+++ /dev/null
-/* Copyright (C) 1990, 1989 Transarc Corporation - All rights reserved */
-/*
- * P_R_P_Q_# (C) COPYRIGHT IBM CORPORATION 1988
- * LICENSED MATERIALS - PROPERTY OF IBM
- * REFER TO COPYRIGHT INSTRUCTIONS FORM NUMBER G120-2083
- */
-
-/*
- Sherri Nichols
- Information Technology Center
- November, 1988
-*/
-
-#include <afs/param.h>
-#include <afs/stds.h>
-#include <ctype.h>
-#include <stdio.h>
-#ifdef AFS_HPUX_ENV
-#include <string.h>
-#else
-#include <strings.h>
-#endif
-#include <lock.h>
-#include <ubik.h>
-#include <rx/xdr.h>
-#include <rx/rx.h>
-#include <rx/rxkad.h>
-#include <afs/auth.h>
-#include <netinet/in.h>
-#include "ptserver.h"
-#include "pterror.h"
-
-#if defined(CROSS_CELL) && !defined(WhoIsThisWithName)
-static long WhoIsThisWithName();
-#endif
-
-
-RCSID ("$Header$")
-
-extern struct ubik_dbase *dbase;
-extern long Initdb();
-extern int pr_noAuth;
-extern char *prdir;
-
-static int CreateOK (ut, cid, oid, flag, admin)
- struct ubik_trans *ut;
- long cid; /* id of caller */
- long oid; /* id of owner */
- long flag; /* indicates type of entry */
- int admin; /* sysadmin membership */
-{
- if (flag & (PRGRP | PRFOREIGN)) {
- /* Allow anonymous group creation only if owner specified and running
- * noAuth. */
- if (cid == ANONYMOUSID) {
- if ((oid == 0) || !pr_noAuth) return 0;
- }
- }
- else { /* creating a user */
- if (!admin && !pr_noAuth) return 0;
- }
- return 1; /* OK! */
-}
-
-#if !defined(WhoIsThis)
-long WhoIsThis (acall, at, aid)
- struct rx_call *acall;
- struct ubik_trans *at;
- long *aid;
-{
- /* aid is set to the identity of the caller, if known, else ANONYMOUSID */
- /* returns -1 and sets aid to ANONYMOUSID on any failure */
- register struct rx_connection *tconn;
- register long code;
- char tcell[MAXKTCREALMLEN];
- char name[MAXKTCNAMELEN];
- char inst[MAXKTCNAMELEN];
- int ilen;
- char vname[256];
-#ifdef CROSS_CELL
- int foreign = 0;
-#endif
-
- *aid = SYSADMINID;
- return 0;
-
- *aid = ANONYMOUSID;
- tconn = rx_ConnectionOf(acall);
- code = rx_SecurityClassOf(tconn);
- if (code == 0) return 0;
- else if (code == 1) { /* vab class */
- goto done; /* no longer supported */
- }
- else if (code == 2) { /* kad class */
- if (code = rxkad_GetServerInfo
- (acall->conn, (long *) 0, 0/*was &exp*/,
- name, inst, tcell, (long *) 0))
- goto done;
-#if 0
- /* This test is unnecessary, since rxkad_GetServerInfo already check.
