mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 17:34:54 +01:00
b7345d277e
Part of providing extensibility via properties is to make sure that user data is not lost. Thus we need to be able to dump and restore properties.
416 lines
11 KiB
C
416 lines
11 KiB
C
/* 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 "string-util.h"
|
|
#include <zlib.h>
|
|
|
|
static int
|
|
database_dump_config (notmuch_database_t *notmuch, gzFile output)
|
|
{
|
|
notmuch_config_list_t *list;
|
|
int ret = EXIT_FAILURE;
|
|
char *buffer = NULL;
|
|
size_t buffer_size = 0;
|
|
|
|
if (print_status_database ("notmuch dump", notmuch,
|
|
notmuch_database_get_config_list (notmuch, NULL, &list)))
|
|
goto DONE;
|
|
|
|
for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) {
|
|
if (hex_encode (notmuch, notmuch_config_list_key (list),
|
|
&buffer, &buffer_size) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode config key %s\n",
|
|
notmuch_config_list_key (list));
|
|
goto DONE;
|
|
}
|
|
gzprintf (output, "#@ %s", buffer);
|
|
|
|
if (hex_encode (notmuch, notmuch_config_list_value (list),
|
|
&buffer, &buffer_size) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode config value %s\n",
|
|
notmuch_config_list_value (list) );
|
|
goto DONE;
|
|
}
|
|
|
|
gzprintf (output, " %s\n", buffer);
|
|
}
|
|
|
|
ret = EXIT_SUCCESS;
|
|
|
|
DONE:
|
|
if (list)
|
|
notmuch_config_list_destroy (list);
|
|
|
|
if (buffer)
|
|
talloc_free (buffer);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
print_dump_header (gzFile output, int output_format, int include)
|
|
{
|
|
const char *sep = "";
|
|
|
|
gzprintf (output, "#notmuch-dump %s:%d ",
|
|
(output_format == DUMP_FORMAT_SUP) ? "sup" : "batch-tag",
|
|
NOTMUCH_DUMP_VERSION);
|
|
|
|
if (include & DUMP_INCLUDE_CONFIG) {
|
|
gzputs (output, "config");
|
|
sep = ",";
|
|
}
|
|
if (include & DUMP_INCLUDE_PROPERTIES) {
|
|
gzprintf (output, "%sproperties", sep);
|
|
sep = ",";
|
|
}
|
|
if (include & DUMP_INCLUDE_TAGS) {
|
|
gzprintf (output, "%sproperties", sep);
|
|
}
|
|
gzputs (output, "\n");
|
|
}
|
|
|
|
static int
|
|
dump_properties_message (void *ctx,
|
|
notmuch_message_t *message,
|
|
gzFile output,
|
|
char **buffer_p, size_t *size_p)
|
|
{
|
|
const char *message_id;
|
|
notmuch_message_properties_t *list;
|
|
notmuch_bool_t first = TRUE;
|
|
|
|
message_id = notmuch_message_get_message_id (message);
|
|
|
|
if (strchr (message_id, '\n')) {
|
|
fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
|
|
return 0;
|
|
}
|
|
|
|
for (list = notmuch_message_get_properties (message, "", FALSE);
|
|
notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
|
|
const char *key, *val;
|
|
|
|
if (first) {
|
|
if (hex_encode (ctx, message_id, buffer_p, size_p) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode message-id %s\n", message_id);
|
|
return 1;
|
|
}
|
|
gzprintf (output, "#= %s", *buffer_p);
|
|
first = FALSE;
|
|
}
|
|
|
|
key = notmuch_message_properties_key (list);
|
|
val = notmuch_message_properties_value (list);
|
|
|
|
if (hex_encode (ctx, key, buffer_p, size_p) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode key %s\n", key);
|
|
return 1;
|
|
}
|
|
gzprintf (output, " %s", *buffer_p);
|
|
|
|
if (hex_encode (ctx, val, buffer_p, size_p) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode value %s\n", val);
|
|
return 1;
|
|
}
|
|
gzprintf (output, "=%s", *buffer_p);
|
|
}
|
|
notmuch_message_properties_destroy (list);
|
|
|
|
if (! first)
|
|
gzprintf (output, "\n", *buffer_p);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
