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|
/* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2009 Carl Worth
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see https://www.gnu.org/licenses/ .
*
* Author: Carl Worth <cworth@cworth.org>
*/
#include "notmuch-client.h"
#include "hex-escape.h"
#include "tag-util.h"
#include "string-util.h"
#include "zlib-extra.h"
static int
process_config_line (notmuch_database_t *notmuch, const char* line)
{
const char *key_p, *val_p;
char *key, *val;
size_t key_len,val_len;
const char *delim = " \t\n";
int ret = EXIT_FAILURE;
void *local = talloc_new(NULL);
key_p = strtok_len_c (line, delim, &key_len);
val_p = strtok_len_c (key_p+key_len, delim, &val_len);
key = talloc_strndup (local, key_p, key_len);
val = talloc_strndup (local, val_p, val_len);
if (hex_decode_inplace (key) != HEX_SUCCESS ||
hex_decode_inplace (val) != HEX_SUCCESS ) {
fprintf (stderr, "hex decoding failure on line %s\n", line);
goto DONE;
}
if (print_status_database ("notmuch restore", notmuch,
notmuch_database_set_config (notmuch, key, val)))
goto DONE;
ret = EXIT_SUCCESS;
DONE:
talloc_free (local);
return ret;
}
static int
process_properties_line (notmuch_database_t *notmuch, const char* line)
{
const char *id_p, *tok;
size_t id_len = 0, tok_len = 0;
char *id;
notmuch_message_t *message = NULL;
const char *delim = " \t\n";
int ret = EXIT_FAILURE;
void *local = talloc_new (NULL);
id_p = strtok_len_c (line, delim, &id_len);
id = talloc_strndup (local, id_p, id_len);
if (hex_decode_inplace (id) != HEX_SUCCESS) {
fprintf (stderr, "hex decoding failure on line %s\n", line);
goto DONE;
}
if (print_status_database ("notmuch restore", notmuch,
notmuch_database_find_message (notmuch, id, &message)))
goto DONE;
if (print_status_database ("notmuch restore", notmuch,
notmuch_message_remove_all_properties (message, NULL)))
goto DONE;
tok = id_p + id_len;
while ((tok = strtok_len_c (tok + tok_len, delim, &tok_len)) != NULL) {
char *key, *value;
size_t off = strcspn (tok, "=");
if (off > tok_len) {
fprintf (stderr, "unparsable token %s\n", tok);
goto DONE;
}
key = talloc_strndup (local, tok, off);
value = talloc_strndup (local, tok + off + 1, tok_len - off - 1);
if (hex_decode_inplace (key) != HEX_SUCCESS) {
fprintf (stderr, "hex decoding failure on key %s\n", key);
goto DONE;
}
if (hex_decode_inplace (value) != HEX_SUCCESS) {
fprintf (stderr, "hex decoding failure on value %s\n", value);
goto DONE;
}
if (print_status_database ("notmuch restore", notmuch,
notmuch_message_add_property (message, key, value)))
goto DONE;
}
ret = EXIT_SUCCESS;
DONE:
talloc_free (local);
return ret;
}
static regex_t regex;
/* Non-zero return indicates an error in retrieving the message,
* or in applying the tags. Missing messages are reported, but not
* considered errors.
*/
static int
tag_message (unused (void *ctx),
notmuch_database_t *notmuch,
const char *message_id,
tag_op_list_t *tag_ops,
tag_op_flag_t flags)
{
notmuch_status_t status;
notmuch_message_t *message = NULL;
int ret = 0;
status = notmuch_database_find_message (notmuch, message_id, &message);
if (status) {
fprintf (stderr, "Error applying tags to message %s: %s\n",
message_id, notmuch_status_to_string (status));
return 1;
}
if (message == NULL) {
fprintf (stderr, "Warning: cannot apply tags to missing message: %s\n",
message_id);
/* We consider this a non-fatal error. */
return 0;
}
/* In order to detect missing messages, this check/optimization is
* intentionally done *after* first finding the message. */
if ((flags & TAG_FLAG_REMOVE_ALL) || tag_op_list_size (tag_ops))
ret = tag_op_list_apply (message, tag_ops, flags);
notmuch_message_destroy (message);
return ret;
}
/* Sup dump output is one line per message. We match a sequence of
* non-space characters for the message-id, then one or more
* spaces, then a list of space-separated tags as a sequence of
* characters within literal '(' and ')'. */
static int
parse_sup_line (void *ctx, char *line,
char **query_str, tag_op_list_t *tag_ops)
{
regmatch_t match[3];
char *file_tags;
int rerr;
tag_op_list_reset (tag_ops);
chomp_newline (line);
/* Silently ignore blank lines */
if (line[0] == '\0') {
return 1;
}
rerr = xregexec (®ex, line, 3, match, 0);
if (rerr == REG_NOMATCH) {
fprintf (stderr, "Warning: Ignoring invalid sup format line: %s\n",
line);
return 1;
}
*query_str = talloc_strndup_debug (ctx, line + match[1].rm_so,
match[1].rm_eo - match[1].rm_so);
file_tags = talloc_strndup_debug (ctx, line + match[2].rm_so,
match[2].rm_eo - match[2].rm_so);
char *tok = file_tags;
size_t tok_len = 0;
tag_op_list_reset (tag_ops);
while ((tok = strtok_len (tok + tok_len, " ", &tok_len)) != NULL) {
if (*(tok + tok_len) != '\0') {
*(tok + tok_len) = '\0';
tok_len++;
}
if (tag_op_list_append (tag_ops, tok, false))
return -1;
}
return 0;
}
int
notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
{
notmuch_database_t *notmuch;
bool accumulate = false;
tag_op_flag_t flags = 0;
tag_op_list_t *tag_ops;
const char *input_file_name = NULL;
const char *name_for_error = NULL;
gzFile input = NULL;
char *line = NULL;
void *line_ctx = NULL;
ssize_t line_len;
int ret = 0;
int opt_index;
int include = 0;
int input_format = DUMP_FORMAT_AUTO;
if (notmuch_database_open (notmuch_config_get_database_path (config),
NOTMUCH_DATABASE_MODE_READ_WRIT
|