- * In addition, this is wrong since exp must be unsigned. */
- if (exp < FT_ApproxTime()) goto done;
-#endif
- if (strlen (tcell)) {
- if (!afsconf_LocalRealm(prdir, tcell)) {
-#ifdef CROSS_CELL
- foreign = 1;
-#else
- goto done;
-#endif
- }
- }
- strncpy (vname, name, sizeof(vname));
- if (ilen = strlen (inst)) {
- if (strlen(vname) + 1 + ilen >= sizeof(vname)) goto done;
- strcat (vname, ".");
- strcat (vname, inst);
- }
-#ifdef CROSS_CELL
- if (foreign) {
- if ((strlen(name)+strlen(tcell)+1) >= sizeof(vname)) {
- goto done;
- }
- strcat (vname, "@");
- strcat (vname, tcell);
- }
-#endif
- if (strcmp (AUTH_SUPERUSER, vname) == 0)
- *aid = SYSADMINID; /* special case for the fileserver */
- else {
- lcstring(vname, vname, sizeof(vname));
- code = NameToID(at,vname,aid);
- }
- }
- done:
- if (code && !pr_noAuth) return -1;
- return 0;
-}
-#endif
-
-long PR_INewEntry(call,aname,aid,oid)
- struct rx_call *call;
- char aname[PR_MAXNAMELEN];
- long aid;
- long oid;
-{
- /* used primarily for conversion - not intended to be used as usual means
- of entering people into the database. */
- struct ubik_trans *tt;
- register long code;
- long gflag = 0;
- long cid;
- int admin;
-
-#define abort_with(code) return (ubik_AbortTrans(tt),code)
-
- stolower(aname);
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS, &tt);
- if (code) return code;
- code = ubik_SetLock(tt, 1,1,LOCKWRITE);
- if (code) abort_with (code);
-
- code = WhoIsThis(call,tt,&cid);
- if (code) abort_with (PRPERM);
- admin = IsAMemberOf(tt,cid,SYSADMINID);
-
- /* first verify the id is good */
- if (aid == 0) abort_with (PRPERM);
- if (aid < 0) {
- gflag |= PRGRP;
- /* only sysadmin can reuse a group id */
- if (!admin && !pr_noAuth && (aid != ntohl(cheader.maxGroup)-1))
- abort_with (PRPERM);
- }
- if (FindByID (tt, aid)) abort_with (PRIDEXIST);
-
- /* check a few other things */
- if (!CreateOK (tt, cid, oid, gflag, admin)) abort_with (PRPERM);
-
- code = CreateEntry (tt,aname,&aid,1,gflag,oid,cid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- /* finally, commit transaction */
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-
-long PR_NewEntry (call, aname, flag, oid, aid)
- struct rx_call *call;
- char aname[PR_MAXNAMELEN];
- long flag;
- long oid;
- long *aid;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
- int admin;
-#ifdef CROSS_CELL
- char cname[PR_MAXNAMELEN];
-#endif
-
- stolower(aname);
- code = Initdb();
- if (code) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
-
-#ifdef CROSS_CELL
- /* this is for cross-cell self registration */
- code = WhoIsThisWithName(call,tt,&cid,cname);
- if (code != 2) { /* 2 specifies that this is a foreign cell request */
- if (code) {
- perm:
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- admin = IsAMemberOf(tt,cid,SYSADMINID);
- } else {
- admin = (!strcmp(aname,cname)) || IsAMemberOf(tt,cid,SYSADMINID);
- oid = cid = SYSADMINID;
- }
-#else
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- perm:
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- admin = IsAMemberOf(tt,cid,SYSADMINID);
-#endif
-
- if (!CreateOK (tt, cid, oid, flag, admin)) goto perm;
-
- code = CreateEntry (tt,aname,aid,0,flag,oid,cid);
- if (code != PRSUCCESS) goto abort;
-
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-
-
-PR_WhereIsIt(call,aid,apos)
-struct rx_call *call;
-long aid;
-long *apos;
-{
- register long code;
- struct ubik_trans *tt;
- long temp;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- temp = FindByID(tt,aid);
- if (!temp) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- *apos = temp;
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-
-PR_DumpEntry(call,apos, aentry)
-struct rx_call *call;
-long apos;
-struct prdebugentry *aentry;
-{
- register long code;
- struct ubik_trans *tt;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
- code = pr_ReadEntry(tt, 0, apos, aentry);
- if (code) goto abort;
-
- /* Since prdebugentry is in the form of a prentry not a coentry, we will
- * return the coentry slots in network order where the string is. */
-#if 0
- if (aentry->flags & PRCONT) { /* wrong type, get coentry instead */
- code = pr_ReadCoEntry(tt, 0, apos, aentry);
- if (code) goto abort;
- }
-#endif
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-PR_AddToGroup(call,aid,gid)
-struct rx_call *call;
-long aid;
-long gid;
-{
- register long code;
- struct ubik_trans *tt;
- long tempu;
- long tempg;
- struct prentry tentry;
- struct prentry uentry;
- long cid;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- if (gid == ANYUSERID || gid == AUTHUSERID) return PRPERM;
- if (aid == ANONYMOUSID) return PRPERM;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call, tt, &cid);
- if (code) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- tempu = FindByID(tt,aid);
- if (!tempu) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- bzero(&uentry,sizeof(uentry));