dump_tags_message (void *ctx,
|
|
notmuch_message_t *message, int output_format,
|
|
gzFile output,
|
|
char **buffer_p, size_t *size_p)
|
|
{
|
|
int first = 1;
|
|
const char *message_id;
|
|
|
|
message_id = notmuch_message_get_message_id (message);
|
|
|
|
if (output_format == DUMP_FORMAT_BATCH_TAG &&
|
|
strchr (message_id, '\n')) {
|
|
/* This will produce a line break in the output, which
|
|
* would be difficult to handle in tools. However, it's
|
|
* also impossible to produce an email containing a line
|
|
* break in a message ID because of unfolding, so we can
|
|
* safely disallow it. */
|
|
fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
if (output_format == DUMP_FORMAT_SUP) {
|
|
gzprintf (output, "%s (", message_id);
|
|
}
|
|
|
|
for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
|
|
notmuch_tags_valid (tags);
|
|
notmuch_tags_move_to_next (tags)) {
|
|
const char *tag_str = notmuch_tags_get (tags);
|
|
|
|
if (! first)
|
|
gzputs (output, " ");
|
|
|
|
first = 0;
|
|
|
|
if (output_format == DUMP_FORMAT_SUP) {
|
|
gzputs (output, tag_str);
|
|
} else {
|
|
if (hex_encode (ctx, tag_str,
|
|
buffer_p, size_p) != HEX_SUCCESS) {
|
|
fprintf (stderr, "Error: failed to hex-encode tag %s\n",
|
|
tag_str);
|
|
return EXIT_FAILURE;
|
|
}
|
|
gzprintf (output, "+%s", *buffer_p);
|
|
}
|
|
}
|
|
|
|
if (output_format == DUMP_FORMAT_SUP) {
|
|
gzputs (output, ")\n");
|
|
} else {
|
|
if (make_boolean_term (ctx, "id", message_id,
|
|
buffer_p, size_p)) {
|
|
fprintf (stderr, "Error quoting message id %s: %s\n",
|
|
message_id, strerror (errno));
|
|
return EXIT_FAILURE;
|
|
}
|
|
gzprintf (output, " -- %s\n", *buffer_p);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
database_dump_file (notmuch_database_t *notmuch, gzFile output,
|
|
const char *query_str, int output_format, int include)
|
|
{
|
|
notmuch_query_t *query;
|
|
notmuch_messages_t *messages;
|
|
notmuch_message_t *message;
|
|
notmuch_status_t status;
|
|
char *buffer = NULL;
|
|
size_t buffer_size = 0;
|
|
|
|
print_dump_header (output, output_format, include);
|
|
|
|
if (include & DUMP_INCLUDE_CONFIG) {
|
|
if (print_status_database ("notmuch dump", notmuch,
|
|
database_dump_config(notmuch,output)))
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (! (include & (DUMP_INCLUDE_TAGS | DUMP_INCLUDE_PROPERTIES)))
|
|
return EXIT_SUCCESS;
|
|
|
|
if (! query_str)
|
|
query_str = "";
|
|
|
|
query = notmuch_query_create (notmuch, query_str);
|
|
if (query == NULL) {
|
|
fprintf (stderr, "Out of memory\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
/* Don't ask xapian to sort by Message-ID. Xapian optimizes returning the
|
|
* first results quickly at the expense of total time.
|
|
*/
|
|
notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
|
|
|
|
status = notmuch_query_search_messages_st (query, &messages);
|
|
if (print_status_query ("notmuch dump", query, status))
|
|
return EXIT_FAILURE;
|
|
|
|
for (;
|
|
notmuch_messages_valid (messages);
|
|
notmuch_messages_move_to_next (messages)) {
|
|
|
|
message = notmuch_messages_get (messages);
|
|
|
|
if (dump_tags_message (notmuch, message, output_format, output,
|
|
&buffer, &buffer_size))
|
|
return EXIT_FAILURE;
|
|
|
|
if ((include & DUMP_INCLUDE_PROPERTIES) &&
|
|
dump_properties_message (notmuch, message, output,
|
|
&buffer, &buffer_size))
|
|
return EXIT_FAILURE;
|
|
|
|
notmuch_message_destroy (message);
|
|
}
|
|
|
|
notmuch_query_destroy (query);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
/* Dump database into output_file_name if it's non-NULL, stdout
|
|
* otherwise.
