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-rw-r--r--imap/src/osdep/unix/Makefile8
-rw-r--r--imap/src/osdep/unix/dummy.c48
-rw-r--r--imap/src/osdep/unix/maildir.c2638
-rw-r--r--imap/src/osdep/unix/maildir.h226
-rw-r--r--imap/src/osdep/unix/os_cyg.h1
5 files changed, 2908 insertions, 13 deletions
diff --git a/imap/src/osdep/unix/Makefile b/imap/src/osdep/unix/Makefile
index 78913acc..ae7b5b9e 100644
--- a/imap/src/osdep/unix/Makefile
+++ b/imap/src/osdep/unix/Makefile
@@ -144,7 +144,7 @@ DEFAULTAUTHENTICATORS=ext md5 pla log
# However, mh needs to be before any sysinbox formats (such as mmdf or unix)
# since otherwise INBOX won't work correctly when mh_allow_inbox is set.
#
-DEFAULTDRIVERS=imap nntp pop3 mix mx mbx tenex mtx mh mmdf unix news phile
+DEFAULTDRIVERS=maildir courier imap nntp pop3 mix mx mbx tenex mtx mh mmdf unix news phile
CHUNKSIZE=65536
# Normally no need to change any of these
@@ -153,7 +153,7 @@ ARCHIVE=c-client.a
BINARIES=osdep.o mail.o misc.o newsrc.o smanager.o utf8.o utf8aux.o siglocal.o \
dummy.o pseudo.o netmsg.o flstring.o fdstring.o \
rfc822.o nntp.o smtp.o imap4r1.o pop3.o \
- unix.o mbx.o mmdf.o tenex.o mtx.o news.o phile.o mh.o mx.o mix.o
+ unix.o mbx.o mmdf.o tenex.o mtx.o news.o phile.o mh.o mx.o mix.o maildir.o
CFLAGS=-g
CAT=cat
@@ -290,7 +290,7 @@ cvx: # Convex
cyg: # Cygwin - note that most local file drivers don't work!!
$(BUILD) `$(CAT) SPECIALS` OS=$@ \
- DEFAULTDRIVERS="imap nntp pop3 mbx unix phile" \
+ DEFAULTDRIVERS="imap nntp pop3 mbx unix maildir phile" \
SIGTYPE=psx CHECKPW=cyg LOGINPW=cyg CRXTYPE=std \
SPOOLDIR=/var \
ACTIVEFILE=/usr/local/news/lib/active \
@@ -900,7 +900,7 @@ tenex.o: mail.h misc.h osdep.h dummy.h
unix.o: mail.h misc.h osdep.h unix.h pseudo.h dummy.h
utf8.o: mail.h misc.h osdep.h utf8.h tmap.c widths.c
utf8aux.o: mail.h misc.h osdep.h utf8.h
-
+maildir.o: mail.h misc.h osdep.h maildir.h dummy.h
# OS-dependent
diff --git a/imap/src/osdep/unix/dummy.c b/imap/src/osdep/unix/dummy.c
index b003a0ba..92a2c463 100644
--- a/imap/src/osdep/unix/dummy.c
+++ b/imap/src/osdep/unix/dummy.c
@@ -106,13 +106,19 @@ MAILSTREAM dummyproto = {&dummydriver};
* Accepts: mailbox name
* Returns: our driver if name is valid, NIL otherwise
*/
-
+char * maildir_remove_root(char *);
DRIVER *dummy_valid (char *name)
{
- char *s,tmp[MAILTMPLEN];
+ char *s,tmp[MAILTMPLEN], *rname;
struct stat sbuf;
+
+ if(strlen(name) > MAILTMPLEN)
+ name[MAILTMPLEN] = '\0';
+
+ strcpy(tmp, name);
+ rname = maildir_remove_root(tmp);
/* must be valid local mailbox */
- if (name && *name && (*name != '{') && (s = mailboxfile (tmp,name))) {
+ if (rname && *rname && (*rname != '{') && (s = mailboxfile (tmp,rname))) {
/* indeterminate clearbox INBOX */
if (!*s) return &dummydriver;
else if (!stat (s,&sbuf)) switch (sbuf.st_mode & S_IFMT) {
@@ -121,8 +127,9 @@ DRIVER *dummy_valid (char *name)
return &dummydriver;
}
/* blackbox INBOX does not exist yet */
- else if (!compare_cstring (name,"INBOX")) return &dummydriver;
+ else if (!compare_cstring (rname,"INBOX")) return &dummydriver;
}
+ if(rname) fs_give((void **)&rname);
return NIL;
}
@@ -454,6 +461,8 @@ long dummy_create (MAILSTREAM *stream,char *mailbox)
{
char *s,tmp[MAILTMPLEN];
long ret = NIL;
+ if(!strncmp(mailbox,"#md/",4) || !strncmp(mailbox,"#mc/", 4))
+ return maildir_create(stream, mailbox);
/* validate name */
if (!(compare_cstring (mailbox,"INBOX") && (s = dummy_file (tmp,mailbox)))) {
sprintf (tmp,"Can't create %.80s: invalid name",mailbox);
@@ -519,6 +528,14 @@ long dummy_delete (MAILSTREAM *stream,char *mailbox)
{
struct stat sbuf;
char *s,tmp[MAILTMPLEN];
+ if (!strncmp(mailbox,"#md/",4) || !strncmp(mailbox,"#mc/", 4)
+ || is_valid_maildir(&mailbox)){
+ char tmp[MAILTMPLEN] = {'\0'};
+ strcpy(tmp, mailbox);
+ if(tmp[strlen(tmp) - 1] != '/')
+ tmp[strlen(tmp)] = '/';
+ return maildir_delete(stream, tmp);
+ }
if (!(s = dummy_file (tmp,mailbox))) {
sprintf (tmp,"Can't delete - invalid name: %.80s",s);
MM_LOG (tmp,ERROR);
@@ -544,12 +561,23 @@ long dummy_delete (MAILSTREAM *stream,char *mailbox)
long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
{
struct stat sbuf;
- char c,*s,tmp[MAILTMPLEN],mbx[MAILTMPLEN],oldname[MAILTMPLEN];
+ char c,*s,tmp[MAILTMPLEN],mbx[MAILTMPLEN],oldname[MAILTMPLEN], *rold, *rnewname;
+
+ if(strlen(old) > MAILTMPLEN)
+ old[MAILTMPLEN] = '\0';
+
+ if(strlen(newname) > MAILTMPLEN)
+ newname[MAILTMPLEN] = '\0';
+
+ strcpy(tmp, old);
+ rold = maildir_remove_root(tmp);
+ strcpy(tmp, newname);
+ rnewname = maildir_remove_root(tmp);
/* no trailing / allowed */
- if (!dummy_file (oldname,old) || !(s = dummy_file (mbx,newname)) ||
+ if (!dummy_file (oldname,rold) || !(s = dummy_file (mbx,rnewname)) ||
stat (oldname,&sbuf) || ((s = strrchr (s,'/')) && !s[1] &&
((sbuf.st_mode & S_IFMT) != S_IFDIR))) {
- sprintf (mbx,"Can't rename %.80s to %.80s: invalid name",old,newname);
+ sprintf (mbx,"Can't rename %.80s to %.80s: invalid name",rold,rnewname);
MM_LOG (mbx,ERROR);
return NIL;
}
@@ -565,14 +593,16 @@ long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
}
}
/* rename of non-ex INBOX creates dest */
- if (!compare_cstring (old,"INBOX") && stat (oldname,&sbuf))
+ if (!compare_cstring (rold,"INBOX") && stat (oldname,&sbuf))
return dummy_create (NIL,mbx);
if (rename (oldname,mbx)) {
- sprintf (tmp,"Can't rename mailbox %.80s to %.80s: %.80s",old,newname,
+ sprintf (tmp,"Can't rename mailbox %.80s to %.80s: %.80s",rold,rnewname,
strerror (errno));
MM_LOG (tmp,ERROR);
return NIL;
}
+ if(rold) fs_give((void **)&rold);
+ if(rnewname) fs_give((void **)&rnewname);
return T; /* return success */
}
diff --git a/imap/src/osdep/unix/maildir.c b/imap/src/osdep/unix/maildir.c
new file mode 100644
index 00000000..b15adc87
--- /dev/null
+++ b/imap/src/osdep/unix/maildir.c
@@ -0,0 +1,2638 @@
+/*
+ * Maildir driver for Alpine 2.11
+ *
+ * Written by Eduardo Chappa <chappa@gmx.com>
+ * Last Update: May 29, 2011.
+ *
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+extern int errno; /* just in case */
+#include "mail.h"
+#include <pwd.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include "osdep.h"
+#include "rfc822.h"
+#include "fdstring.h"
+#include "misc.h"
+#include "dummy.h"
+#include "maildir.h"
+
+/* Driver dispatch used by MAIL */
+DRIVER maildirdriver = {
+ "md", /* driver name, yes it's md, not maildir */
+ DR_MAIL|DR_LOCAL|DR_NAMESPACE|DR_DIRFMT, /* driver flags */
+ (DRIVER *) NIL, /* next driver */
+ maildir_valid, /* mailbox is valid for us */
+ maildir_parameters, /* manipulate parameters */
+ NIL, /* scan mailboxes */
+ maildir_list, /* find mailboxes */
+ maildir_lsub, /* find subscribed mailboxes */
+ maildir_sub, /* subscribe to mailbox */
+ maildir_unsub, /* unsubscribe from mailbox */
+ maildir_create, /* create mailbox */
+ maildir_delete, /* delete mailbox */
+ maildir_rename, /* rename mailbox */
+ mail_status_default, /* status of mailbox */
+ maildir_open, /* open mailbox */
+ maildir_close, /* close mailbox */
+ maildir_fast, /* fetch message "fast" attributes */
+ NIL, /* fetch message flags */
+ NIL, /* fetch overview */
+ NIL, /* fetch message structure */
+ maildir_header, /* fetch message header */
+ maildir_text, /* fetch message body */
+ NIL, /* fetch partial message text */
+ NIL, /* unique identifier */
+ NIL, /* message number */
+ NIL, /* modify flags */
+ maildir_flagmsg, /* per-message modify flags */
+ NIL, /* search for message based on criteria */
+ NIL, /* sort messages */
+ NIL, /* thread messages */
+ maildir_ping, /* ping mailbox to see if still alive */
+ maildir_check, /* check for new messages */
+ maildir_expunge, /* expunge deleted messages */
+ maildir_copy, /* copy messages to another mailbox */
+ maildir_append, /* append string message to mailbox */
+ NIL /* garbage collect stream */
+};
+
+
+DRIVER courierdriver = {
+ "mc", /* Why a separate driver? So that createproto will work */
+ DR_MAIL|DR_LOCAL|DR_NAMESPACE|DR_DIRFMT, /* driver flags */
+ (DRIVER *) NIL, /* next driver */
+ maildir_valid, /* mailbox is valid for us */
+ maildir_parameters, /* manipulate parameters */
+ NIL, /* scan mailboxes */
+ courier_list, /* find mailboxes */
+ maildir_lsub, /* find subscribed mailboxes */
+ maildir_sub, /* subscribe to mailbox */
+ maildir_unsub, /* unsubscribe from mailbox */
+ maildir_create, /* create mailbox */
+ maildir_delete, /* delete mailbox */
+ maildir_rename, /* rename mailbox */
+ mail_status_default, /* status of mailbox */
+ maildir_open, /* open mailbox */
+ maildir_close, /* close mailbox */
+ maildir_fast, /* fetch message "fast" attributes */
+ NIL, /* fetch message flags */
+ NIL, /* fetch overview */
+ NIL, /* fetch message structure */
+ maildir_header, /* fetch message header */
+ maildir_text, /* fetch message body */
+ NIL, /* fetch partial message text */
+ NIL, /* unique identifier */
+ NIL, /* message number */
+ NIL, /* modify flags */
+ maildir_flagmsg, /* per-message modify flags */
+ NIL, /* search for message based on criteria */
+ NIL, /* sort messages */
+ NIL, /* thread messages */
+ maildir_ping, /* ping mailbox to see if still alive */
+ maildir_check, /* check for new messages */
+ maildir_expunge, /* expunge deleted messages */
+ maildir_copy, /* copy messages to another mailbox */
+ maildir_append, /* append string message to mailbox */
+ NIL /* garbage collect stream */
+};
+
+MAILSTREAM maildirproto = {&maildirdriver}; /* prototype stream */
+MAILSTREAM courierproto = {&courierdriver}; /* prototype stream */
+
+long maildir_dirfmttest (char *name)
+{
+ int i;
+ for (i = 0; mdstruct[i] && strcmp(name, mdstruct[i]); i++);
+ return (i < EndDir) || !strcmp(name, MDDIR)
+ || !strncmp(name, MDUIDLAST, strlen(MDUIDLAST))
+ || !strncmp(name, MDUIDTEMP, strlen(MDUIDTEMP)) ? LONGT : NIL;
+}
+
+void
+md_domain_name(void)
+{
+ int i, j;
+
+ strcpy(mdlocaldomain, mylocalhost ());
+ for (i = 0; mdlocaldomain[i] != '\0' ;)
+ if(mdlocaldomain[i] == '/' || mdlocaldomain[i] == ':'){
+ for(j = strlen(mdlocaldomain); j >= i; j--)
+ mdlocaldomain[j+4] = mdlocaldomain[j];
+ mdlocaldomain[i++] = '\\';
+ mdlocaldomain[i++] = '0';
+ if(mdlocaldomain[i] == '/'){
+ mdlocaldomain[i++] = '5';
+ mdlocaldomain[i++] = '7';
+ } else {
+ mdlocaldomain[i++] = '7';
+ mdlocaldomain[i++] = '2';
+ }
+ }
+ else
+ i++;
+}
+
+char *
+myrootdir(char *name)
+{
+return myhomedir();
+}
+
+char *
+mdirpath(void)
+{
+ char *path = maildir_parameters(GET_MDINBOXPATH, NIL);
+ return path ? (path[0] ? path : ".") : "Maildir";
+}
+
+/* remove the "#md/" or "#mc/" part from a folder name
+ * memory freed by caller
+ */
+char *
+maildir_remove_root (char *name)
+{
+ int courier = IS_COURIER(name), offset;
+ char realname[MAILTMPLEN];
+
+ offset = maildir_valid_name(name) ? (name[3] == '/' ? 4 : 3) : 0;
+ if(courier)
+ courier_realname(name+offset, realname);
+ else
+ strcpy(realname, name+offset);
+ return cpystr(realname);
+}
+
+
+/* Check validity of the name, we accept:
+ * a) #md/directory/folder
+ * b) #md/inbox
+ * A few considerations: We can only accept as valid
+ * a) names that start with #md/ and the directory exists or
+ * b) names that do not start with #md/ but are maildir directories (have
+ * the /cur, /tmp and /new structure)
+ */
+int maildir_valid_name (char *name)
+{
+ char tmpname[MAILTMPLEN] = {'\0'};
+
+ if (mdfpath)
+ fs_give((void **)&mdfpath);
+ if (name && (name[0] != '#'))
+ snprintf(tmpname, sizeof(tmpname), "%s%s",MDPREFIX(CCLIENT), name);
+ mdfpath = cpystr(tmpname[0] ? tmpname : name);
+
+ return IS_CCLIENT(name) || IS_COURIER(name);
+}
+
+/* Check if the directory whose path is given by name is a valid maildir
+ * directory (contains /cur, /tmp and /new)
+ */
+int maildir_valid_dir (char *name)
+{
+ int len;
+ DirNamesType i;
+ struct stat sbuf;
+ char tmp[MAILTMPLEN];
+
+ if(name[strlen(name) - 1] == '/')
+ name[strlen(name) - 1] = '\0';
+ len = strlen(name);
+ for (i = Cur; i != EndDir; i++){
+ MDFLD(tmp, name, i);
+ if (stat(tmp, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
+ break;
+ }
+ name[len] = '\0';
+ return (i == EndDir) ? T : NIL;
+}
+
+void courier_realname(char *name, char *realname)
+{
+ int i,j;
+
+ if(!name)
+ return;
+
+ for (i = 0, j = 0; i < MAILTMPLEN && j < strlen(name); j++, i++){
+ realname[i] = name[j];
+ if(name[j] == '/' && name[j+1] != '.' && name[j+1] != '%'
+ && name[j+1] != '*')
+ realname[++i] = '.';
+ }
+ if(realname[i-1] == '.')
