rework maildir store mapping

the trivial approach of having "home" and "root" stores produced ugly
results, and totally failed with the introduction of nested folder
handling.
instead, create a store per local directory, just as one would manually.

CCMAIL: 737708@bugs.debian.org
This commit is contained in:
Oswald Buddenhagen 2014-03-10 11:57:37 +01:00
parent 0edb606e0f
commit 19d86d2aa9
3 changed files with 82 additions and 24 deletions

View File

@ -29,8 +29,6 @@
#include <stdio.h>
#include <ctype.h>
static int local_home, local_root;
static char *
my_strndup( const char *s, size_t nchars )
{
@ -121,16 +119,6 @@ load_config( const char *path, config_t ***stor )
cfg = **stor = nfmalloc( sizeof(config_t) );
*stor = &cfg->next;
memcpy( cfg, &global, sizeof(config_t) );
if (val[0] == '~' && val[1] == '/') {
val += 2;
local_home = 1;
} else if (!memcmp( val, Home, HomeLen ) && val[HomeLen] == '/') {
val += HomeLen + 1;
local_home = 1;
} else if (val[0] == '/')
local_root = 1;
else
local_home = 1;
/* not expanded at this point */
cfg->path = nfstrdup( val );
} else if (!strcasecmp( "OneToOne", cmd )) {
@ -382,7 +370,9 @@ write_config( int fd )
{
FILE *fp;
const char *cn, *scn;
char *path, *local_box, *local_store;
config_t *box, *sbox, *pbox;
int pl;
if (!(fp = fdopen( fd, "w" ))) {
perror( "fdopen" );
@ -395,15 +385,17 @@ write_config( int fd )
if (global.expunge || expunge)
fputs( "Expunge Both\n", fp );
fputc( '\n', fp );
if (local_home || o2o)
fprintf( fp, "MaildirStore local\nPath \"%s/\"\nInbox \"%s/INBOX\"\nAltMap %s\n\n",
maildir, maildir, tb( altmap > 0 ) );
if (local_root)
fprintf( fp, "MaildirStore local_root\nPath /\nAltMap %s\n\n", tb( altmap > 0 ) );
if (o2o) {
write_imap_server( fp, &global );
write_imap_store( fp, &global );
fprintf( fp, "Channel o2o\nMaster :%s:\nSlave :local:\nPattern %%\n", global.store_name );
fprintf( fp, "MaildirStore local\nPath %s/\n", quotify( maildir ) );
if (!inbox) { /* just in case listing actually produces an INBOX ... */
nfasprintf( (char **)&inbox, "%s/INBOX", maildir );
fprintf( fp, "Inbox %s\n", quotify( inbox ) );
}
if (altmap > 0)
fputs( "AltMap yes\n", fp );
fprintf( fp, "\nChannel o2o\nMaster :%s:\nSlave :local:\nPattern %%\n", global.store_name );
write_channel_parm( fp, &global );
} else {
for (box = boxes; box; box = box->next) {
@ -446,6 +438,55 @@ write_config( int fd )
gotsrv:
write_imap_store( fp, box );
gotall:
path = expand_strdup( box->path );
if (!memcmp( path, Home, HomeLen ) && path[HomeLen] == '/')
nfasprintf( &path, "~%s", path + HomeLen );
local_store = local_box = strrchr( path, '/' ) + 1;
pl = local_store - path;
/* try to re-use existing store */
for (pbox = boxes; pbox != box; pbox = pbox->next)
if (pbox->local_store_path && !memcmp( pbox->local_store_path, path, pl ) && !pbox->local_store_path[pl])
goto gotstor;
box->local_store_path = my_strndup( path, pl );
/* derive a suitable name */
if (!strcmp( box->local_store_path, "/var/mail/" ) || !strcmp( box->local_store_path, "/var/spool/mail/" )) {
local_store = nfstrdup( "spool" );
} else if (!strcmp( box->local_store_path, "~/" )) {
local_store = nfstrdup( "home" );
} else {
local_store = memrchr( box->local_store_path, '/', pl - 1 );
if (local_store) {
local_store = my_strndup( local_store + 1, pl - 2 - (local_store - box->local_store_path) );
for (pl = 0; local_store[pl]; pl++)
local_store[pl] = tolower( local_store[pl] );
} else {
local_store = nfstrdup( "local" );
}
}
/* avoid name clashes with imap stores */
for (pbox = boxes; pbox != box; pbox = pbox->next)
if (!strcmp( pbox->store_name, local_store )) {
nfasprintf( &local_store, "local_%s", local_store );
goto gotsdup;
}
gotsdup:
/* avoid name clashes with other local stores */
for (pbox = boxes; pbox != box; pbox = pbox->next)
if (pbox->local_store_name && !strcmp( pbox->local_store_name, local_store )) {
nfasprintf( (char **)&box->local_store_name, "%s-%d", local_store, ++pbox->local_stores );
goto gotdup;
}
box->local_store_name = local_store;
box->local_stores = 1;
gotdup:
fprintf( fp, "MaildirStore %s\nPath %s\n", box->local_store_name, quotify( box->local_store_path ) );
if (altmap > 0)
fputs( "AltMap yes\n", fp );
fputc( '\n', fp );
pbox = box;
gotstor:
if (box->alias)
cn = box->alias;
else {
@ -473,12 +514,9 @@ write_config( int fd )
box->channels = 1;
box->channel_name = cn;
gotchan:
if (box->path[0] == '/')
fprintf( fp, "Channel %s\nMaster :%s:\"%s\"\nSlave :local_root:\"%s\"\n",
box->channel_name, box->store_name, box->box, box->path + 1 );
else
fprintf( fp, "Channel %s\nMaster :%s:\"%s\"\nSlave :local:\"%s\"\n",
box->channel_name, box->store_name, box->box, box->path );
fprintf( fp, "Channel %s\nMaster :%s:%s\nSlave :%s:%s\n",
box->channel_name, box->store_name, quotify( box->box ), pbox->local_store_name, quotify( local_box ) );
write_channel_parm( fp, box );
}

View File

@ -56,6 +56,9 @@ typedef struct config {
const char *store_name;
int stores;
const char *local_store_name;
const char *local_store_path;
int local_stores;
char *copy_deleted_to;
unsigned int use_namespace:1;
@ -99,3 +102,7 @@ int nfasprintf( char **str, const char *fmt, ... );
int nfsnprintf( char *buf, int blen, const char *fmt, ... );
void sys_error( const char *, ... );
void ATTR_NORETURN oob( void );
#ifndef HAVE_MEMRCHR
void *memrchr( const void *s, int c, size_t n );
#endif

View File

@ -87,6 +87,19 @@ vasprintf( char **strp, const char *fmt, va_list ap )
}
#endif
#ifndef HAVE_MEMRCHR
void *
memrchr( const void *s, int c, size_t n )
{
u_char *b = (u_char *)s, *e = b + n;
while (--e >= b)
if (*e == c)
return (void *)e;
return 0;
}
#endif
void
oob( void )
{