- code = pr_ReadEntry(tt,0,tempu,&uentry);
- if (code != 0) {
- ubik_AbortTrans(tt);
- return code;
- }
- /* we don't allow groups as members of groups at present */
- if (uentry.flags & PRGRP) {
- ubik_AbortTrans(tt);
- return PRNOTUSER;
- }
- tempg = FindByID(tt,gid);
- if (!tempg) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- code = pr_ReadEntry(tt,0,tempg,&tentry);
- if (code != 0) {
- ubik_AbortTrans(tt);
- return code;
- }
- /* make sure that this is a group */
- if (!(tentry.flags & PRGRP)) {
- ubik_AbortTrans(tt);
- return PRNOTGROUP;
- }
- if (!AccessOK (tt, cid, &tentry, PRP_ADD_MEM, PRP_ADD_ANY)) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
-
- code = AddToEntry (tt, &tentry, tempg, aid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- /* now, modify the user's entry as well */
- code = AddToEntry (tt, &uentry, tempu, gid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-long PR_NameToID (call, aname, aid)
- struct rx_call *call;
- namelist *aname;
- idlist *aid;
-{
- register long code;
- struct ubik_trans *tt;
- long i;
- int size;
- int count = 0;
-
- /* must do this first for RPC stub to work */
- size = aname->namelist_len;
- if ((size <= 0) || (size > PR_MAXLIST)) size = 0;
- aid->idlist_val = (long *)malloc(size*sizeof(long));
- aid->idlist_len = 0;
- if (aname->namelist_len == 0) return 0;
- if (size == 0) return PRTOOMANY; /* rxgen will probably handle this */
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- for (i=0;i<aname->namelist_len;i++) {
- code = NameToID(tt,aname->namelist_val[i],&aid->idlist_val[i]);
- if (code != PRSUCCESS) aid->idlist_val[i] = ANONYMOUSID;
- if (count++ > 50) IOMGR_Poll(), count = 0;
- }
- aid->idlist_len = aname->namelist_len;
-
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-long PR_IDToName (call, aid, aname)
- struct rx_call *call;
- idlist *aid;
- namelist *aname;
-{
- register long code;
- struct ubik_trans *tt;
- long i;
- int size;
- int count = 0;
-
- /* leave this first for rpc stub */
- size = aid->idlist_len;
- if ((size <= 0) || (size > PR_MAXLIST)) size = 0;
- aname->namelist_val = (prname *)malloc(size*PR_MAXNAMELEN);
- aname->namelist_len = 0;
- if (aid->idlist_len == 0) return 0;
- if (size == 0) return PRTOOMANY; /* rxgen will probably handle this */
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- for (i=0;i<aid->idlist_len;i++) {
- /* interface won't allow more than PR_MAXLIST to be sent in */
- code = IDToName(tt,aid->idlist_val[i],aname->namelist_val[i]);
- if (code != PRSUCCESS)
- sprintf(aname->namelist_val[i],"%d",aid->idlist_val[i]);
- if (count++ > 50) IOMGR_Poll(), count = 0;
- }
- aname->namelist_len = aid->idlist_len;
-
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-long PR_Delete (call, aid)
- struct rx_call *call;
- long aid;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
- struct prentry tentry;
- long loc, nptr;
- int count;
-
- code = Initdb();
- if (code) return code;
- if (code != PRSUCCESS) return code;
- if (aid == SYSADMINID || aid == ANYUSERID || aid == AUTHUSERID ||
- aid == ANONYMOUSID) return PRPERM;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
-
- /* Read in entry to be deleted */
- loc = FindByID (tt, aid);
- if (loc == 0) {code = PRNOENT; goto abort;}
- code = pr_ReadEntry (tt, 0, loc, &tentry);
- if (code) {code = PRDBFAIL; goto abort;}
-
- /* Do some access checking */
- if (tentry.owner != cid &&
- !IsAMemberOf (tt, cid, SYSADMINID) &&
- !IsAMemberOf (tt, cid, tentry.owner) && !pr_noAuth)
- {code = PRPERM; goto abort;}
-
- /* Delete each continuation block as a separate transaction so that no one
- * transaction become to large to complete. */
- nptr = tentry.next;
- while (nptr != NULL) {
- struct contentry centry;
- int i;
-
- code = pr_ReadCoEntry(tt, 0, nptr, ¢ry);
- if (code != 0) {code = PRDBFAIL; goto abort;}
- for (i=0;i<COSIZE;i++) {
- if (centry.entries[i] == PRBADID) continue;
- if (centry.entries[i] == 0) break;
- code = RemoveFromEntry (tt, aid, centry.entries[i]);
- if (code) goto abort;
- tentry.count--; /* maintain count */
- if ((i&3) == 0) IOMGR_Poll();
- }
- tentry.next = centry.next; /* thread out this block */
- code = FreeBlock (tt, nptr); /* free continuation block */
- if (code) goto abort;
- code = pr_WriteEntry (tt, 0, loc, &tentry); /* update main entry */
- if (code) goto abort;
-
- /* end this trans and start a new one */
- code = ubik_EndTrans(tt);
- if (code) return code;
- IOMGR_Poll(); /* just to keep the connection alive */
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) goto abort;
-
- /* re-read entry to get consistent uptodate info */
- loc = FindByID (tt, aid);
- if (loc == 0) {code = PRNOENT; goto abort;}
- code = pr_ReadEntry (tt, 0, loc, &tentry);
- if (code) {code = PRDBFAIL; goto abort;}
-
- nptr = tentry.next;
- }
-
- /* Then move the owned chain, except possibly ourself to the orphan list.
