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[people/pmueller/ipfire-2.x.git] / src / patches / cyrus-imapd-2.2.12-rmquota+deletemailbox-0.2-1.diff

diff -Naur cyrus-imapd-2.2.12.orig/imap/ctl_cyrusdb.c cyrus-imapd-2.2.12/imap/ctl_cyrusdb.c
--- cyrus-imapd-2.2.12.orig/imap/ctl_cyrusdb.c	Tue Jul 13 04:34:20 2004
+++ cyrus-imapd-2.2.12/imap/ctl_cyrusdb.c	Mon Mar  7 11:30:58 2005
@@ -136,7 +136,7 @@
     /* if it is MBTYPE_RESERVED, unset it & call mboxlist_delete */
     if(!r && (mbtype & MBTYPE_RESERVE)) {
 	if(!r) {
-	    r = mboxlist_deletemailbox(name, 1, NULL, NULL, 0, 0, 1);
+	    r = mboxlist_deletemailbox(name, 1, NULL, NULL, 0, 0, 1, 1);
 	    if(r) {
 		/* log the error */
 		syslog(LOG_ERR,
diff -Naur cyrus-imapd-2.2.12.orig/imap/ctl_mboxlist.c cyrus-imapd-2.2.12/imap/ctl_mboxlist.c
--- cyrus-imapd-2.2.12.orig/imap/ctl_mboxlist.c	Sat May 22 05:45:48 2004
+++ cyrus-imapd-2.2.12/imap/ctl_mboxlist.c	Mon Mar  7 11:30:58 2005
@@ -456,7 +456,7 @@
 	    
 	    wipe_head = wipe_head->next;
 	    
-	    ret = mboxlist_deletemailbox(me->mailbox, 1, "", NULL, 0, 1, 1);
+	    ret = mboxlist_deletemailbox(me->mailbox, 1, "", NULL, 0, 1, 1, 1);
 	    if(ret) {
 		fprintf(stderr, "couldn't delete defunct mailbox %s\n",
 			me->mailbox);
diff -Naur cyrus-imapd-2.2.12.orig/imap/imapd.c cyrus-imapd-2.2.12/imap/imapd.c
--- cyrus-imapd-2.2.12.orig/imap/imapd.c	Mon Feb 14 07:39:55 2005
+++ cyrus-imapd-2.2.12/imap/imapd.c	Mon Mar  7 11:30:58 2005
@@ -3724,7 +3724,7 @@
 
     r = mboxlist_deletemailbox(name, imapd_userisadmin,
 			       imapd_userid, imapd_authstate,
-			       0, 0, 0);
+			       0, 0, 0, 1);
     
     if(r) {
 	prot_printf(imapd_out, "* NO delete %s: %s\r\n",
@@ -3743,6 +3743,12 @@
     char mailboxname[MAX_MAILBOX_NAME+1];
     char *p;
     int domainlen = 0;
+    int keepQuota = 1;
+
+    if(name && *name == '+') {
+        keepQuota = 0;
+        name++;
+    }
 
     r = (*imapd_namespace.mboxname_tointernal)(&imapd_namespace, name,
 					       imapd_userid, mailboxname);
@@ -3753,7 +3759,7 @@
 
 	r = mboxlist_deletemailbox(mailboxname, imapd_userisadmin,
 				   imapd_userid, imapd_authstate, 1,
-				   localonly, 0);
+				   localonly, 0, keepQuota);
     }
 
     /* was it a top-level user mailbox? */
@@ -4718,6 +4724,7 @@
 {
     int newquota = -1;
     int badresource = 0;
+    int rmquota = 0;
     int c;
     int force = 0;
     static struct buf arg;
@@ -4732,7 +4739,8 @@
     if (c != ')' || arg.s[0] != '\0') {
 	for (;;) {
 	    if (c != ' ') goto badlist;
-	    if (strcasecmp(arg.s, "storage") != 0) badresource = 1;
+	    if (strcasecmp(arg.s, "remove") == 0) rmquota = 1;
+	    else if (strcasecmp(arg.s, "storage") != 0) badresource = 1;
 	    c = getword(imapd_in, &arg);
 	    if (c != ' ' && c != ')') goto badlist;
 	    if (arg.s[0] == '\0') goto badlist;
@@ -4769,7 +4777,10 @@
 						   imapd_userid, mailboxname);
 
 	if (!r) {
-	    r = mboxlist_setquota(mailboxname, newquota, force);
+            if(!rmquota)
+                r = mboxlist_setquota(mailboxname, newquota, force);
+            else
+                r = mboxlist_unsetquota(mailboxname);
 	}
     }
 
