1 /* $OpenBSD: ssherr-libcrypto.c,v 1.2 2026/06/30 03:42:53 tb Exp $ */ 2 /* 3 * Copyright (c) 2026 Darren Tucker 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include "includes.h" 19 20 #include <sys/types.h> 21 22 #include <errno.h> 23 #include <string.h> 24 25 #include "log.h" 26 27 #ifdef WITH_OPENSSL 28 #include <openssl/err.h> 29 30 const char * 31 ssherr_libcrypto(void) 32 { 33 unsigned long e; 34 static char buf[512]; 35 char msg[4096]; 36 const char *reason = NULL, *file, *data; 37 int ln, fl; 38 39 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); 40 while ((e = ERR_get_error_line_data(&file, &ln, &data, &fl)) != 0) { 41 ERR_error_string_n(e, buf, sizeof(buf)); 42 snprintf(msg, sizeof(msg), "%s:%s:%d:%s", buf, file, ln, 43 (fl & ERR_TXT_STRING) ? data : ""); 44 debug("libcrypto: '%s'", msg); 45 if ((reason = ERR_reason_error_string(e)) != NULL) 46 snprintf(buf, sizeof(buf), "error in libcrypto: %s", 47 reason); 48 } 49 if (reason == NULL) 50 return NULL; 51 return buf; 52 } 53 #else 54 const char * 55 ssherr_libcrypto(void) 56 { 57 return NULL; 58 } 59 #endif 60