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dbus: Use strdup instead of malloc+strncpy

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This commit is contained in:
Jouni Malinen 2010-01-01 14:15:12 +02:00
parent 04551ee6d6
commit 4292b01322
2 changed files with 17 additions and 50 deletions
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50
wpa_supplicant/dbus/dbus_new_helpers.c
View File

@ -673,7 +673,7 @@ int wpa_dbus_method_register(struct wpa_dbus_object_desc *obj_dsc,
struct wpa_dbus_method_desc *method_dsc = obj_dsc->methods; struct wpa_dbus_method_desc *method_dsc = obj_dsc->methods;
struct wpa_dbus_method_desc *prev_desc; struct wpa_dbus_method_desc *prev_desc;
int args_num = 0; int args_num = 0;
int interface_len, method_len, i, len, error; int i, error;
prev_desc = NULL; prev_desc = NULL;
while (method_dsc) { while (method_dsc) {
@ -698,38 +698,30 @@ int wpa_dbus_method_register(struct wpa_dbus_object_desc *obj_dsc,
prev_desc->next = method_dsc; prev_desc->next = method_dsc;
/* copy interface name */ /* copy interface name */
interface_len = os_strlen(dbus_interface) + 1; method_dsc->dbus_interface = os_strdup(dbus_interface);
method_dsc->dbus_interface = os_malloc(interface_len);
if (!method_dsc->dbus_interface) if (!method_dsc->dbus_interface)
goto err; goto err;
os_strncpy(method_dsc->dbus_interface, dbus_interface, interface_len);
/* copy method name */ /* copy method name */
method_len = os_strlen(dbus_method) + 1; method_dsc->dbus_method = os_strdup(dbus_method);
method_dsc->dbus_method = os_malloc(method_len);
if (!method_dsc->dbus_method) if (!method_dsc->dbus_method)
goto err; goto err;
os_strncpy(method_dsc->dbus_method, dbus_method, method_len);
/* copy arguments */ /* copy arguments */
error = 0; error = 0;
method_dsc->args_num = args_num; method_dsc->args_num = args_num;
for (i = 0; i < args_num; i++) { for (i = 0; i < args_num; i++) {
len = os_strlen(args[i].name) + 1; method_dsc->args[i].name = os_strdup(args[i].name);
method_dsc->args[i].name = os_malloc(len);
if (!method_dsc->args[i].name) { if (!method_dsc->args[i].name) {
error = 1; error = 1;
continue; continue;
} }
os_strncpy(method_dsc->args[i].name, args[i].name, len);
len = os_strlen(args[i].type) + 1; method_dsc->args[i].type = os_strdup(args[i].type);
method_dsc->args[i].type = os_malloc(len);
if (!method_dsc->args[i].type) { if (!method_dsc->args[i].type) {
error = 1; error = 1;
continue; continue;
} }
os_strncpy(method_dsc->args[i].type, args[i].type, len);
method_dsc->args[i].dir = args[i].dir; method_dsc->args[i].dir = args[i].dir;
} }
@ -787,7 +779,7 @@ int wpa_dbus_signal_register(struct wpa_dbus_object_desc *obj_dsc,
struct wpa_dbus_signal_desc *signal_dsc = obj_dsc->signals; struct wpa_dbus_signal_desc *signal_dsc = obj_dsc->signals;
struct wpa_dbus_signal_desc *prev_desc; struct wpa_dbus_signal_desc *prev_desc;
int args_num = 0; int args_num = 0;
int interface_len, signal_len, i, len, error = 0; int i, error = 0;
prev_desc = NULL; prev_desc = NULL;
while (signal_dsc) { while (signal_dsc) {
@ -812,37 +804,29 @@ int wpa_dbus_signal_register(struct wpa_dbus_object_desc *obj_dsc,
prev_desc->next = signal_dsc; prev_desc->next = signal_dsc;
/* copy interface name */ /* copy interface name */
interface_len = strlen(dbus_interface) + 1; signal_dsc->dbus_interface = os_strdup(dbus_interface);
signal_dsc->dbus_interface = os_malloc(interface_len);
if (!signal_dsc->dbus_interface) if (!signal_dsc->dbus_interface)
goto err; goto err;
os_strncpy(signal_dsc->dbus_interface, dbus_interface, interface_len);
/* copy signal name */ /* copy signal name */
signal_len = strlen(dbus_signal) + 1; signal_dsc->dbus_signal = os_strdup(dbus_signal);
signal_dsc->dbus_signal = os_malloc(signal_len);
if (!signal_dsc->dbus_signal) if (!signal_dsc->dbus_signal)
goto err; goto err;
os_strncpy(signal_dsc->dbus_signal, dbus_signal, signal_len);
/* copy arguments */ /* copy arguments */
signal_dsc->args_num = args_num; signal_dsc->args_num = args_num;
for (i = 0; i < args_num; i++) { for (i = 0; i < args_num; i++) {
len = os_strlen(args[i].name) + 1; signal_dsc->args[i].name = os_strdup(args[i].name);
signal_dsc->args[i].name = os_malloc(len);
if (!signal_dsc->args[i].name) { if (!signal_dsc->args[i].name) {
error = 1; error = 1;
continue; continue;
} }
os_strncpy(signal_dsc->args[i].name, args[i].name, len);
len = strlen(args[i].type) + 1; signal_dsc->args[i].type = os_strdup(args[i].type);
signal_dsc->args[i].type = os_malloc(len);
if (!signal_dsc->args[i].type) { if (!signal_dsc->args[i].type) {
error = 1; error = 1;
continue; continue;
} }
os_strncpy(signal_dsc->args[i].type, args[i].type, len);
} }
if (error) if (error)
goto err; goto err;
@ -901,7 +885,6 @@ int wpa_dbus_property_register(struct wpa_dbus_object_desc *obj_dsc,
{ {
struct wpa_dbus_property_desc *property_dsc = obj_dsc->properties; struct wpa_dbus_property_desc *property_dsc = obj_dsc->properties;
struct wpa_dbus_property_desc *prev_desc; struct wpa_dbus_property_desc *prev_desc;
int interface_len, property_len, type_len;
prev_desc = NULL; prev_desc = NULL;
while (property_dsc) { while (property_dsc) {
@ -919,26 +902,19 @@ int wpa_dbus_property_register(struct wpa_dbus_object_desc *obj_dsc,
prev_desc->next = property_dsc; prev_desc->next = property_dsc;
/* copy interface name */ /* copy interface name */
interface_len = os_strlen(dbus_interface) + 1; property_dsc->dbus_interface = os_strdup(dbus_interface);
property_dsc->dbus_interface = os_malloc(interface_len);
if (!property_dsc->dbus_interface) if (!property_dsc->dbus_interface)
goto err; goto err;
os_strncpy(property_dsc->dbus_interface, dbus_interface,
interface_len);
/* copy property name */ /* copy property name */
property_len = os_strlen(dbus_property) + 1; property_dsc->dbus_property = os_strdup(dbus_property);
property_dsc->dbus_property = os_malloc(property_len);
if (!property_dsc->dbus_property) if (!property_dsc->dbus_property)
goto err; goto err;
os_strncpy(property_dsc->dbus_property, dbus_property, property_len);
/* copy property type */ /* copy property type */
type_len = os_strlen(type) + 1; property_dsc->type = os_strdup(type);
property_dsc->type = os_malloc(type_len);
if (!property_dsc->type) if (!property_dsc->type)
goto err; goto err;
os_strncpy(property_dsc->type, type, type_len);
property_dsc->getter = getter; property_dsc->getter = getter;
property_dsc->setter = setter; property_dsc->setter = setter;

