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[ipfire-2.x.git] / src / patches / cyrus-imapd-2.2.12-autosievefolder-0.6.diff

diff -Naur cyrus-imapd-2.2.12/README.autosievefolder cyrus-imapd-2.2.12-autosieve.uncompiled/README.autosievefolder
--- cyrus-imapd-2.2.12/README.autosievefolder	1970-01-01 02:00:00 +0200
+++ cyrus-imapd-2.2.12-autosieve.uncompiled/README.autosievefolder	2005-02-15 13:59:51 +0200
@@ -0,0 +1,42 @@
+Cyrus IMAP autosievefolder patch
+----------------------------------
+
+NOTE : This patch has been created at the University of Athens. For more info, as well 
+as more patches on Cyrus IMAPD server, please visit http://email.uoa.gr 
+
+
+  When the lmtpd daemon receives an email message prior to delivering it to the 
+INBOX folder of the user, checks if the user has specified sieve filters. If the
+user has specified sieve filters the filters are evaluated. If the message matches
+any of the filters the action that is specified in the filter is executed. If the action 
+is FileInto it is stored in the subfolder specified in the filter. If the 
+subfolder doesn't exist then the message is sent to the INBOX folder of the user.
+
+  With this patch if the folder doesn't exist AND the name of the subfolder is 
+specified in the autosievefolders option, OR the anysievefolder is set to 
+yes in the cyrus-imap configuration file then the subfolder is created and the mail 
+is stored there.
+
+
+Check the following options of the imapd.conf file
+==================================================
+
+* anysievefolder : It must be "yes" in order to permit the autocreation of any 
+INBOX subfolder requested by a sieve filter, through the "fileinto" action. (default = no)
+* autosievefolders : It is a "|" separated list of subfolders of INBOX that will be 
+automatically created, if requested by a sieve filter, through the "fileinto" 
+action. (default = null)
+	i.e. autosievefolders: Junk | Spam
+
+WARNING: anysievefolder, takes precedence over autosievefolders . Which means that if 
+anysievefolder is set to "yes", cyrus will create any INBOX subfolder requested, no-matter what the value of autosievefolders is.
+
+
+Things to be done
+=================
+
+1. Support cyrus wildcards in the autosievefolders option. 
+
+
+For more information and updates please visit http://email.uoa.gr/projects/cyrus/autosievefolder
+
diff -Naur cyrus-imapd-2.2.12/imap/lmtp_sieve.c cyrus-imapd-2.2.12-autosieve.uncompiled/imap/lmtp_sieve.c
--- cyrus-imapd-2.2.12/imap/lmtp_sieve.c	2004-06-01 16:47:16 +0300
+++ cyrus-imapd-2.2.12-autosieve.uncompiled/imap/lmtp_sieve.c	2005-02-15 13:59:51 +0200
@@ -72,6 +72,8 @@
 #include "util.h"
 #include "version.h"
 #include "xmalloc.h"
+#include "imap_err.h"
+
 
 static int sieve_usehomedir = 0;
 static const char *sieve_dir = NULL;
@@ -98,6 +100,9 @@
 			   int quotaoverride,
 			   int acloverride);
 
+static int autosieve_subfolder(char *userid, struct auth_state *auth_state,
+                               char *subfolder, struct namespace *namespace);
+
 static char *make_sieve_db(const char *user)
 {
     static char buf[MAX_MAILBOX_PATH+1];
@@ -312,6 +317,7 @@
 }
 
 
+
 static int sieve_redirect(void *ac, 
 			  void *ic __attribute__((unused)), 
 			  void *sc, void *mc, const char **errmsg)
@@ -444,7 +450,18 @@
 			      sd->username, mdata->notifyheader,
 			      namebuf, quotaoverride, 0);
     }
-
+    if (ret == IMAP_MAILBOX_NONEXISTENT) {
+        /* if "plus" folder under INBOX, then try to create it */
+        syslog(LOG_DEBUG, "calling autosieve folder for : %s", namebuf);
+        ret = autosieve_subfolder((char *) sd->username, sd->authstate, namebuf, mdata->namespace);
+
+        if (!ret)
+            ret = deliver_mailbox(md->data, mdata->stage, md->size,
+                                  fc->imapflags->flag, fc->imapflags->nflags,
+                                  (char *) sd->username, sd->authstate, md->id,
+                                  sd->username, mdata->notifyheader,
+                                  namebuf, quotaoverride, 0);
+    }
     if (!ret) {
 	snmp_increment(SIEVE_FILEINTO, 1);
 	return SIEVE_OK;
@@ -882,3 +899,77 @@
 
