commit 549e6739e82ef2428e92a15cf455edc64ad77579
Author: Oswald Buddenhagen <o...@users.sf.net>
Date: Fri May 1 19:16:23 2015 +0200
support verbatim and real Maildir++ subfolder naming styles
the legacy style is a poorly executed attempt at Maildir++, so introduce
the latter for the sake of completeness. but most users will probably
just want to use subfolders without any additional dots.
NEWS | 2 +
src/drv_maildir.c | 126 ++++++++++++++++++++++++++++++++----------
src/mbsync.1 | 20 +++++++
src/mbsyncrc.sample | 1 +
src/sync.c | 6 ++-
5 files changed, 124 insertions(+), 31 deletions(-)
diff --git a/NEWS b/NEWS
index f0d2743..5ba9777 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,8 @@
Network timeout handling has been added.
+A Maildir sub-folder naming style without extra dots has been added.
+
[1.2.0]
The 'isync' compatibility wrapper is now deprecated.
diff --git a/src/drv_maildir.c b/src/drv_maildir.c
index 509084f..59a40d2 100644
--- a/src/drv_maildir.c
+++ b/src/drv_maildir.c
@@ -50,6 +50,11 @@
#include <db.h>
#endif /* USE_DB */
+#define SUB_UNSET 0
+#define SUB_VERBATIM 1
+#define SUB_MAILDIRPP 2
+#define SUB_LEGACY 3
+
typedef struct maildir_store_conf {
store_conf_t gen;
char *inbox;
@@ -57,6 +62,7 @@ typedef struct maildir_store_conf {
int alt_map;
#endif /* USE_DB */
char info_delimiter;
+ char sub_style;
char failed;
char *info_prefix, *info_stop; /* precalculated from info_delimiter */
} maildir_store_conf_t;
@@ -113,23 +119,50 @@ maildir_parse_flags( const char *info_prefix, const char
*base )
}
static char *
-maildir_join_path( const char *prefix, const char *box )
+maildir_join_path( maildir_store_conf_t *conf, const char *prefix, const char
*box )
{
char *out, *p;
- int pl, bl, n;
+ int pl, bl, n, sub = 0;
char c;
pl = strlen( prefix );
for (bl = 0, n = 0; (c = box[bl]); bl++)
- if (c == '/')
+ if (c == '/') {
+ if (conf->sub_style == SUB_UNSET) {
+ error( "Maildir error: accessing subfolder
'%s', but store '%s' does not specify SubFolders style\n",
+ box, conf->gen.name );
+ return 0;
+ }
n++;
+ } else if (c == '.' && conf->sub_style == SUB_MAILDIRPP) {
+ error( "Maildir error: store '%s', folder '%s':
SubFolders style Maildir++ does not support dots in mailbox names\n",
+ conf->gen.name, box );
+ return 0;
+ }
out = nfmalloc( pl + bl + n + 1 );
memcpy( out, prefix, pl );
p = out + pl;
while ((c = *box++)) {
- *p++ = c;
- if (c == '/')
- *p++ = '.';
+ if (c == '/') {
+ switch (conf->sub_style) {
+ case SUB_VERBATIM:
+ *p++ = c;
+ break;
+ case SUB_MAILDIRPP:
+ if (!sub) {
+ sub = 1;
+ *p++ = c;
+ }
+ *p++ = '.';
+ break;
+ case SUB_LEGACY:
+ *p++ = c;
+ *p++ = '.';
+ break;
+ }
+ } else {
+ *p++ = c;
+ }
}
*p = 0;
return out;
@@ -172,7 +205,11 @@ maildir_open_store( store_conf_t *gconf, const char *label
ATTR_UNUSED,
cb( 0, aux );
return;
}
- ctx->trash = maildir_join_path( gconf->path, gconf->trash );
+ if (!(ctx->trash = maildir_join_path( conf, gconf->path,
gconf->trash ))) {
+ free( ctx );
+ cb( 0, aux );
+ return;
+ }
}
cb( &ctx->gen, aux );
}
@@ -239,7 +276,8 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
char *path, int pathLen, char *name, int nameLen )
{
DIR *dir;
- int pl, nl;
+ int style = ((maildir_store_conf_t *)gctx->conf)->sub_style;
