static gboolean
receive_args_until_done(GIOChannel *chan, GHashTable *return_table,
GError **err) {
GIOStatus iostat;
GError *tmp_error = NULL;
guint numargs = 0;
while (1) {
gchar *line;
gsize term_pos;
/* if we are getting too many args, connection could be malicious */
if (numargs >= 20) {
g_set_error(err,
g_quark_from_static_string("malicious connection"),
0, "malicious connection");
return FALSE;
}
/* get the string */
iostat = g_io_channel_read_line(chan, &line, NULL,
&term_pos, &tmp_error);
if (iostat == G_IO_STATUS_ERROR || tmp_error != NULL) {
g_free(line);
if (tmp_error != NULL) {
g_propagate_error(err, tmp_error);
}
return FALSE;
}
else if (iostat == G_IO_STATUS_EOF) {
g_free(line);
g_set_error(err,
g_quark_from_static_string("connection closed"),
0, "connection closed");
return FALSE;
}
*(line+term_pos) = '\0';
if (strcmp("done", line) == 0) {
g_free(line);
break;
}
else {
gboolean parse_result;
parse_result = dropbox_client_util_command_parse_arg(line, return_table);
g_free(line);
if (FALSE == parse_result) {
g_set_error(err,
g_quark_from_static_string("parse error"),
0, "parse error");
return FALSE;
}
}
numargs += 1;
}
return TRUE;
}
static gboolean
handle_hook_server_input(GIOChannel *chan,
GIOCondition cond,
NautilusDropboxHookserv *hookserv) {
/*debug_enter(); */
/* we have some sweet macros defined that allow us to write this
async event handler like a microthread yeahh, watch out for context */
CRBEGIN(hookserv->hhsi.line);
while (1) {
hookserv->hhsi.command_args =
g_hash_table_new_full((GHashFunc) g_str_hash,
(GEqualFunc) g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_strfreev);
hookserv->hhsi.numargs = 0;
/* read the command name */
{
gchar *line;
CRREADLINE(hookserv->hhsi.line, chan, line);
hookserv->hhsi.command_name = dropbox_client_util_desanitize(line);
g_free(line);
}
/*debug("got a hook name: %s", hookserv->hhsi.command_name); */
/* now read each arg line (until a certain limit) until we receive "done" */
while (1) {
gchar *line;
/* if too many arguments, this connection seems malicious */
if (hookserv->hhsi.numargs >= 20) {
CRHALT;
}
CRREADLINE(hookserv->hhsi.line, chan, line);
if (strcmp("done", line) == 0) {
g_free(line);
break;
}
else {
gboolean parse_result;
parse_result =
dropbox_client_util_command_parse_arg(line,
hookserv->hhsi.command_args);
g_free(line);
if (FALSE == parse_result) {
debug("bad parse");
CRHALT;
}
}
hookserv->hhsi.numargs += 1;
}
{
HookData *hd;
hd = (HookData *)
g_hash_table_lookup(hookserv->dispatch_table,
hookserv->hhsi.command_name);
if (hd != NULL) {
(hd->hook)(hookserv->hhsi.command_args, hd->ud);
}
}
g_free(hookserv->hhsi.command_name);
g_hash_table_unref(hookserv->hhsi.command_args);
hookserv->hhsi.command_name = NULL;
hookserv->hhsi.command_args = NULL;
}
CREND;
}
