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Fix crashes in various GParamSpec creation functions

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Add NULL check and return after calls to g_param_spec_internal in GParamSpec
creation functions. This avoids glib crashing due to things like badly named
properties.

https://bugzilla.gnome.org/show_bug.cgi?id=707887
This commit is contained in:
Simon Feltman 2013-10-01 03:38:24 -07:00
parent 75bb906e5e
commit 2f57139b28
1 changed files with 52 additions and 0 deletions
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52
gobject/gparamspecs.c
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@ -1626,6 +1626,8 @@ g_param_spec_char (const gchar *name,
nick,
blurb,
flags);
if (cspec == NULL)
return NULL;
cspec->minimum = minimum;
cspec->maximum = maximum;
@ -1666,6 +1668,8 @@ g_param_spec_uchar (const gchar *name,
nick,
blurb,
flags);
if (uspec == NULL)
return NULL;
uspec->minimum = minimum;
uspec->maximum = maximum;
@ -1705,6 +1709,8 @@ g_param_spec_boolean (const gchar *name,
nick,
blurb,
flags);
if (bspec == NULL)
return NULL;
bspec->default_value = default_value;
@ -1745,6 +1751,8 @@ g_param_spec_int (const gchar *name,
nick,
blurb,
flags);
if (ispec == NULL)
return NULL;
ispec->minimum = minimum;
ispec->maximum = maximum;
@ -1787,6 +1795,8 @@ g_param_spec_uint (const gchar *name,
nick,
blurb,
flags);
if (uspec == NULL)
return NULL;
uspec->minimum = minimum;
uspec->maximum = maximum;
@ -1829,6 +1839,8 @@ g_param_spec_long (const gchar *name,
nick,
blurb,
flags);
if (lspec == NULL)
return NULL;
lspec->minimum = minimum;
lspec->maximum = maximum;
@ -1872,6 +1884,8 @@ g_param_spec_ulong (const gchar *name,
nick,
blurb,
flags);
if (uspec == NULL)
return NULL;
uspec->minimum = minimum;
uspec->maximum = maximum;
@ -1914,6 +1928,8 @@ g_param_spec_int64 (const gchar *name,
nick,
blurb,
flags);
if (lspec == NULL)
return NULL;
lspec->minimum = minimum;
lspec->maximum = maximum;
@ -1957,6 +1973,8 @@ g_param_spec_uint64 (const gchar *name,
nick,
blurb,
flags);
if (uspec == NULL)
return NULL;
uspec->minimum = minimum;
uspec->maximum = maximum;
@ -1995,6 +2013,8 @@ g_param_spec_unichar (const gchar *name,
nick,
blurb,
flags);
if (uspec == NULL)
return NULL;
uspec->default_value = default_value;
@ -2039,6 +2059,8 @@ g_param_spec_enum (const gchar *name,
nick,
blurb,
flags);
if (espec == NULL)
return NULL;
espec->enum_class = enum_class;
espec->default_value = default_value;
@ -2085,6 +2107,8 @@ g_param_spec_flags (const gchar *name,
nick,
blurb,
flags);
if (fspec == NULL)
return NULL;
fspec->flags_class = flags_class;
fspec->default_value = default_value;
@ -2127,6 +2151,8 @@ g_param_spec_float (const gchar *name,
nick,
blurb,
flags);
if (fspec == NULL)
return NULL;
fspec->minimum = minimum;
fspec->maximum = maximum;
@ -2170,6 +2196,8 @@ g_param_spec_double (const gchar *name,
nick,
blurb,
flags);
if (dspec == NULL)
return NULL;
dspec->minimum = minimum;
dspec->maximum = maximum;
@ -2204,6 +2232,9 @@ g_param_spec_string (const gchar *name,
nick,
blurb,
flags);
if (sspec == NULL)
return NULL;
g_free (sspec->default_value);
sspec->default_value = g_strdup (default_value);
@ -2241,6 +2272,9 @@ g_param_spec_param (const gchar *name,
nick,
blurb,
flags);
if (pspec == NULL)
return NULL;
G_PARAM_SPEC (pspec)->value_type = param_type;
return G_PARAM_SPEC (pspec);
@ -2278,6 +2312,9 @@ g_param_spec_boxed (const gchar *name,
nick,
blurb,
flags);
if (bspec == NULL)
return NULL;
G_PARAM_SPEC (bspec)->value_type = boxed_type;
return G_PARAM_SPEC (bspec);
@ -2309,6 +2346,9 @@ g_param_spec_pointer (const gchar *name,
nick,
blurb,
flags);
if (pspec == NULL)
return NULL;
return G_PARAM_SPEC (pspec);
}
@ -2344,6 +2384,8 @@ g_param_spec_gtype (const gchar *name,
nick,
blurb,
flags);
if (tspec == NULL)
return NULL;
tspec->is_a_type = is_a_type;
@ -2385,6 +2427,9 @@ g_param_spec_value_array (const gchar *name,
nick,
blurb,
flags);
if (aspec == NULL)
return NULL;
if (element_spec)
{
aspec->element_spec = g_param_spec_ref (element_spec);
@ -2425,6 +2470,9 @@ g_param_spec_object (const gchar *name,
nick,
blurb,
flags);
if (ospec == NULL)
return NULL;
G_PARAM_SPEC (ospec)->value_type = object_type;
return G_PARAM_SPEC (ospec);
@ -2466,6 +2514,8 @@ g_param_spec_override (const gchar *name,
pspec = g_param_spec_internal (G_TYPE_PARAM_OVERRIDE,
name, NULL, NULL,
overridden->flags);
if (pspec == NULL)
return NULL;
pspec->value_type = G_PARAM_SPEC_VALUE_TYPE (overridden);
G_PARAM_SPEC_OVERRIDE (pspec)->overridden = g_param_spec_ref (overridden);
@ -2513,6 +2563,8 @@ g_param_spec_variant (const gchar *name,
nick,
blurb,
flags);
if (vspec == NULL)
return NULL;
vspec->type = g_variant_type_copy (type);
if (default_value)