+ int pl, nl, i;
struct dirent *de;
struct stat st;
@@ -249,9 +287,20 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
sys_error( "Maildir error: cannot list %s", path );
return -1;
}
+ if (isBox > 1 && style == SUB_UNSET) {
+ error( "Maildir error: found subfolder '%.*s', but store '%s'
does not specify SubFolders style\n",
+ nameLen - 1, name, gctx->conf->name );
+ closedir( dir );
+ return -1;
+ }
while ((de = readdir( dir ))) {
const char *ent = de->d_name;
- pl = pathLen + nfsnprintf( path + pathLen, _POSIX_PATH_MAX -
pathLen, "%s", ent );
+ if (ent[0] == '.' && (!ent[1] || (ent[1] == '.' && !ent[2])))
+ continue;
+ pl = nfsnprintf( path + pathLen, _POSIX_PATH_MAX - pathLen,
"%s", ent );
+ if (pl == 3 && (!memcmp( ent, "cur", 3 ) || !memcmp( ent,
"new", 3 ) || !memcmp( ent, "tmp", 3 )))
+ continue;
+ pl += pathLen;
if (inbox && equals( path, pl, inbox, inboxLen )) {
/* Inbox nested into Path. List now if it won't be
listed separately anyway. */
if (!(flags & LIST_INBOX) && maildir_list_inbox( gctx,
flags, 0 ) < 0) {
@@ -265,29 +314,39 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
return -1;
}
} else {
- if (*ent == '.') {
- if (!isBox)
- continue;
- if (!ent[1] || ent[1] == '.')
- continue;
- ent++;
- } else {
- if (isBox)
- continue;
- if (!nameLen && equals( ent, -1, "INBOX", 5 )) {
- path[pathLen] = 0;
- warn( "Maildir warning: ignoring INBOX
in %s\n", path );
- continue;
+ if (style == SUB_MAILDIRPP || style == SUB_LEGACY) {
+ if (*ent == '.') {
+ if (!isBox)
+ continue;
+ ent++;
+ } else {
+ if (isBox)
+ continue;
}
}
nl = nameLen + nfsnprintf( name + nameLen,
_POSIX_PATH_MAX - nameLen, "%s", ent );
+ if (style == SUB_MAILDIRPP && isBox) {
+ for (i = nameLen; i < nl; i++) {
+ if (name[i] == '.')
+ name[i] = '/';
+ }
+ }
+ if (!nameLen && equals( name, nl, "INBOX", 5 ) &&
(!name[5] || name[5] == '/')) {
+ path[pathLen] = 0;
+ warn( "Maildir warning: ignoring INBOX in
%s\n", path );
+ continue;
+ }
path[pl++] = '/';
nfsnprintf( path + pl, _POSIX_PATH_MAX - pl, "cur" );
if (!stat( path, &st ) && S_ISDIR(st.st_mode))
add_string_list( &gctx->boxes, name );
+ if (style == SUB_MAILDIRPP && isBox) {
+ /* Maildir++ subfolder - don't recurse further.
*/
+ continue;
+ }
path[pl] = 0;
name[nl++] = '/';
- if (maildir_list_recurse( gctx, 1, flags, inbox,
inboxLen, basePath, basePathLen, path, pl, name, nl ) < 0) {
+ if (maildir_list_recurse( gctx, isBox + 1, flags,
inbox, inboxLen, basePath, basePathLen, path, pl, name, nl ) < 0) {
closedir( dir );
return -1;
}
@@ -404,10 +463,6 @@ make_box_dir( char *buf, int bl )
if (!mkdir( buf, 0700 ) || errno == EEXIST)
return 0;
p = memrchr( buf, '/', bl - 1 );
- if (*(p + 1) != '.') {
- errno = ENOENT;
- return -1;
- }
*p = 0;
if (make_box_dir( buf, (int)(p - buf) ))
return -1;
@@ -1055,17 +1110,17 @@ maildir_select_box( store_t *gctx, const char *name )
#endif /* USE_DB */
ctx->fresh[0] = ctx->fresh[1] = 0;
if (starts_with( name, -1, "INBOX", 5 ) && (!name[5] || name[5] ==
'/')) {
- gctx->path = maildir_join_path( conf->inbox, name + 5 );
+ gctx->path = maildir_join_path( conf, conf->inbox, name + 5 );
ctx->is_inbox = !name[5];
} else {
if (maildir_validate_path( conf ) < 0) {
gctx->path = 0;
return DRV_CANCELED;