@@ -6416,7 +6427,7 @@
 	/* note also that we need to remember to let proxyadmins do this */
 	r = mboxlist_deletemailbox(mailboxname,
 				   imapd_userisadmin || imapd_userisproxyadmin,
-				   imapd_userid, imapd_authstate, 0, 1, 0);
+				   imapd_userid, imapd_authstate, 0, 1, 0, 1);
 	if(r) syslog(LOG_ERR,
 		     "Could not delete local mailbox during move of %s",
 		     mailboxname);
diff -Naur cyrus-imapd-2.2.12.orig/imap/mailbox.c cyrus-imapd-2.2.12/imap/mailbox.c
--- cyrus-imapd-2.2.12.orig/imap/mailbox.c	Mon Feb 14 07:39:57 2005
+++ cyrus-imapd-2.2.12/imap/mailbox.c	Mon Mar  7 11:30:58 2005
@@ -2117,27 +2117,7 @@
 
     seen_delete_mailbox(mailbox);
 
-    if (delete_quota_root && !rquota) {
-	quota_delete(&mailbox->quota, &tid);
-	free(mailbox->quota.root);
-	mailbox->quota.root = NULL;
-    } else if (!rquota) {
-	/* Free any quota being used by this mailbox */
-	if (mailbox->quota.used >= mailbox->quota_mailbox_used) {
-	    mailbox->quota.used -= mailbox->quota_mailbox_used;
-	}
-	else {
-	    mailbox->quota.used = 0;
-	}
-	r = quota_write(&mailbox->quota, &tid);
-	if (r) {
-	    syslog(LOG_ERR,
-		   "LOSTQUOTA: unable to record free of %lu bytes in quota %s",
-		   mailbox->quota_mailbox_used, mailbox->quota.root);
-	}
-	else
-	    quota_commit(&tid);
-    }
+    mailbox_updatequota(mailbox,NULL);
 
     /* remove all files in directory */
     strlcpy(buf, mailbox->path, sizeof(buf));
@@ -2751,3 +2731,49 @@
 	if (*p == '.') *p = '/';
     }
 }
+
+
+/* This function is used to update the quota. Can be used to replace
+ * identical parts of the code, and can be quite handy some times 
+ * The tid is used in order to make possible to make the quota update
+ * being a part of a bigger transaction to the quota db */
+int mailbox_updatequota(struct mailbox *mailbox, struct txn **tid)
+{
+    int r = 0, havetid = 0;
+    struct txn **ltid = NULL;
+
+    if(tid) {
+        ltid = tid;
+        havetid = 1;
+    }
+    /* Ensure that we are locked */
+    if(!mailbox->header_lock_count) return IMAP_INTERNAL;
+
+
+    if(mailbox->quota.root) {
+        r = quota_read(&mailbox->quota, ltid, 1);
+        if( r == 0 ) {
+            if (mailbox->quota.used >= mailbox->quota_mailbox_used) {
+                mailbox->quota.used -= mailbox->quota_mailbox_used;
+            }
+            else {
+                mailbox->quota.used = 0;
+            }
+            r = quota_write(&mailbox->quota, ltid);
+            if (r) {
+                syslog(LOG_ERR,
+                   "LOSTQUOTA: unable to record free of %lu bytes in quota %s",
+                   mailbox->quota_mailbox_used, mailbox->quota.root);
+            }
+            else if(!havetid)
+                quota_commit(tid);
+        }
+        /* It is not a big mistake not to have quota .. just remove from the mailbox */
+        else if ( r == IMAP_QUOTAROOT_NONEXISTENT) {
+                free(mailbox->quota.root);
+                r = 0;
+        }
+    }
+    return r;
+}
+
diff -Naur cyrus-imapd-2.2.12.orig/imap/mailbox.h cyrus-imapd-2.2.12/imap/mailbox.h
--- cyrus-imapd-2.2.12.orig/imap/mailbox.h	Thu Jan 22 22:17:09 2004
+++ cyrus-imapd-2.2.12/imap/mailbox.h	Mon Mar  7 11:30:58 2005
@@ -305,6 +305,8 @@
 			  struct mailbox *mailboxp);
 extern int mailbox_delete(struct mailbox *mailbox, int delete_quota_root);
 
