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Clean up memory management when loading IMC/IMVs from files

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This commit is contained in:
Martin Willi 2012-11-14 11:17:36 +01:00
parent db9c8b6fba
commit cd74959465
5 changed files with 38 additions and 58 deletions
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51
src/libcharon/plugins/tnc_imc/tnc_imc.c
View File

@ -37,11 +37,6 @@ struct private_tnc_imc_t {
*/
imc_t public;
/**
* Path of loaded IMC
*/
char *path;
/**
* Name of loaded IMC
*/
@ -291,10 +286,10 @@ METHOD(imc_t, type_supported, bool,
for (i = 0; i < this->type_count; i++)
{
vid = this->supported_vids[i];
subtype = this->supported_subtypes[i];
vid = this->supported_vids[i];
subtype = this->supported_subtypes[i];
if ((vid == TNC_VENDORID_ANY && subtype == TNC_SUBTYPE_ANY) ||
if ((vid == TNC_VENDORID_ANY && subtype == TNC_SUBTYPE_ANY) ||
(vid == msg_vid && (subtype == TNC_SUBTYPE_ANY ||
subtype == msg_subtype)))
{
@ -307,13 +302,15 @@ METHOD(imc_t, type_supported, bool,
METHOD(imc_t, destroy, void,
private_tnc_imc_t *this)
{
dlclose(this->handle);
if (this->handle)
{
dlclose(this->handle);
}
this->mutex->destroy(this->mutex);
this->additional_ids->destroy(this->additional_ids);
free(this->supported_vids);
free(this->supported_subtypes);
free(this->name);
free(this->path);
free(this);
}
@ -335,9 +332,8 @@ imc_t* tnc_imc_create(char *name, char *path)
.set_message_types_long = _set_message_types_long,
.type_supported = _type_supported,
.destroy = _destroy,
},
.name = name,
.path = path,
},
.name = strdup(name),
.additional_ids = linked_list_create(),
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
);
@ -346,46 +342,43 @@ imc_t* tnc_imc_create(char *name, char *path)
if (!this->handle)
{
DBG1(DBG_TNC, "IMC \"%s\" failed to load: %s", name, dlerror());
free(this);
destroy(this);
return NULL;
}
this->public.initialize = dlsym(this->handle, "TNC_IMC_Initialize");
if (!this->public.initialize)
{
{
DBG1(DBG_TNC, "could not resolve TNC_IMC_Initialize in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}
this->public.notify_connection_change =
dlsym(this->handle, "TNC_IMC_NotifyConnectionChange");
this->public.begin_handshake = dlsym(this->handle, "TNC_IMC_BeginHandshake");
this->public.begin_handshake = dlsym(this->handle, "TNC_IMC_BeginHandshake");
if (!this->public.begin_handshake)
{
{
DBG1(DBG_TNC, "could not resolve TNC_IMC_BeginHandshake in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}
this->public.receive_message =
this->public.receive_message =
dlsym(this->handle, "TNC_IMC_ReceiveMessage");
this->public.receive_message_long =
this->public.receive_message_long =
dlsym(this->handle, "TNC_IMC_ReceiveMessageLong");
this->public.batch_ending =
this->public.batch_ending =
dlsym(this->handle, "TNC_IMC_BatchEnding");
this->public.terminate =
this->public.terminate =
dlsym(this->handle, "TNC_IMC_Terminate");
this->public.provide_bind_function =
this->public.provide_bind_function =
dlsym(this->handle, "TNC_IMC_ProvideBindFunction");
if (!this->public.provide_bind_function)
if (!this->public.provide_bind_function)
{
DBG1(DBG_TNC, "could not resolve TNC_IMC_ProvideBindFunction in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}

2
src/libcharon/plugins/tnc_imc/tnc_imc_manager.c
View File

@ -103,8 +103,6 @@ METHOD(imc_manager_t, load, bool,
imc = tnc_imc_create(name, path);
if (!imc)
{
free(name);
free(path);
return FALSE;
}
if (!add(this, imc))

