mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-22 02:48:08 +01:00
0018a8d787
Unfortunately it seems trickier to support --config globally The non-trivial changes are in notmuch.c; most of the other changes consists of blindly inserting two lines into every subcommand.
579 lines
15 KiB
C
579 lines
15 KiB
C
/* notmuch - Not much of an email program, (just index and search)
|
|
*
|
|
* Copyright © 2013 Peter Wang
|
|
*
|
|
* Based in part on notmuch-deliver
|
|
* Copyright © 2010 Ali Polatel
|
|
*
|
|
* 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 http://www.gnu.org/licenses/ .
|
|
*
|
|
* Author: Peter Wang <novalazy@gmail.com>
|
|
*/
|
|
|
|
#include "notmuch-client.h"
|
|
#include "tag-util.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
static volatile sig_atomic_t interrupted;
|
|
|
|
static void
|
|
handle_sigint (unused (int sig))
|
|
{
|
|
static char msg[] = "Stopping... \n";
|
|
|
|
/* This write is "opportunistic", so it's okay to ignore the
|
|
* result. It is not required for correctness, and if it does
|
|
* fail or produce a short write, we want to get out of the signal
|
|
* handler as quickly as possible, not retry it. */
|
|
IGNORE_RESULT (write (2, msg, sizeof (msg) - 1));
|
|
interrupted = 1;
|
|
}
|
|
|
|
/* Like gethostname but guarantees that a null-terminated hostname is
|
|
* returned, even if it has to make one up. Invalid characters are
|
|
* substituted such that the hostname can be used within a filename.
|
|
*/
|
|
static void
|
|
safe_gethostname (char *hostname, size_t len)
|
|
{
|
|
char *p;
|
|
|
|
if (gethostname (hostname, len) == -1) {
|
|
strncpy (hostname, "unknown", len);
|
|
}
|
|
hostname[len - 1] = '\0';
|
|
|
|
for (p = hostname; *p != '\0'; p++) {
|
|
if (*p == '/' || *p == ':')
|
|
*p = '_';
|
|
}
|
|
}
|
|
|
|
/* Call fsync() on a directory path. */
|
|
static notmuch_bool_t
|
|
sync_dir (const char *dir)
|
|
{
|
|
int fd, r;
|
|
|
|
fd = open (dir, O_RDONLY);
|
|
if (fd == -1) {
|
|
fprintf (stderr, "Error: open %s: %s\n", dir, strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
r = fsync (fd);
|
|
if (r)
|
|
fprintf (stderr, "Error: fsync %s: %s\n", dir, strerror (errno));
|
|
|
|
close (fd);
|
|
|
|
return r == 0;
|
|
}
|
|
|
|
/*
|
|
* Check the specified folder name does not contain a directory
|
|
* component ".." to prevent writes outside of the Maildir
|
|
* hierarchy. Return TRUE on valid folder name, FALSE otherwise.
|
|
*/
|
|
static notmuch_bool_t
|
|
is_valid_folder_name (const char *folder)
|
|
{
|
|
const char *p = folder;
|
|
|
|
for (;;) {
|
|
if ((p[0] == '.') && (p[1] == '.') && (p[2] == '\0' || p[2] == '/'))
|
|
return FALSE;
|
|
p = strchr (p, '/');
|
|
if (!p)
|
|
return TRUE;
|
|
p++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Make the given directory and its parents as necessary, using the
|
|
* given mode. Return TRUE on success, FALSE otherwise. Partial
|
|
* results are not cleaned up on errors.