- * Because this list can be very long and so exceed the size of a ubik
- * transaction, we start a new transaction every 50 entries. */
- count = 0;
- nptr = tentry.owned;
- while (nptr != NULL) {
- struct prentry nentry;
-
- code = pr_ReadEntry (tt, 0, nptr, &nentry);
- if (code) {code = PRDBFAIL; goto abort;}
- nptr = tentry.owned = nentry.nextOwned; /* thread out */
-
- if (nentry.id != tentry.id) { /* don't add us to orphan chain! */
- code = AddToOrphan (tt, nentry.id);
- if (code) goto abort;
- count++;
- if ((count & 3) == 0) IOMGR_Poll();
- }
- if (count < 50) continue;
- code = pr_WriteEntry (tt, 0, loc, &tentry); /* update main entry */
- if (code) goto abort;
-
- /* end this trans and start a new one */
- code = ubik_EndTrans(tt);
- if (code) return code;
- IOMGR_Poll(); /* just to keep the connection alive */
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) goto abort;
-
- /* re-read entry to get consistent uptodate info */
- loc = FindByID (tt, aid);
- if (loc == 0) {code = PRNOENT; goto abort;}
- code = pr_ReadEntry (tt, 0, loc, &tentry);
- if (code) {code = PRDBFAIL; goto abort;}
-
- nptr = tentry.owned;
- }
-
- /* now do what's left of the deletion stuff */
- code = DeleteEntry (tt, &tentry, loc);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-PR_RemoveFromGroup(call,aid,gid)
-struct rx_call *call;
-long aid;
-long gid;
-{
- register long code;
- struct ubik_trans *tt;
- long tempu;
- long tempg;
- struct prentry uentry;
- struct prentry gentry;
- long cid;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- tempu = FindByID(tt,aid);
- if (!tempu) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- tempg = FindByID(tt,gid);
- if (!tempg) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- bzero(&uentry,sizeof(uentry));
- bzero(&gentry,sizeof(gentry));
- code = pr_ReadEntry(tt,0,tempu,&uentry);
- if (code != 0) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = pr_ReadEntry(tt,0,tempg,&gentry);
- if (code != 0) {
- ubik_AbortTrans(tt);
- return code;
- }
- if (!(gentry.flags & PRGRP)) {
- ubik_AbortTrans(tt);
- return PRNOTGROUP;
- }
- if (uentry.flags & PRGRP) {
- ubik_AbortTrans(tt);
- return PRNOTUSER;
- }
- if (!AccessOK (tt, cid, &gentry, PRP_REMOVE_MEM, 0)) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- code = RemoveFromEntry(tt,aid,gid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = RemoveFromEntry(tt,gid,aid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-long PR_GetCPS (call, aid, alist, over)
- struct rx_call *call;
- long aid;
- prlist *alist;
- long *over;
-{
- register long code;
- struct ubik_trans *tt;
- long temp;
- long cid;
- struct prentry tentry;
-
- alist->prlist_len = 0;
- alist->prlist_val = (long *) 0;
- code = Initdb();
- if (code != PRSUCCESS) goto done;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) goto done;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- goto done;
- }
-
- temp = FindByID (tt, aid);
- if (!temp) {code = PRNOENT; goto abort;}
- code = pr_ReadEntry (tt, 0, temp, &tentry);
- if (code) goto abort;
-
- /* afs does authenticate now */
- code = WhoIsThis (call, tt, &cid);
- if (code || !AccessOK (tt, cid, &tentry, PRP_MEMBER_MEM, PRP_MEMBER_ANY)) {
- code = PRPERM;
- goto abort;
- }
-
- code = GetList(tt, &tentry, alist, 1);
- *over = 0;
- if (code == PRTOOMANY) *over = 1;