|
|
*/
|
|
int
|
|
notmuch_database_dump (notmuch_database_t *notmuch,
|
|
const char *output_file_name,
|
|
const char *query_str,
|
|
dump_format_t output_format,
|
|
dump_include_t include,
|
|
notmuch_bool_t gzip_output)
|
|
{
|
|
gzFile output = NULL;
|
|
const char *mode = gzip_output ? "w9" : "wT";
|
|
const char *name_for_error = output_file_name ? output_file_name : "stdout";
|
|
|
|
char *tempname = NULL;
|
|
int outfd = -1;
|
|
|
|
int ret = -1;
|
|
|
|
if (output_file_name) {
|
|
tempname = talloc_asprintf (notmuch, "%s.XXXXXX", output_file_name);
|
|
outfd = mkstemp (tempname);
|
|
} else {
|
|
outfd = dup (STDOUT_FILENO);
|
|
}
|
|
|
|
if (outfd < 0) {
|
|
fprintf (stderr, "Bad output file %s\n", name_for_error);
|
|
goto DONE;
|
|
}
|
|
|
|
output = gzdopen (outfd, mode);
|
|
|
|
if (output == NULL) {
|
|
fprintf (stderr, "Error opening %s for (gzip) writing: %s\n",
|
|
name_for_error, strerror (errno));
|
|
if (close (outfd))
|
|
fprintf (stderr, "Error closing %s during shutdown: %s\n",
|
|
name_for_error, strerror (errno));
|
|
goto DONE;
|
|
}
|
|
|
|
ret = database_dump_file (notmuch, output, query_str, output_format, include);
|
|
if (ret) goto DONE;
|
|
|
|
ret = gzflush (output, Z_FINISH);
|
|
if (ret) {
|
|
fprintf (stderr, "Error flushing output: %s\n", gzerror (output, NULL));
|
|
goto DONE;
|
|
}
|
|
|
|
if (output_file_name) {
|
|
ret = fsync (outfd);
|
|
if (ret) {
|
|
fprintf (stderr, "Error syncing %s to disk: %s\n",
|
|
name_for_error, strerror (errno));
|
|
goto DONE;
|
|
}
|
|
}
|
|
|
|
if (gzclose_w (output) != Z_OK) {
|
|
fprintf (stderr, "Error closing %s: %s\n", name_for_error,
|
|
gzerror (output, NULL));
|
|
ret = EXIT_FAILURE;
|
|
output = NULL;
|
|
goto DONE;
|
|
}
|
|
|
|
if (output_file_name) {
|
|
ret = rename (tempname, output_file_name);
|
|
if (ret) {
|
|
fprintf (stderr, "Error renaming %s to %s: %s\n",
|
|
tempname, output_file_name, strerror (errno));
|
|
goto DONE;
|
|
}
|
|
|
|
}
|
|
DONE:
|
|
if (ret != EXIT_SUCCESS && output)
|
|
(void) gzclose_w (output);
|
|
|
|
if (ret != EXIT_SUCCESS && output_file_name)
|
|
(void) unlink (tempname);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
notmuch_dump_command (notmuch_config_t *config, int argc, char *argv[])
|
|
{
|
|
notmuch_database_t *notmuch;
|
|
const char *query_str = NULL;
|
|
int ret;
|
|
|
|
if (notmuch_database_open (notmuch_config_get_database_path (config),
|
|
NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
|
|
return EXIT_FAILURE;
|
|
|
|
notmuch_exit_if_unmatched_db_uuid (notmuch);
|
|
|
|
char *output_file_name = NULL;
|
|
int opt_index;
|
|
|
|
int output_format = DUMP_FORMAT_BATCH_TAG;
|
|
int include = 0;
|
|
notmuch_bool_t gzip_output = 0;
|
|
|
|
notmuch_opt_desc_t options[] = {
|
|
{ NOTMUCH_OPT_KEYWORD, &output_format, "format", 'f',
|
|
(notmuch_keyword_t []){ { "sup", DUMP_FORMAT_SUP },
|
|
{ "batch-tag", DUMP_FORMAT_BATCH_TAG },
|
|
{ 0, 0 } } },
|
|
{ NOTMUCH_OPT_KEYWORD_FLAGS, &include, "include", 'I',
|
|
(notmuch_keyword_t []){ { "config", DUMP_INCLUDE_CONFIG },
|
|
{ "properties", DUMP_INCLUDE_PROPERTIES },
|
|
{ "tags", DUMP_INCLUDE_TAGS} } },
|
|
{ NOTMUCH_OPT_STRING, &output_file_name, "output", 'o', 0 },
|
|
{ NOTMUCH_OPT_BOOLEAN, &gzip_output, "gzip", 'z', 0 },
|
|
{ NOTMUCH_OPT_INHERIT, (void *) ¬much_shared_options, NULL, 0, 0 },
|
|
{ 0, 0, 0, 0, 0 }
|
|
};
|
|
|
|
opt_index = parse_arguments (argc, argv, options, 1);
|
|
if (opt_index < 0)
|
|
return EXIT_FAILURE;
|
|
|
|
notmuch_process_shared_options (argv[0]);
|
|
|
|
if (include == 0)
|
|
include = DUMP_INCLUDE_CONFIG | DUMP_INCLUDE_TAGS | DUMP_INCLUDE_PROPERTIES;
|
|
|
|
if (opt_index < argc) {
|
|
query_str = query_string_from_args (notmuch, argc - opt_index, argv + opt_index);
|
|
if (query_str == NULL) {
|
|
fprintf (stderr, "Out of memory.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
ret = notmuch_database_dump (notmuch, output_file_name, query_str,
|
|
output_format, include, gzip_output);
|
|
|
|
notmuch_database_destroy (notmuch);
|
|
|
|
return ret;
|
|
}
|