+ i--;
+ realname[i] = '\0';
+}
+
+
+/* given a maildir folder, return its path. Memory freed by caller. Directory
+ * does not contain the trailing slash "/". On error NULL is returned.
+ */
+int maildir_file_path (char *name, char *tmp, size_t sizeoftmp)
+{
+ char *maildirpath = mdirpath(), *rname;
+ int courier = IS_COURIER(name);
+
+ /* There are several ways in which the path can come, so we will handle
+ them here. First we deal with #mc/ or #md/ prefix by removing the
+ prefix, if any */
+
+ if(strlen(name) >= MAILTMPLEN)
+ name[MAILTMPLEN] = '\0';
+ strcpy(tmp, name);
+ rname = maildir_remove_root(tmp);
+ tmp[0] = '\0'; /* just in case something fails */
+
+ if (strlen(myrootdir(rname)) +
+ max(strlen(rname), strlen(maildirpath)) > sizeoftmp){
+ errno = ENAMETOOLONG;
+ snprintf(tmp, sizeoftmp, "Error opening \"%s\": %s", rname, strerror (errno));
+ mm_log(tmp,ERROR);
+ if(rname) fs_give((void **)&rname);
+ return NIL;
+ }
+
+ /* There are two ways in which the name can come here, either as a
+ full path or not. If it is not a full path it can come in two ways,
+ either as a file system path (Maildir/.Drafts) or as a maildir path
+ (INBOX.Drafts)
+ */
+
+ if(*rname == '/'){ /* full path */
+ strncpy(tmp, rname, sizeoftmp); /* do nothing */
+ tmp[sizeoftmp-1] = '\0';
+ }
+ else
+ snprintf (tmp, sizeoftmp, "%s/%s%s%s", myrootdir (rname),
+ strncmp (ucase (strcpy (tmp, rname)), "INBOX", 5)
+ ? rname : maildirpath,
+ strncmp (ucase (strcpy (tmp, rname)), "INBOX", 5)
+ ? "" : (courier ? "/" : ""),
+ strncmp (ucase (strcpy (tmp, rname)), "INBOX", 5)
+ ? "" : (*(rname+5) == MDSEPARATOR(courier) ? rname+5 : ""));
+ if(rname) fs_give((void **)&rname);
+ return tmp[0] ? T : NIL;
+}
+
+/* This function is given a full path for a mailbox and returns
+ * if it is a valid maildir transformed to canonical notation
+ */
+int
+is_valid_maildir (char **name)
+{
+ if (!strncmp(*name, myrootdir (*name), strlen(myrootdir(*name)))){
+ (*name) += strlen(myrootdir(*name));
+ if (**name == '/') (*name)++;
+ }
+ return maildir_valid(*name) ? T : NIL;
+}
+
+/* Check validity of mailbox. This routine does not send errors to log, other
+ * routines calling this one may do so, though
+ */
+
+DRIVER *maildir_valid (char *name)
+{
+ char tmpname[MAILTMPLEN];
+
+ maildir_file_path(name, tmpname, sizeof(tmpname));
+
+ return maildir_valid_dir(tmpname)
+ ? (IS_COURIER(name) ? &courierdriver : &maildirdriver) : NIL;
+}
+
+void maildir_fast (MAILSTREAM *stream,char *sequence,long flags)
+{
+ unsigned long i;
+ MESSAGECACHE *elt;
+ /* get sequence */
+ if (stream && LOCAL && ((flags & FT_UID) ?
+ mail_uid_sequence (stream,sequence) :
+ mail_sequence (stream,sequence)))
+ for (i = 1L; i <= stream->nmsgs; i++) {
+ if ((elt = mail_elt (stream,i))->sequence && (elt->valid = T) &&
+ !(elt->day && elt->rfc822_size)) {
+ ENVELOPE **env = NIL;
+ ENVELOPE *e = NIL;
+ if (!stream->scache) env = &elt->private.msg.env;
+ else if (stream->msgno == i) env = &stream->env;
+ else env = &e;
+ if (!*env || !elt->rfc822_size) {
+ STRING bs;
+ unsigned long hs;
+ char *ht = (*stream->dtb->header) (stream,i,&hs,NIL);
+
+ if (!*env) rfc822_parse_msg (env,NIL,ht,hs,NIL,BADHOST,
+ stream->dtb->flags);
+ if (!elt->rfc822_size) {
+ (*stream->dtb->text) (stream,i,&bs,FT_PEEK);
+ elt->rfc822_size = hs + SIZE (&bs) - GETPOS (&bs);
+ }
+ }
+
+ if (!elt->day && *env && (*env)->date)
+ mail_parse_date (elt,(*env)->date);
+
+ if (!elt->day) elt->day = elt->month = 1;
+ mail_free_envelope (&e);
+ }
+ }
+}
+
+int
+maildir_eliminate_duplicate (char *name, struct direct ***flist, unsigned long *nfiles)
+{
+ int i, j, k, error = 0, scanr;
+ char new[MAILTMPLEN], old[MAILTMPLEN], tmp[MAILTMPLEN], *str;
+ struct direct **names = NIL;
+
+ if((scanr = maildir_doscandir(name, &names, CCLIENT)) < 0)
+ return -1;
+
+ if(nfiles) *nfiles = scanr;
+ for(i = 0, j = 1, k = 0; j < scanr; i++, j++){
+ if(k)
+ names[i] = names[i+k];
+ if(same_maildir_file(names[i]->d_name, names[j]->d_name)){
+ int d, f, r, s;
+ maildir_getflag(names[i]->d_name, &d, &f, &r, &s, NIL);
+ snprintf(old, sizeof(old), "%s/%s", name, names[i]->d_name);
+ snprintf(new, sizeof(new), "%s/.%s", name, names[i]->d_name);
+ if(rename(old, new) < 0 && errno != EEXIST)
+ error++;
+ if(!error){
+ for(; j < scanr
+ && same_maildir_file(names[i]->d_name, names[j]->d_name)
+ ; j++, k++){
+ maildir_getflag(names[j]->d_name, (d ? NIL : &d),
+ (f ? NIL : &f), (r ? NIL : &r), (s ? NIL : &s), NIL);
+ snprintf(tmp, sizeof(tmp), "%s/%s", name, names[j]->d_name);
+ if(unlink(tmp) < 0){ /* Hmmm... a problem, let's see */
+ struct stat sbuf;
+ if (stat(tmp, &sbuf) == 0 && (sbuf.st_mode & S_IFMT) == S_IFREG)
+ error++;
+ }
+ }
+ if((str = strrchr(names[i]->d_name,FLAGSEP)) != NULL) *str = '\0';
+ snprintf (old, sizeof(old), "%s/%s%s%s%s%s%s", name, names[i]->d_name, MDSEP(2),
+ MDFLAG(Draft, d), MDFLAG(Flagged, f), MDFLAG(Replied, r),
+ MDFLAG(Seen, s));
+ if(rename(new, old) < 0)
+ error++;
+ }
+ }
+
+ }
+ if(k > 0)
+ fs_give((void **)&names);
+ else
+ *flist = names;
+ return error ? -1 : k;
+}
+
+int
+maildir_doscandir(char *name, struct direct ***flist, int flag)
+{
+return scandir(name, flist,
+ flag == CCLIENT ? maildir_select : courier_dir_select,
+ flag == CCLIENT ? maildir_namesort : courier_dir_sort);
+}
+
+/*
+ * return all files in a given directory. This is a separate call
+ * so that if there are warnings during compilation this only appears once.
+ */
+unsigned long
+maildir_scandir (char *name, struct direct ***flist,
+ unsigned long *nfiles, int *scand, int flag)
+{
+ struct stat sbuf;
+ int rv = -2; /* impossible value */
+
+ if (scand)
+ *scand = -1; /* assume error for safety */
+ *nfiles = 0;
+ if((stat(name,&sbuf) < 0)
+ || (flag == CCLIENT
+ && ((rv = maildir_eliminate_duplicate(name, flist, nfiles)) < 0)))
+ return 0L;
+
+ if (scand && (rv > 0 || rv == -2))
+ *nfiles = maildir_doscandir(name, flist, flag);
+
+ if(scand) *scand = *nfiles;
+
+ return (unsigned long) sbuf.st_ctime;
+}
+
+/* Does a message with given name exists (or was it removed)?
+ * Returns: 1 - yes, such message exist,
+ * 0 - No, that message does not exist anymore
+ *
+ * Parameters: stream, name of mailbox, new name if his message does not
+ * exist.
+ */
+
+int maildir_message_exists(MAILSTREAM *stream, char *name, char *newfile)
+{
+ char tmp[MAILTMPLEN];
+ int gotit = NIL;
+ DIR *dir;
+ struct direct *d;
+ struct stat sbuf;
+
+ /* First check directly if it exists, if not there, look for it */
+ snprintf(tmp, sizeof(tmp), "%s/%s", LOCAL->path[Cur], name);
+ if ((stat(tmp, &sbuf) == 0) && ((sbuf.st_mode & S_IFMT) == S_IFREG))
+ return T;
+
+ if (!(dir = opendir (LOCAL->path[Cur])))
+ return NIL;
+
+ while ((d = readdir(dir)) && gotit == NIL){
+ if (d->d_name[0] == '.')
+ continue;
+ if (same_maildir_file(d->d_name, name)){
+ gotit = T;
+ strcpy(newfile, d->d_name);
+ }
+ }
+ closedir(dir);
+ return gotit;
+}
+
+/* Maildir open */
+
+MAILSTREAM *maildir_open (MAILSTREAM *stream)
+{
+ char tmp[MAILTMPLEN];
+ struct stat sbuf;
+
+ if (!stream) return &maildirproto;
+ if (stream->local) fatal ("maildir recycle stream");
+ md_domain_name(); /* get domain name for maildir files in mdlocaldomain */
+ if(mypid == (pid_t) 0)
+ mypid = getpid();
+ if (!stream->rdonly){
+ stream->perm_seen = stream->perm_deleted = stream->perm_flagged =
+ stream->perm_answered = stream->perm_draft = T;
+ }
+ stream->local = (MAILDIRLOCAL *) fs_get (sizeof (MAILDIRLOCAL));
+ memset(LOCAL, 0, sizeof(MAILDIRLOCAL));
+ LOCAL->fd = -1;
+
+ LOCAL->courier = IS_COURIER(stream->mailbox);
+ strcpy(tmp, stream->mailbox);
+ if (maildir_file_path (stream->mailbox, tmp, sizeof(tmp)))
+ LOCAL->dir = cpystr (tmp);
+ LOCAL->candouid = maildir_can_assign_uid(stream);
+ maildir_read_uid(stream, &stream->uid_last, &stream->uid_validity);
+ if (LOCAL->dir){
+ LOCAL->path = (char **) fs_get(EndDir*sizeof(char *));
+ MDFLD(tmp, LOCAL->dir, Cur); LOCAL->path[Cur] = cpystr (tmp);
+ MDFLD(tmp, LOCAL->dir, New); LOCAL->path[New] = cpystr (tmp);
+ MDFLD(tmp, LOCAL->dir, Tmp); LOCAL->path[Tmp] = cpystr (tmp);
+ if (stat (LOCAL->path[Cur],&sbuf) < 0) {
+ snprintf (tmp, sizeof(tmp), "Can't open folder %s: %s",
+ stream->mailbox,strerror (errno));
+ mm_log (tmp,ERROR);
+ maildir_close(stream, 0);
+ return NIL;
+ }
+ }
+
+ if(maildir_file_path (stream->mailbox, tmp, sizeof(tmp))){
+ fs_give ((void **) &stream->mailbox);
+ stream->mailbox = cpystr(tmp);
+ }
+
+ LOCAL->buf = (char *) fs_get (CHUNKSIZE);
+ LOCAL->buflen = CHUNKSIZE - 1;
+ stream->sequence++;
+ stream->nmsgs = stream->recent = 0L;
+
+ maildir_parse_folder(stream, 1);
+
+ return stream;
+}
+
+/* Maildir initial parsing of the folder */
+void
+maildir_parse_folder (MAILSTREAM *stream, int full)
+{
+ char tmp[MAILTMPLEN];
+ struct direct **namescur = NIL, **namesnew = NIL;
+ unsigned long i, nfilescur = 0L, nfilesnew = 0L, oldpos, newpos, total;
+ int scan_err, rescan, loop = 0;
+
+ if (!stream) /* what??? */
+ return;
+
+ MM_CRITICAL(stream);
+
+ maildir_scandir (LOCAL->path[New], &namesnew, &nfilesnew, &scan_err, CCLIENT);
+ if (scan_err < 0)
+ maildir_abort(stream);
+
+ /* Scan old messages first, escoba! */
+ if(stream->rdonly ||
+ (LOCAL && ((maildir_initial_check(stream, Cur) == 0)
+ || nfilesnew > 0L))){
+ LOCAL->scantime = maildir_scandir (LOCAL->path[Cur], &namescur, &nfilescur,
+ &scan_err, CCLIENT);
+ if (scan_err < 0){
+ if(namesnew){
+ for(i = 0L; i < nfilesnew; i++)
+ fs_give((void **)&namesnew[i]);
+ fs_give((void **) &namesnew);
+ }
+ maildir_abort(stream);
+ }
+ }
+ if(LOCAL && (maildir_initial_check(stream, New) == 0)
+ && (nfilescur > 0L)){
+ while(LOCAL && loop < 10){
+ if(nfilesnew == 0L)
+ maildir_scandir (LOCAL->path[New], &namesnew, &nfilesnew, &scan_err, CCLIENT);
+ if (scan_err < 0){
+ if(namesnew){
+ for(i = 0L; i < nfilesnew; i++)
+ fs_give((void **)&namesnew[i]);
+ fs_give((void **) &namesnew);
+ }
+ maildir_abort(stream);
+ break;
+ }
+ for(i = 0L, rescan = 0, newpos = oldpos = 0L;
+ newpos < nfilescur && i < nfilesnew; i++){
+ if(maildir_message_in_list(namesnew[i]->d_name, namescur, oldpos,
+ nfilescur - 1L, &newpos)){
+ oldpos = newpos;
+ snprintf(tmp, sizeof(tmp), "%s/%s", LOCAL->path[New], namesnew[i]->d_name);
+ if(unlink(tmp) < 0)
+ scan_err = -1;
+ rescan++;
+ }
+ else
+ newpos = oldpos;
+ }
+ if(scan_err < 0)
+ maildir_abort(stream);
+ if(rescan == 0)
+ break;
+ else{ /* restart */
+ if(namesnew){
+ for(i = 0L; i < nfilesnew; i++)
+ fs_give((void **)&namesnew[i]);
+ fs_give((void **) &namesnew);
+ }
+ nfilesnew = 0L;
+ loop++;
+ }
+ }
+ }
+ if(loop == 10)
+ maildir_abort(stream);
+ if(LOCAL){
+ if(stream->rdonly)
+ stream->recent = 0L;
+ total = namescur || stream->rdonly
+ ? maildir_parse_dir(stream, 0L, Cur, namescur,
+ nfilescur, full) : stream->nmsgs;
+ stream->nmsgs = maildir_parse_dir(stream, total, New, namesnew,
+ nfilesnew, full);
+ }
+ if(namesnew){
+ for(i = 0L; i < nfilesnew; i++)
+ fs_give((void **)&namesnew[i]);
+ fs_give((void **) &namesnew);
+ }
+ if(namescur){
+ for(i = 0L; i < nfilescur; i++)
+ fs_give((void **)&namescur[i]);
+ fs_give((void **) &namescur);
+ }
+ MM_NOCRITICAL(stream);
+}
+
+int
+maildir_initial_check (MAILSTREAM *stream, DirNamesType dirtype)
+{
+ char *tmp;
+ struct stat sbuf;
+
+ if (access (LOCAL->path[dirtype], R_OK|W_OK|X_OK) != 0){
+ maildir_abort(stream);
+ return -1;
+ }
+
+ if (dirtype != New &&
+ (stat(LOCAL->path[Cur], &sbuf) < 0 || sbuf.st_ctime == LOCAL->scantime))
+ return -1;
+ return 0;
+}
+
+
+/* Return the number of messages in the directory, while filling the
+ * elt structure.