- else if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- goto done;
- }
-
- code = ubik_EndTrans(tt);
-
-done:
- /* return code, making sure that prlist_val points to malloc'd memory */
- if (!alist->prlist_val)
- alist->prlist_val = (long *) malloc(0); /* make xdr stub happy */
- return code;
-}
-
-PR_ListMax(call,uid,gid)
-struct rx_call *call;
-long *uid;
-long *gid;
-{
- register long code;
- struct ubik_trans *tt;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = GetMax(tt,uid,gid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-PR_SetMax(call,aid,gflag)
-struct rx_call *call;
-long aid;
-long gflag;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- if (!AccessOK (tt, cid, 0, 0, 0)) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- if (((gflag & PRGRP) && (aid > 0)) ||
- (!(gflag & PRGRP) && (aid < 0))) {
- code = PRBADARG;
- goto abort;
- }
-
- code = SetMax(tt,aid,gflag);
- if (code != PRSUCCESS) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-PR_ListEntry(call,aid,aentry)
-struct rx_call *call;
-long aid;
-struct prcheckentry *aentry;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
- long temp;
- struct prentry tentry;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- perm:
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- temp = FindByID(tt,aid);
- if (!temp) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- code = pr_ReadEntry(tt, 0, temp, &tentry);
- if (code != 0) {
- ubik_AbortTrans(tt);
- return code;
- }
- if (!AccessOK (tt, cid, &tentry, PRP_STATUS_MEM, PRP_STATUS_ANY))
- goto perm;
-
- aentry->flags = tentry.flags >> PRIVATE_SHIFT;
- if (aentry->flags == 0)
- if (tentry.flags & PRGRP)
- aentry->flags = PRP_GROUP_DEFAULT >> PRIVATE_SHIFT;
- else aentry->flags = PRP_USER_DEFAULT >> PRIVATE_SHIFT;
- aentry->owner = tentry.owner;
- aentry->id = tentry.id;
- strncpy(aentry->name,tentry.name,PR_MAXNAMELEN);
- aentry->creator = tentry.creator;
- aentry->ngroups = tentry.ngroups;
- aentry->nusers = tentry.nusers;
- aentry->count = tentry.count;
- bzero (aentry->reserved, sizeof(aentry->reserved));
- code = ubik_EndTrans(tt);
- if (code) return code;
- return PRSUCCESS;
-}
-
-PR_ChangeEntry(call,aid,name,oid,newid)
-struct rx_call *call;
-long aid;
-char *name;
-long oid;
-long newid;
-{
- register long code;
- struct ubik_trans *tt;
- long pos;
- long cid;
-
- stolower(name);
- code = Initdb();
- if (code) return code;
- if (aid == ANYUSERID || aid == AUTHUSERID || aid == ANONYMOUSID ||
- aid == SYSADMINID) return PRPERM;
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- pos = FindByID(tt,aid);
- if (!pos) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- /* protection check in changeentry */
- code = ChangeEntry(tt,aid,cid,name,oid,newid);
- if (code != PRSUCCESS) {
- ubik_AbortTrans(tt);
- return code;
- }
- code = ubik_EndTrans(tt);
- return code;
-}
-
-PR_SetFieldsEntry(call, id, mask, flags, ngroups, nusers, spare1, spare2)
- struct rx_call *call;
- long id;
- long mask; /* specify which fields to update */
- long flags, ngroups, nusers;
- long spare1, spare2;
-{
- register long code;
- struct ubik_trans *tt;
- long pos;
- long cid;
- struct prentry tentry;
- long tflags;
-
- if (mask == 0) return 0; /* no-op */
- code = Initdb();
- if (code) return code;
- if (id == ANYUSERID || id == AUTHUSERID || id == ANONYMOUSID)
- return PRPERM;