+extern int mailbox_updatequota(struct mailbox *mailbox, struct txn **tid);
+
 extern int mailbox_rename_copy(struct mailbox *oldmailbox, 
 			       const char *newname, char *newpath,
 			       bit32 *olduidvalidityp, bit32 *newuidvalidityp,
diff -Naur cyrus-imapd-2.2.12.orig/imap/mboxlist.c cyrus-imapd-2.2.12/imap/mboxlist.c
--- cyrus-imapd-2.2.12.orig/imap/mboxlist.c	Mon Jul 26 20:08:03 2004
+++ cyrus-imapd-2.2.12/imap/mboxlist.c	Mon Mar  7 11:30:58 2005
@@ -93,6 +93,11 @@
 static int mboxlist_opensubs();
 static void mboxlist_closesubs();
 
+static int child_cb(char *name,
+                    int matchlen __attribute__((unused)),
+                    int maycreate __attribute__((unused)),
+                    void *rock);
+
 static int mboxlist_rmquota(const char *name, int matchlen, int maycreate,
 			    void *rock);
 static int mboxlist_changequota(const char *name, int matchlen, int maycreate,
@@ -100,6 +105,7 @@
 
 struct change_rock {
     struct quota *quota;
+    struct quota *oldquota;
     struct txn **tid;
 };
 
@@ -893,9 +899,9 @@
  */
 int mboxlist_deletemailbox(const char *name, int isadmin, char *userid, 
 			   struct auth_state *auth_state, int checkacl,
-			   int local_only, int force)
+			   int local_only, int force, int keepQuota)
 {
-    int r;
+    int r, has_children = 0;
     char *acl;
     long access;
     struct mailbox mailbox;
@@ -907,6 +913,7 @@
     int deleteright = get_deleteright();
     const char *p;
     mupdate_handle *mupdate_h = NULL;
+    char *quotaroot = NULL;
 
     if(!isadmin && force) return IMAP_PERMISSION_DENIED;
 
@@ -1018,13 +1025,44 @@
 
     if ((r && !force) || isremote) goto done;
 
-    if (!r || force) r = mailbox_delete(&mailbox, deletequotaroot);
+    if (!r || force) {
+        /* first we have to keep the previous quota root in order to delete it */
+        if(mailbox.quota.root)
+                quotaroot = xstrdup(mailbox.quota.root);
+	r = mailbox_delete(&mailbox, deletequotaroot);
+    }
 
     /*
      * See if we have to remove mailbox's quota root
      */
-    if (!r && mailbox.quota.root != NULL) {
+    if (!r && quotaroot != NULL) {
 	/* xxx look for any other mailboxes in this quotaroot */
+        /* If we have not asked to remove the quota (default behaviour), we check 
+         * whether there are any subfolders beneeth the quota root. If there aren't
+         * any subfolders the reasonable thing is to delete the quota */
+        if(keepQuota) {
+            char pattern[MAX_MAILBOX_PATH+1];
+            strlcpy(pattern, quotaroot, sizeof(pattern));
+            if (config_virtdomains && name[strlen(name)-1] == '!') {
+                strlcat(pattern, "*", sizeof(pattern));
+            }
+            else {
+                strlcat(pattern, ".*", sizeof(pattern));
+            }
+		/* find if there are subfolders. Then we want to 
+		 * keep the existing quota */
+            mboxlist_findall(NULL, pattern, isadmin, userid,
+                    auth_state, child_cb, (void *) &has_children);
+
+	    if(!has_children)
+                if(!mboxlist_mylookup(quotaroot, NULL, NULL, NULL, NULL, NULL, 0 ))
+		    has_children = 1;
+        }
+        /* If we want to remove the quota explicitely or the quota root folder has no subfolders
+         * we execute the rmquota patch */
+        if(!keepQuota || !has_children )
+            mboxlist_unsetquota(quotaroot);
+        free(quotaroot);
     }
 
  done:
@@ -2357,6 +2395,7 @@
     if (r) return r;
 
