag(afs_uint32 pag, gid_t *g0p, gid_t *g1p)
+{
+ AFS_STATCNT(afs_get_groups_from_pag);
+ *g0p = pag;
+ *g1p = 0;
+}
+#endif
-
-afs_int32
-PagInCred(const struct AFS_UCRED *cred)
+#ifndef AFS_LINUX26_ENV
+static afs_int32
+osi_get_group_pag(afs_ucred_t *cred)
{
- afs_int32 pag;
+ afs_int32 pag = NOPAG;
gid_t g0, g1;
#if defined(AFS_SUN510_ENV)
const gid_t *gids;
int ngroups;
#endif
- AFS_STATCNT(PagInCred);
- if (cred == NULL || cred == afs_osi_credp) {
- return NOPAG;
- }
#if defined(AFS_SUN510_ENV)
gids = crgetgroups(cred);
ngroups = crgetngroups(cred);
#endif
#if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
- if (cred == NOCRED || cred == FSCRED) {
+ if (cred == NOCRED || cred == FSCRED)
return NOPAG;
- }
if (cred->cr_ngroups < 3)
return NOPAG;
/* gid is stored in cr_groups[0] */
g0 = cred->cr_groups[1];
g1 = cred->cr_groups[2];
#else
-#if defined(AFS_AIX_ENV)
- if (cred->cr_ngrps < 2) {
+# if defined(AFS_AIX_ENV)
+ if (cred->cr_ngrps < 2)
return NOPAG;
- }
-#elif defined(AFS_LINUX26_ENV)
- if (cred->cr_group_info->ngroups < NUMPAGGROUPS) {
- pag = NOPAG;
- goto out;
- }
-#elif defined(AFS_SGI_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_DUX40_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_XBSD_ENV)
-#if defined(AFS_SUN510_ENV)
+# elif defined(AFS_LINUX26_ENV)
+ if (afs_cr_group_info(cred)->ngroups < NUMPAGGROUPS)
+ return NOPAG;
+# elif defined(AFS_SGI_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_XBSD_ENV)
+# if defined(AFS_SUN510_ENV)
if (ngroups < 2) {
-#else
+# else
if (cred->cr_ngroups < 2) {
-#endif
- pag = NOPAG;
- goto out;
+# endif
+ return NOPAG;
}
-#endif
-#if defined(AFS_AIX51_ENV)
+# endif
+# if defined(AFS_AIX51_ENV)
g0 = cred->cr_groupset.gs_union.un_groups[0];
g1 = cred->cr_groupset.gs_union.un_groups[1];
-#elif defined(AFS_LINUX26_ONEGROUP_ENV)
-#elif defined(AFS_LINUX26_ENV)
- g0 = GROUP_AT(cred->cr_group_info, 0);
- g1 = GROUP_AT(cred->cr_group_info, 1);
#elif defined(AFS_SUN510_ENV)
g0 = gids[0];
g1 = gids[1];
g1 = cred->cr_groups[1];
#endif
#endif
-#if defined(AFS_LINUX26_ONEGROUP_ENV)
- pag = (afs_int32) afs_get_pag_from_groups(cred->cr_group_info);
-#else
pag = (afs_int32) afs_get_pag_from_groups(g0, g1);
+ return pag;
+}
#endif
-out:
-#if defined(AFS_LINUX26_ENV) && defined(LINUX_KEYRING_SUPPORT)
- if (pag == NOPAG && cred->cr_rgid != NFSXLATOR_CRED) {
- struct key *key;
- afs_uint32 upag, newpag;
-
- key = request_key(&key_type_afs_pag, "_pag", NULL);
- if (!IS_ERR(key)) {
- if (key_validate(key) == 0 && key->uid == 0) { /* also verify in the session keyring? */
- upag = (afs_uint32) key->payload.value;
- if (((upag >> 24) & 0xff) == 'A') {
- __setpag(&cred, upag, &newpag, 0);
- pag = (afs_int32) upag;
- }
- }
- key_put(key);
- }
+
+
+afs_int32
+PagInCred(afs_ucred_t *cred)
+{
+ afs_int32 pag = NOPAG;
+
+ AFS_STATCNT(PagInCred);
+ if (cred == NULL || cred == afs_osi_credp) {
+ return NOPAG;
}
+#if defined(AFS_LINUX26_ENV) && defined(LINUX_KEYRING_SUPPORT)
+ /*
+ * If linux keyrings are in use and we carry the session keyring in our credentials
+ * structure, they should be the only criteria for determining
+ * if we're in a PAG. Groups are updated for legacy reasons only for now,
+ * and should not be used to infer PAG membership
+ * With keyrings but no kernel credentials, look at groups first and fall back
+ * to looking at the keyrings.
+ */
+# if !defined(STRUCT_TASK_HAS_CRED)
+ pag = osi_get_group_pag(cred);
+# endif
+ if (pag == NOPAG)
+ pag = osi_get_keyring_pag(cred);
+#else
+ pag = osi_get_group_pag(cred);
#endif
return pag;
}