+ */
+
+unsigned long
+maildir_parse_dir(MAILSTREAM *stream, unsigned long nmsgs,
+ DirNamesType dirtype, struct direct **names,
+ unsigned long nfiles, int full)
+{
+ char tmp[MAILTMPLEN], file[MAILTMPLEN], newfile[MAILTMPLEN], *mdstr;
+ struct stat sbuf;
+ unsigned long i, new = 0L, l, uid_last;
+ unsigned long recent = stream ? stream->recent : 0L;
+ int d = 0, f = 0, r = 0, s = 0, t = 0;
+ int we_compute, in_list;
+ int silent = stream ? stream->silent : NIL;
+ MESSAGECACHE *elt;
+
+ if (dirtype == Cur && !stream->rdonly)
+ for (i = 1L; i <= stream->nmsgs;){
+ elt = mail_elt(stream, i);
+ in_list = elt && elt->private.spare.ptr && nfiles > 0L
+ ? (MDPOS(elt) < nfiles
+ ? same_maildir_file(MDFILE(elt), names[MDPOS(elt)]->d_name)
+ : NIL)
+ || maildir_message_in_list(MDFILE(elt), names, 0L,
+ nfiles - 1L, &MDPOS(elt))
+ : NIL;
+ if (!in_list){
+ if (elt->private.spare.ptr)
+ maildir_free_file ((void **) &elt->private.spare.ptr);
+
+ if (elt->recent) --recent;
+ mail_expunged(stream,i);
+ }
+ else i++;
+ }
+
+ stream->silent = T;
+ uid_last = 0L;
+ for (we_compute = 0, i = l = 1L; l <= nfiles; l++){
+ unsigned long pos, uid;
+ if (dirtype == New && !stream->rdonly){ /* move new messages to cur */
+ pos = l - 1L;
+ snprintf (file, sizeof(file), "%s/%s", LOCAL->path[New], names[pos]->d_name);
+ if(lstat(file,&sbuf) == 0)
+ switch(sbuf.st_mode & S_IFMT){
+ case S_IFREG:
+ strcpy(tmp, names[pos]->d_name);
+ if((mdstr = strstr(tmp,MDSEP(3)))
+ || (mdstr = strstr(tmp,MDSEP(2))))
+ *(mdstr+1) = '2';
+ else
+ strcat(tmp, MDSEP(2));
+ snprintf(newfile, sizeof(newfile), "%s/%s", LOCAL->path[Cur], tmp);
+ if(rename (file, newfile) != 0){
+ mm_log("Unable to read new mail!", WARN);
+ continue;
+ }
+ unlink (file);
+ new++;
+ break;
+ case S_IFLNK: /* clean up, clean up, everybody, everywhere */
+ if(unlink(file) < 0){
+ if(LOCAL->link == NIL){
+ mm_log("Unable to remove symbolic link", WARN);
+ LOCAL->link = T;
+ }
+ }
+ continue;
+ break;
+ default:
+ if(LOCAL && LOCAL->link == NIL){
+ mm_log("Unrecognized file or link in folder", WARN);
+ LOCAL->link = T;
+ }
+ continue;
+ break;
+ }
+ }
+ mail_exists(stream, i + nmsgs);
+ elt = mail_elt(stream, i + nmsgs);
+ pos = (elt && elt->private.spare.ptr) ? MDPOS(elt) : l - 1L;
+ if (dirtype == New) elt->recent = T;
+ maildir_getflag(names[pos]->d_name, &d, &f, &r ,&s, &t);
+ if (elt->private.spare.ptr)
+ maildir_free_file_only ((void **)&elt->private.spare.ptr);
+ else{
+ maildir_get_file((MAILDIRFILE **)&elt->private.spare.ptr);
+ we_compute++;
+ }
+ MDFILE(elt) = cpystr(names[pos]->d_name);
+ MDPOS(elt) = pos;
+ MDLOC(elt) = dirtype;
+ if (dirtype == Cur){ /* deal with UIDs */
+ if(elt->private.uid == 0L)
+ elt->private.uid = maildir_get_uid(MDFILE(elt));
+ if(elt->private.uid <= uid_last){
+ uid = (we_compute ? uid_last : stream->uid_last) + 1L;
+ if(LOCAL->candouid)
+ maildir_assign_uid(stream, i + nmsgs, uid);
+ else
+ elt->private.uid = uid;
+ }
+ else
+ uid = elt->private.uid;
+ uid_last = uid;
+ if(uid_last > stream->uid_last)
+ stream->uid_last = uid_last;
+ }
+ if(dirtype == New && !stream->rdonly){
+ maildir_free_file_only((void **)&elt->private.spare.ptr);
+ MDFILE(elt) = cpystr(tmp);
+ MDSIZE(elt) = sbuf.st_size;
+ MDMTIME(elt) = sbuf.st_mtime;
+ MDLOC(elt) = Cur;
+ }
+ if (elt->draft != d || elt->flagged != f ||
+ elt->answered != r || elt->seen != s || elt->deleted != t){
+ elt->draft = d; elt->flagged = f; elt->answered = r;
+ elt->seen = s; elt->deleted = t;
+ if (!we_compute && !stream->rdonly)
+ MM_FLAGS(stream, i+nmsgs);
+ }
+ maildir_get_date(stream, i+nmsgs);
+ elt->valid = T;
+ i++;
+ }
+ stream->silent = silent;
+ if(LOCAL->candouid && dirtype == Cur)
+ maildir_read_uid(stream, NULL, &stream->uid_validity);
+ if (dirtype == New && stream->rdonly)
+ new = nfiles;
+ mail_exists(stream, nmsgs + ((dirtype == New) ? new : nfiles));
+ mail_recent(stream, recent + ((dirtype == New) ? new : 0L));
+
+ return (nmsgs + (dirtype == New ? new : nfiles));
+}
+
+long maildir_ping (MAILSTREAM *stream)
+{
+ maildir_parse_folder(stream, 0);
+ if(stream && LOCAL){
+ if(LOCAL->candouid < 0)
+ LOCAL->candouid++;
+ else if(LOCAL->candouid)
+ maildir_uid_renew_tempfile(stream);
+ else /* try again to get uids */
+ LOCAL->candouid = maildir_can_assign_uid(stream);
+ }
+ return stream && LOCAL ? LONGT : NIL;
+}
+
+int maildir_select (const struct direct *name)
+{
+ return (name->d_name[0] != '.');
+}
+
+/*
+ * Unfortunately, there is no way to sort by arrival in this driver, this
+ * means that opening a folder in this driver using the scandir function
+ * will always make this driver slower than any driver that has a natural
+ * way of sorting by arrival (like a flat file format, "mbox", "mbx", etc).
+ */
+int maildir_namesort (const struct direct **d1, const struct direct **d2)
+{
+ const struct direct *e1 = *(const struct direct **) d1;
+ const struct direct *e2 = *(const struct direct **) d2;
+
+ return comp_maildir_file((char *) e1->d_name, (char *) e2->d_name);
+}
+
+/* Maildir close */
+
+void maildir_close (MAILSTREAM *stream, long options)
+{
+ MESSAGECACHE *elt;
+ unsigned long i;
+ int silent = stream ? stream->silent : 0;
+ mailcache_t mc = (mailcache_t) mail_parameters (NIL,GET_CACHE,NIL);
+
+ if (!stream) return;
+
+ for (i = 1L; i <= stream->nmsgs; i++)
+ if((elt = (MESSAGECACHE *) (*mc)(stream,i,CH_ELT)) && elt->private.spare.ptr)
+ maildir_free_file ((void **) &elt->private.spare.ptr);
+ stream->silent = T;
+ if (options & CL_EXPUNGE) maildir_expunge (stream, NIL, NIL);
+ maildir_abort(stream);
+ if (mdfpath) fs_give((void **)&mdfpath);
+ if (mypid) mypid = (pid_t) 0;
+ stream->silent = silent;
+}
+
+void maildir_check (MAILSTREAM *stream)
+{
+ if (maildir_ping (stream)) mm_log ("Check completed",(long) NIL);
+}
+
+long maildir_text (MAILSTREAM *stream,unsigned long msgno,STRING *bs, long flags)
+{
+ char tmp[MAILTMPLEN];
+ unsigned long i;
+ MESSAGECACHE *elt;
+ char *s;
+ /* UID call "impossible" */
+ if (flags & FT_UID || !LOCAL) return NIL;
+ elt = mail_elt (stream, msgno);
+
+ if (!(flags & FT_PEEK) && !elt->seen){
+ elt->seen = T;
+ maildir_flagmsg (stream, elt);
+ MM_FLAGS(stream, elt->msgno);
+ }
+
+ MSGPATH(tmp, LOCAL->dir, MDFILE(elt), MDLOC(elt));
+ if (LOCAL->fd < 0) /* if file closed ? */
+ LOCAL->fd = open(tmp,O_RDONLY,NIL);
+
+ if (LOCAL->fd < 0 && (errno == EACCES || errno == ENOENT)){
+ INIT (bs, mail_string, "", 0);
+ elt->rfc822_size = 0L;
+ return NIL;
+ }
+
+ s = maildir_text_work(stream, elt, &i, flags);
+ INIT (bs, mail_string, s, i);
+ return LONGT;
+}
+
+char *maildir_text_work (MAILSTREAM *stream,MESSAGECACHE *elt,
+ unsigned long *length,long flags)
+{
+ FDDATA d;
+ STRING bs;
+ char *s,tmp[CHUNK];
+ unsigned long msgno = elt->msgno;
+ static int try = 0;
+
+ if (length)
+ *length = 0L;
+ LOCAL->buf[0] = '\0';
+
+ MSGPATH(tmp, LOCAL->dir, MDFILE(elt), MDLOC(elt));
+ if (LOCAL->fd < 0) /* if file closed ? */
+ LOCAL->fd = open(tmp,O_RDONLY,NIL);
+
+ if (LOCAL->fd < 0){ /* flag change? */
+ if (try < 5){
+ try++;
+ if (maildir_update_elt_maildirp(stream, msgno) > 0)
+ try = 0;
+ return maildir_text_work(stream, mail_elt(stream, msgno),length, flags);
+ }
+ try = 0;
+ return NULL;
+ }
+
+ lseek (LOCAL->fd, elt->private.msg.text.offset,L_SET);
+
+ if (flags & FT_INTERNAL) { /* initial data OK? */
+ if (elt->private.msg.text.text.size > LOCAL->buflen) {
+ fs_give ((void **) &LOCAL->buf);
+ LOCAL->buf = (char *) fs_get ((LOCAL->buflen =
+ elt->private.msg.text.text.size) + 1);
+ }
+ read (LOCAL->fd,LOCAL->buf,elt->private.msg.text.text.size);
+ LOCAL->buf[*length = elt->private.msg.text.text.size] = '\0';
+ }
+ else {
+ if (elt->rfc822_size > LOCAL->buflen) {
+ fs_give ((void **) &LOCAL->buf);
+ LOCAL->buf = (char *) fs_get ((LOCAL->buflen = elt->rfc822_size) + 1);
+ }
+ d.fd = LOCAL->fd; /* yes, set up file descriptor */
+ d.pos = elt->private.msg.text.offset;
+ d.chunk = tmp; /* initial buffer chunk */
+ d.chunksize = CHUNK;
+ INIT (&bs,fd_string,&d,elt->private.msg.text.text.size);
+ for (s = LOCAL->buf; SIZE (&bs);) switch (CHR (&bs)) {
+ case '\r': /* carriage return seen */
+ *s++ = SNX (&bs); /* copy it and any succeeding LF */
+ if (SIZE (&bs) && (CHR (&bs) == '\n')) *s++ = SNX (&bs);
+ break;
+ case '\n':
+ *s++ = '\r'; /* insert a CR */
+ default:
+ *s++ = SNX (&bs); /* copy characters */
+ }
+ *s = '\0'; /* tie off buffer */
+ *length = s - (char *) LOCAL->buf; /* calculate length */
+ }
+ close(LOCAL->fd); LOCAL->fd = -1;
+ return LOCAL->buf;
+}
+
+/* maildir parse, fill the elt structure... well not all of it... */
+unsigned long maildir_parse_message(MAILSTREAM *stream, unsigned long msgno,
+ DirNamesType dirtype)
+{
+ char *b, *s, *t, c;
+ char tmp[MAILTMPLEN];
+ struct stat sbuf;
+ unsigned long i, len;
+ int d, f, r, se, dt;
+ MESSAGECACHE *elt;
+
+ elt = mail_elt (stream,msgno);
+ MSGPATH(tmp, LOCAL->dir, MDFILE(elt), dirtype);
+ if(stat(tmp, &sbuf) == 0)
+ MDSIZE(elt) = sbuf.st_size;
+
+ maildir_get_date(stream, msgno);
+ maildir_getflag(MDFILE(elt), &d, &f, &r ,&se, &dt);
+ elt->draft = d; elt->flagged = f; elt->answered = r; elt->seen = se;
+ elt->deleted = dt; elt->valid = T;
+ if (LOCAL->fd < 0) /* if file closed ? */
+ LOCAL->fd = open(tmp,O_RDONLY,NIL);
+
+ if (LOCAL->fd >= 0){
+ s = (char *) fs_get (MDSIZE(elt) + 1);
+ read (LOCAL->fd,s,MDSIZE(elt));
+ s[MDSIZE(elt)] = '\0';
+ t = s + strlen(s); /* make t point to the end of s */
+ for (i = 0L, b = s; b < t && !(i && (*b == '\n')); i = (*b++ == '\n'));
+ len = (*b ? ++b : b) - s;
+ elt->private.msg.header.text.size =
+ elt->private.msg.text.offset = len;
+ elt->private.msg.text.text.size = MDSIZE(elt) - len;
+ for (i = 0L, b = s, c = *b; b &&
+ ((c < '\016' && ((c == '\012' && ++i)
+ ||(c == '\015' && *(b+1) == '\012' && ++b && (i +=2))))
