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.
This commit is contained in:
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064f579a92
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2
NEWS
2
NEWS
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@ -2,6 +2,8 @@
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Network timeout handling has been added.
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A Maildir sub-folder naming style without extra dots has been added.
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[1.2.0]
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The 'isync' compatibility wrapper is now deprecated.
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@ -50,6 +50,11 @@
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#include <db.h>
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#endif /* USE_DB */
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#define SUB_UNSET 0
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#define SUB_VERBATIM 1
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#define SUB_MAILDIRPP 2
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#define SUB_LEGACY 3
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typedef struct maildir_store_conf {
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store_conf_t gen;
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char *inbox;
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@ -57,6 +62,7 @@ typedef struct maildir_store_conf {
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int alt_map;
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#endif /* USE_DB */
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char info_delimiter;
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char sub_style;
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char failed;
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char *info_prefix, *info_stop; /* precalculated from info_delimiter */
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} maildir_store_conf_t;
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@ -113,23 +119,50 @@ maildir_parse_flags( const char *info_prefix, const char *base )
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}
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static char *
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maildir_join_path( const char *prefix, const char *box )
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maildir_join_path( maildir_store_conf_t *conf, const char *prefix, const char *box )
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{
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char *out, *p;
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int pl, bl, n;
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int pl, bl, n, sub = 0;
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char c;
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pl = strlen( prefix );
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for (bl = 0, n = 0; (c = box[bl]); bl++)
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if (c == '/')
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if (c == '/') {
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if (conf->sub_style == SUB_UNSET) {
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error( "Maildir error: accessing subfolder '%s', but store '%s' does not specify SubFolders style\n",
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box, conf->gen.name );
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return 0;
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}
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n++;
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} else if (c == '.' && conf->sub_style == SUB_MAILDIRPP) {
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error( "Maildir error: store '%s', folder '%s': SubFolders style Maildir++ does not support dots in mailbox names\n",
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conf->gen.name, box );
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return 0;
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}
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out = nfmalloc( pl + bl + n + 1 );
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memcpy( out, prefix, pl );
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p = out + pl;
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while ((c = *box++)) {
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if (c == '/') {
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switch (conf->sub_style) {
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case SUB_VERBATIM:
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*p++ = c;
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if (c == '/')
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break;
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case SUB_MAILDIRPP:
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if (!sub) {
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sub = 1;
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*p++ = c;
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}
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*p++ = '.';
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break;
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case SUB_LEGACY:
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*p++ = c;
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*p++ = '.';
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break;
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}
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} else {
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*p++ = c;
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}
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}
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*p = 0;
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return out;
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@ -172,7 +205,11 @@ maildir_open_store( store_conf_t *gconf, const char *label ATTR_UNUSED,
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cb( 0, aux );
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return;
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}
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ctx->trash = maildir_join_path( gconf->path, gconf->trash );
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if (!(ctx->trash = maildir_join_path( conf, gconf->path, gconf->trash ))) {
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free( ctx );
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cb( 0, aux );
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return;
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}
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}
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cb( &ctx->gen, aux );
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}
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@ -239,7 +276,8 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
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char *path, int pathLen, char *name, int nameLen )
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{
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DIR *dir;
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int pl, nl;
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int style = ((maildir_store_conf_t *)gctx->conf)->sub_style;
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int pl, nl, i;
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struct dirent *de;
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struct stat st;
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@ -249,9 +287,20 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
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sys_error( "Maildir error: cannot list %s", path );
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return -1;
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}
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if (isBox > 1 && style == SUB_UNSET) {
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error( "Maildir error: found subfolder '%.*s', but store '%s' does not specify SubFolders style\n",
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nameLen - 1, name, gctx->conf->name );
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closedir( dir );
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return -1;
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}
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while ((de = readdir( dir ))) {
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const char *ent = de->d_name;
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pl = pathLen + nfsnprintf( path + pathLen, _POSIX_PATH_MAX - pathLen, "%s", ent );
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if (ent[0] == '.' && (!ent[1] || (ent[1] == '.' && !ent[2])))
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continue;
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pl = nfsnprintf( path + pathLen, _POSIX_PATH_MAX - pathLen, "%s", ent );
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if (pl == 3 && (!memcmp( ent, "cur", 3 ) || !memcmp( ent, "new", 3 ) || !memcmp( ent, "tmp", 3 )))
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continue;
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pl += pathLen;
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if (inbox && equals( path, pl, inbox, inboxLen )) {
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/* Inbox nested into Path. List now if it won't be listed separately anyway. */
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if (!(flags & LIST_INBOX) && maildir_list_inbox( gctx, flags, 0 ) < 0) {
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@ -265,29 +314,39 @@ maildir_list_recurse( store_t *gctx, int isBox, int flags,
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return -1;
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}
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} else {
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if (style == SUB_MAILDIRPP || style == SUB_LEGACY) {
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if (*ent == '.') {
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if (!isBox)
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continue;
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if (!ent[1] || ent[1] == '.')
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continue;
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ent++;
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} else {
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if (isBox)
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continue;
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if (!nameLen && equals( ent, -1, "INBOX", 5 )) {
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}
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}
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nl = nameLen + nfsnprintf( name + nameLen, _POSIX_PATH_MAX - nameLen, "%s", ent );
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if (style == SUB_MAILDIRPP && isBox) {
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for (i = nameLen; i < nl; i++) {
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if (name[i] == '.')
