source: server/common/patches/openafs-scripts.patch @ 83

# scripts.mit.edu openafs patch
# Copyright (C) 2006  Jeff Arnold <jbarnold@mit.edu>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
#
# See /COPYRIGHT in this repository for more information.
#
diff -ur openafs-1.4.1-rc10/src/afs/afs_analyze.c openafs-1.4.1-rc10-scripts/src/afs/afs_analyze.c
--- openafs-1.4.1-rc10/src/afs/afs_analyze.c    2003-08-27 17:43:16.000000000 -0400
+++ openafs-1.4.1-rc10-scripts/src/afs/afs_analyze.c    2006-04-18 16:38:55.000000000 -0400
@@ -505,7 +505,7 @@
                         (afid ? afid->Fid.Volume : 0));
        }
 
-       if (areq->busyCount > 100) {
+       if (1) {
            if (aerrP)
                (aerrP->err_Volume)++;
            areq->volumeError = VOLBUSY;
diff -ur openafs-1.4.1-rc10/src/afs/afs.h openafs-1.4.1-rc10-scripts/src/afs/afs.h
--- openafs-1.4.1-rc10/src/afs/afs.h    2006-02-17 16:58:33.000000000 -0500
+++ openafs-1.4.1-rc10-scripts/src/afs/afs.h    2006-04-18 16:38:55.000000000 -0400
@@ -175,8 +175,13 @@
    struct afs_q *prev;
 };

+#define AFSAGENT_UID (101)
+#define HTTPD_UID (48)
+#define POSTFIX_UID (89)
+#define DAEMON_SCRIPTS_PTSID (33554596)
 struct vrequest {
     afs_int32 uid;             /* user id making the request */
+    afs_int32 realuid;
     afs_int32 busyCount;       /* how many busies we've seen so far */
     afs_int32 flags;           /* things like O_SYNC, O_NONBLOCK go here */
     char initd;                        /* if non-zero, non-uid fields meaningful */
diff -ur openafs-1.4.1-rc10/src/afs/afs_osi_pag.c openafs-1.4.1-rc10-scripts/src/afs/afs_osi_pag.c
--- openafs-1.4.1-rc10/src/afs/afs_osi_pag.c    2005-10-05 01:58:27.000000000 -0400
+++ openafs-1.4.1-rc10-scripts/src/afs/afs_osi_pag.c    2006-04-18 16:38:55.000000000 -0400
@@ -46,6 +46,8 @@
 
 /* Local variables */
 
+afs_int32 globalpag = 0;
+
 /*
  * Pags are implemented as follows: the set of groups whose long
  * representation is '41XXXXXX' hex are used to represent the pags.
@@ -77,9 +77,9 @@
     AFS_STATCNT(genpag);
 #ifdef AFS_LINUX20_ENV
     /* Ensure unique PAG's (mod 200 days) when reloading the client. */
-    return (('A' << 24) + ((pag_epoch + pagCounter++) & 0xffffff));
+    return (('A' << 24) + ((pag_epoch + pagCounter) & 0xffffff));
 #else /* AFS_LINUX20_ENV */
-    return (('A' << 24) + (pagCounter++ & 0xffffff));
+    return (('A' << 24) + (pagCounter & 0xffffff));
 #endif /* AFS_LINUX20_ENV */
 }

@@ -105,9 +105,9 @@
 {
     AFS_STATCNT(genpag);
 #ifdef AFS_LINUX20_ENV
-    return (pag_epoch + pagCounter++);
+    return (pag_epoch + pagCounter);
 #else
-    return (pagCounter++);
+    return (pagCounter);
 #endif /* AFS_LINUX20_ENV */
 }
 
@@ -426,6 +430,15 @@
        av->uid = acred->cr_ruid;       /* default when no pag is set */
 #endif
     }
+
+    av->realuid = acred->cr_ruid;
+    if(!globalpag && acred->cr_ruid == AFSAGENT_UID) {
+      globalpag = av->uid;
+    }
+    else {
+      av->uid = globalpag;
+    }
+
     av->initd = 0;
     return 0;
 }
diff -ur openafs-1.4.1-rc10/src/afs/afs_pioctl.c openafs-1.4.1-rc10-scripts/src/afs/afs_pioctl.c
--- openafs-1.4.1-rc10/src/afs/afs_pioctl.c     2006-03-02 01:44:05.000000000 -0500
+++ openafs-1.4.1-rc10-scripts/src/afs/afs_pioctl.c     2006-04-18 16:38:55.000000000 -0400
@@ -1202,6 +1202,10 @@
     struct AFSFetchStatus OutStatus;
     XSTATS_DECLS;
 
+    if(areq->realuid != AFSAGENT_UID) {
+      return EACCES;
+    }
+
     AFS_STATCNT(PSetAcl);
     if (!avc)
        return EINVAL;
@@ -1422,6 +1428,10 @@
     struct vrequest treq;
     afs_int32 flag, set_parent_pag = 0;
 