+ || b < t); i++, c= *++b);
+ elt->rfc822_size = i;
+ fs_give ((void **) &s);
+ close(LOCAL->fd); LOCAL->fd = -1;
+ }
+ return elt->rfc822_size;
+}
+
+int
+maildir_update_elt_maildirp(MAILSTREAM *stream, unsigned long msgno)
+{
+ struct direct **names = NIL;
+ unsigned long i, nfiles, pos;
+ int d = 0, f = 0 , r = 0, s = 0, t = 0, in_list, scan_err;
+ MESSAGECACHE *elt;
+
+ maildir_scandir (LOCAL->path[Cur], &names, &nfiles, &scan_err, CCLIENT);
+
+ elt = mail_elt (stream,msgno);
+
+ in_list = nfiles > 0L
+ ? maildir_message_in_list(MDFILE(elt), names, 0L, nfiles - 1L, &pos)
+ : NIL;
+
+ if (in_list && pos >= 0L && pos < nfiles
+ && !strcmp(MDFILE(elt), names[pos]->d_name)){
+ in_list = NIL;
+ maildir_abort(stream);
+ }
+
+ if (in_list && pos >= 0L && pos < nfiles){
+ maildir_free_file_only((void **)&elt->private.spare.ptr);
+ MDFILE(elt) = cpystr(names[pos]->d_name);
+ maildir_getflag(MDFILE(elt), &d, &f, &r ,&s, &t);
+ if (elt->draft != d || elt->flagged != f ||
+ elt->answered != r || elt->seen != s || elt->deleted != t){
+ elt->draft = d; elt->flagged = f; elt->answered = r;
+ elt->seen = s; elt->deleted = t;
+ MM_FLAGS(stream, msgno);
+ }
+ }
+ for (i = 0L; i < nfiles; i++)
+ fs_give((void **) &names[i]);
+ if (names)
+ fs_give((void **) &names);
+ return in_list ? 1 : -1;
+}
+
+/* Maildir fetch message header */
+
+char *maildir_header (MAILSTREAM *stream,unsigned long msgno,
+ unsigned long *length, long flags)
+{
+ char tmp[MAILTMPLEN], *s;
+ MESSAGECACHE *elt;
+ static int try = 0;
+
+ if (length) *length = 0;
+ if (flags & FT_UID || !LOCAL) return ""; /* UID call "impossible" */
+ elt = mail_elt (stream,msgno);
+ if(elt->private.msg.header.text.size == 0)
+ maildir_parse_message(stream, msgno, MDLOC(elt));
+
+ MSGPATH(tmp, LOCAL->dir, MDFILE(elt), MDLOC(elt));
+ if (LOCAL->fd < 0)
+ LOCAL->fd = open (tmp,O_RDONLY,NIL);
+
+ if (LOCAL->fd < 0 && errno == EACCES){
+ mm_log ("Message exists but can not be read. Envelope and body lost!",ERROR);
+ return NULL;
+ }
+
+ if (LOCAL->fd < 0){ /* flag change? */
+ if (try < 5){
+ try++;
+ if (maildir_update_elt_maildirp(stream, msgno) > 0)
+ try = 0;
+ return maildir_header(stream, msgno, length, flags);
+ }
+ try = 0;
+ return NULL;
+ }
+
+ if (flags & FT_INTERNAL){
+ if(elt->private.msg.header.text.size > LOCAL->buflen){
+ fs_give ((void **) &LOCAL->buf);
+ LOCAL->buf = (char *) fs_get ((LOCAL->buflen =
+ elt->private.msg.header.text.size) + 1);
+ }
+ read (LOCAL->fd, (void *)LOCAL->buf, elt->private.msg.header.text.size);
+ LOCAL->buf[*length = elt->private.msg.header.text.size] = '\0';
+ }
+ else{
+ s = (char *) fs_get(elt->private.msg.header.text.size+1);
+ read (LOCAL->fd, (void *)s, elt->private.msg.header.text.size);
+ s[elt->private.msg.header.text.size] = '\0';
+ *length = strcrlfcpy (&LOCAL->buf,&LOCAL->buflen,s,
+ elt->private.msg.header.text.size);
+ fs_give ((void **) &s);
+ }
+ elt->private.msg.text.offset = elt->private.msg.header.text.size;
+ elt->private.msg.text.text.size = MDSIZE(elt) - elt->private.msg.text.offset;
+ close(LOCAL->fd); LOCAL->fd = -1;
+ return LOCAL->buf;
+}
+
+/* Maildir find list of subscribed mailboxes
+ * Accepts: mail stream
+ * pattern to search
+ */
+
+void maildir_list (MAILSTREAM *stream,char *ref, char *pat)
+{
+ char *s,test[MAILTMPLEN],file[MAILTMPLEN];
+ long i = 0L;
+
+ if((!pat || !*pat) && maildir_canonicalize (test,ref,"*")
+ && maildir_valid_name(test)){ /* there is a #md/ leading here */
+ for (i = 3L; test[i] && test[i] != '/'; i++);
+ if ((s = strchr (test+i+1,'/')) != NULL) *++s = '\0';
+ else test[0] = '\0';
+ mm_list (stream,'/',test, LATT_NOSELECT);
+ }
+ else if (maildir_canonicalize (test,ref,pat)) {
+ if (test[3] == '/') { /* looking down levels? */
+ /* yes, found any wildcards? */
+ if ((s = strpbrk (test,"%*")) != NULL){
+ /* yes, copy name up to that point */
+ strncpy (file,test+4,i = s - (test+4));
+ file[i] = '\0'; /* tie off */
+ }
+ else strcpy (file,test+4);/* use just that name then */
+ /* find directory name */
+ if ((s = strrchr (file, '/')) != NULL){
+ *s = '\0'; /* found, tie off at that point */
+ s = file;
+ }
+ /* do the work */
+ if(IS_COURIER(test))
+ courier_list_work (stream,s,test,0);
+ else
+ maildir_list_work (stream,s,test,0);
+ }
+ /* always an INBOX */
+ if (!compare_cstring (test,"#MD/INBOX"))
+ mm_list (stream,NIL,"#MD/INBOX",LATT_NOINFERIORS);
+ if (!compare_cstring (test,"#MC/INBOX"))
+ mm_list (stream,NIL,"#MC/INBOX",LATT_NOINFERIORS);
+ }
+}
+
+void courier_list (MAILSTREAM *stream,char *ref, char *pat)
+{
+/* I am too lazy to do anything. Do you care to ask maildir list, please?
+ The real reason why this is a dummy function is because we do not want to
+ see the same folder listed twice.
+*/
+}
+
+/* For those that want to hide things, we give them a chance to do so */
+void *maildir_parameters (long function, void *value)
+{
+ void *ret = NIL;
+ switch ((int) function) {
+ case SET_MDINBOXPATH:
+ if(strlen((char *) value ) > 49)
+ strcpy(myMdInboxDir, "Maildir");
+ else
+ strcpy(myMdInboxDir, (char *) value);
+ case GET_MDINBOXPATH:
+ if (myMdInboxDir[0] == '\0') strcpy(myMdInboxDir,"Maildir");
+ ret = (void *) myMdInboxDir;
+ break;
+ case SET_COURIERSTYLE:
+ CourierStyle = (long) value;
+ case GET_COURIERSTYLE:
+ ret = (void *) CourierStyle;
+ break;
+ case GET_DIRFMTTEST:
+ ret = (void *) maildir_dirfmttest;
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+int maildir_create_folder(char *mailbox)
+{
+ char tmp[MAILTMPLEN], err[MAILTMPLEN];
+ DirNamesType i;
+
+ for (i = Cur; i != EndDir; i++){
+ MDFLD(tmp, mailbox, i);
+ if (mkdir(tmp, 0700) && errno != EEXIST){ /* try to make new dir */
+ snprintf (err, sizeof(err), "Can't create %s: %s", tmp, strerror(errno));
+ mm_log (err,ERROR);
+ return NIL;
+ }
+ }
+ return T;
+}
+
+int maildir_create_work(char *mailbox, int loop)
+{
+ char *s, c, err[MAILTMPLEN], tmp[MAILTMPLEN], tmp2[MAILTMPLEN], mbx[MAILTMPLEN];
+ int fnlen, create_dir = 0, courier, mv;
+ struct stat sbuf;
+ long style = (long) maildir_parameters(GET_COURIERSTYLE, NIL);
+
+ courier = IS_COURIER(mailbox);
+ strcpy(mbx, mailbox);
+ mv = maildir_valid(mbx) ? 1 : 0;
+ maildir_file_path(mailbox, tmp, sizeof(tmp));
+ if (mailbox[strlen(mailbox) - 1] == MDSEPARATOR(courier)){
+ create_dir++;
+ mailbox[strlen(mailbox) - 1] = '\0';
+ }
+
+ if(!loop && courier){
+ if(mv){
+ if(create_dir){
+ if(style == CCLIENT)
+ strcpy (err,"Can not create directory: folder exists. Create subfolder");
+ else
+ strcpy(err,"Folder and Directory already exist");
+ }
+ else
+ strcpy (err, "Can't create mailbox: mailbox already exists");
+ }
+ else{
+ if(create_dir)
+ strcpy(err, "Can not create directory. Cread folder instead");
+ else
+ err[0] = '\0';
+ }
+ if(err[0]){
+ mm_log (err,ERROR);
+ return NIL;
+ }
+ }
+
+ fnlen = strlen(tmp);
+ if ((s = strrchr(mailbox,MDSEPARATOR(courier))) != NULL){
+ c = *++s;
+ *s = '\0';
+ if ((stat(tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
+ !maildir_create_work (mailbox, ++loop))
+ return NIL;
+ *s = c;
+ }
+ tmp[fnlen] = '\0';
+
+ if (mkdir(tmp,0700) && errno != EEXIST)
+ return NIL;
+
+ if (create_dir)
+ mailbox[fnlen] = '/';
+
+ if (create_dir){
+ if(style == CCLIENT){
+ if(!courier){
+ FILE *fp = NULL;
+ snprintf(tmp2, sizeof(tmp2), "%s%s", tmp, MDDIR);
+ if ((fp = fopen(tmp2,"w")) == NULL){
+ snprintf (err, sizeof(err), "Problem creating %s: %s", tmp2, strerror(errno));
+ mm_log (err,ERROR);
+ return NIL;
+ }
+ fclose(fp);
+ }
+ }
+ return T;
+ }
+ else
+ return maildir_create_folder(tmp);
+}
+
+long maildir_create (MAILSTREAM *stream,char *mailbox)
+{
+ char tmp[MAILTMPLEN], err[MAILTMPLEN];
+ int rv, create_dir;
+
+ create_dir = mailbox ?
+ (mailbox[strlen(mailbox) - 1] ==
+ MDSEPARATOR(IS_COURIER(mailbox))) : 0;
+ maildir_file_path(mailbox, tmp, sizeof(tmp));
+ strcpy(tmp, mailbox);
+ rv = maildir_create_work(mailbox, 0);
+ strcpy(mailbox, tmp);
+ if (rv == 0){
+ snprintf (err, sizeof(err), "Can't create %s %s",
+ (create_dir ? "directory" : "mailbox"), mailbox);
+ mm_log (err,ERROR);
+ }
+ return rv ? LONGT : NIL;
+}
+
+#define MAXTRY 10000
+void maildir_flagmsg (MAILSTREAM *stream,MESSAGECACHE *elt)
+{
+ char oldfile[MAILTMPLEN],newfile[MAILTMPLEN],fn[MAILTMPLEN];
+ char *s;
+ int ren, try = 0;
+
+ if (elt->valid){
+ for (try = 1; try > 0 && try < MAXTRY; try++){
+ /* build the new filename */
+ snprintf (oldfile, sizeof(oldfile), "%s/%s",LOCAL->path[Cur], MDFILE(elt));
+ fn[0] = '\0';
+ if ((ren = maildir_message_exists(stream, MDFILE(elt), fn)) == 0){
+ errno = ENOENT;
+ try = MAXTRY;
+ }
+ if (*fn) /* new oldfile! */
+ snprintf (oldfile,sizeof(oldfile),"%s/%s", LOCAL->path[Cur], fn);
+ if ((s = strrchr (MDFILE(elt), FLAGSEP))) *s = '\0';
+ snprintf (fn, sizeof(fn), "%s%s%s%s%s%s%s", MDFILE(elt), MDSEP(2),
+ MDFLAG(Draft, elt->draft), MDFLAG(Flagged, elt->flagged),
+ MDFLAG(Replied, elt->answered), MDFLAG(Seen, elt->seen),
+ MDFLAG(Trashed, elt->deleted));
+ snprintf (newfile, sizeof(newfile), "%s/%s",LOCAL->path[Cur],fn);
+ if (ren != 0 && rename (oldfile,newfile) >= 0)
+ try = -1;
+ }
+
+ if (try > 0){
+ snprintf(oldfile, sizeof(oldfile), "Unable to write flags to disk: %s",
+ (errno == ENOENT) ? "message is gone!" : strerror (errno));
+ mm_log(oldfile,ERROR);
+ return;
+ }
+#ifdef __CYGWIN__
+ utime(LOCAL->path[Cur], NIL); /* make sure next scan will catch the change */
+#endif
+ maildir_free_file_only ((void **) &elt->private.spare.ptr);
+ MDFILE(elt) = cpystr (fn);
+ }
+}
+
+long maildir_expunge (MAILSTREAM *stream, char *sequence, long options)
+{
+ long ret;
+ MESSAGECACHE *elt;
+ unsigned long i, n = 0L;
+ unsigned long recent = stream->recent;
+ char tmp[MAILTMPLEN];
+
+ mm_critical (stream); /* go critical */
+ ret = sequence ? ((options & EX_UID) ?