|
|
*/
|
|
static notmuch_bool_t
|
|
mkdir_recursive (const void *ctx, const char *path, int mode)
|
|
{
|
|
struct stat st;
|
|
int r;
|
|
char *parent = NULL, *slash;
|
|
|
|
/* First check the common case: directory already exists. */
|
|
r = stat (path, &st);
|
|
if (r == 0) {
|
|
if (! S_ISDIR (st.st_mode)) {
|
|
fprintf (stderr, "Error: '%s' is not a directory: %s\n",
|
|
path, strerror (EEXIST));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
} else if (errno != ENOENT) {
|
|
fprintf (stderr, "Error: stat '%s': %s\n", path, strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
/* mkdir parents, if any */
|
|
slash = strrchr (path, '/');
|
|
if (slash && slash != path) {
|
|
parent = talloc_strndup (ctx, path, slash - path);
|
|
if (! parent) {
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
return FALSE;
|
|
}
|
|
|
|
if (! mkdir_recursive (ctx, parent, mode))
|
|
return FALSE;
|
|
}
|
|
|
|
if (mkdir (path, mode)) {
|
|
fprintf (stderr, "Error: mkdir '%s': %s\n", path, strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
return parent ? sync_dir (parent) : TRUE;
|
|
}
|
|
|
|
/*
|
|
* Create the given maildir folder, i.e. maildir and its
|
|
* subdirectories cur/new/tmp. Return TRUE on success, FALSE
|
|
* otherwise. Partial results are not cleaned up on errors.
|
|
*/
|
|
static notmuch_bool_t
|
|
maildir_create_folder (const void *ctx, const char *maildir)
|
|
{
|
|
const char *subdirs[] = { "cur", "new", "tmp" };
|
|
const int mode = 0700;
|
|
char *subdir;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE (subdirs); i++) {
|
|
subdir = talloc_asprintf (ctx, "%s/%s", maildir, subdirs[i]);
|
|
if (! subdir) {
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
return FALSE;
|
|
}
|
|
|
|
if (! mkdir_recursive (ctx, subdir, mode))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Generate a temporary file basename, no path, do not create an
|
|
* actual file. Return the basename, or NULL on errors.
|
|
*/
|
|
static char *
|
|
tempfilename (const void *ctx)
|
|
{
|
|
char *filename;
|
|
char hostname[256];
|
|
struct timeval tv;
|
|
pid_t pid;
|
|
|
|
/* We follow the Dovecot file name generation algorithm. */
|
|
pid = getpid ();
|
|
safe_gethostname (hostname, sizeof (hostname));
|
|
gettimeofday (&tv, NULL);
|
|
|
|
filename = talloc_asprintf (ctx, "%ld.M%ldP%d.%s",
|
|
(long) tv.tv_sec, (long) tv.tv_usec, pid, hostname);
|
|
if (! filename)
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
|
|
return filename;
|
|
}
|
|
|
|
/*
|
|
* Create a unique temporary file in maildir/tmp, return fd and full
|
|
* path to file in *path_out, or -1 on errors (in which case *path_out
|
|
* is not touched).
|
|
*/
|
|
static int
|
|
maildir_mktemp (const void *ctx, const char *maildir, char **path_out)
|
|
{
|
|
char *filename, *path;
|
|
int fd;
|
|
|
|
do {
|
|
filename = tempfilename (ctx);
|
|
if (! filename)
|
|
return -1;
|
|
|
|
path = talloc_asprintf (ctx, "%s/tmp/%s", maildir, filename);
|
|
if (! path) {
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
return -1;
|
|
}
|
|
|
|
fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600);
|
|
} while (fd == -1 && errno == EEXIST);
|
|
|
|
if (fd == -1) {
|
|
fprintf (stderr, "Error: open '%s': %s\n", path, strerror (errno));
|
|
return -1;
|
|
}
|
|
|
|
*path_out = path;
|
|
|
|
return fd;
|
|
}
|
|
|
|
/*
|
|
* Copy fdin to fdout, return TRUE on success, and FALSE on errors and
|
|
* empty input.