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_WRITETRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKWRITE);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- perm:
- ubik_AbortTrans(tt);
- return PRPERM;
- }
- pos = FindByID(tt,id);
- if (!pos) {
- ubik_AbortTrans(tt);
- return PRNOENT;
- }
- code = pr_ReadEntry (tt, 0, pos, &tentry);
- if (code) goto abort;
- tflags = tentry.flags;
-
- if (mask & (PR_SF_NGROUPS | PR_SF_NUSERS)) {
- if (!AccessOK (tt, cid, 0, 0, 0)) goto perm;
- if ((tflags & PRQUOTA) == 0) { /* default if only setting one */
- tentry.ngroups = tentry.nusers = 20;
- }
- } else {
- if (!AccessOK (tt, cid, &tentry, 0, 0)) goto perm;
- }
-
- if (mask & 0xffff) { /* if setting flag bits */
- long flagsMask = mask & 0xffff;
- tflags &= ~(flagsMask << PRIVATE_SHIFT);
- tflags |= (flags & flagsMask) << PRIVATE_SHIFT;
- tflags |= PRACCESS;
- }
-
- if (mask & PR_SF_NGROUPS) { /* setting group limit */
- if (ngroups < 0) {code = PRBADARG; goto abort;}
- tentry.ngroups = ngroups;
- tflags |= PRQUOTA;
- }
-
- if (mask & PR_SF_NUSERS) { /* setting foreign user limit */
- if (nusers < 0) {code = PRBADARG; goto abort;}
- tentry.nusers = nusers;
- tflags |= PRQUOTA;
- }
- tentry.flags = tflags;
-
- code = pr_WriteEntry (tt, 0, pos, &tentry);
- if (code) goto abort;
-
- code = ubik_EndTrans(tt);
- return code;
-}
-
-long PR_ListElements (call, aid, alist, over)
- struct rx_call *call;
- long aid;
- prlist *alist;
- long *over;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
- long temp;
- struct prentry tentry;
-
- alist->prlist_len = 0;
- alist->prlist_val = (long *) 0;
-
- code = Initdb();
- if (code != PRSUCCESS) goto done;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) goto done;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- goto done;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- perm:
- code = PRPERM;
- ubik_AbortTrans(tt);
- goto done;
- }
-
- temp = FindByID(tt,aid);
- if (!temp) {code = PRNOENT; goto abort;}
- code = pr_ReadEntry (tt, 0, temp, &tentry);
- if (code) goto abort;
- if (!AccessOK (tt, cid, &tentry, PRP_MEMBER_MEM, PRP_MEMBER_ANY))
- goto perm;
-
- code = GetList (tt, &tentry, alist, 0);
- *over = 0;
- if (code == PRTOOMANY) *over = 1;
- else if (code != PRSUCCESS) goto abort;
-
- code = ubik_EndTrans(tt);
-
-done:
- if (!alist->prlist_val)
- alist->prlist_val = (long *) malloc(0); /* make calling stub happy */
- return code;
-}
-
-/* List the entries owned by this id. If the id is zero return the orphans
- * list. */
-
-PR_ListOwned (call, aid, alist, over)
- struct rx_call *call;
- long aid;
- prlist *alist;
- long *over;
-{
- register long code;
- struct ubik_trans *tt;
- long cid;
- struct prentry tentry;
- long head;
-
- alist->prlist_len = 0;
- alist->prlist_val = (long *) 0;
-
- code = Initdb();
- if (code != PRSUCCESS) goto done;
- code = ubik_BeginTransReadAny(dbase,UBIK_READTRANS,&tt);
- if (code) goto done;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- goto done;
- }
- code = WhoIsThis(call,tt,&cid);
- if (code) {
- perm:
- code = PRPERM;
- ubik_AbortTrans(tt);
- goto done;
- }
-
- if (aid) {
- long loc = FindByID (tt, aid);
- if (loc == 0) { code = PRNOENT; goto abort; }
- code = pr_ReadEntry (tt, 0, loc, &tentry);
- if (code) goto abort;
-;
- if (!AccessOK (tt, cid, &tentry, -1, PRP_OWNED_ANY)) goto perm;
- head = tentry.owned;