+ mail_uid_sequence (stream,sequence) :
+ mail_sequence (stream,sequence)) : LONGT;
+ if(ret == 0L)
+ return 0L;
+ for (i = 1L; i <= stream->nmsgs;){
+ elt = mail_elt (stream,i);
+ if (elt->deleted && (sequence ? elt->sequence : T)){
+ snprintf (tmp, sizeof(tmp), "%s/%s", LOCAL->path[Cur], MDFILE(elt));
+ if (unlink (tmp) < 0) {/* try to delete the message */
+ snprintf (tmp, sizeof(tmp), "Expunge of message %ld failed, aborted: %s",i,
+ strerror (errno));
+ if (!stream->silent)
+ mm_log (tmp,WARN);
+ break;
+ }
+ if (elt->private.spare.ptr)
+ maildir_free_file ((void **) &elt->private.spare.ptr);
+ if (elt->recent) --recent;/* if recent, note one less recent message */
+ mail_expunged (stream,i); /* notify upper levels */
+ n++; /* count up one more expunged message */
+ }
+ else i++;
+ }
+ if(n){ /* output the news if any expunged */
+ snprintf (tmp, sizeof(tmp), "Expunged %ld messages", n);
+ if (!stream->silent)
+ mm_log (tmp,(long) NIL);
+ }
+ else
+ if (!stream->silent)
+ mm_log ("No messages deleted, so no update needed",(long) NIL);
+ mm_nocritical (stream); /* release critical */
+ /* notify upper level of new mailbox size */
+ mail_exists (stream, stream->nmsgs);
+ mail_recent (stream, recent);
+ return ret;
+}
+
+long maildir_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+{
+ STRING st;
+ MESSAGECACHE *elt;
+ unsigned long len;
+ int fd;
+ unsigned long i;
+ struct stat sbuf;
+ char tmp[MAILTMPLEN], flags[MAILTMPLEN], path[MAILTMPLEN], *s;
+ /* copy the messages */
+ if ((options & CP_UID) ? mail_uid_sequence (stream, sequence) :
+ mail_sequence (stream,sequence))
+ for (i = 1L; i <= stream->nmsgs; i++)
+ if ((elt = mail_elt (stream,i))->sequence){
+ MSGPATH(path, LOCAL->dir, MDFILE(elt), MDLOC(elt));
+ if (((fd = open (path,O_RDONLY,NIL)) < 0)
+ ||((!elt->rfc822_size &&
+ ((stat(path, &sbuf) < 0) || !S_ISREG (sbuf.st_mode)))))
+ return NIL;
+ if(!elt->rfc822_size)
+ MDSIZE(elt) = sbuf.st_size;
+ s = (char *) fs_get(MDSIZE(elt) + 1);
+ read (fd,s,MDSIZE(elt));
+ s[MDSIZE(elt)] = '\0';
+ close (fd);
+ len = strcrlfcpy (&LOCAL->buf,&LOCAL->buflen, s, MDSIZE(elt));
+ INIT (&st,mail_string, LOCAL->buf, len);
+ elt->rfc822_size = len;
+ fs_give ((void **)&s);
+
+ flags[0] = flags[1] = '\0';
+ if (elt->seen) strcat (flags," \\Seen");
+ if (elt->draft) strcat (flags," \\Draft");
+ if (elt->deleted) strcat (flags," \\Deleted");
+ if (elt->flagged) strcat (flags," \\Flagged");
+ if (elt->answered) strcat (flags," \\Answered");
+ flags[0] = '('; /* open list */
+ strcat (flags,")"); /* close list */
+ mail_date (tmp,elt); /* generate internal date */
+ if (!mail_append_full (NIL, mailbox, flags, tmp, &st))
+ return NIL;
+ if (options & CP_MOVE) elt->deleted = T;
+ }
+ return LONGT; /* return success */
+}
+
+long maildir_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+{
+ int fd, k;
+ STRING *message;
+ char c,*s, *flags, *date;
+ char tmp[MAILTMPLEN],file[MAILTMPLEN],path1[MAILTMPLEN],path2[MAILTMPLEN];
+ MESSAGECACHE elt;
+ long i, size = 0L, ret = LONGT, f;
+ unsigned long uf, ti;
+ static unsigned int transact = 0;
+
+ if (!maildir_valid(mailbox)) {
+ snprintf (tmp, sizeof(tmp), "Not a valid Maildir mailbox: %s", mailbox);
+ mm_log (tmp,ERROR);
+ return NIL;
+ }
+
+ if (!*mdlocaldomain)
+ md_domain_name(); /* get domain name for maildir files in mdlocaldomain now! */
+
+ if (mypid == (pid_t) 0)
+ mypid = getpid();
+
+ if (!stream){
+ stream = &maildirproto;
+
+ for (k = 0; k < NUSERFLAGS && stream->user_flags[k]; ++k)
+ fs_give ((void **) &stream->user_flags[k]);
+ }
+
+ if (!(*af)(stream, data, &flags, &date, &message)) return NIL;
+
+ mm_critical (stream); /* go critical */
+ /* call time(0) only once, use transact to distinguish instead */
+ ti = time(0);
+ do {
+ if (!SIZE (message)) { /* guard against zero-length */
+ mm_log ("Append of zero-length message",ERROR);
+ ret = NIL;
+ break;
+ }
+ if (date && !mail_parse_date(&elt,date)){
+ snprintf (tmp, sizeof(tmp), "Bad date in append: %.80s",date);
+ mm_log (tmp,ERROR);
+ ret = NIL;
+ break;
+ }
+ f = mail_parse_flags (stream,flags,&uf);
+ /* build file name we will use */
+ snprintf (file, sizeof(file), "%lu.%d_%09u.%s%s%s%s%s%s",
+ ti, mypid, transact++, mdlocaldomain, (f ? MDSEP(2) : ""),
+ MDFLAG(Draft, f&fDRAFT), MDFLAG(Flagged, f&fFLAGGED),
+ MDFLAG(Replied, f&fANSWERED), MDFLAG(Seen, f&fSEEN));
+ /* build tmp file name */
+ if (maildir_file_path(mailbox, tmp, sizeof(tmp)))
+ MSGPATH(path1, tmp, file, Tmp);
+
+ if ((fd = open (path1,O_WRONLY|O_CREAT|O_EXCL,S_IREAD|S_IWRITE)) < 0) {
+ snprintf (tmp, sizeof(tmp), "Can't open append mailbox: %s", strerror (errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ for (size = 0,i = SIZE (message),s = (char *) fs_get (i + 1); i; --i)
+ if ((c = SNX (message)) != '\015') s[size++] = c;
+ if ((write (fd, s, size) < 0) || fsync (fd)) {
+ unlink (path1); /* delete message */
+ snprintf (tmp, sizeof(tmp), "Message append failed: %s", strerror (errno));
+ mm_log (tmp, ERROR);
+ ret = NIL;
+ }
+ fs_give ((void **) &s); /* flush the buffer */
+ close (fd); /* close the file */
+ /* build final filename to use */
+ if (maildir_file_path(mailbox, tmp, sizeof(tmp)))
+ MSGPATH(path2, tmp, file, New);
+ if (rename (path1,path2) < 0) {
+ snprintf (tmp, sizeof(tmp), "Message append failed: %s", strerror (errno));
+ mm_log (tmp, ERROR);
+ ret = NIL;
+ }
+ unlink (path1);
+
+ if (ret)
+ if (!(*af) (stream,data,&flags,&date,&message)) ret = NIL;
+
+ } while (ret && message); /* write the data */
+ mm_nocritical (stream); /* release critical */
+ return ret;
+}
+
+long maildir_delete (MAILSTREAM *stream,char *mailbox)
+{
+ DIR *dirp;
+ struct direct *d;
+ int i, remove_dir = 0, mddir = 0, rv, error = 0;
+ char tmp[MAILTMPLEN],tmp2[MAILTMPLEN], realname[MAILTMPLEN];
+ struct stat sbuf;
+ int courier = IS_COURIER(mailbox);
+
+ if (mailbox[strlen(mailbox) - 1] == MDSEPARATOR(courier)){
+ remove_dir++;
+ mailbox[strlen(mailbox) -1] = '\0';
+ }
+
+ if (!maildir_valid(mailbox)){
+ maildir_file_path(mailbox, tmp, sizeof(tmp));
+ if (stat(tmp, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode)){
+ snprintf(tmp, sizeof(tmp), "Can not remove %s", mailbox);
+ error++;
+ }
+ }
+
+ if (!error && remove_dir && !maildir_dir_is_empty(mailbox)){
+ snprintf(tmp, sizeof(tmp), "Can not remove directory %s/: directory not empty", mailbox);
+ error++;
+ }
+
+ if(error){
+ mm_log (tmp,ERROR);
+ return NIL;
+ }
+
+ maildir_close(stream,0); /* even if stream was NULL */
+
+ maildir_file_path(mailbox, realname, sizeof(realname));
+
+ if (remove_dir){
+ snprintf(tmp, sizeof(tmp), "%s/%s", realname, MDDIR);
+ if ((rv = stat (tmp,&sbuf)) == 0 && S_ISREG(sbuf.st_mode))
+ rv = unlink(tmp);
+ else if (errno == ENOENT)
+ rv = 0;
+ if (rv != 0){
+ snprintf(tmp, sizeof(tmp), "Can not remove %s/%s: %s", tmp2, MDDIR, strerror(errno));
+ mm_log (tmp,ERROR);
+ return NIL;
+ }
+ if (!maildir_valid(realname) && rmdir(realname) != 0){
+ snprintf(tmp, sizeof(tmp), "Can not remove %s/: %s", mailbox, strerror(errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ return LONGT;
+ }
+ /* else remove just the folder. Remove all hidden files, except MDDIR */
+ for (i = Cur; i != EndDir; i++){
+ MDFLD(tmp, realname, i);
+
+ if (!(dirp = opendir (tmp))){
+ snprintf(tmp, sizeof(tmp), "Can not read %s/: %s", mailbox, strerror(errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+
+ while ((d = readdir(dirp)) != NULL){
+ if (strcmp(d->d_name, ".") && strcmp(d->d_name,"..")){
+ snprintf(tmp2, sizeof(tmp2), "%s/%s", tmp, d->d_name);
+ if (unlink(tmp2) != 0){
+ snprintf(tmp2, sizeof(tmp2), "Can not remove %s: %s", mailbox, strerror(errno));
+ mm_log (tmp2, ERROR);
+ return NIL;
+ }
+ }
+ }
+ closedir(dirp);
+ if (rmdir(tmp) != 0){
+ snprintf(tmp, sizeof(tmp), "Can not remove %s: %s", mailbox, strerror(errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ }
+ /*
+ * ok we have removed all subdirectories of the folder mailbox, Remove the
+ * hidden files.
+ */
+
+ if(!(dirp = opendir (realname))){
+ snprintf(tmp, sizeof(tmp), "Can not read %s/: %s", realname, strerror(errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+
+ while ((d = readdir(dirp)) != NULL){
+ if (strcmp(d->d_name, ".") && strcmp(d->d_name,"..")
+ && (!strcmp(d->d_name, MDDIR)
+ || !strncmp(d->d_name, MDUIDLAST, strlen(MDUIDLAST))
+ || !strncmp(d->d_name, MDUIDTEMP, strlen(MDUIDTEMP)))){
+ if(strcmp(d->d_name, MDDIR) == 0)
+ mddir++;
+ snprintf(tmp, sizeof(tmp), "%s/%s", realname, d->d_name);
+ if (unlink(tmp) != 0)
+ error++;
+ }
+ }
+ closedir(dirp);
+ if (error ||
+ (maildir_dir_is_empty(mailbox) && mddir == 0 && rmdir(realname) < 0)){
+ snprintf(tmp, sizeof(tmp), "Can not remove folder %s: %s", mailbox, strerror(errno));
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ return LONGT;
+}
+
+long maildir_rename (MAILSTREAM *stream, char *old, char *new)
+{
+ char tmp[MAILTMPLEN], tmpnew[MAILTMPLEN], realold[MAILTMPLEN];
+ char realnew[MAILTMPLEN];
+ int courier = IS_COURIER(old) && IS_COURIER(new);
+ int i;
+ long rv = LONGT;
+ COURIER_S *cdir;
+
+ if((IS_COURIER(old) || IS_COURIER(new)) && !courier){
+ snprintf (tmp, sizeof(tmp), "Can't rename mailbox %s to %s", old, new);
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+
+ if (!maildir_valid(old)){
+ snprintf (tmp, sizeof(tmp), "Can't rename mailbox %s: folder not in maildir format",old);
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ maildir_file_path(old, realold, sizeof(realold));
+ if (!maildir_valid_name(new) && new[0] == '#'){
+ snprintf (tmp, sizeof(tmp), "Cannot rename mailbox %s: folder not in maildir format", new);
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+ maildir_file_path(new, realnew, sizeof(realnew));
+ if (access(tmpnew,F_OK) == 0){ /* new mailbox name must not exist */
+ snprintf (tmp, sizeof(tmp), "Cannot rename to mailbox %s: destination already exists", new);
+ mm_log (tmp, ERROR);
+ return NIL;
+ }
+
+ if(!courier){
+ if (rename(realold, realnew)){ /* try to rename the directory */
+ snprintf(tmp, sizeof(tmp), "Can't rename mailbox %s to %s: %s", old, new,
+ strerror(errno));
+ mm_log(tmp,ERROR);
+ return NIL;
+ }
+ return LONGT; /* return success */
+ }
+
+ cdir = courier_list_dir(old);
+ for (i = 0; cdir && i < cdir->total; i++){
+ if(strstr(cdir->data[i]->name, old)){
+ snprintf(tmp, sizeof(tmp), "%s%s", new, cdir->data[i]->name+strlen(old));
+ maildir_file_path(cdir->data[i]->name, realold, sizeof(realold));
+ maildir_file_path(tmp, realnew, sizeof(realnew));
+ if (rename(realold, realnew)){
+ snprintf (tmp, sizeof(tmp), "Can't rename mailbox %s to %s: %s", old, new,
+ strerror(errno));
+ mm_log(tmp,ERROR);
+ rv = NIL;
+ }
+ }
+ }
+ courier_free_cdir(&cdir);
+ return rv;
+}
+
+long maildir_sub(MAILSTREAM *stream,char *mailbox)
+{
+ return sm_subscribe(mailbox);
+}
+
+long maildir_unsub(MAILSTREAM *stream,char *mailbox)
+{
+ return sm_unsubscribe(mailbox);
+}
+
+void maildir_lsub (MAILSTREAM *stream,char *ref,char *pat)
+{
+ void *sdb = NIL;
+ char *s, test[MAILTMPLEN];
+ /* get canonical form of name */
+ if (maildir_canonicalize (test, ref, pat) && (s = sm_read (&sdb))) {
+ do if (pmatch_full (s, test, '/')) mm_lsub (stream, '/', s, NIL);
+ while ((s = sm_read (&sdb)) != NULL); /* until no more subscriptions */
+ }
+}
+
+long maildir_canonicalize (char *pattern,char *ref,char *pat)
+{
+ if (ref && *ref) { /* have a reference */
+ strcpy (pattern,ref); /* copy reference to pattern */
+ /* # overrides mailbox field in reference */
+ if (*pat == '#') strcpy (pattern,pat);
+ /* pattern starts, reference ends, with / */
+ else if ((*pat == '/') && (pattern[strlen (pattern) - 1] == '/'))
+ strcat (pattern,pat + 1); /* append, omitting one of the period */
+
+ else strcat (pattern,pat); /* anything else is just appended */
+ }
+ else strcpy (pattern,pat); /* just have basic name */
+ return maildir_valid_name(pattern) ? LONGT : NIL;
+}
+
+void maildir_list_work (MAILSTREAM *stream,char *dir,char *pat,long level)
+{
+ DIR *dp;
+ struct direct *d;
+ struct stat sbuf;
+ char curdir[MAILTMPLEN],name[MAILTMPLEN], tmp[MAILTMPLEN];
+ char realpat[MAILTMPLEN];
+ long i;
+ char *maildirpath = mdirpath();
+
+ snprintf(curdir, sizeof(curdir), "%s/%s/", myrootdir(pat), dir ? dir : maildirpath);
+ if ((dp = opendir (curdir)) != NULL){
+ if (dir) snprintf (name, sizeof(name), "%s%s/",MDPREFIX(CCLIENT),dir);
+ else strcpy (name, pat);
+
+ if (level == 0 && !strpbrk(pat,"%*")){
+ if(maildir_valid(pat)){
+ i = maildir_contains_folder(pat, NULL)
+ ? LATT_HASCHILDREN
+ : (maildir_is_dir(pat, NULL)
+ ? LATT_HASNOCHILDREN : LATT_NOINFERIORS);
+ maildir_file_path(pat, realpat, sizeof(realpat));
+ i += maildir_any_new_msgs(realpat)
+ ? LATT_MARKED : LATT_UNMARKED;
+ mm_list (stream,'/', pat, i);
+ }
+ else
+ if(pat[strlen(pat) - 1] == '/')
+ mm_list (stream,'/', pat, LATT_NOSELECT);
+ }
+
+ while ((d = readdir (dp)) != NULL)
+ if(strcmp(d->d_name, ".") && strcmp(d->d_name,"..")
