diff options
Diffstat (limited to 'lib/libcrypto/dso/dso_lib.c')
-rw-r--r-- | lib/libcrypto/dso/dso_lib.c | 562 |
1 files changed, 274 insertions, 288 deletions
diff --git a/lib/libcrypto/dso/dso_lib.c b/lib/libcrypto/dso/dso_lib.c index 2f77242d475..1ee4e45dce4 100644 --- a/lib/libcrypto/dso/dso_lib.c +++ b/lib/libcrypto/dso/dso_lib.c @@ -10,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -63,230 +63,223 @@ static DSO_METHOD *default_DSO_meth = NULL; -DSO *DSO_new(void) - { - return(DSO_new_method(NULL)); - } +DSO * +DSO_new(void) +{ + return (DSO_new_method(NULL)); +} -void DSO_set_default_method(DSO_METHOD *meth) - { +void +DSO_set_default_method(DSO_METHOD *meth) +{ default_DSO_meth = meth; - } - -DSO_METHOD *DSO_get_default_method(void) - { - return(default_DSO_meth); - } - -DSO_METHOD *DSO_get_method(DSO *dso) - { - return(dso->meth); - } - -DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth) - { +} + +DSO_METHOD * +DSO_get_default_method(void) +{ + return (default_DSO_meth); +} + +DSO_METHOD * +DSO_get_method(DSO *dso) +{ + return (dso->meth); +} + +DSO_METHOD * +DSO_set_method(DSO *dso, DSO_METHOD *meth) +{ DSO_METHOD *mtmp; + mtmp = dso->meth; dso->meth = meth; - return(mtmp); - } + return (mtmp); +} -DSO *DSO_new_method(DSO_METHOD *meth) - { +DSO * +DSO_new_method(DSO_METHOD *meth) +{ DSO *ret; - if(default_DSO_meth == NULL) + if (default_DSO_meth == NULL) /* We default to DSO_METH_openssl() which in turn defaults * to stealing the "best available" method. Will fallback * to DSO_METH_null() in the worst case. */ default_DSO_meth = DSO_METHOD_openssl(); ret = (DSO *)malloc(sizeof(DSO)); - if(ret == NULL) - { - DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE); - return(NULL); - } + if (ret == NULL) { + DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE); + return (NULL); + } memset(ret, 0, sizeof(DSO)); ret->meth_data = sk_void_new_null(); - if(ret->meth_data == NULL) - { + if (ret->meth_data == NULL) { /* sk_new doesn't generate any errors so we do */ - DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE); + DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE); free(ret); - return(NULL); - } - if(meth == NULL) + return (NULL); + } + if (meth == NULL) ret->meth = default_DSO_meth; else ret->meth = meth; ret->references = 1; - if((ret->meth->init != NULL) && !ret->meth->init(ret)) - { + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { free(ret); - ret=NULL; - } - return(ret); + ret = NULL; } + return (ret); +} -int DSO_free(DSO *dso) - { - int i; - - if(dso == NULL) - { - DSOerr(DSO_F_DSO_FREE,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - - i=CRYPTO_add(&dso->references,-1,CRYPTO_LOCK_DSO); - if(i > 0) return(1); - - if((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) - { - DSOerr(DSO_F_DSO_FREE,DSO_R_UNLOAD_FAILED); - return(0); - } - - if((dso->meth->finish != NULL) && !dso->meth->finish(dso)) - { - DSOerr(DSO_F_DSO_FREE,DSO_R_FINISH_FAILED); - return(0); - } - - sk_void_free(dso->meth_data); - if(dso->filename != NULL) - free(dso->filename); - if(dso->loaded_filename != NULL) - free(dso->loaded_filename); - - free(dso); - return(1); +int +DSO_free(DSO *dso) +{ + int i; + + if (dso == NULL) { + DSOerr(DSO_F_DSO_FREE, ERR_R_PASSED_NULL_PARAMETER); + return (0); } -int DSO_flags(DSO *dso) - { - return((dso == NULL) ? 0 : dso->flags); + i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO); + if (i > 0) + return (1); + + if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) { + DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED); + return (0); } + if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) { + DSOerr(DSO_F_DSO_FREE, DSO_R_FINISH_FAILED); + return (0); + } -int DSO_up_ref(DSO *dso) - { - if (dso == NULL) - { - DSOerr(DSO_F_DSO_UP_REF,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } + sk_void_free(dso->meth_data); + if (dso->filename != NULL) + free(dso->filename); + if (dso->loaded_filename != NULL) + free(dso->loaded_filename); - CRYPTO_add(&dso->references,1,CRYPTO_LOCK_DSO); - return(1); + free(dso); + return (1); +} + +int +DSO_flags(DSO *dso) +{ + return ((dso == NULL) ? 