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-rw-r--r--lib/crypto/c_src/crypto.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index c28ff8136c..30c8c2554d 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -538,16 +538,17 @@ static ERL_NIF_TERM atom_onbasis;
#define PRINTF_ERR1(FMT,A1)
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
-static int change_basename(char* buf, int bufsz, const char* newfile)
+static int change_basename(ErlNifBinary* bin, char* buf, int bufsz, const char* newfile)
{
- char* p = strrchr(buf, '/');
- p = (p == NULL) ? buf : p + 1;
+ const unsigned char* p = (unsigned char*)strrchr((char*)bin->data, '/');
+ int i = (p == NULL) ? 0 : (p+1) - bin->data;
- if ((p - buf) + strlen(newfile) >= bufsz) {
+ if (i + strlen(newfile) >= bufsz) {
PRINTF_ERR0("CRYPTO: lib name too long");
return 0;
}
- strcpy(p, newfile);
+ memcpy(buf, bin->data, i);
+ strcpy(buf+i, newfile);
return 1;
}
@@ -566,14 +567,15 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info)
int tpl_arity;
const ERL_NIF_TERM* tpl_array;
int vernum;
+ ErlNifBinary lib_bin;
char lib_buf[1000];
- /* load_info: {201, "/full/path/of/this/library"} */
+ /* load_info: {301, <<"/full/path/of/this/library">>} */
if (!enif_get_tuple(env, load_info, &tpl_arity, &tpl_array)
|| tpl_arity != 2
|| !enif_get_int(env, tpl_array[0], &vernum)
- || vernum != 201
- || enif_get_string(env, tpl_array[1], lib_buf, sizeof(lib_buf), ERL_NIF_LATIN1) <= 0) {
+ || vernum != 301
+ || !enif_inspect_binary(env, tpl_array[1], &lib_bin)) {
PRINTF_ERR1("CRYPTO: Invalid load_info '%T'", load_info);
return 0;
@@ -633,7 +635,7 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info)
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
{
void* handle;
- if (!change_basename(lib_buf, sizeof(lib_buf), "crypto_callback")) {
+ if (!change_basename(&lib_bin, lib_buf, sizeof(lib_buf), "crypto_callback")) {
return 0;
}
if (!(handle = enif_dlopen(lib_buf, &error_handler, NULL))) {