     crock.quota = &quota;
+    crock.oldquota = NULL;
     crock.tid = &tid;
     /* top level mailbox */
     if(have_mailbox)
@@ -2375,17 +2414,21 @@
  */
 int mboxlist_unsetquota(const char *root)
 {
+    char newquota[MAX_MAILBOX_PATH+1];
     char pattern[MAX_MAILBOX_PATH+1];
     struct quota quota;
-    int r=0;
+    struct change_rock crock;
+    int r=0, k=0;
 
     if (!root[0] || root[0] == '.' || strchr(root, '/')
 	|| strchr(root, '*') || strchr(root, '%') || strchr(root, '?')) {
 	return IMAP_MAILBOX_BADNAME;
     }
+	
+    crock.tid=NULL;
     
     quota.root = (char *) root;
-    r = quota_read(&quota, NULL, 0);
+    r = quota_read(&quota, crock.tid, 0);
     if (r == IMAP_QUOTAROOT_NONEXISTENT) {
 	/* already unset */
 	return 0;
@@ -2402,13 +2445,45 @@
     }
     else
 	strlcat(pattern, ".*", sizeof(pattern));
-    
-    /* top level mailbox */
-    mboxlist_rmquota(root, 0, 0, (void *)root);
-    /* submailboxes - we're using internal names here */
-    mboxlist_findall(NULL, pattern, 1, 0, 0, mboxlist_rmquota, (void *)root);
 
-    r = quota_delete(&quota, NULL);
+    r = quota_delete(&quota, crock.tid);
+
+    /* If we cannot delete the quota then abort the operation */
+    if(!r) {
+       /* quota_findroot performs several checks that we can
+        * assume that are already done, and don't have to perform
+        * them again. One of them is that it returns 1 only if
+        * quotaroot exists.
+        */
+        if(quota_findroot(newquota, sizeof(newquota), root)) {
+            struct quota rootquota;
+            rootquota.root = newquota;
+            k = quota_read(&rootquota, crock.tid, 0);
+            if (!k) {
+                crock.quota = &rootquota;
+                crock.oldquota = &quota;
+                /* top level mailbox */
+                k = mboxlist_changequota(root, 0, 0, &crock);
+            }
+            /* submailboxes - we're using internal names here */
+            if (!k)
+                k = mboxlist_findall(NULL, pattern, 1, 0, 0, mboxlist_changequota, &crock);
+            if(!k)
+                k = quota_write(&rootquota, crock.tid);
+
+         }
+         else {
+           /* top level mailbox */
+           mboxlist_rmquota(root, 0, 0, (void *)root);
+           /* submailboxes - we're using internal names here */
+           mboxlist_findall(NULL, pattern, 1, 0, 0, mboxlist_rmquota, (void *)root);
+       }
+    }
+
+    if(!r && !k)
+        quota_commit(crock.tid);
+    else
+        quota_abort(crock.tid);
 
     return r;
 }
@@ -2506,6 +2581,7 @@
     struct mailbox mailbox;
     struct change_rock *crock = (struct change_rock *) rock;
     struct quota *mboxlist_newquota = crock->quota;
+    struct quota *mboxlist_oldquota = crock->oldquota;
     struct txn **tid = crock->tid;
 
     assert(rock != NULL);
@@ -2523,27 +2599,24 @@
     if (r) goto error;
 
     if (mailbox.quota.root) {
-	if (strlen(mailbox.quota.root) >= strlen(mboxlist_newquota->root)) {
-	    /* Part of a child quota root */
-	    mailbox_close(&mailbox);
-	    return 0;
-	}
-
-	r = quota_read(&mailbox.quota, tid, 1);
-	if (r) goto error;
-	if (mailbox.quota.used >= mailbox.quota_mailbox_used) {
-	    mailbox.quota.used -= mailbox.quota_mailbox_used;
-	}
-	else {
-	    mailbox.quota.used = 0;
-	}
-	r = quota_write(&mailbox.quota, tid);
-	if (r) {
-	    syslog(LOG_ERR,
-		   "LOSTQUOTA: unable to record free of %lu bytes in quota %s",
-		   mailbox.quota_mailbox_used, mailbox.quota.root);
-	}
-	free(mailbox.quota.root);
+        if(mboxlist_oldquota) {
+            if (strlen(mailbox.quota.root) > strlen(mboxlist_oldquota->root)) {
+                /* Part of a child quota root */
+                mailbox_close(&mailbox);
+                return 0;
+            }
+        }
+        else {
+            if (strlen(mailbox.quota.root) >= strlen(mboxlist_newquota->root)) {
+                /* Part of a child quota root */
+                mailbox_close(&mailbox);
+                return 0;
+            }
+        }
+
+        r = mailbox_updatequota(&mailbox,tid);
+        if (r)
+            goto error;
     }
 