- } else {
- if (!AccessOK (tt, cid, 0, 0, 0)) goto perm;
- head = ntohl(cheader.orphan);
- }
-
- code = GetOwnedChain (tt, head, alist);
- *over = 0;
- if (code == PRTOOMANY) *over = 1;
- else if (code) goto abort;
-
- code = ubik_EndTrans(tt);
-
-done:
- if (!alist->prlist_val)
- alist->prlist_val = (long *) malloc(0); /* make calling stub happy */
- return code;
-}
-
-PR_IsAMemberOf(call,uid,gid,flag)
-struct rx_call *call;
-long uid;
-long gid;
-long *flag;
-{
- register long code;
- struct ubik_trans *tt;
-
- code = Initdb();
- if (code != PRSUCCESS) return code;
- code = ubik_BeginTrans(dbase,UBIK_READTRANS,&tt);
- if (code) return code;
- code = ubik_SetLock(tt,1,1,LOCKREAD);
- if (code) {
- abort:
- ubik_AbortTrans(tt);
- return code;
- }
- { long cid;
- long uloc = FindByID (tt, uid);
- long gloc = FindByID (tt, gid);
- struct prentry uentry, gentry;
-
- if (!uloc || !gloc) {
- code = PRNOENT;
- goto abort;
- }
- code = WhoIsThis(call, tt, &cid);
- if (code) {
- perm:
- code = PRPERM;
- goto abort;
- }
- code = pr_ReadEntry (tt, 0, uloc, &uentry);
- if (code) goto abort;
- code = pr_ReadEntry (tt, 0, gloc, &gentry);
- if (code) goto abort;
- if ((uentry.flags & PRGRP) || !(gentry.flags & PRGRP)) {
- code = PRBADARG;
- goto abort;
- }
- if (!AccessOK (tt, cid, &uentry, 0, PRP_MEMBER_ANY) &&
- !AccessOK (tt, cid, &gentry, PRP_MEMBER_MEM, PRP_MEMBER_ANY))
- goto perm;
- }
-
- *flag = IsAMemberOf(tt,uid,gid);
- code = ubik_EndTrans(tt);
- return code;
-}
-
-
-static stolower(s)
-register char *s;
-{
- register int tc;
- while (tc = *s) {
- if (isupper(tc)) *s = tolower(tc);
- s++;
- }
-}
-
-#if defined(CROSS_CELL) && !defined(WhoIsThisWithName)
-static long WhoIsThisWithName(acall, at, aid, aname)
- struct rx_call *acall;
- struct ubik_trans *at;
- long *aid;
- char *aname;
-{
- /* aid is set to the identity of the caller, if known, else ANONYMOUSID */
- /* returns -1 and sets aid to ANONYMOUSID on any failure */
-
- register struct rx_connection *tconn;
- register long code;
- char tcell[MAXKTCREALMLEN];
- char name[MAXKTCNAMELEN];
- char inst[MAXKTCNAMELEN];
- int ilen;
- char vname[256];
-
- *aid = SYSADMINID;
- return 0;
-
- *aid = ANONYMOUSID;
- tconn = rx_ConnectionOf(acall);
- code = rx_SecurityClassOf(tconn);
- if (code == 0) return 0;
- else if (code == 1) { /* vab class */
- goto done; /* no longer supported */
- }
- else if (code == 2) { /* kad class */
-
- int clen;
- extern char *pr_realmName;
-
- if (code = rxkad_GetServerInfo
- (acall->conn, (long *)0, 0 /*was &exp*/,
- name, inst, tcell, (long *)0))
- goto done;
- strncpy (vname, name, sizeof(vname));
- if (ilen = strlen (inst)) {
- if (strlen(vname) + 1 + ilen >= sizeof(vname)) goto done;
- strcat (vname, ".");
- strcat (vname, inst);
- }
- if (clen = strlen (tcell)) {
- if (!afsconf_LocalRealm(prdir, tcell)) {
- if (strlen(vname) + 1 + clen >= sizeof(vname)) goto done;
- strcat(vname,"@");
- strcat(vname,tcell);
- lcstring(vname, vname, sizeof(vname));
- code = NameToID(at,vname,aid);
- strcpy(aname,vname);
- return 2;
- }
- }
-
- if (strcmp (AUTH_SUPERUSER, vname) == 0)
- /* special case for the fileserver */
- *aid = SYSADMINID;
- else {
- lcstring(vname, vname, sizeof(vname));
- code = NameToID(at,vname,aid);
- }
- }
-done:
- if (code && !pr_noAuth) return -1;
- return 0;
-}
-#endif
andersk / moira.git / blobdiff