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name[i] = '/';
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}
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}
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if (!nameLen && equals( name, nl, "INBOX", 5 ) && (!name[5] || name[5] == '/')) {
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path[pathLen] = 0;
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warn( "Maildir warning: ignoring INBOX in %s\n", path );
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continue;
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}
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}
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nl = nameLen + nfsnprintf( name + nameLen, _POSIX_PATH_MAX - nameLen, "%s", ent );
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path[pl++] = '/';
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nfsnprintf( path + pl, _POSIX_PATH_MAX - pl, "cur" );
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if (!stat( path, &st ) && S_ISDIR(st.st_mode))
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add_string_list( &gctx->boxes, name );
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if (style == SUB_MAILDIRPP && isBox) {
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/* Maildir++ subfolder - don't recurse further. */
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continue;
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}
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path[pl] = 0;
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name[nl++] = '/';
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if (maildir_list_recurse( gctx, 1, flags, inbox, inboxLen, basePath, basePathLen, path, pl, name, nl ) < 0) {
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if (maildir_list_recurse( gctx, isBox + 1, flags, inbox, inboxLen, basePath, basePathLen, path, pl, name, nl ) < 0) {
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closedir( dir );
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return -1;
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}
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@ -404,10 +463,6 @@ make_box_dir( char *buf, int bl )
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if (!mkdir( buf, 0700 ) || errno == EEXIST)
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return 0;
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p = memrchr( buf, '/', bl - 1 );
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if (*(p + 1) != '.') {
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errno = ENOENT;
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return -1;
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}
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*p = 0;
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if (make_box_dir( buf, (int)(p - buf) ))
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return -1;
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@ -1055,17 +1110,17 @@ maildir_select_box( store_t *gctx, const char *name )
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#endif /* USE_DB */
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ctx->fresh[0] = ctx->fresh[1] = 0;
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if (starts_with( name, -1, "INBOX", 5 ) && (!name[5] || name[5] == '/')) {
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gctx->path = maildir_join_path( conf->inbox, name + 5 );
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gctx->path = maildir_join_path( conf, conf->inbox, name + 5 );
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ctx->is_inbox = !name[5];
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} else {
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if (maildir_validate_path( conf ) < 0) {
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gctx->path = 0;
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return DRV_CANCELED;
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}
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gctx->path = maildir_join_path( gctx->conf->path, name );
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gctx->path = maildir_join_path( conf, conf->gen.path, name );
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ctx->is_inbox = 0;
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}
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return DRV_OK;
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return gctx->path ? DRV_OK : DRV_BOX_BAD;
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}
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static void
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cfg->err = 1;
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continue;
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}
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} else if (!strcasecmp( "SubFolders", cfg->cmd )) {
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if (!strcasecmp( "Verbatim", cfg->val )) {
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store->sub_style = SUB_VERBATIM;
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} else if (!strcasecmp( "Maildir++", cfg->val )) {
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store->sub_style = SUB_MAILDIRPP;
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} else if (!strcasecmp( "Legacy", cfg->val )) {
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store->sub_style = SUB_LEGACY;
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} else {
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error( "%s:%d: Unrecognized SubFolders style\n", cfg->file, cfg->line );
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cfg->err = 1;
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}
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} else
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parse_generic_store( &store->gen, cfg );
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if (!store->inbox)
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20
src/mbsync.1
20
src/mbsync.1
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@ -256,6 +256,26 @@ The Maildir standard defines this to be the colon, but this is incompatible
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with DOS/Windows file systems.
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(Default: the value of \fBFieldDelimiter\fR)
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..
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.TP
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\fBSubFolders\fR \fBVerbatim\fR|\fBMaildir++\fR|\fBLegacy\fR
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The on-disk folder naming style used for hierarchical mailboxes.
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This has option has no effect when \fBFlatten\fR is used.
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.br
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Suppose a mailbox with the canonical path \fItop/sub/subsub\fR,
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the styles will yield the following on-disk paths:
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.br
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\fBVerbatim\fR - \fItop/sub/subsub\fR
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(this is the style you probably want to use)
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.br
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\fBMaildir++\fR - \fItop/.sub.subsub\fR
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(this style is compatible with Courier and Dovecot - but note that
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the mailbox metadata format is \fInot\fR compatible)
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.br
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\fBLegacy\fR - \fItop/.sub/.subsub\fR
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(this is \fBmbsync\fR's historical style)
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.br
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(Default: unset; will error out when sub-folders are encountered)
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..
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.SS IMAP4 Accounts
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.TP
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\fBIMAPAccount\fR \fIname\fR
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@ -87,6 +87,7 @@ TrashRemoteNew yes
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MaildirStore mirror
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Path ~/Maildir/
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SubFolders Verbatim
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Channel o2o
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Master :server:
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@ -967,6 +967,7 @@ sync_boxes( store_t *ctx[], const char *names[], int present[], channel_conf_t *
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svars->box_name[t] = nfstrdup( svars->orig_name[t] );
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} else if (map_name( svars->orig_name[t], &svars->box_name[t], 0, "/", ctx[t]->conf->flat_delim ) < 0) {
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error( "Error: canonical mailbox name '%s' contains flattened hierarchy delimiter\n", svars->orig_name[t] );
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bail3:
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svars->ret = SYNC_FAIL;
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sync_bail3( svars );
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return;
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/* Both boxes must be fully set up at this point, so that error exit paths
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* don't run into uninitialized variables. */
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for (t = 0; t < 2; t++) {
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if (svars->drv[t]->select_box( ctx[t], svars->box_name[t] ) == DRV_CANCELED) {
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switch (svars->drv[t]->select_box( ctx[t], svars->box_name[t] )) {
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case DRV_CANCELED:
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store_bad( AUX );
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return;
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case DRV_BOX_BAD:
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goto bail3;
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}
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}
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