     mailbox.quota.root = xstrdup(mboxlist_newquota->root);
@@ -2553,18 +2626,24 @@
     mboxlist_newquota->used += mailbox.quota_mailbox_used;
     mailbox_close(&mailbox);
     return 0;
-
+ 
  error:
     mailbox_close(&mailbox);
+    syslog(LOG_ERR, "LOSTQUOTA: unable to change quota root for %s to %s: %s. \
+                        Command aborted. Run reconstruct to make sure mailboxes \
+                         are in consistent state",
+           name, mboxlist_newquota->root, error_message(r));
+    return 1;
  error_noclose:
     syslog(LOG_ERR, "LOSTQUOTA: unable to change quota root for %s to %s: %s",
-	   name, mboxlist_newquota->root, error_message(r));
+           name, mboxlist_newquota->root, error_message(r));
 
     /* Note, we're a callback, and it's not a huge tragedy if we
      * fail, so we don't ever return a failure */
     return 0;
 }
 
+
 /* must be called after cyrus_init */
 void mboxlist_init(int myflags)
 {
diff -Naur cyrus-imapd-2.2.12.orig/imap/mboxlist.h cyrus-imapd-2.2.12/imap/mboxlist.h
--- cyrus-imapd-2.2.12.orig/imap/mboxlist.h	Wed Mar 17 19:07:49 2004
+++ cyrus-imapd-2.2.12/imap/mboxlist.h	Mon Mar  7 11:30:58 2005
@@ -122,7 +122,7 @@
  * the planet */
 int mboxlist_deletemailbox(const char *name, int isadmin, char *userid, 
 			   struct auth_state *auth_state, int checkacl,
-			   int local_only, int force);
+			   int local_only, int force, int keepQuota);
 
 /* Rename/move a mailbox (hierarchical) */
 int mboxlist_renamemailbox(char *oldname, char *newname, char *partition, 
diff -Naur cyrus-imapd-2.2.12.orig/imap/mupdate.c cyrus-imapd-2.2.12/imap/mupdate.c
--- cyrus-imapd-2.2.12.orig/imap/mupdate.c	Fri Dec 17 17:32:16 2004
+++ cyrus-imapd-2.2.12/imap/mupdate.c	Mon Mar  7 11:30:58 2005
@@ -2190,7 +2190,7 @@
 	    remote_boxes.head = r->next;
 	} else if (ret < 0) {
 	    /* Local without corresponding remote, delete it */
-	    mboxlist_deletemailbox(l->mailbox, 1, "", NULL, 0, 0, 0);
+	    mboxlist_deletemailbox(l->mailbox, 1, "", NULL, 0, 0, 0, 1);
 	    local_boxes.head = l->next;
 	} else /* (ret > 0) */ {
 	    /* Remote without corresponding local, insert it */
@@ -2205,7 +2205,7 @@
     if(l && !r) {
 	/* we have more deletes to do */
 	while(l) {
-	    mboxlist_deletemailbox(l->mailbox, 1, "", NULL, 0, 0, 0);
+	    mboxlist_deletemailbox(l->mailbox, 1, "", NULL, 0, 0, 0, 1);
 	    local_boxes.head = l->next;
 	    l = local_boxes.head;
 	}
diff -Naur cyrus-imapd-2.2.12.orig/imap/nntpd.c cyrus-imapd-2.2.12/imap/nntpd.c
--- cyrus-imapd-2.2.12.orig/imap/nntpd.c	Fri Jan  7 21:59:04 2005
+++ cyrus-imapd-2.2.12/imap/nntpd.c	Mon Mar  7 11:30:58 2005
@@ -3298,7 +3298,7 @@
     /* XXX should we delete right away, or wait until empty? */
 
     r = mboxlist_deletemailbox(mailboxname, 0,
-			       newsmaster, newsmaster_authstate, 1, 0, 0);
+			       newsmaster, newsmaster_authstate, 1, 0, 0, 1);
 
     return r;
 }