}
- gctx->path = maildir_join_path( gctx->conf->path, name );
+ gctx->path = maildir_join_path( conf, conf->gen.path, name );
ctx->is_inbox = 0;
}
- return DRV_OK;
+ return gctx->path ? DRV_OK : DRV_BOX_BAD;
}
static void
@@ -1670,6 +1725,17 @@ maildir_parse_store( conffile_t *cfg, store_conf_t
**storep )
cfg->err = 1;
continue;
}
+ } else if (!strcasecmp( "SubFolders", cfg->cmd )) {
+ if (!strcasecmp( "Verbatim", cfg->val )) {
+ store->sub_style = SUB_VERBATIM;
+ } else if (!strcasecmp( "Maildir++", cfg->val )) {
+ store->sub_style = SUB_MAILDIRPP;
+ } else if (!strcasecmp( "Legacy", cfg->val )) {
+ store->sub_style = SUB_LEGACY;
+ } else {
+ error( "%s:%d: Unrecognized SubFolders
style\n", cfg->file, cfg->line );
+ cfg->err = 1;
+ }
} else
parse_generic_store( &store->gen, cfg );
if (!store->inbox)
diff --git a/src/mbsync.1 b/src/mbsync.1
index 2f1d16f..66b95aa 100644
--- a/src/mbsync.1
+++ b/src/mbsync.1
@@ -256,6 +256,26 @@ The Maildir standard defines this to be the colon, but
this is incompatible
with DOS/Windows file systems.
(Default: the value of \fBFieldDelimiter\fR)
..
+.TP
+\fBSubFolders\fR \fBVerbatim\fR|\fBMaildir++\fR|\fBLegacy\fR
+The on-disk folder naming style used for hierarchical mailboxes.
+This has option has no effect when \fBFlatten\fR is used.
+.br
+Suppose a mailbox with the canonical path \fItop/sub/subsub\fR,
+the styles will yield the following on-disk paths:
+.br
+\fBVerbatim\fR - \fItop/sub/subsub\fR
+(this is the style you probably want to use)
+.br
+\fBMaildir++\fR - \fItop/.sub.subsub\fR
+(this style is compatible with Courier and Dovecot - but note that
+the mailbox metadata format is \fInot\fR compatible)
+.br
+\fBLegacy\fR - \fItop/.sub/.subsub\fR
+(this is \fBmbsync\fR's historical style)
+.br
+(Default: unset; will error out when sub-folders are encountered)
+..
.SS IMAP4 Accounts
.TP
\fBIMAPAccount\fR \fIname\fR
diff --git a/src/mbsyncrc.sample b/src/mbsyncrc.sample
index c7d61c7..d7c5b53 100644
--- a/src/mbsyncrc.sample
+++ b/src/mbsyncrc.sample
@@ -87,6 +87,7 @@ TrashRemoteNew yes
MaildirStore mirror
Path ~/Maildir/
+SubFolders Verbatim
Channel o2o
Master :server:
diff --git a/src/sync.c b/src/sync.c
index eb444e0..9672734 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -967,6 +967,7 @@ sync_boxes( store_t *ctx[], const char *names[], int
present[], channel_conf_t *
svars->box_name[t] = nfstrdup( svars->orig_name[t] );
} else if (map_name( svars->orig_name[t], &svars->box_name[t],
0, "/", ctx[t]->conf->flat_delim ) < 0) {
error( "Error: canonical mailbox name '%s' contains
flattened hierarchy delimiter\n", svars->orig_name[t] );
+ bail3:
svars->ret = SYNC_FAIL;
sync_bail3( svars );
return;
@@ -978,9 +979,12 @@ sync_boxes( store_t *ctx[], const char *names[], int
present[], channel_conf_t *
/* Both boxes must be fully set up at this point, so that error exit
paths
* don't run into uninitialized variables. */
for (t = 0; t < 2; t++) {
- if (svars->drv[t]->select_box( ctx[t], svars->box_name[t] ) ==
DRV_CANCELED) {
+ switch (svars->drv[t]->select_box( ctx[t], svars->box_name[t]
)) {
+ case DRV_CANCELED:
store_bad( AUX );
return;
+ case DRV_BOX_BAD:
+ goto bail3;
}
}
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