17
wpa_supplicant/dbus/dbus_new_introspect.c
View File

@ -46,7 +46,6 @@ static struct interfaces * extract_interfaces(
struct wpa_dbus_property_desc *property_dsc = obj_dsc->properties; struct wpa_dbus_property_desc *property_dsc = obj_dsc->properties;
struct interfaces *head = NULL; struct interfaces *head = NULL;
struct interfaces *iface, *last; struct interfaces *iface, *last;
int len;
/* extract interfaces from methods */ /* extract interfaces from methods */
while (method_dsc) { while (method_dsc) {
@ -79,8 +78,7 @@ static struct interfaces * extract_interfaces(
else else
head = iface; head = iface;
len = os_strlen(method_dsc->dbus_interface) + 1; iface->dbus_interface = os_strdup(method_dsc->dbus_interface);
iface->dbus_interface = os_malloc(len);
if (!iface->dbus_interface) { if (!iface->dbus_interface) {
wpa_printf(MSG_ERROR, "Not enough memory to create " wpa_printf(MSG_ERROR, "Not enough memory to create "
"interface introspection data (interface " "interface introspection data (interface "
@ -88,8 +86,6 @@ static struct interfaces * extract_interfaces(
method_dsc = method_dsc->next; method_dsc = method_dsc->next;
continue; continue;
} }
os_strncpy(iface->dbus_interface, method_dsc->dbus_interface,
len);
iface->interface_node = xmlNewChild(root_node, NULL, iface->interface_node = xmlNewChild(root_node, NULL,
BAD_CAST "interface", BAD_CAST "interface",
@ -131,8 +127,7 @@ static struct interfaces * extract_interfaces(
else else
head = iface; head = iface;
len = os_strlen(signal_dsc->dbus_interface) + 1; iface->dbus_interface = os_strdup(signal_dsc->dbus_interface);
iface->dbus_interface = os_malloc(len);
if (!iface->dbus_interface) { if (!iface->dbus_interface) {
wpa_printf(MSG_ERROR, "Not enough memory to create " wpa_printf(MSG_ERROR, "Not enough memory to create "
"interface introspection data (interface " "interface introspection data (interface "
@ -140,8 +135,6 @@ static struct interfaces * extract_interfaces(
signal_dsc = signal_dsc->next; signal_dsc = signal_dsc->next;
continue; continue;
} }
os_strncpy(iface->dbus_interface, signal_dsc->dbus_interface,
len);
iface->interface_node = xmlNewChild(root_node, NULL, iface->interface_node = xmlNewChild(root_node, NULL,
BAD_CAST "interface", BAD_CAST "interface",
@ -183,8 +176,8 @@ static struct interfaces * extract_interfaces(
else else
head = iface; head = iface;
len = os_strlen(property_dsc->dbus_interface) + 1; iface->dbus_interface =
iface->dbus_interface = os_malloc(len); os_strdup(property_dsc->dbus_interface);
if (!iface->dbus_interface) { if (!iface->dbus_interface) {
wpa_printf(MSG_ERROR, "Not enough memory to create " wpa_printf(MSG_ERROR, "Not enough memory to create "
"interface introspection data (interface " "interface introspection data (interface "
@ -192,8 +185,6 @@ static struct interfaces * extract_interfaces(
property_dsc = property_dsc->next; property_dsc = property_dsc->next;
continue; continue;
} }
os_strncpy(iface->dbus_interface, property_dsc->dbus_interface,
len);
iface->interface_node = xmlNewChild(root_node, NULL, iface->interface_node = xmlNewChild(root_node, NULL,
BAD_CAST "interface", BAD_CAST "interface",