0 : dso->flags); +} + + +int +DSO_up_ref(DSO *dso) +{ + if (dso == NULL) { + DSOerr(DSO_F_DSO_UP_REF, ERR_R_PASSED_NULL_PARAMETER); + return (0); } -DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags) - { + CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO); + return (1); +} + +DSO * +DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags) +{ DSO *ret; int allocated = 0; - if(dso == NULL) - { + if (dso == NULL) { ret = DSO_new_method(meth); - if(ret == NULL) - { - DSOerr(DSO_F_DSO_LOAD,ERR_R_MALLOC_FAILURE); + if (ret == NULL) { + DSOerr(DSO_F_DSO_LOAD, ERR_R_MALLOC_FAILURE); goto err; - } + } allocated = 1; /* Pass the provided flags to the new DSO object */ - if(DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_CTRL_FAILED); + if (DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_CTRL_FAILED); goto err; - } } - else + } else ret = dso; /* Don't load if we're currently already loaded */ - if(ret->filename != NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_DSO_ALREADY_LOADED); + if (ret->filename != NULL) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_DSO_ALREADY_LOADED); goto err; - } + } /* filename can only be NULL if we were passed a dso that already has * one set. */ - if(filename != NULL) - if(!DSO_set_filename(ret, filename)) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_SET_FILENAME_FAILED); - goto err; - } + if (filename != NULL) + if (!DSO_set_filename(ret, filename)) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_SET_FILENAME_FAILED); + goto err; + } filename = ret->filename; - if(filename == NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_NO_FILENAME); + if (filename == NULL) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_NO_FILENAME); goto err; - } - if(ret->meth->dso_load == NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_UNSUPPORTED); + } + if (ret->meth->dso_load == NULL) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_UNSUPPORTED); goto err; - } - if(!ret->meth->dso_load(ret)) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_LOAD_FAILED); + } + if (!ret->meth->dso_load(ret)) { + DSOerr(DSO_F_DSO_LOAD, DSO_R_LOAD_FAILED); goto err; - } + } /* Load succeeded */ - return(ret); + return (ret); + err: - if(allocated) + if (allocated) DSO_free(ret); - return(NULL); - } + return (NULL); +} -void *DSO_bind_var(DSO *dso, const char *symname) - { +void * +DSO_bind_var(DSO *dso, const char *symname) +{ void *ret = NULL; - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DSO_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso->meth->dso_bind_var == NULL) - { - DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_UNSUPPORTED); - return(NULL); - } - if((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) - { - DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_SYM_FAILURE); - return(NULL); - } - /* Success */ - return(ret); + if ((dso == NULL) || (symname == NULL)) { + DSOerr(DSO_F_DSO_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); + } + if (dso->meth->dso_bind_var == NULL) { + DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_UNSUPPORTED); + return (NULL); } + if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) { + DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_SYM_FAILURE); + return (NULL); + } + /* Success */ + return (ret); +} -DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname) - { +DSO_FUNC_TYPE +DSO_bind_func(DSO *dso, const char *symname) +{ DSO_FUNC_TYPE ret = NULL; - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DSO_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso->meth->dso_bind_func == NULL) - { - DSOerr(DSO_F_DSO_BIND_FUNC,DSO_R_UNSUPPORTED); - return(NULL); - } - if((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) - { - DSOerr(DSO_F_DSO_BIND_FUNC,DSO_R_SYM_FAILURE); - return(NULL); - } - /* Success */ - return(ret); + if ((dso == NULL) || (symname == NULL)) { + DSOerr(DSO_F_DSO_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); } + if (dso->meth->dso_bind_func == NULL) { + DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_UNSUPPORTED); + return (NULL); + } + if ((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) { + DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_SYM_FAILURE); + return (NULL); + } + /* Success */ + return (ret); +} /* I don't really like these *_ctrl functions very much to be perfectly * honest. For one thing, I think I have to return a negative value for @@ -296,178 +289,171 @@ DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname) * odd times. I'd prefer "output" values to be passed by reference and * the return value as success/failure like usual ... but we conform * when we must... :-) */ -long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_CTRL,ERR_R_PASSED_NULL_PARAMETER); - return(-1); - } +long +DSO_ctrl(DSO *dso, int cmd, long larg, void *parg) +{ + if (dso == NULL) { + DSOerr(DSO_F_DSO_CTRL, ERR_R_PASSED_NULL_PARAMETER); + return (-1); + } /* We should intercept certain generic commands and only pass control * to the method-specific ctrl() function if it's something we don't * handle. */ - switch(cmd) - { + switch (cmd) { case DSO_CTRL_GET_FLAGS: return dso->flags; case DSO_CTRL_SET_FLAGS: dso->flags = (int)larg; - return(0); + return (0); case DSO_CTRL_OR_FLAGS: dso->flags |= (int)larg; - return(0); + return (0); default: break; - } - if((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) - { - DSOerr(DSO_F_DSO_CTRL,DSO_R_UNSUPPORTED); - return(-1); - } - return(dso->meth->dso_ctrl(dso,cmd,larg,parg)); } - -int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, - DSO_NAME_CONVERTER_FUNC *oldcb) - { - if(dso == NULL) - { + if ((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) { + DSOerr(DSO_F_DSO_CTRL, DSO_R_UNSUPPORTED); + return (-1); + } + return (dso->meth->dso_ctrl(dso, cmd, larg, parg)); +} + +int +DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, + DSO_NAME_CONVERTER_FUNC *oldcb) +{ + if (dso == NULL) { DSOerr(DSO_F_DSO_SET_NAME_CONVERTER, - ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if(oldcb) + ERR_R_PASSED_NULL_PARAMETER); + return (0); + } + if (oldcb) *oldcb = dso->name_converter; dso->name_converter = cb; - return(1); - } - -const char *DSO_get_filename(DSO *dso) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_GET_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - return(dso->filename); + return (1); +} + +const char * +DSO_get_filename(DSO *dso) +{ + if (dso == NULL) { + DSOerr(DSO_F_DSO_GET_FILENAME, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); } + return (dso->filename); +} -int DSO_set_filename(DSO *dso, const char *filename) - { +int +DSO_set_filename(DSO *dso, const char *filename) +{ char *copied; - if((dso == NULL) || (filename == NULL)) - { - DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if(dso->loaded_filename) - { - DSOerr(DSO_F_DSO_SET_FILENAME,DSO_R_DSO_ALREADY_LOADED); - return(0); - } + if ((dso == NULL) || (filename == NULL)) { + DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_PASSED_NULL_PARAMETER); + return (0); + } + if (dso->loaded_filename) { + DSOerr(DSO_F_DSO_SET_FILENAME, DSO_R_DSO_ALREADY_LOADED); + return (0); + } /* We'll duplicate filename */ copied = malloc(strlen(filename) + 1); - if(copied == NULL) - { - DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_MALLOC_FAILURE); - return(0); - } + if (copied == NULL) { + DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_MALLOC_FAILURE); + return (0); + } strlcpy(copied, filename, strlen(filename) + 1); - if(dso->filename) + if (dso->filename) free(dso->filename); dso->filename = copied; - return(1); - } + return (1); +} -char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2) - { +char * +DSO_merge(DSO *dso, const char *filespec1, const char *filespec2) +{ char *result = NULL; - if(dso == NULL || filespec1 == NULL) - { - DSOerr(DSO_F_DSO_MERGE,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) - { - if(dso->merger != NULL) + if (dso == NULL || filespec1 == NULL) { + DSOerr(DSO_F_DSO_MERGE, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); + } + if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) { + if (dso->merger != NULL) result = dso->merger(dso, filespec1, filespec2); - else if(dso->meth->dso_merger != NULL) + else if (dso->meth->dso_merger != NULL) result = dso->meth->dso_merger(dso, - filespec1, filespec2); - } - return(result); + filespec1, filespec2); } + return (result); +} -char *DSO_convert_filename(DSO *dso, const char *filename) - { +char * +DSO_convert_filename(DSO *dso, const char *filename) +{ char *result = NULL; - if(dso == NULL) - { - DSOerr(DSO_F_DSO_CONVERT_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(filename == NULL) + if (dso == NULL) { + DSOerr(DSO_F_DSO_CONVERT_FILENAME, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); + } + if (filename == NULL) filename = dso->filename; - if(filename == NULL) - { - DSOerr(DSO_F_DSO_CONVERT_FILENAME,DSO_R_NO_FILENAME); - return(NULL); - } - if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) - { - if(dso->name_converter != NULL) + if (filename == NULL) { + DSOerr(DSO_F_DSO_CONVERT_FILENAME, DSO_R_NO_FILENAME); + return (NULL); + } + if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) { + if (dso->name_converter != NULL) result = dso->name_converter(dso, filename); - else if(dso->meth->dso_name_converter != NULL) + else if (dso->meth->dso_name_converter != NULL) result = dso->meth->dso_name_converter(dso, filename); - } - if(result == NULL) - { + } + if (result == NULL) { result = malloc(strlen(filename) + 1); - if(result == NULL) - { + if (result == NULL) { DSOerr(DSO_F_DSO_CONVERT_FILENAME, - ERR_R_MALLOC_FAILURE); - return(NULL); - } - strlcpy(result, filename, strlen(filename) + 1); + ERR_R_MALLOC_FAILURE); + return (NULL); } - return(result); + strlcpy(result, filename, strlen(filename) + 1); } + return (result); +} -const char *DSO_get_loaded_filename(DSO *dso) - { - if(dso == NULL) - { +const char * +DSO_get_loaded_filename(DSO *dso) +{ + if (dso == NULL) { DSOerr(DSO_F_DSO_GET_LOADED_FILENAME, - ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - return(dso->loaded_filename); + ERR_R_PASSED_NULL_PARAMETER); + return (NULL); } + return (dso->loaded_filename); +} -int DSO_pathbyaddr(void *addr,char *path,int sz) - { +int +DSO_pathbyaddr(void *addr, char *path, int sz) +{ DSO_METHOD *meth = default_DSO_meth; - if (meth == NULL) meth = DSO_METHOD_openssl(); - if (meth->pathbyaddr == NULL) - { - DSOerr(DSO_F_DSO_PATHBYADDR,DSO_R_UNSUPPORTED); + if (meth == NULL) + meth = DSO_METHOD_openssl(); + if (meth->pathbyaddr == NULL) { + DSOerr(DSO_F_DSO_PATHBYADDR, DSO_R_UNSUPPORTED); return -1; - } - return (*meth->pathbyaddr)(addr,path,sz); } + return (*meth->pathbyaddr)(addr, path, sz); +} -void *DSO_global_lookup(const char *name) - { +void * +DSO_global_lookup(const char *name) +{ DSO_METHOD *meth = default_DSO_meth; - if (meth == NULL) meth = DSO_METHOD_openssl(); - if (meth->globallookup == NULL) - { - DSOerr(DSO_F_DSO_GLOBAL_LOOKUP,DSO_R_UNSUPPORTED); + if (meth == NULL) + meth = DSO_METHOD_openssl(); + if (meth->globallookup == NULL) { + DSOerr(DSO_F_DSO_GLOBAL_LOOKUP, DSO_R_UNSUPPORTED); return NULL; - } - return (*meth->globallookup)(name); } + return (*meth->globallookup)(name); +} |