|
|
*/
|
|
static notmuch_bool_t
|
|
copy_fd (int fdout, int fdin)
|
|
{
|
|
notmuch_bool_t empty = TRUE;
|
|
|
|
while (! interrupted) {
|
|
ssize_t remain;
|
|
char buf[4096];
|
|
char *p;
|
|
|
|
remain = read (fdin, buf, sizeof (buf));
|
|
if (remain == 0)
|
|
break;
|
|
if (remain < 0) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
fprintf (stderr, "Error: reading from standard input: %s\n",
|
|
strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
p = buf;
|
|
do {
|
|
ssize_t written = write (fdout, p, remain);
|
|
if (written < 0 && errno == EINTR)
|
|
continue;
|
|
if (written <= 0) {
|
|
fprintf (stderr, "Error: writing to temporary file: %s",
|
|
strerror (errno));
|
|
return FALSE;
|
|
}
|
|
p += written;
|
|
remain -= written;
|
|
empty = FALSE;
|
|
} while (remain > 0);
|
|
}
|
|
|
|
return (!interrupted && !empty);
|
|
}
|
|
|
|
/*
|
|
* Write fdin to a new temp file in maildir/tmp, return full path to
|
|
* the file, or NULL on errors.
|
|
*/
|
|
static char *
|
|
maildir_write_tmp (const void *ctx, int fdin, const char *maildir)
|
|
{
|
|
char *path;
|
|
int fdout;
|
|
|
|
fdout = maildir_mktemp (ctx, maildir, &path);
|
|
if (fdout < 0)
|
|
return NULL;
|
|
|
|
if (! copy_fd (fdout, fdin))
|
|
goto FAIL;
|
|
|
|
if (fsync (fdout)) {
|
|
fprintf (stderr, "Error: fsync '%s': %s\n", path, strerror (errno));
|
|
goto FAIL;
|
|
}
|
|
|
|
close (fdout);
|
|
|
|
return path;
|
|
|
|
FAIL:
|
|
close (fdout);
|
|
unlink (path);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Write fdin to a new file in maildir/new, using an intermediate temp
|
|
* file in maildir/tmp, return full path to the new file, or NULL on
|
|
* errors.
|
|
*/
|
|
static char *
|
|
maildir_write_new (const void *ctx, int fdin, const char *maildir)
|
|
{
|
|
char *cleanpath, *tmppath, *newpath, *newdir;
|
|
|
|
tmppath = maildir_write_tmp (ctx, fdin, maildir);
|
|
if (! tmppath)
|
|
return NULL;
|
|
cleanpath = tmppath;
|
|
|
|
newpath = talloc_strdup (ctx, tmppath);
|
|
if (! newpath) {
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
goto FAIL;
|
|
}
|
|
|
|
/* sanity checks needed? */
|
|
memcpy (newpath + strlen (maildir) + 1, "new", 3);
|
|
|
|
if (rename (tmppath, newpath)) {
|
|
fprintf (stderr, "Error: rename '%s' '%s': %s\n",
|
|
tmppath, newpath, strerror (errno));
|
|
goto FAIL;
|
|
}
|
|
cleanpath = newpath;
|
|
|
|
newdir = talloc_asprintf (ctx, "%s/%s", maildir, "new");
|
|
if (! newdir) {
|
|
fprintf (stderr, "Error: %s\n", strerror (ENOMEM));
|
|
goto FAIL;
|
|
}
|
|
|
|
if (! sync_dir (newdir))
|
|
goto FAIL;
|
|
|
|
return newpath;
|
|
|
|
FAIL:
|
|
unlink (cleanpath);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Add the specified message file to the notmuch database, applying
|
|
* tags in tag_ops. If synchronize_flags is TRUE, the tags are
|
|
* synchronized to maildir flags (which may result in message file
|
|
* rename).
|
|
*
|
|
* Return NOTMUCH_STATUS_SUCCESS on success, errors otherwise. If keep
|
|
* is TRUE, errors in tag changes and flag syncing are ignored and
|
|
* success status is returned; otherwise such errors cause the message
|
|
* to be removed from the database. Failure to add the message to the
|
|
* database results in error status regardless of keep.