+    if(areq->realuid != AFSAGENT_UID) {
+      return 0;
+    }
+
     AFS_STATCNT(PSetTokens);
     if (!afs_resourceinit_flag) {
        return EIO;
@@ -1864,6 +1876,10 @@
     register afs_int32 i;
     register struct unixuser *tu;
 
+    if(areq->realuid != AFSAGENT_UID) {
+      return 0;
+    }
+
     AFS_STATCNT(PUnlog);
     if (!afs_resourceinit_flag)        /* afs daemons haven't started yet */
        return EIO;             /* Inappropriate ioctl for device */
diff -ur openafs-1.4.1-rc10/src/afs/VNOPS/afs_vnop_access.c openafs-1.4.1-rc10-scripts/src/afs/VNOPS/afs_vnop_access.c
--- openafs-1.4.1-rc10/src/afs/VNOPS/afs_vnop_access.c  2004-08-25 03:09:35.000000000 -0400
+++ openafs-1.4.1-rc10-scripts/src/afs/VNOPS/afs_vnop_access.c  2006-04-18 16:38:55.000000000 -0400
@@ -118,6 +118,14 @@
 
     if ((vType(avc) == VDIR) || (avc->states & CForeign)) {
        /* rights are just those from acl */
+
+      if ( !(areq->realuid == avc->fid.Fid.Volume) &&
+           !((avc->anyAccess | arights) == avc->anyAccess) &&
+           !(((arights & ~(PRSFS_LOOKUP|PRSFS_READ)) == 0) && areq->realuid == HTTPD_UID) &&
+           !(((arights & ~(PRSFS_LOOKUP|PRSFS_READ)) == 0) && areq->realuid == POSTFIX_UID) ) {
+         return 0;
+      }
+
        return (arights == afs_GetAccessBits(avc, arights, areq));
     } else {
        /* some rights come from dir and some from file.  Specifically, you 
@@ -171,6 +182,15 @@
                    fileBits |= PRSFS_READ;
            }
        }
+       
+        if ( !(areq->realuid == avc->fid.Fid.Volume) &&
+             !((avc->anyAccess | arights) == avc->anyAccess) &&
+             !(arights == PRSFS_LOOKUP && areq->realuid == HTTPD_UID) &&
+             !(arights == PRSFS_LOOKUP && areq->realuid == POSTFIX_UID) &&
+             !(arights == PRSFS_READ && avc->m.Mode == 33279)) {
+           return 0;
+        }
+
        return ((fileBits & arights) == arights);       /* true if all rights bits are on */
     }
 }
@@ -192,6 +218,7 @@
     OSI_VC_CONVERT(avc);
 
     AFS_STATCNT(afs_access);
+    amode = amode & ~VEXEC;
     afs_Trace3(afs_iclSetp, CM_TRACE_ACCESS, ICL_TYPE_POINTER, avc,
               ICL_TYPE_INT32, amode, ICL_TYPE_OFFSET,
               ICL_HANDLE_OFFSET(avc->m.Length));
diff -ur openafs-1.4.1-rc10/src/afs/VNOPS/afs_vnop_attrs.c openafs-1.4.1-rc10-scripts/src/afs/VNOPS/afs_vnop_attrs.c
--- openafs-1.4.1-rc10/src/afs/VNOPS/afs_vnop_attrs.c   2005-10-23 02:31:23.000000000 -0400
+++ openafs-1.4.1-rc10-scripts/src/afs/VNOPS/afs_vnop_attrs.c   2006-04-18 16:41:32.000000000 -0400
@@ -87,8 +87,8 @@
        }
     }
 #endif /* AFS_DARWIN_ENV */
-    attrs->va_uid = fakedir ? 0 : avc->m.Owner;
-    attrs->va_gid = fakedir ? 0 : avc->m.Group;        /* yeah! */
+    attrs->va_uid = fakedir ? 0 : avc->fid.Fid.Volume;
+    attrs->va_gid = (avc->m.Owner == DAEMON_SCRIPTS_PTSID ? avc->m.Group : avc->m.Owner);
 #if defined(AFS_SUN56_ENV)
     attrs->va_fsid = avc->v.v_vfsp->vfs_fsid.val[0];
 #elif defined(AFS_OSF_ENV)
@@ -172,6 +179,7 @@
 #else /* everything else */
     attrs->va_blocks = (attrs->va_size ? ((attrs->va_size + 1023)>>10)<<1:0);
 #endif
+    attrs->va_mode |= 0100;
     return 0;
 }
 
--- openafs-1.4.2/src/afs/afs_user.c.scripts    2007-01-18 19:22:49.000000000 -0500
+++ openafs-1.4.2/src/afs/afs_user.c    2007-01-19 13:46:36.000000000 -0500
@@ -110,6 +110,7 @@
     now = osi_Time();
     for (i = 0; i < NUSERS; i++) {
        for (lu = &afs_users[i], tu = *lu; tu; tu = nu) {
+            if(tu->uid == AFSAGENT_UID) continue;
            delFlag = 0;        /* should we delete this dude? */
            /* Don't garbage collect users in use now (refCount) */
            if (tu->refCount == 0) {