*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "defs.h"
#include <glib.h>
+#include <glib/gi18n.h>
#include <clamav.h>
-#include "intl.h"
+#include "common/sylpheed.h"
+#include "common/version.h"
#include "plugin.h"
#include "utils.h"
#include "hooks.h"
#include "clamav_plugin.h"
-static gint hook_id;
+static guint hook_id;
+static MessageCallback message_callback;
static ClamAvConfig config;
{NULL, NULL, NULL, P_OTHER, NULL, NULL, NULL}
};
-#define IS_FIRST_PART_TEXT(info) \
- ((info->mime_type == MIME_TEXT || info->mime_type == MIME_TEXT_HTML || \
- info->mime_type == MIME_TEXT_ENRICHED) || \
- (info->mime_type == MIME_MULTIPART && info->content_type && \
- !strcasecmp(info->content_type, "multipart/alternative") && \
- (info->children && \
- (info->children->mime_type == MIME_TEXT || \
- info->children->mime_type == MIME_TEXT_HTML || \
- info->children->mime_type == MIME_TEXT_ENRICHED))))
+static struct cl_node *cl_database;
+struct scan_parameters {
+ gboolean is_infected;
+
+ struct cl_limits limits;
+ struct cl_node *root;
+ gboolean scan_archive;
+};
+
+static gboolean scan_func(GNode *node, gpointer data)
+{
+ struct scan_parameters *params = (struct scan_parameters *) data;
+ MimeInfo *mimeinfo = (MimeInfo *) node->data;
+ gchar *outfile;
+ int ret;
+ unsigned long int size;
+ const char *virname;
+
+ outfile = procmime_get_tmp_file_name(mimeinfo);
+ if (procmime_get_part(outfile, mimeinfo) < 0)
+ g_warning("Can't get the part of multipart message.");
+ else {
+ debug_print("Scanning %s\n", outfile);
+ if ((ret = cl_scanfile(outfile, &virname, &size, params->root,
+ ¶ms->limits, params->scan_archive)) == CL_VIRUS) {
+ params->is_infected = TRUE;
+ debug_print("Detected %s virus.\n", virname);
+ } else {
+ debug_print("No virus detected.\n");
+ if (ret != CL_CLEAN)
+ debug_print("Error: %s\n", cl_strerror(ret));
+ }
+
+ g_unlink(outfile);
+ }
+
+ return params->is_infected;
+}
static gboolean mail_filtering_hook(gpointer source, gpointer data)
{
MailFilteringData *mail_filtering_data = (MailFilteringData *) source;
MsgInfo *msginfo = mail_filtering_data->msginfo;
- gboolean is_infected = FALSE;
- FILE *fp;
MimeInfo *mimeinfo;
- MimeInfo *child;
- gchar *infile;
- gchar *outfile;
- gint scan_archive = 0;
- int ret, no;
- unsigned long int size;
- char *virname;
- struct cl_node *root = NULL;
- struct cl_limits limits;
+ struct scan_parameters params;
if (!config.clamav_enable)
return FALSE;
- fp = procmsg_open_message(msginfo);
- if (fp == NULL) {
- debug_print("failed to open message file");
- }
-
mimeinfo = procmime_scan_message(msginfo);
if (!mimeinfo) return FALSE;
- child = mimeinfo->children;
- if (!child || IS_FIRST_PART_TEXT(mimeinfo)) {
- procmime_mimeinfo_free_all(mimeinfo);
- return FALSE;
- }
-
debug_print("Scanning message %d for viruses\n", msginfo->msgnum);
+ if (message_callback != NULL)
+ message_callback(_("ClamAV: scanning message..."));
- if (IS_FIRST_PART_TEXT(child))
- child = child->next;
-
- infile = procmsg_get_message_file_path(msginfo);
-
+ params.is_infected = FALSE;
+ params.root = cl_database;
- if((ret = cl_loaddbdir(cl_retdbdir(), &root, &no))) {
- debug_print("cl_loaddbdir: %s\n", cl_perror(ret));
- exit(2);
- }
-
- debug_print("Loaded %d viruses.\n", no);
-
- cl_buildtrie(root);
-
- limits.maxfiles = 1000; /* max files */
- limits.maxfilesize = config.clamav_max_size * 1048576; /* maximum archived file size */
- limits.maxreclevel = 8; /* maximum recursion level */
+ params.limits.maxfiles = 1000; /* max files */
+ params.limits.maxfilesize = config.clamav_max_size * 1048576; /* maximum archived file size */
+ params.limits.maxreclevel = 8; /* maximum recursion level */
+ params.limits.maxratio = 200; /* maximal compression ratio */
+ params.limits.archivememlim = 0; /* disable memory limit for bzip2 scanner */