|
|
*/
|
|
static notmuch_status_t
|
|
add_file (notmuch_database_t *notmuch, const char *path, tag_op_list_t *tag_ops,
|
|
notmuch_bool_t synchronize_flags, notmuch_bool_t keep)
|
|
{
|
|
notmuch_message_t *message;
|
|
notmuch_status_t status;
|
|
|
|
status = notmuch_database_add_message (notmuch, path, &message);
|
|
if (status == NOTMUCH_STATUS_SUCCESS) {
|
|
status = tag_op_list_apply (message, tag_ops, 0);
|
|
if (status) {
|
|
fprintf (stderr, "%s: failed to apply tags to file '%s': %s\n",
|
|
keep ? "Warning" : "Error",
|
|
path, notmuch_status_to_string (status));
|
|
goto DONE;
|
|
}
|
|
} else if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
|
|
status = NOTMUCH_STATUS_SUCCESS;
|
|
} else if (status == NOTMUCH_STATUS_FILE_NOT_EMAIL) {
|
|
fprintf (stderr, "Error: delivery of non-mail file: '%s'\n", path);
|
|
goto FAIL;
|
|
} else {
|
|
fprintf (stderr, "Error: failed to add '%s' to notmuch database: %s\n",
|
|
path, notmuch_status_to_string (status));
|
|
goto FAIL;
|
|
}
|
|
|
|
if (synchronize_flags) {
|
|
status = notmuch_message_tags_to_maildir_flags (message);
|
|
if (status != NOTMUCH_STATUS_SUCCESS)
|
|
fprintf (stderr, "%s: failed to sync tags to maildir flags for '%s': %s\n",
|
|
keep ? "Warning" : "Error",
|
|
path, notmuch_status_to_string (status));
|
|
|
|
/*
|
|
* Note: Unfortunately a failed maildir flag sync might
|
|
* already have renamed the file, in which case the cleanup
|
|
* path may fail.
|
|
*/
|
|
}
|
|
|
|
DONE:
|
|
notmuch_message_destroy (message);
|
|
|
|
if (status) {
|
|
if (keep) {
|
|
status = NOTMUCH_STATUS_SUCCESS;
|
|
} else {
|
|
notmuch_status_t cleanup_status;
|
|
|
|
cleanup_status = notmuch_database_remove_message (notmuch, path);
|
|
if (cleanup_status != NOTMUCH_STATUS_SUCCESS &&
|
|
cleanup_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
|
|
fprintf (stderr, "Warning: failed to remove '%s' from database "
|
|
"after errors: %s. Please run 'notmuch new' to fix.\n",
|
|
path, notmuch_status_to_string (cleanup_status));
|
|
}
|
|
}
|
|
}
|
|
|
|
FAIL:
|
|
return status;
|
|
}
|
|
|
|
int
|
|
notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
|
|
{
|
|
notmuch_status_t status, close_status;
|
|
notmuch_database_t *notmuch;
|
|
struct sigaction action;
|
|
const char *db_path;
|
|
const char **new_tags;
|
|
size_t new_tags_length;
|
|
tag_op_list_t *tag_ops;
|
|
char *query_string = NULL;
|
|
const char *folder = NULL;
|
|
notmuch_bool_t create_folder = FALSE;
|
|
notmuch_bool_t keep = FALSE;
|
|
notmuch_bool_t no_hooks = FALSE;
|
|
notmuch_bool_t synchronize_flags;
|
|
const char *maildir;
|
|
char *newpath;
|
|
int opt_index;
|
|
unsigned int i;
|
|
|
|
notmuch_opt_desc_t options[] = {
|
|
{ NOTMUCH_OPT_STRING, &folder, "folder", 0, 0 },
|
|
{ NOTMUCH_OPT_BOOLEAN, &create_folder, "create-folder", 0, 0 },
|
|
{ NOTMUCH_OPT_BOOLEAN, &keep, "keep", 0, 0 },
|
|
{ NOTMUCH_OPT_BOOLEAN, &no_hooks, "no-hooks", 'n', 0 },
|
|
{ NOTMUCH_OPT_INHERIT, (void *) ¬much_shared_options, NULL, 0, 0 },
|
|
{ NOTMUCH_OPT_END, 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]);
|
|
|
|
db_path = notmuch_config_get_database_path (config);
|
|