     return r;
 }
+
+
+#define SEP '|'
+
+static int autosieve_subfolder(char *userid, struct auth_state *auth_state,
+                               char *subfolder, struct namespace *namespace)
+{
+     char option_name_external[MAX_MAILBOX_NAME + 1];
+     char option_name_internal[MAX_MAILBOX_NAME + 1];
+     const char *subf ;
+     char *p, *q, *next_subf;
+     int len, r = 0;
+     int createsievefolder = 0;
+
+    /* Check if subfolder or userid are NULL */
+    if(subfolder == NULL || userid == NULL)
+         return IMAP_MAILBOX_NONEXISTENT;
+
+    if (config_getswitch(IMAPOPT_ANYSIEVEFOLDER))
+         createsievefolder = 1;
+    else if ((subf = config_getstring(IMAPOPT_AUTOSIEVEFOLDERS)) != NULL) {
+         /* Roll through subf */
+         next_subf = (char *) subf;
+         while (*next_subf) {
+              for (p = next_subf ; isspace((int) *p) || *p == SEP ; p++);
+              for (next_subf = p ; *next_subf && *next_subf != SEP ; next_subf++);
+              for (q = next_subf ; q > p && (isspace((int) *q) || *q == SEP || !*q); q--);
+
+              if (!*p) continue;
+                    
+              len = q - p + 1;
+             /*
+              * This is a preliminary length check based on the assumption
+              * that the *final* internal format will be something
+              * like user.userid.subfolder(s).
+              */
+              if (len > sizeof(option_name_external) - strlen(userid) - 5)
+                   return IMAP_MAILBOX_BADNAME;
+
+              strlcpy(option_name_external, namespace->prefix[NAMESPACE_INBOX], sizeof(option_name_external));
+	      strncat(option_name_external, p, len);
+                    
+              /* 
+               * Transform the option folder name to internal namespace and compare it
+	       * with what must be created.
+               */
+              r = namespace->mboxname_tointernal(namespace, option_name_external, userid, option_name_internal);
+              if (r) continue;
+
+              if (!strcmp(option_name_internal, subfolder)) {
+                  createsievefolder = 1;
+                  break;
+              }
+         }
+    }
+
+    if (createsievefolder) {
+        /* Folder is already in internal namespace format */
+        r = mboxlist_createmailbox(subfolder, MAILBOX_FORMAT_NORMAL, NULL,
+                                           1, userid, auth_state, 0, 0, 0);
+        if (!r) {
+            mboxlist_changesub(subfolder, userid, auth_state, 1, 1);
+            syslog(LOG_DEBUG, "autosievefolder: User %s, folder %s creation succeeded.",
+                                                   userid, subfolder);
+            return 0;
+        } else {
+            syslog(LOG_ERR, "autosievefolder: User %s, folder %s creation failed. %s",
+                                                  userid, subfolder,error_message(r));
+            return r;
+        }
+    } else
+        return IMAP_MAILBOX_NONEXISTENT;
+}
+
diff -Naur cyrus-imapd-2.2.12/lib/imapoptions cyrus-imapd-2.2.12-autosieve.uncompiled/lib/imapoptions
--- cyrus-imapd-2.2.12/lib/imapoptions	2004-07-21 22:07:45 +0300
+++ cyrus-imapd-2.2.12-autosieve.uncompiled/lib/imapoptions	2005-02-15 13:59:51 +0200
@@ -752,6 +752,15 @@
 /* If enabled, lmtpd will look for Sieve scripts in user's home
    directories: ~user/.sieve. */
 
+{ "anysievefolder", 0, SWITCH }
+/* It must be "yes" in order to permit the autocreation of any INBOX subfolder 
+   requested by a sieve filter, through the "fileinto" action. (default = no) */
+
+{ "autosievefolders", NULL, STRING }
+/* It is a "|" separated list of subfolders of INBOX that will be automatically created, 
+   if requested by a sieve filter, through the "fileinto" action. (default = null)
+   i.e. autosievefolders: Junk | Spam */
+
 { "singleinstancestore", 1, SWITCH }
 /* If enabled, lmtpd and nntpd attempt to only write one copy of a message per
    partition and create hard links, resulting in a potentially large