31
src/libcharon/plugins/tnc_imv/tnc_imv.c
View File

@ -37,11 +37,6 @@ struct private_tnc_imv_t {
*/
imv_t public;
/**
* Path of loaded IMV
*/
char *path;
/**
* Name of loaded IMV
*/
@ -287,10 +282,10 @@ METHOD(imv_t, type_supported, bool,
for (i = 0; i < this->type_count; i++)
{
vid = this->supported_vids[i];
subtype = this->supported_subtypes[i];
vid = this->supported_vids[i];
subtype = this->supported_subtypes[i];
if ((vid == TNC_VENDORID_ANY && subtype == TNC_SUBTYPE_ANY) ||
if ((vid == TNC_VENDORID_ANY && subtype == TNC_SUBTYPE_ANY) ||
(vid == msg_vid && (subtype == TNC_SUBTYPE_ANY ||
subtype == msg_subtype)))
{
@ -303,13 +298,15 @@ METHOD(imv_t, type_supported, bool,
METHOD(imv_t, destroy, void,
private_tnc_imv_t *this)
{
dlclose(this->handle);
if (this->handle)
{
dlclose(this->handle);
}
this->mutex->destroy(this->mutex);
this->additional_ids->destroy_function(this->additional_ids, free);
free(this->supported_vids);
free(this->supported_subtypes);
free(this->name);
free(this->path);
free(this);
}
@ -332,8 +329,7 @@ imv_t* tnc_imv_create(char *name, char *path)
.type_supported = _type_supported,
.destroy = _destroy,
},
.name = name,
.path = path,
.name = strdup(name),
.additional_ids = linked_list_create(),
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
);
@ -342,7 +338,7 @@ imv_t* tnc_imv_create(char *name, char *path)
if (!this->handle)
{
DBG1(DBG_TNC, "IMV \"%s\" failed to load: %s", name, dlerror());
free(this);
destroy(this);
return NULL;
}
@ -351,8 +347,7 @@ imv_t* tnc_imv_create(char *name, char *path)
{
DBG1(DBG_TNC, "could not resolve TNC_IMV_Initialize in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}
this->public.notify_connection_change =
@ -363,8 +358,7 @@ imv_t* tnc_imv_create(char *name, char *path)
{
DBG1(DBG_TNC, "could not resolve TNC_IMV_SolicitRecommendation in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}
this->public.receive_message =
@ -381,8 +375,7 @@ imv_t* tnc_imv_create(char *name, char *path)
{
DBG1(DBG_TNC, "could not resolve TNC_IMV_ProvideBindFunction in %s: %s\n",
path, dlerror());
dlclose(this->handle);
free(this);
destroy(this);
return NULL;
}

2
src/libcharon/plugins/tnc_imv/tnc_imv_manager.c
View File

@ -119,8 +119,6 @@ METHOD(imv_manager_t, load, bool,
imv = tnc_imv_create(name, path);
if (!imv)
{
free(name);
free(path);
return FALSE;
}
if (!add(this, imv))

10
src/libtnccs/tnc/tnc.c
View File

@ -163,9 +163,7 @@ static bool load_imcvs_from_config(char *filename, bool is_imc)
}
/* copy the IMC/IMV name */
name = malloc(token.len + 1);
memcpy(name, token.ptr, token.len);
name[token.len] = '\0';
name = strndup(token.ptr, token.len);
/* advance to the IMC/IMV path and extract it */
if (!eat_whitespace(&line))
@ -180,9 +178,7 @@ static bool load_imcvs_from_config(char *filename, bool is_imc)
}
/* copy the IMC/IMV path */
path = malloc(token.len + 1);
memcpy(path, token.ptr, token.len);
path[token.len] = '\0';
path = strndup(token.ptr, token.len);
/* load and register an IMC/IMV instance */
if (is_imc)
@ -193,6 +189,8 @@ static bool load_imcvs_from_config(char *filename, bool is_imc)
{
success = tnc->imvs->load(tnc->imvs, name, path);
}
free(name);
free(path);
if (!success)
{
break;