X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-insert.c;h=2207b1e808d34d48e95875851e9d57cdc7adcb57;hp=1228afaccec39fa6f1a8f255251457446dddf715;hb=2c3623703f4bd1dbe1d5ca47c4bf55e208db12b2;hpb=9439a1ec0cbb60e75925a5a17e8284fcaccf51df

diff --git a/notmuch-insert.c b/notmuch-insert.c
index 1228afac..2207b1e8 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -83,6 +83,116 @@ sync_dir (const char *dir)
     return ret;
 }
 
+/* Check the specified folder name does not contain a directory
+ * component ".." to prevent writes outside of the Maildir hierarchy. */
+static notmuch_bool_t
+check_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, succeeding if it already exists. */
+static notmuch_bool_t
+make_directory (char *path, int mode)
+{
+    notmuch_bool_t ret;
+    char *slash;
+
+    if (mkdir (path, mode) != 0)
+	return (errno == EEXIST);
+
+    /* Sync the parent directory for durability. */
+    ret = TRUE;
+    slash = strrchr (path, '/');
+    if (slash) {
+	*slash = '\0';
+	ret = sync_dir (path);
+	*slash = '/';
+    }
+    return ret;
+}
+
+/* Make the given directory including its parent directories as necessary.
+ * Return TRUE on success, FALSE on error. */
+static notmuch_bool_t
+make_directory_and_parents (char *path, int mode)
+{
+    struct stat st;
+    char *start;
+    char *end;
+    notmuch_bool_t ret;
+
+    /* First check the common case: directory already exists. */
+    if (stat (path, &st) == 0)
+	return S_ISDIR (st.st_mode) ? TRUE : FALSE;
+
+    for (start = path; *start != '\0'; start = end + 1) {
+	/* start points to the first unprocessed character.
+	 * Find the next slash from start onwards. */
+	end = strchr (start, '/');
+
+	/* If there are no more slashes then all the parent directories
+	 * have been made.  Now attempt to make the whole path. */
+	if (end == NULL)
+	    return make_directory (path, mode);
+
+	/* Make the path up to the next slash, unless the current
+	 * directory component is actually empty. */
+	if (end > start) {
+	    *end = '\0';
+	    ret = make_directory (path, mode);
+	    *end = '/';
+	    if (! ret)
+		return FALSE;
+	}
+    }
+
+    return TRUE;
+}
+
+/* Create the given maildir folder, i.e. dir and its subdirectories
+ * 'cur', 'new', 'tmp'. */
+static notmuch_bool_t
+maildir_create_folder (void *ctx, const char *dir)
+{
+    const int mode = 0700;
+    char *subdir;
+    char *tail;
+
+    /* Create 'cur' directory, including parent directories. */
+    subdir = talloc_asprintf (ctx, "%s/cur", dir);
+    if (! subdir) {
+	fprintf (stderr, "Out of memory.\n");
+	return FALSE;
+    }
+    if (! make_directory_and_parents (subdir, mode))
+	return FALSE;
+
+    tail = subdir + strlen (subdir) - 3;
+
+    /* Create 'new' directory. */
+    strcpy (tail, "new");
+    if (! make_directory (subdir, mode))
+	return FALSE;
+
+    /* Create 'tmp' directory. */
+    strcpy (tail, "tmp");
+    if (! make_directory (subdir, mode))
+	return FALSE;
+
+    talloc_free (subdir);
+    return TRUE;
+}
+
 /* Open a unique file in the 'tmp' sub-directory of dir.
  * Returns the file descriptor on success, or -1 on failure.
  * On success, file paths for the message in the 'tmp' and 'new'
@@ -288,11 +398,26 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
     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;
     const char *maildir;
-    int opt_index = 1;
+    int opt_index;
     unsigned int i;
     notmuch_bool_t ret;
 
+    notmuch_opt_desc_t options[] = {
+	{ NOTMUCH_OPT_STRING, &folder, "folder", 0, 0 },
+	{ NOTMUCH_OPT_BOOLEAN, &create_folder, "create-folder", 0, 0 },
+	{ NOTMUCH_OPT_END, 0, 0, 0, 0 }
+    };
+
+    opt_index = parse_arguments (argc, argv, options, 1);
+
+    if (opt_index < 0) {
+	/* diagnostics already printed */
+	return 1;
+    }
+
     db_path = notmuch_config_get_database_path (config);
     new_tags = notmuch_config_get_new_tags (config, &new_tags_length);
 
@@ -315,7 +440,24 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
 	return 1;
     }
 
-    maildir = db_path;
+    if (folder == NULL) {
+	maildir = db_path;
+    } else {
+	if (! check_folder_name (folder)) {
+	    fprintf (stderr, "Error: bad folder name: %s\n", folder);
+	    return 1;
+	}
+	maildir = talloc_asprintf (config, "%s/%s", db_path, folder);
+	if (! maildir) {
+	    fprintf (stderr, "Out of memory\n");
+	    return 1;
+	}
+	if (create_folder && ! maildir_create_folder (config, maildir)) {
+	    fprintf (stderr, "Error: creating maildir %s: %s\n",
+		     maildir, strerror (errno));
+	    return 1;
+	}
+    }
 
     /* Setup our handler for SIGINT. We do not set SA_RESTART so that copying
      * from standard input may be interrupted. */