crypto/dso/dso_lib.c

63 #include <openssl/dso.h>
82 DSO_METHOD *DSO_get_method(DSO *dso)
84     return (dso->meth);
87 DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth)
90     mtmp = dso->meth;
91     dso->meth = meth;
132 int DSO_free(DSO *dso)
136     if (dso == NULL) {
141     i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
143     REF_PRINT("DSO", dso);
154     if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
159     if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
164     sk_void_free(dso->meth_data);
165     if (dso->filename != NULL)
166         OPENSSL_free(dso->filename);
167     if (dso->loaded_filename != NULL)
168         OPENSSL_free(dso->loaded_filename);
170     OPENSSL_free(dso);
174 int DSO_flags(DSO *dso)
176     return ((dso == NULL) ? 0 : dso->flags);
179 int DSO_up_ref(DSO *dso)
181     if (dso == NULL) {
186     CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
190 DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
195     if (dso == NULL) {
208         ret = dso;
215      * filename can only be NULL if we were passed a dso that already has one
244 void *DSO_bind_var(DSO *dso, const char *symname)
248     if ((dso == NULL) || (symname == NULL)) {
252     if (dso->meth->dso_bind_var == NULL) {
256     if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
264 DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname)
268     if ((dso == NULL) || (symname == NULL)) {
272     if (dso->meth->dso_bind_func == NULL) {
276     if ((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) {
293 long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
295     if (dso == NULL) {
305         return dso->flags;
307         dso->flags = (int)larg;
310         dso->flags |= (int)larg;
315     if ((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) {
319     return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
322 int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
325     if (dso == NULL) {
330         *oldcb = dso->name_converter;
331     dso->name_converter = cb;
335 const char *DSO_get_filename(DSO *dso)
337     if (dso == NULL) {
341     return (dso->filename);
344 int DSO_set_filename(DSO *dso, const char *filename)
348     if ((dso == NULL) || (filename == NULL)) {
352     if (dso->loaded_filename) {
363     if (dso->filename)
364         OPENSSL_free(dso->filename);
365     dso->filename = copied;
369 char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
373     if (dso == NULL || filespec1 == NULL) {
377     if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
378         if (dso->merger != NULL)
379             result = dso->merger(dso, filespec1, filespec2);
380         else if (dso->meth->dso_merger != NULL)
381             result = dso->meth->dso_merger(dso, filespec1, filespec2);
386 char *DSO_convert_filename(DSO *dso, const char *filename)
390     if (dso == NULL) {
395         filename = dso->filename;
400     if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
401         if (dso->name_converter != NULL)
402             result = dso->name_converter(dso, filename);
403         else if (dso->meth->dso_name_converter != NULL)
404             result = dso->meth->dso_name_converter(dso, filename);
417 const char *DSO_get_loaded_filename(DSO *dso)
419     if (dso == NULL) {
423     return (dso->loaded_filename);