if (config.clamav_enable_arc)
- scan_archive = TRUE;
+ params.scan_archive = TRUE;
- while (child != NULL) {
- if (child->children || child->mime_type == MIME_MULTIPART) {
- child = procmime_mimeinfo_next(child);
- continue;
- }
- if(child->parent && child->parent->parent
- && !strcasecmp(child->parent->parent->content_type, "multipart/signed")
- && child->mime_type == MIME_TEXT) {
- /* this is the main text part of a signed message */
- child = procmime_mimeinfo_next(child);
- continue;
- }
- outfile = procmime_get_tmp_file_name(child);
- if (procmime_get_part(outfile, infile, child) < 0)
- g_warning("Can't get the part of multipart message.");
- else {
- debug_print("Scanning %s\n", outfile);
- if ((ret = cl_scanfile(outfile, &virname, &size, root,
- &limits, scan_archive)) == CL_VIRUS) {
- is_infected = TRUE;
- debug_print("Detected %s virus.\n", virname);
- } else {
- debug_print("No virus detected.\n");
- if (ret != CL_CLEAN)
- debug_print("Error: %s\n", cl_perror(ret));
- }
-
- unlink(outfile);
-
- if (is_infected) break;
- child = child->next;
- }
- }
+ g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, scan_func, ¶ms);
- if (is_infected) {
+ if (params.is_infected) {
if (config.clamav_recv_infected) {
FolderItem *clamav_save_folder;
}
}
- cl_freetrie(root);
- g_free(infile);
procmime_mimeinfo_free_all(mimeinfo);
- return is_infected;
+ return params.is_infected;
}
-#undef IS_FIRST_PART_TEXT
-
ClamAvConfig *clamav_get_config(void)
{
return &config;
prefs_file_close(pfile);
}
+void clamav_set_message_callback(MessageCallback callback)
+{
+ message_callback = callback;
+}
+
+int cl_build(struct cl_node *root);
+void cl_free(struct cl_node *root);
gint plugin_init(gchar **error)
{
+ gchar *rcpath;
+ int no, ret;
+ if ((sylpheed_get_version() > VERSION_NUMERIC)) {
+ *error = g_strdup("Your version of Sylpheed-Claws is newer than the version the ClamAV plugin was built with");
+ return -1;
+ }
+
+ if ((sylpheed_get_version() < MAKE_NUMERIC_VERSION(0, 9, 3, 86))) {
+ *error = g_strdup("Your version of Sylpheed-Claws is too old for the ClamAV plugin");
+ return -1;
+ }
+
hook_id = hooks_register_hook(MAIL_FILTERING_HOOKLIST, mail_filtering_hook, NULL);
if (hook_id == -1) {
*error = g_strdup("Failed to register mail filtering hook");
}
prefs_set_default(param);
- prefs_read_config(param, "ClamAV", COMMON_RC);
+ rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
+ prefs_read_config(param, "ClamAV", rcpath, NULL);
+ g_free(rcpath);
+
+ clamav_gtk_init();
+
+ if ((ret = cl_loaddbdir(cl_retdbdir(), &cl_database, &no))) {
+ debug_print("cl_loaddbdir: %s\n", cl_strerror(ret));
+ return -1;
+ }
+
+ debug_print("Database loaded (containing in total %d signatures)\n", no);
+
+ if((ret = cl_build(cl_database))) {
+ debug_print("Database initialization error: %s\n", cl_strerror(ret));
+ return -1;
+ }
debug_print("ClamAV plugin loaded\n");
{
hooks_unregister_hook(MAIL_FILTERING_HOOKLIST, hook_id);
g_free(config.clamav_save_folder);
-
+ cl_free(cl_database);
debug_print("ClamAV plugin unloaded\n");
}
const gchar *plugin_desc(void)
{
- return _("This plugin uses Clam AntiVirus to scan all message attachments "
- "that are received from a POP account.\n"
+ return _("This plugin uses Clam AntiVirus to scan all messages that are "
+ "received from an IMAP, LOCAL or POP account.\n"
"\n"
"When a message attachment is found to contain a virus it can be "
"deleted or saved in a specially designated folder.\n"
- "\n"
- "This plugin only contains the actual function for scanning "
- "and deleting or moving the message. You probably want to load "
- "the Gtk+ User Interface plugin too, otherwise you will have to "
- "manually write the plugin configuration.\n");
+ "\n");
}
const gchar *plugin_type(void)
{
- return "Common";
+ return "GTK2";
}