/* GNU Mailutils -- a suite of utilities for electronic mail Copyright (C) 2003, 2005, 2007, 2009-2012, 2014-2016 Free Software Foundation, Inc. GNU Mailutils is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Mailutils is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */ #include <mh.h> #include <mailutils/sys/msgset.h> static char * private_sequence_name (const char *name) { char *p; char *mbox_dir = mh_expand_name (NULL, mh_current_folder (), NAME_ANY); mu_asprintf (&p, "atr-%s-%s", name, mbox_dir); free (mbox_dir); return p; } const char * mh_seq_read (mu_mailbox_t mbox, const char *name, int flags) { const char *value; if (flags & SEQ_PRIVATE) { char *p = private_sequence_name (name); value = mh_global_context_get (p, NULL); free (p); } else value = mh_global_sequences_get (mbox, name, NULL); return value; } static void write_sequence (mu_mailbox_t mbox, const char *name, char *value, int private) { if (private) { char *p = private_sequence_name (name); mh_global_context_set (p, value); free (p); } else mh_global_sequences_set (mbox, name, value); } static void delete_sequence (mu_mailbox_t mbox, const char *name, int private) { write_sequence (mbox, name, NULL, private); } struct format_closure { mu_stream_t stream; mu_mailbox_t mailbox; int delim; }; static int format_sequence (void *item, void *data) { struct mu_msgrange *r = item; struct format_closure *clos = data; int rc; size_t beg, end; if (clos->mailbox) { rc = mu_mailbox_translate (clos->mailbox, MU_MAILBOX_MSGNO_TO_UID, r->msg_beg, &beg); if (rc) return rc; } else beg = r->msg_beg; if (clos->delim) mu_stream_write (clos->stream, " ", 1, NULL); if (r->msg_beg == r->msg_end) rc = mu_stream_printf (clos->stream, "%lu", (unsigned long) beg); else { if (clos->mailbox) { rc = mu_mailbox_translate (clos->mailbox, MU_MAILBOX_MSGNO_TO_UID, r->msg_end, &end); if (rc) return rc; } else end = r->msg_end; if (beg + 1 == end) rc = mu_stream_printf (clos->stream, "%lu %lu", (unsigned long) beg, (unsigned long) end); else rc = mu_stream_printf (clos->stream, "%lu-%lu", (unsigned long) beg, (unsigned long) end); } clos->delim = 1; return rc; } static void save_sequence (mu_mailbox_t mbox, const char *name, mu_msgset_t mset, int flags) { mu_list_t list; mu_msgset_get_list (mset, &list); if (mu_list_is_empty (list)) write_sequence (mset->mbox, name, NULL, flags & SEQ_PRIVATE); else { struct format_closure clos; int rc; mu_transport_t trans[2]; rc = mu_memory_stream_create (&clos.stream, MU_STREAM_RDWR); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_memory_stream_create", NULL, rc); exit (1); } clos.mailbox = mset->mbox; clos.delim = 0; rc = mu_list_foreach (list, format_sequence, &clos); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_list_foreach", NULL, rc); exit (1); } mu_stream_write (clos.stream, "", 1, NULL); mu_stream_ioctl (clos.stream, MU_IOCTL_TRANSPORT, MU_IOCTL_OP_GET, trans); write_sequence (mbox, name, (char*)trans[0], flags & SEQ_PRIVATE); mu_stream_unref (clos.stream); } } void mh_seq_add (mu_mailbox_t mbox, const char *name, mu_msgset_t mset, int flags) { const char *value = mh_seq_read (mbox, name, flags); delete_sequence (mbox, name, !(flags & SEQ_PRIVATE)); if (value && !(flags & SEQ_ZERO)) { mu_msgset_t oldset; mh_msgset_parse_string (&oldset, mbox, value, "cur"); mu_msgset_add (oldset, mset); save_sequence (mbox, name, oldset, flags); mu_msgset_free (oldset); } else save_sequence (mbox, name, mset, flags); } int mh_seq_delete (mu_mailbox_t mbox, const char *name, mu_msgset_t mset, int flags) { const char *value = mh_seq_read (mbox, name, flags); mu_msgset_t oldset; if (!value) return 0; mh_msgset_parse_string (&oldset, mbox, value, "cur"); mu_msgset_sub (oldset, mset); save_sequence (mbox, name, oldset, flags); mu_msgset_free (oldset); return 0; } struct privseq_closure { const char *mbox_dir; mu_mhprop_iterator_t fun; void *data; char *namebuf; size_t namelen; }; static int privseq_handler (const char *name, const char *value, void *data) { struct privseq_closure *pclos = data; if (strncmp (name, "atr-", 4) == 0) { char *p = strchr (name + 4, '-'); if (p && strcmp (p + 1, pclos->mbox_dir) == 0) { size_t len = p - name - 4; if (pclos->namelen < len + 1) { pclos->namelen = len + 1; pclos->namebuf = mu_realloc (pclos->namebuf, pclos->namelen); } memcpy (pclos->namebuf, name + 4, len); pclos->namebuf[len] = 0; } return pclos->fun (pclos->namebuf, value, pclos->data); } return 0; } int mh_private_sequences_iterate (mu_mailbox_t mbox, mu_mhprop_iterator_t fp, void *data) { int rc; struct privseq_closure clos; mu_url_t url; rc = mu_mailbox_get_url (mbox, &url); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_get_url", NULL, rc); exit (1); } rc = mu_url_sget_path (url, &clos.mbox_dir); if (rc) { mu_diag_funcall (MU_DIAG_ERROR, "mu_url_sget_path", mu_url_to_string (url), rc); exit (1); } clos.fun = fp; clos.data = data; clos.namebuf = NULL; clos.namelen = 0; rc = mu_mhprop_iterate (mu_mh_context, privseq_handler, &clos); free (clos.namebuf); return rc; }