new_tags = notmuch_config_get_new_tags (config, &new_tags_length);
|
|
synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
|
|
|
|
tag_ops = tag_op_list_create (config);
|
|
if (tag_ops == NULL) {
|
|
fprintf (stderr, "Out of memory.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
for (i = 0; i < new_tags_length; i++) {
|
|
const char *error_msg;
|
|
|
|
error_msg = illegal_tag (new_tags[i], FALSE);
|
|
if (error_msg) {
|
|
fprintf (stderr, "Error: tag '%s' in new.tags: %s\n",
|
|
new_tags[i], error_msg);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (tag_op_list_append (tag_ops, new_tags[i], FALSE))
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (parse_tag_command_line (config, argc - opt_index, argv + opt_index,
|
|
&query_string, tag_ops))
|
|
return EXIT_FAILURE;
|
|
|
|
if (*query_string != '\0') {
|
|
fprintf (stderr, "Error: unexpected query string: %s\n", query_string);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (folder == NULL) {
|
|
maildir = db_path;
|
|
} else {
|
|
if (! is_valid_folder_name (folder)) {
|
|
fprintf (stderr, "Error: invalid folder name: '%s'\n", folder);
|
|
return EXIT_FAILURE;
|
|
}
|
|
maildir = talloc_asprintf (config, "%s/%s", db_path, folder);
|
|
if (! maildir) {
|
|
fprintf (stderr, "Out of memory\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (create_folder && ! maildir_create_folder (config, maildir))
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
/* Set up our handler for SIGINT. We do not set SA_RESTART so that copying
|
|
* from standard input may be interrupted. */
|
|
memset (&action, 0, sizeof (struct sigaction));
|
|
action.sa_handler = handle_sigint;
|
|
sigemptyset (&action.sa_mask);
|
|
action.sa_flags = 0;
|
|
sigaction (SIGINT, &action, NULL);
|
|
|
|
if (notmuch_database_open (notmuch_config_get_database_path (config),
|
|
NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
|
|
return EXIT_FAILURE;
|
|
|
|
/* Write the message to the Maildir new directory. */
|
|
newpath = maildir_write_new (config, STDIN_FILENO, maildir);
|
|
if (! newpath) {
|
|
notmuch_database_destroy (notmuch);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
/* Index the message. */
|
|
status = add_file (notmuch, newpath, tag_ops, synchronize_flags, keep);
|
|
|
|
/* Commit changes. */
|
|
close_status = notmuch_database_destroy (notmuch);
|
|
if (close_status) {
|
|
/* Hold on to the first error, if any. */
|
|
if (! status)
|
|
status = close_status;
|
|
fprintf (stderr, "%s: failed to commit database changes: %s\n",
|
|
keep ? "Warning" : "Error",
|
|
notmuch_status_to_string (close_status));
|
|
}
|
|
|
|
if (status) {
|
|
if (keep) {
|
|
status = NOTMUCH_STATUS_SUCCESS;
|
|
} else {
|
|
/* If maildir flag sync failed, this might fail. */
|
|
if (unlink (newpath)) {
|
|
fprintf (stderr, "Warning: failed to remove '%s' from maildir "
|
|
"after errors: %s. Please run 'notmuch new' to fix.\n",
|
|
newpath, strerror (errno));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! no_hooks && status == NOTMUCH_STATUS_SUCCESS) {
|
|
/* Ignore hook failures. */
|
|
notmuch_run_hook (db_path, "post-insert");
|
|
}
|
|
|
|
return status ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|