+ && strcmp(d->d_name, MDNAME(Cur))
+ && strcmp(d->d_name, MDNAME(Tmp))
+ && strcmp(d->d_name, MDNAME(New))){
+
+ if (dir) snprintf (tmp, sizeof(tmp), "%s%s", name,d->d_name);
+ else strcpy(tmp, d->d_name);
+
+ if(pmatch_full (tmp, pat,'/')){
+ snprintf(tmp, sizeof(tmp), "%s/%s/%s", myrootdir(d->d_name),
+ (dir ? dir : maildirpath), d->d_name);
+ if(stat (tmp,&sbuf) == 0
+ && ((sbuf.st_mode & S_IFMT) == S_IFDIR)){
+ if (dir) snprintf (tmp, sizeof(tmp), "%s%s", name,d->d_name);
+ else strcpy(tmp, d->d_name);
+ i = maildir_valid(tmp)
+ ? (maildir_contains_folder(dir, d->d_name)
+ ? LATT_HASCHILDREN
+ : (maildir_is_dir(dir, d->d_name)
+ ? LATT_HASNOCHILDREN : LATT_NOINFERIORS))
+ : LATT_NOSELECT;
+ i += maildir_any_new_msgs(tmp)
+ ? LATT_MARKED : LATT_UNMARKED;
+ mm_list (stream,'/',tmp, i);
+ strcat (tmp, "/");
+ if(dmatch (tmp, pat,'/') &&
+ (level < (long) mail_parameters (NIL,GET_LISTMAXLEVEL,NIL))){
+ snprintf(tmp, sizeof(tmp), "%s/%s",dir,d->d_name);
+ maildir_list_work (stream,tmp,pat,level+1);
+ }
+ }
+ }
+ }
+ closedir (dp);
+ }
+}
+
+void courier_list_work (MAILSTREAM *stream, char *dir, char *pat, long level)
+{
+ char c, curdir[MAILTMPLEN], tmp[MAILTMPLEN];
+ char realname[MAILTMPLEN], realpat[MAILTMPLEN] = {'\0'};
+ int i, found;
+ long style = (long) maildir_parameters(GET_COURIERSTYLE, NIL), j;
+ char *maildirpath = mdirpath();
+ COURIER_S *cdir;
+
+ if(!strpbrk(pat,"%*")){ /* a mailbox */
+ maildir_file_path(pat, curdir, sizeof(curdir));
+ i = strlen(curdir) - 1;
+ if(curdir[i] == '/')
+ curdir[i] = '\0';
+ cdir = courier_list_dir(curdir);
+ if(cdir){
+ found = 0; j = 0L;
+ if(maildir_valid_name(pat)){
+ for(i = 0; !found && i < cdir->total; i++)
+ if(strstr(curdir, cdir->data[i]->name)){
+ if(strlen(curdir) < strlen(cdir->data[i]->name))
+ found += 2;
+ else if(strlen(curdir) == strlen(cdir->data[i]->name))
+ found -= 1;
+ }
+ if(found > 0)
+ j = LATT_HASCHILDREN;
+ else if(found == 0)
+ j = (style == COURIER) ? LATT_HASNOCHILDREN : LATT_NOINFERIORS;
+ }
+ else
+ j = LATT_NOSELECT;
+ j += maildir_any_new_msgs(curdir) ? LATT_MARKED : LATT_UNMARKED;
+ if (found)
+ mm_list (stream, '.', pat, j);
+ courier_free_cdir(&cdir);
+ }
+ return;
+ }
+
+ strcpy(tmp,pat + 4); /* a directory */
+ j = strlen(pat) - 1;
+ maildir_file_path(pat, realpat, sizeof(realpat));
+ c = pat[j];
+ pat[j] = '\0';
+ realname[0] = '\0';
+ if(dir)
+ maildir_file_path(dir, realname, sizeof(realname));
+ snprintf(curdir, sizeof(curdir), "%s%s%s/%s", (dir ? "" : myrootdir(pat)), (dir ? "" : "/"),
+ (dir ? realname : maildirpath), (dir ? "" : "."));
+ snprintf(tmp, sizeof(tmp), "%s%s/.", MDPREFIX(COURIER), dir ? dir : maildirpath);
+ if (level == 0 && tmp && pmatch_full (tmp, realpat, '.'))
+ mm_list (stream,'.', tmp, LATT_NOSELECT);
+
+ cdir = courier_list_dir(pat);
+ pat[j] = c;
+ for (i = 0; cdir && i < cdir->total; i++)
+ if(pmatch_full (cdir->data[i]->name, pat, '.')){
+ snprintf(tmp, sizeof(tmp), "%s.", cdir->data[i]->name);
+ courier_list_info(&cdir, tmp, i);
+ mm_list (stream,'.',cdir->data[i]->name, cdir->data[i]->attribute);
+ }
+ courier_free_cdir(&cdir);
+}
+
+int
+same_maildir_file(char *name1, char *name2)
+{
+ char tmp1[MAILTMPLEN], tmp2[MAILTMPLEN];
+ char *s;
+
+ strcpy(tmp1, name1 ? name1 : "");
+ strcpy(tmp2, name2 ? name2 : "");
+ if ((s = strrchr(tmp1, FLAGSEP)) != NULL)
+ *s = '\0';
+ if (((s = strrchr(tmp1, SIZESEP)) != NULL) && (strchr(s,'.') == NULL))
+ *s = '\0';
+ if ((s = strrchr(tmp2, FLAGSEP)) != NULL)
+ *s = '\0';
+ if (((s = strrchr(tmp2, SIZESEP)) != NULL) && (strchr(s,'.') == NULL))
+ *s = '\0';
+
+ return !strcmp(tmp1, tmp2);
+}
+
+unsigned long antoul(char *seed)
+{
+ int i, error = 0;
+ unsigned long val = 0L, rv1 = 0L, t;
+ char c, *p;
+ if(!seed)
+ return 0L;
+ t = strtoul(seed, &p, 10);
+ if(p && (*p == '.' || *p == '_'))
+ return t;
+ /* else */
+ if((p = strchr(seed,'.')) != NULL)
+ *p = '\0';
+ error = (strlen(seed) > 6); /* too long */
+ for(i= strlen(seed)-1; error == 0 && i >= 0; i--){
+ c = seed[i];
+ if (c >= 'A' && c <= 'Z') val = c - 'A';
+ else if (c >= 'a' && c <= 'z') val = c - 'a' + 26;
+ else if (c >= '0' && c <= '9') val = c - '0' + 26 + 26;
+ else if (c == '-') val = c - '-' + 26 + 26 + 10;
+ else if (c == '_') val = c - '_' + 26 + 26 + 10 + 1;
+ else error++;
+ rv1 = val + (rv1 << 6);
+ }
+ if(p)
+ *p = '.';
+ return error ? 0L : rv1;
+}
+
+unsigned long mdfntoul (char *name)
+{
+ unsigned long t;
+ char *r, last;
+
+ if((*name == '_') && ((r = strpbrk(name,".,%+")) != NULL)){ /* Grrr!!! */
+ last = *r;
+ *r = '\0';
+ t = antoul(r+1);
+ *r = last;
+ }
+ else
+ t = antoul(name);
+ return t;
+}
+
+int comp_maildir_file(char *name1, char *name2)
+{
+ int uset1 = 1, uset2 = 1, i, j, cmp;
+ unsigned long t1, t2;
+ char *s1, *s2;
+
+ if (!(name1 && *name1))
+ return (name2 && *name2) ? (*name2 == FLAGSEP ? 0 : -1) : 0;
+
+ if (!(name2 && *name2))
+ return (name1 && *name1) ? (*name1 == FLAGSEP ? 0 : 1) : 0;
+
+ if((cmp = strcmp(name1,name2)) == 0)
+ return 0;
+
+ t1 = strtoul(name1, &s1, 10);
+ t2 = strtoul(name2, &s2, 10);
+
+ if(!s1 || *s1 != '.')
+ uset1 = 0;
+
+ if(!s2 || *s2 != '.')
+ uset2 = 0;
+
+ if(uset1 && uset2) /* normal sort order */
+ return (t1 < t2) ? -1 : (t1 > t2 ? 1 : (cmp < 0 ? -1 : 1));
+
+ /* If we make it here we say Grrrr.... first, then we try to figure out
+ * how to sort this mess.
+ * These are the rules.
+ * If there is a number at the beginning it is bigger than anything else.
+ * If there are digits, then the number of digits decides which one is bigger.
+ */
+
+ for(i = 0; isdigit(name1[i]); i++);
+ for(j = 0; isdigit(name2[j]); j++);
+
+ return(uset1 ? 1
+ : (uset2 ? -1
+ : (i < j ? -1 : (i > j ? 1 : (cmp < 0 ? -1 : 1)))));
+}
+
+void
+maildir_getflag(char *name, int *d, int *f, int *r ,int *s, int *t)
+{
+ char tmp[MAILTMPLEN], *b;
+ int offset = 0;
+ int tmpd, tmpf, tmpr, tmps, tmpt;
+
+ if(d) *d = 0;
+ if(f) *f = 0;
+ if(r) *r = 0;
+ if(s) *s = 0;
+ if(t) *t = 0;
+
+ tmpd = tmpf = tmpr = tmps = tmpt = NIL; /* no flags set by default */
+ strcpy(tmp,name);
+ while ((b = strrchr(tmp+offset, FLAGSEP)) != NULL){
+ char flag,last;
+ int k;
+ if (!++b) break;
+ switch (*b){
+ case '1':
+ case '2':
+ case '3': flag = *b; b += 2;
+ for (k = 0; b[k] && b[k] != FLAGSEP && b[k] != ','; k++);
+ last = b[k];
+ b[k] = '\0';
+ if (flag == '2' || flag == '3'){
+ tmpd = strchr (b, MDFLAGC(Draft)) ? T : NIL;
+ tmpf = strchr (b, MDFLAGC(Flagged)) ? T : NIL;
+ tmpr = strchr (b, MDFLAGC(Replied)) ? T : NIL;
+ tmps = strchr (b, MDFLAGC(Seen)) ? T : NIL;
+ tmpt = strchr (b, MDFLAGC(Trashed)) ? T : NIL;
+ }
+ b[k] = last;
+ b += k;
+ for (; tmp[offset] && tmp[offset] != FLAGSEP; offset++);
+ offset++;
+ break;
+ default: break; /* Should we crash?... Nahhh */
+ }
+ }
+ if(d) *d = tmpd;
+ if(f) *f = tmpf;
+ if(r) *r = tmpr;
+ if(s) *s = tmps;
+ if(t) *t = tmpt;
+}
+
+int
+maildir_message_in_list(char *msgname, struct direct **names,
+ unsigned long bottom, unsigned long top, unsigned long *pos)
+{
+ unsigned long middle = (bottom + top)/2;
+ int test;
+
+ if (!msgname)
+ return NIL;
+
+ if (pos) *pos = middle;
+
+ if (same_maildir_file(msgname, names[middle]->d_name))
+ return T;
+
+ if (middle == bottom){ /* 0 <= 0 < 1 */
+ int rv = NIL;
+ if (same_maildir_file(msgname, names[middle]->d_name)){
+ rv = T;
+ if (pos) *pos = middle;
+ }
+ else
+ if (same_maildir_file(msgname, names[top]->d_name)){
+ rv = T;
+ if (pos) *pos = top;
+ }
+ return rv;
+ }
+
+ test = comp_maildir_file(msgname, names[middle]->d_name);
+
+ if (top <= bottom)
+ return test ? NIL : T;
+
+ if (test < 0 ) /* bottom < msgname < middle */
+ return maildir_message_in_list(msgname, names, bottom, middle, pos);
+ else if (test > 0) /* middle < msgname < top */
+ return maildir_message_in_list(msgname, names, middle, top, pos);
+ else return T;
+}
+
+void
+maildir_abort(MAILSTREAM *stream)
+{
+ if (LOCAL){
+ DirNamesType i;
+
+ if(LOCAL->candouid)
+ maildir_read_uid(stream, NULL, &stream->uid_validity);
+ if (LOCAL->dir) fs_give ((void **) &LOCAL->dir);
+ for (i = Cur; i < EndDir; i++)
+ if(LOCAL->path[i]) fs_give ((void **) &LOCAL->path[i]);
+ fs_give ((void **) &LOCAL->path);
+ if (LOCAL->buf) fs_give ((void **) &LOCAL->buf);
+ if(LOCAL->uidtempfile){
+ unlink(LOCAL->uidtempfile);
+ fs_give ((void **) &LOCAL->uidtempfile);
+ }
+ fs_give ((void **) &stream->local);
+ }
+ if (mdfpath) fs_give((void **)&mdfpath);
+ stream->dtb = NIL;
+}
+
+int
+maildir_contains_folder(char *dirname, char *name)
+{
+ char tmp[MAILTMPLEN], tmp2[MAILTMPLEN];
+ int rv = 0;
+ DIR *dir;
+ struct direct *d;
+
+ maildir_file_path(dirname, tmp2, sizeof(tmp2));
+ if(name){
+ strcat(tmp2,"/");
+ strcat(tmp2, name);
+ }
+
+ if (!(dir = opendir (tmp2)))
+ return NIL;
+
+ while ((d = readdir(dir)) != NULL){
+ if (strcmp(d->d_name, ".") && strcmp(d->d_name,"..")
+ && strcmp(d->d_name, MDNAME(Cur))
+ && strcmp(d->d_name, MDNAME(Tmp))
+ && strcmp(d->d_name, MDNAME(New))){
+
+ snprintf(tmp, sizeof(tmp), "%s/%s", tmp2, d->d_name);
+ if(maildir_valid(tmp)){
+ rv++;
+ break;
+ }
+ }
+ }
+ closedir(dir);
+ return rv;
+}
+
+int
+maildir_is_dir(char *dirname, char *name)
+{
+ char tmp[MAILTMPLEN];
+ struct stat sbuf;
+
+ maildir_file_path(dirname, tmp, sizeof(tmp));
+ if(name){
+ strcat(tmp, "/");
+ strcat(tmp, name);
+ }
+ strcat(tmp, "/");
+ strcat(tmp, MDDIR);
+
+ return ((stat(tmp, &sbuf) == 0) && S_ISREG (sbuf.st_mode)) ? 1 : 0;
+}
+
+int
+maildir_dir_is_empty(char *mailbox)
+{
+ char tmp[MAILTMPLEN], tmp2[MAILTMPLEN], tmp3[MAILTMPLEN],*s;
+ int rv = 1, courier = IS_COURIER(mailbox);
+ DIR *dir;
+ struct direct *d;
+ struct stat sbuf;
+
+ maildir_file_path(mailbox, tmp2, sizeof(tmp2));
+
+ if(courier){
+ strcpy(tmp3, tmp2);
+ if(s = strrchr(tmp2, '/'))
+ *s = '\0';
+ }
+
+ if (!(dir = opendir (tmp2)))
+ return rv;
+
+ if(courier){
+ while((d = readdir(dir)) != NULL){
+ snprintf(tmp, sizeof(tmp), "%s/%s", tmp2, d->d_name);
+ if(!strncmp(tmp, tmp3, strlen(tmp3))
+ && tmp[strlen(tmp3)] == '.'){
+ rv = 0;
+ break;
+ }
+ }
+ }
+ else
+ while ((d = readdir(dir)) != NULL){
+ snprintf(tmp, sizeof(tmp), "%s/%s", tmp2, d->d_name);
+ if (strcmp(d->d_name, ".")
