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backtrace->contains_function takes multiple names, speeding up whitelist check drastically

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This commit is contained in:
Martin Willi
2011-01-17 18:19:44 +01:00
parent ec8426a349
commit b94feb4b05
3 changed files with 16 additions and 26 deletions
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src/libstrongswan/utils/backtrace.c
+9 -5
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@@ -132,10 +132,11 @@ static void log_(private_backtrace_t *this, FILE *file, bool detailed)
/**
* Implementation of backtrace_t.contains_function
*/
static bool contains_function(private_backtrace_t *this, char *function)
static bool contains_function(private_backtrace_t *this,
char *function[], int count)
{
#ifdef HAVE_DLADDR
int i;
int i, j;
for (i = 0; i< this->frame_count; i++)
{
@@ -143,9 +144,12 @@ static bool contains_function(private_backtrace_t *this, char *function)
if (dladdr(this->frames[i], &info) && info.dli_sname)
{
if (streq(info.dli_sname, function))
for (j = 0; j < count; j++)
{
return TRUE;
if (streq(info.dli_sname, function[j]))
{
return TRUE;
}
}
}
}
@@ -179,7 +183,7 @@ backtrace_t *backtrace_create(int skip)
this->frame_count = frame_count;
this->public.log = (void(*)(backtrace_t*,FILE*,bool))log_;
this->public.contains_function = (bool(*)(backtrace_t*, char *function))contains_function;
this->public.contains_function = (bool(*)(backtrace_t*, char *function[], int count))contains_function;
this->public.destroy = (void(*)(backtrace_t*))destroy;
return &this->public;