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9c4949c11d
if available, append it to the corresponding ssh error message and optionall print the libcrypto full error stack (at debug1). with & ok tb@ djm@ millert@ schwarze@ Note that the quality of errors obtainable from libcrypto is somewhat variable, so these may be any of: useful, misleading, incomplete or missing entirely. As a result we reserve the right to change what is returned or even stop returning it if it does more harm than good. OpenBSD-Commit-ID: 1ad599ac3eeddbe254fec6b9c1cf658fa70d572e
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* $OpenBSD: ssherr-libcrypto.c,v 1.1 2026/02/06 23:31:29 dtucker Exp $ */
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/*
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* Copyright (c) 2026 Darren Tucker
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "includes.h"
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#include <sys/types.h>
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#include <errno.h>
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#include <string.h>
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#include "log.h"
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#ifdef WITH_OPENSSL
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#include <openssl/err.h>
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const char *
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ssherr_libcrypto(void)
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{
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unsigned long e;
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static char buf[512];
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char msg[4096];
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const char *reason = NULL, *file, *data;
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int ln, fl;
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ERR_load_crypto_strings();
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while ((e = ERR_get_error_line_data(&file, &ln, &data, &fl)) != 0) {
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ERR_error_string_n(e, buf, sizeof(buf));
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snprintf(msg, sizeof(msg), "%s:%s:%d:%s", buf, file, ln,
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(fl & ERR_TXT_STRING) ? data : "");
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debug("libcrypto: '%s'", msg);
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if ((reason = ERR_reason_error_string(e)) != NULL)
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snprintf(buf, sizeof(buf), "error in libcrypto: %s",
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reason);
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}
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if (reason == NULL)
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return NULL;
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return buf;
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}
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#else
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const char *
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ssherr_libcrypto(void)
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{
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return NULL;
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}
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#endif
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