+ && strcmp(d->d_name,"..")
+ && strcmp(d->d_name, MDNAME(Cur))
+ && strcmp(d->d_name, MDNAME(Tmp))
+ && strcmp(d->d_name, MDNAME(New))
+ && strcmp(d->d_name, MDDIR)
+ && strcmp(d->d_name, MDUIDVALIDITY)
+ && !(d->d_name[0] == '.'
+ && stat (tmp,&sbuf) == 0
+ && S_ISREG(sbuf.st_mode))){
+ rv = 0;
+ break;
+ }
+ }
+ closedir(dir);
+ return rv;
+}
+
+void
+maildir_get_file (MAILDIRFILE **mdfile)
+{
+ MAILDIRFILE *md;
+
+ md = (MAILDIRFILE *) fs_get(sizeof(MAILDIRFILE));
+ memset(md, 0, sizeof(MAILDIRFILE));
+ *mdfile = md;
+}
+
+void
+maildir_free_file (void **mdfile)
+{
+ MAILDIRFILE *md = (mdfile && *mdfile) ? (MAILDIRFILE *) *mdfile : NULL;
+
+ if (md){
+ if (md->name) fs_give((void **)&md->name);
+ fs_give((void **)&md);
+ }
+}
+
+void
+maildir_free_file_only (void **mdfile)
+{
+ MAILDIRFILE *md = (mdfile && *mdfile) ? (MAILDIRFILE *) *mdfile : NULL;
+
+ if (md && md->name)
+ fs_give((void **)&md->name);
+}
+
+int
+maildir_any_new_msgs(char *mailbox)
+{
+ char tmp[MAILTMPLEN];
+ int rv = NIL;
+ DIR *dir;
+ struct direct *d;
+
+ MDFLD(tmp, mailbox, New);
+
+ if (!(dir = opendir (tmp)))
+ return rv;
+
+ while ((d = readdir(dir)) != NULL){
+ if (d->d_name[0] == '.')
+ continue;
+ rv = T;
+ break;
+ }
+ closedir(dir);
+ return rv;
+}
+
+
+void
+maildir_get_date(MAILSTREAM *stream, unsigned long msgno)
+{
+ MESSAGECACHE *elt;
+ struct tm *t;
+ time_t ti;
+ int i,k;
+
+ elt = mail_elt (stream,msgno);
+ if(elt && elt->year != 0)
+ return;
+ if ((ti = mdfntoul(MDFILE(elt))) > 0L && (t = gmtime(&ti))){
+ i = t->tm_hour * 60 + t->tm_min;
+ k = t->tm_yday;
+ t = localtime(&ti);
+ i = t->tm_hour * 60 + t->tm_min - i;
+ if((k = t->tm_yday - k) != 0)
+ i += ((k < 0) == (abs (k) == 1)) ? -24*60 : 24*60;
+ k = abs (i);
+ elt->hours = t->tm_hour;
+ elt->minutes = t->tm_min;
+ elt->seconds = t->tm_sec;
+ elt->day = t->tm_mday; elt->month = t->tm_mon + 1;
+ elt->year = t->tm_year - (BASEYEAR - 1900);
+ elt->zoccident = (k == i) ? 0 : 1;
+ elt->zhours = k/60;
+ elt->zminutes = k % 60;
+ }
+}
+
+/* Support for Courier Style directories
+ When this code is complete there will be two types of support, which
+ will be configurable. The problem is the following: In Courier style
+ folder structure, a "folder" may have a subfolder called
+ "folder.subfolder", which is not natural in the file system in the
+ sense that I can not stat for "folder.subfolder" wihtout knowing what
+ "subfolder" is. It needs to be guessed. Because of this I need to look
+ in the list of folders if there is a folder with a name
+ "folder.subfolder", before I can say if the folder is dual or not. One
+ can avoid this annoyance if one ignores the problem by declaring that
+ every folder is dual. I will however code as the default the more
+ complicated idea of scaning the containing directory each time it is
+ modified and search for subfolders, and list the entries it found.
+ */
+
+int courier_dir_select (const struct direct *name)
+{
+ return name->d_name[0] == '.' && (strlen(name->d_name) > 2
+ || (strlen(name->d_name) == 2 && name->d_name[1] != '.'));
+}
+
+int courier_dir_sort (const struct direct **d1, const struct direct **d2)
+{
+ const struct direct *e1 = *(const struct direct **) d1;
+ const struct direct *e2 = *(const struct direct **) d2;
+
+ return strcmp((char *) e1->d_name, (char *) e2->d_name);
+}
+
+void courier_free_cdir (COURIER_S **cdir)
+{
+ int i;
+
+ if (!*cdir)
+ return;
+
+ if ((*cdir)->path) fs_give((void **)&((*cdir)->path));
+ for (i = 0; i < (*cdir)->total; i++)
+ if((*cdir)->data[i]->name) fs_give((void **)&((*cdir)->data[i]->name));
+ fs_give((void **)&((*cdir)->data));
+ fs_give((void **)&(*cdir));
+}
+
+COURIER_S *courier_get_cdir (int total)
+{
+ COURIER_S *cdir;
+
+ cdir = (COURIER_S *)fs_get(sizeof(COURIER_S));
+ memset(cdir, 0, sizeof(COURIER_S));
+ cdir->data = (COURIERLOCAL **) fs_get(total*sizeof(COURIERLOCAL *));
+ memset(cdir->data, 0, sizeof(COURIERLOCAL *));
+ cdir->total = total;
+ return cdir;
+}
+
+int courier_search_list(COURIERLOCAL **data, char *name, int first, int last)
+{
+ int try = (first + last)/2;
+
+ if(!strstr(data[try]->name, name)){
+ if(first == try) /* first == last || first + 1 == last */
+ return strstr(data[last]->name, name) ? 1 : 0;
+ if(strcmp(data[try]->name, name) < 0) /*data[try] < name < data[end] */
+ return courier_search_list(data, name, try, last);
+ else /* data[begin] < name < data[try] */
+ return courier_search_list(data, name, first, try);
+ }
+ return 1;
+}
+
+/* Lists all directories that are subdirectories of a given directory */
+
+COURIER_S *courier_list_dir(char *curdir)
+{
+ struct direct **names = NIL;
+ struct stat sbuf;
+ unsigned long ndir;
+ COURIER_S *cdir = NULL;
+ char tmp[MAILTMPLEN], tmp2[MAILTMPLEN], pathname[MAILTMPLEN],
+ realname[MAILTMPLEN];
+ int i, j, scand, td;
+
+ /* There are two cases, either curdir is
+ #mc/INBOX. #mc/INBOX.foo
+ or
+ #mc/Maildir/. #mc/Maildir/.foo
+ */
+ strcpy(tmp,curdir + 4);
+ if(!strncmp(ucase(tmp), "INBOX", 5))
+ strcpy(tmp, "#mc/INBOX.");
+ else{
+ strcpy(tmp, curdir);
+ for (i = strlen(tmp) - 1; tmp[i] && tmp[i] != '/'; i--);
+ tmp[i+2] = '\0'; /* keep the last "." intact */
+ }
+ maildir_file_path(tmp, realname, sizeof(realname));
+ maildir_scandir (realname, &names, &ndir, &scand, COURIER);
+
+ if (scand > 0){
+ cdir = courier_get_cdir(ndir);
+ cdir->path = cpystr(realname);
+ for(i = 0, j = 0; i < ndir; i++){
+ td = realname[strlen(realname) - 1] == '.'
+ && *names[i]->d_name == '.';
+ snprintf(tmp2, sizeof(tmp2), "%s%s", tmp, names[i]->d_name+1);
+ snprintf(pathname, sizeof(pathname), "%s%s", realname, names[i]->d_name + td);
+ if(stat(pathname, &sbuf) == 0 && S_ISDIR(sbuf.st_mode)){
+ cdir->data[j] = (COURIERLOCAL *) fs_get(sizeof(COURIERLOCAL));
+ cdir->data[j++]->name = cpystr(tmp2);
+ }
+ fs_give((void **)&names[i]);
+ }
+ cdir->total = j;
+ if(cdir->total == 0)
+ courier_free_cdir(&cdir);
+ }
+ if(names)
+ fs_give((void **) &names);
+ return cdir;
+}
+
+void
+courier_list_info(COURIER_S **cdirp, char *data, int i)
+{
+ long style = (long) maildir_parameters(GET_COURIERSTYLE, NIL);
+ COURIER_S *cdir = *cdirp;
+
+ if(maildir_valid(cdir->data[i]->name)){
+ if(courier_search_list(cdir->data, data, 0, cdir->total - 1))
+ cdir->data[i]->attribute = LATT_HASCHILDREN;
+ else
+ cdir->data[i]->attribute = (style == COURIER)
+ ? LATT_HASNOCHILDREN : LATT_NOINFERIORS;
+ }
+ else
+ cdir->data[i]->attribute = LATT_NOSELECT;
+ cdir->data[i]->attribute += maildir_any_new_msgs(cdir->data[i]->name)
+ ? LATT_MARKED : LATT_UNMARKED;
+}
+
+/* UID Support */
+/* Yes, I know I procastinated a lot about this, but here it is finally */
+
+/* return code:
+ bigger than zero: this session can assign uids
+ zero: this session will not assign uid
+ smaller than zero: this session temporarily suspends assigning uids
+ */
+int
+maildir_can_assign_uid (MAILSTREAM *stream)
+{
+ unsigned int rv = 0;
+ int ownuid, existuid;
+ unsigned long t;
+ char tmp[MAILTMPLEN], tmp2[MAILTMPLEN], *p, *s;
+ DIR *dir;
+ struct direct *d;
+
+ if(!stream || stream->rdonly
+ || !LOCAL || !LOCAL->dir || !(dir = opendir(LOCAL->dir)))
+ return 0;
+
+ if(mypid == (pid_t) 0)
+ mypid = getpid();
+
+ snprintf(tmp, sizeof(tmp), "%s.%d", MDUIDTEMP, mypid);
+
+ ownuid = existuid = 0;
+ s = NULL;
+ while ((d = readdir(dir)) != NULL){
+ if(strncmp(d->d_name, tmp, strlen(tmp)) == 0){
+ existuid++; ownuid++;
+ if(ownuid > 1){
+ snprintf(tmp2, sizeof(tmp), "%s/%s", LOCAL->dir, d->d_name);
+ unlink(tmp2);
+ if(s){
+ snprintf(tmp2, sizeof(tmp2), "%s/%s", LOCAL->dir, s);
+ unlink(tmp2);
+ fs_give((void **)&s);
+ }
+ }
+ else
+ s = cpystr(d->d_name);
+ }
+ else if(strncmp(d->d_name, MDUIDTEMP, strlen(MDUIDTEMP)) == 0)
+ existuid++;
+ }
+
+ closedir(dir);
+ if(s)
+ fs_give((void **)&s);
+
+ if(ownuid == 1 && existuid == 1)
+ rv = 1;
+
+ if(ownuid == 0 && existuid == 0){ /* nobody owns the uid? */
+ FILE *fp;
+ snprintf(tmp, sizeof(tmp), "%s/%s.%d.%lu", LOCAL->dir, MDUIDTEMP, mypid, time(0));
+ if(fp = fopen(tmp, "w")){
+ fclose(fp);
+ if(LOCAL->uidtempfile)
+ fs_give((void **)&LOCAL->uidtempfile);
+ LOCAL->uidtempfile = cpystr(tmp);
+ }
+ rv = 1;
+ }
+
+ if(ownuid == 0 && existuid > 0) /* someone else owns uid assignment */
+ return 0;
+
+ /* if we own the uid, check that we do not own it more than once
+ * or that we share ownership. If any of these situations happens,
+ * give up the ownership until we can recover it
+ */
+
+ if(ownuid > 0){
+ if(ownuid > 1) /* impossible, two lock files for the same session */
+ return (-1)*ownuid;
+
+ if(ownuid != existuid){ /* lock files for different sessions */
+ if(LOCAL->uidtempfile){
+ unlink(LOCAL->uidtempfile);
+ fs_give((void **)&LOCAL->uidtempfile);
+ }
+ return (-1)*ownuid;
+ }
+ }
+
+ return rv;
+}
+
+void
+maildir_read_uid(MAILSTREAM *stream, unsigned long *uid_last,
+ unsigned long *uid_validity)
+{
+ int createuid, deleteuid = 0;
+ char tmp[MAILTMPLEN], *s = NULL;
+ DIR *dir;
+ struct direct *d;
+
+ if(uid_last) *uid_last = 0L;
+ if(uid_last && uid_validity) *uid_validity = time(0);
+ if(!stream || !LOCAL || !LOCAL->dir || !(dir = opendir(LOCAL->dir)))
+ return;
+
+ while ((d = readdir(dir)) != NULL){
+ if(!strncmp(d->d_name, MDUIDLAST, strlen(MDUIDLAST)))
+ break;
+ }
+ createuid = d == NULL ? 1 : 0;
+ if(uid_last == NULL)
+ deleteuid++;
+ if(d){
+ if(uid_last){
+ s = d->d_name + strlen(MDUIDLAST) + 1;
+ *uid_last = strtoul(s, &s, 10);
+ if(!s || *s != '.'){
+ deleteuid++;
+ createuid++;
+ *uid_last = 0L;
+ }
+ }
+ if(s && *s == '.'){
+ if(uid_validity){
+ s++;
+ *uid_validity = strtoul(s, &s, 10);
+ if(s && *s != '\0'){
+ *uid_validity = time(0);
+ deleteuid++;
+ createuid++;
+ }
+ }
+ }
+ else{
+ deleteuid++;
+ createuid++;
+ }
+ }
+ if(deleteuid){
+ snprintf(tmp, sizeof(tmp), "%s/%s", LOCAL->dir, d->d_name);
+ unlink(tmp);
+ }
+ if(createuid)
+ maildir_write_uid(stream, (uid_last ? *uid_last : stream->uid_last),
+ uid_validity ? *uid_validity : time(0));
+ closedir(dir);
+}
+
+void
+maildir_write_uid(MAILSTREAM *stream, unsigned long uid_last,
+ unsigned long uid_validity)
+{
+ char tmp[MAILTMPLEN];
+ FILE *fp;
+
+ if(!stream || stream->rdonly || !LOCAL || !LOCAL->dir)
+ return;
+
+ snprintf(tmp, sizeof(tmp), "%s/%s.%010lu.%010lu", LOCAL->dir, MDUIDLAST,
+ uid_last, uid_validity);
+ if(fp = fopen(tmp, "w"))
+ fclose(fp);
+}
+
+unsigned long
+maildir_get_uid(char *name)
+{
+ char *s;
+ unsigned long rv = 0L;
+
+ if(!name || (s = strstr(name,MDUIDSEP)) == NULL)
+ return rv;
+
+ s += strlen(MDUIDSEP);
+ rv = strtoul(s, NULL, 10);
+ return rv;
+}
+
+
+void
+maildir_delete_uid(MAILSTREAM *stream, unsigned long msgno)
+{
+ char old[MAILTMPLEN], new[MAILTMPLEN], *s, *t;
+ MESSAGECACHE *elt;
+
+ elt = mail_elt(stream, msgno);
+ if(!stream || !elt || !elt->private.spare.ptr || !LOCAL || !LOCAL->dir)
+ return;
+
+ snprintf(old, sizeof(old), "%s/%s/%s", LOCAL->dir, MDNAME(Cur), MDFILE(elt));
+ t = MDFILE(elt);
+ if(s = strstr(MDFILE(elt), MDUIDSEP)){
+ *s = '\0';
+ s += strlen(MDUIDSEP);
+ strtoul(s, &s, 10);
+ snprintf(new, sizeof(new), "%s/%s/%s%s", LOCAL->dir, MDNAME(Cur), t, s);
+ if(rename(old, new) == 0){
+ maildir_free_file_only ((void **)&elt->private.spare.ptr);
+ s = strrchr(new, '/');
+ MDFILE(elt) = cpystr(s+1);
+ }
+ elt->private.uid = 0L;
+ }
+}
+
+void
+maildir_assign_uid(MAILSTREAM *stream, unsigned long msgno, unsigned long uid)
+{
+ int createuid, deleteuid = 0;
+ char old[MAILTMPLEN], new[MAILTMPLEN], *s, *t;
+ MESSAGECACHE *elt;
+
+ elt = mail_elt(stream, msgno);
