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gdbus-tool: Check return value of strrchr()

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Fixes a crash when invoking gdbus like:

$ gdbus emit --session -o / -s Foo

https://bugzilla.gnome.org/show_bug.cgi?id=682965
This commit is contained in:
Rui Matos
2012-08-29 19:18:45 +02:00
parent 5328f760ee
commit 88d181ef18
1 changed files with 6 additions and 0 deletions
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6
gio/gdbus-tool.c
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@@ -625,7 +625,13 @@ handle_emit (gint *argc,
g_printerr (_("Error: signal not specified.\n")); g_printerr (_("Error: signal not specified.\n"));
goto out; goto out;
} }
s = strrchr (opt_emit_signal, '.'); s = strrchr (opt_emit_signal, '.');
if (s == NULL)
{
g_printerr (_("Error: signal must be the fully-qualified name.\n"));
goto out;
}
signal_name = g_strdup (s + 1); signal_name = g_strdup (s + 1);
interface_name = g_strndup (opt_emit_signal, s - opt_emit_signal); interface_name = g_strndup (opt_emit_signal, s - opt_emit_signal);