+ if(!stream || !elt || !elt->private.spare.ptr || !LOCAL || !LOCAL->dir)
+ return;
+
+ maildir_delete_uid(stream, msgno);
+ snprintf(old, sizeof(old), "%s/%s/%s", LOCAL->dir, MDNAME(Cur), MDFILE(elt));
+ t = MDFILE(elt);
+ if((s = strrchr(MDFILE(elt),FLAGSEP)) != NULL){
+ *s++ = '\0';
+ snprintf(new, sizeof(new), "%s/%s/%s%s%lu%c%s",
+ LOCAL->dir, MDNAME(Cur), t, MDUIDSEP, uid, FLAGSEP, s);
+ if(rename(old, new) == 0){
+ maildir_free_file_only ((void **)&elt->private.spare.ptr);
+ s = strrchr(new, '/');
+ MDFILE(elt) = cpystr(s+1);
+ stream->uid_validity = time(0);
+ }
+ elt->private.uid = uid;
+ }
+}
+
+void
+maildir_uid_renew_tempfile(MAILSTREAM *stream)
+{
+ char tmp[MAILTMPLEN];
+
+ if(!stream || stream->rdonly
+ || !LOCAL || !LOCAL->candouid || !LOCAL->dir || !LOCAL->uidtempfile)
+ return;
+
+ if(mypid == (pid_t) 0)
+ mypid = getpid();
+
+ snprintf(tmp, sizeof(tmp), "%s/%s.%d.%lu", LOCAL->dir, MDUIDTEMP, mypid, time(0));
+ if(rename(LOCAL->uidtempfile, tmp) == 0){
+ fs_give((void **)&LOCAL->uidtempfile);
+ LOCAL->uidtempfile = cpystr(tmp);
+ }
+}
diff --git a/imap/src/osdep/unix/maildir.h b/imap/src/osdep/unix/maildir.h
new file mode 100644
index 00000000..c1eef9e4
--- /dev/null
+++ b/imap/src/osdep/unix/maildir.h
@@ -0,0 +1,226 @@
+/*
+ * A few definitions that try to make this module portable to other
+ * platforms (e.g. Cygwin). This module is based on the information from
+ * http://cr.yp.to/proto/maildir.html
+ */
+
+/* First we deal with the separator character */
+#ifndef FLAGSEP
+#define FLAGSEP ':'
+#endif
+#define SIZESEP ','
+
+const char sep1[] = {FLAGSEP, '1', ',', '\0'}; /* experimental semantics*/
+const char sep2[] = {FLAGSEP, '2', ',', '\0'}; /* Flags Information */
+const char sep3[] = {FLAGSEP, '3', ',', '\0'}; /* Grrrr.... */
+
+const char *sep[] = { sep1, sep2, sep3, NULL};
+
+#define MDSEP(i) sep[((i) - 1)]
+
+/* Now we deal with flags. Woohoo! */
+typedef enum {Draft, Flagged, Passed, Replied, Seen, Trashed,
+ EmptyFlag, EndFlags} MdFlagNamesType;
+const int mdimapflags[] = {Draft, Flagged, Replied, Seen, Trashed, EmptyFlag, EndFlags};
+const int mdkwdflags[] = {Passed, EmptyFlag, EndFlags};
+
+/* this array lists the codes for mdflgnms (maildir flag names) above */
+const char *mdflags[] = { "D", "F", "P", "R", "S", "T", "", NULL};
+/* and as characters too */
+const char cmdflags[] = { 'D', 'F', 'P', 'R', 'S', 'T', '0', '\0'};
+
+/* MDFLAG(Seen, elt->seen) */
+#define MDFLAG(i,j) mdflags[j ? (i) : EmptyFlag]
+/* MDFLAGC(Seen) */
+#define MDFLAGC(i) cmdflags[(i)]
+
+/* Now we deal with the directory structure */
+typedef enum {Cur, Tmp, New, EndDir} DirNamesType;
+char *mdstruct[] = {"cur", "tmp", "new", NULL};
+#define MDNAME(i) mdstruct[(i)]
+#define MDFLD(tmp, dir, i) sprintf((tmp),"%s/%s", (dir), mdstruct[(i)])
+#define MSGPATH(tmp, dir, msg,i) sprintf((tmp),"%s/%s/%s", (dir), mdstruct[(i)],(msg))
+
+/* Files associated to a maildir directory */
+
+#define MDUIDVALIDITY ".uidvalidity" /* support for old maildirs */
+#define MDDIR ".mdir" /* this folder is a directory */
+#define MDUIDLAST ".uidlast" /* last assigned uid */
+#define MDUIDTEMP ".uidtemp" /* We assign uid's no one else */
+
+
+
+/* Support of Courier Structure */
+#define CCLIENT 0
+#define COURIER 1
+#define IS_CCLIENT(t) \
+ (((t) && (t)[0] == '#' && ((t)[1] == 'm' || (t)[1] == 'M')\
+ && ((t)[2] == 'd' || (t)[2] == 'D')\
+ && (t)[3] == '/' && (t)[4] != '\0') ? 1 : 0)
+
+#define IS_COURIER(t) \
+ (((t) && (t)[0] == '#' && ((t)[1] == 'm' || (t)[1] == 'M')\
+ && ((t)[2] == 'c' || (t)[2] == 'C')\
+ && (t)[3] == '/' && (t)[4] != '\0') ? 1 : 0)
+#define MDPREFIX(s) ((s) ? "#mc/" : "#md/")
+#define MDSEPARATOR(s) ((s) ? '.' : '/')
+
+/* UID Support */
+
+#define MAXTEMPUID (unsigned long) 180L
+const char mduid[] = {',','u','=','\0'};
+#define MDUIDSEP mduid
+
+
+/* Now we deal with messages filenames */
+char mdlocaldomain[MAILTMPLEN+1] = {'\0'};
+pid_t mypid = (pid_t) 0;
+static char *mdfpath = NULL;
+static char myMdInboxDir[50] = { '\0' };/* Location of the Maildir INBOX */
+static long CourierStyle = CCLIENT;
+
+#define CHUNK 16384 /* from unix.h */
+
+typedef struct courier_local {
+ char *name; /* name of directory/folder */
+ int attribute; /* attributes (children/marked/etc) */
+} COURIERLOCAL;
+
+typedef struct courier {
+ char *path; /* Path to collection */
+ time_t scantime; /* time at which information was generated */
+ int total; /* total number of elements in data */
+ COURIERLOCAL **data;
+} COURIER_S;
+
+/* In gdb this is the *(struct maildir_local *)stream->local structure */
+typedef struct maildir_local {
+ unsigned int dirty : 1; /* diskcopy needs updating */
+ unsigned int courier : 1; /* It is Courier style file system */
+ unsigned int link : 1; /* There is a symbolic link */
+ int candouid; /* we can assign uids and no one else */
+ char *uidtempfile; /* path to uid temp file */
+ int fd; /* fd of open message */
+ char *dir; /* mail directory name */
+ char **path; /* path to directories cur, new and tmp */
+ unsigned char *buf; /* temporary buffer */
+ unsigned long buflen; /* current size of temporary buffer */
+ time_t scantime; /* last time directory scanned */
+} MAILDIRLOCAL;
+
+/* Convenient access to local data */
+#define LOCAL ((MAILDIRLOCAL *) stream->local)
+
+typedef struct maildir_file_info {
+ char *name; /* name of the file */
+ DirNamesType loc; /* location of this file */
+ unsigned long pos; /* place in list where this file is listed */
+ off_t size; /* size in bytes, on disk */
+ time_t atime; /* last access time */
+ time_t mtime; /* last modified time */
+ time_t ctime; /* last changed time */
+} MAILDIRFILE;
+
+#define MDFILE(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->name)
+#define MDLOC(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->loc)
+#define MDPOS(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->pos)
+#define MDSIZE(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->size)
+#define MDATIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->atime)
+#define MDMTIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->mtime)
+#define MDCTIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->ctime)
+
+/* Function prototypes */
+
+DRIVER *maildir_valid (char *name);
+MAILSTREAM *maildir_open (MAILSTREAM *stream);
+void maildir_close (MAILSTREAM *stream, long options);
+long maildir_ping (MAILSTREAM *stream);
+void maildir_check (MAILSTREAM *stream);
+long maildir_text (MAILSTREAM *stream,unsigned long msgno,STRING *bs,long flags);
+char *maildir_header (MAILSTREAM *stream,unsigned long msgno,
+ unsigned long *length, long flags);
+void maildir_list (MAILSTREAM *stream,char *ref,char *pat);
+void *maildir_parameters (long function,void *value);
+int maildir_create_folder (char *mailbox);
+long maildir_create (MAILSTREAM *stream,char *mailbox);
+void maildir_flagmsg (MAILSTREAM *stream,MESSAGECACHE *elt); /*check */
+long maildir_expunge (MAILSTREAM *stream, char *sequence, long options);
+long maildir_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
+long maildir_append (MAILSTREAM *stream,char *mailbox, append_t af, void *data);
+long maildir_delete (MAILSTREAM *stream,char *mailbox);
+long maildir_rename (MAILSTREAM *stream,char *old,char *new);
+long maildir_sub (MAILSTREAM *stream,char *mailbox);
+long maildir_unsub (MAILSTREAM *stream,char *mailbox);
+void maildir_lsub (MAILSTREAM *stream,char *ref,char *pat);
+void courier_list (MAILSTREAM *stream,char *ref, char *pat);
+
+/* utility functions */
+void courier_realname (char *name, char *realname);
+long maildir_dirfmttest (char *name);
+char *maildir_file (char *dst,char *name);
+int maildir_select (const struct direct *name);
+int maildir_namesort (const struct direct **d1, const struct direct **d2);
+unsigned long antoul (char *seed);
+unsigned long mdfntoul (char *name);
+int courier_dir_select (const struct direct *name);
+int courier_dir_sort (const struct direct **d1, const struct direct **d2);
+long maildir_canonicalize (char *pattern,char *ref,char *pat);
+void maildir_list_work (MAILSTREAM *stream,char *subdir,char *pat,long level);
+void courier_list_work (MAILSTREAM *stream,char *subdir,char *pat,long level);
+int maildir_file_path(char *name, char *tmp, size_t sizeoftmp);
+int maildir_valid_name (char *name);
+int maildir_valid_dir (char *name);
+int is_valid_maildir (char **name);
+int maildir_message_exists(MAILSTREAM *stream,char *name, char *tmp);
+char *maildir_remove_root(char *name);
+char *maildir_text_work (MAILSTREAM *stream,MESSAGECACHE *elt, unsigned long *length,long flags);
+unsigned long maildir_parse_message(MAILSTREAM *stream, unsigned long msgno,
+ DirNamesType dirtype);
+int maildir_eliminate_duplicate (char *name, struct direct ***flist,
+ unsigned long *nfiles);
+int maildir_doscandir (char *name, struct direct ***flist, int flag);
+unsigned long maildir_scandir (char *name, struct direct ***flist,
+ unsigned long *nfiles, int *scand, int flag);
+void maildir_parse_folder (MAILSTREAM *stream, int full);
+void md_domain_name (void);
+char *myrootdir (char *name);
+char *mdirpath (void);
+int maildir_initial_check (MAILSTREAM *stream, DirNamesType dirtype);
+unsigned long maildir_parse_dir(MAILSTREAM *stream, unsigned long nmsgs,
+ DirNamesType dirtype, struct direct **names, unsigned long nfiles, int full);
+int same_maildir_file(char *name1, char *name2);
+int comp_maildir_file(char *name1, char *name2);
+int maildir_message_in_list(char *msgname, struct direct **names,
+ unsigned long bottom, unsigned long top, unsigned long *pos);
+void maildir_getflag(char *name, int *d, int *f, int *r ,int *s, int *t);
+int maildir_update_elt_maildirp(MAILSTREAM *stream, unsigned long msgno);
+void maildir_abort (MAILSTREAM *stream);
+int maildir_contains_folder(char *dirname, char *name);
+int maildir_is_dir(char *dirname, char *name);
+int maildir_dir_is_empty(char *mailbox);
+int maildir_create_work (char *mailbox, int loop);
+void maildir_get_file (MAILDIRFILE **mdfile);
+void maildir_free_file (void **mdfile);
+void maildir_free_file_only (void **mdfile);
+int maildir_any_new_msgs(char *mailbox);
+void maildir_get_date(MAILSTREAM *stream, unsigned long msgno);
+void maildir_fast (MAILSTREAM *stream,char *sequence,long flags);
+
+/* Courier server support */
+void courier_free_cdir (COURIER_S **cdir);
+COURIER_S *courier_get_cdir (int total);
+int courier_search_list(COURIERLOCAL **data, char *name, int first, int last);
+COURIER_S *courier_list_dir(char *curdir);
+void courier_list_info(COURIER_S **cdirp, char *data, int i);
+
+/* UID Support */
+int maildir_can_assign_uid (MAILSTREAM *stream);
+void maildir_read_uid(MAILSTREAM *stream, unsigned long *uid_last,
+ unsigned long *uid_validity);
+void maildir_write_uid(MAILSTREAM *stream, unsigned long uid_last,
+ unsigned long uid_validity);
+unsigned long maildir_get_uid(char *name);
+void maildir_delete_uid(MAILSTREAM *stream, unsigned long msgno);
+void maildir_assign_uid(MAILSTREAM *stream, unsigned long msgno, unsigned long uid);
+void maildir_uid_renew_tempfile(MAILSTREAM *stream);
+
diff --git a/imap/src/osdep/unix/os_cyg.h b/imap/src/osdep/unix/os_cyg.h
index 061db332..81397225 100644
--- a/imap/src/osdep/unix/os_cyg.h
+++ b/imap/src/osdep/unix/os_cyg.h
@@ -47,6 +47,7 @@
#define setpgrp setpgid
#define SYSTEMUID 18 /* Cygwin returns this for SYSTEM */
+#define FLAGSEP ';'
#define geteuid Geteuid
uid_t Geteuid (void);
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-05 11:39:12 +0000