- djm@cvs.openbsd.org 2014/04/30 05:29:56

     [bufaux.c bufbn.c bufec.c buffer.c buffer.h sshbuf-getput-basic.c]
     [sshbuf-getput-crypto.c sshbuf-misc.c sshbuf.c sshbuf.h ssherr.c]
     [ssherr.h]
     New buffer API; the first installment of the conversion/replacement
     of OpenSSH's internals to make them usable as a standalone library.

     This includes a set of wrappers to make it compatible with the
     existing buffer API so replacement can occur incrementally.

     With and ok markus@

     Thanks also to Ben Hawkes, David Tomaschik, Ivan Fratric, Matthew
     Dempsky and Ron Bowes for a detailed review.

1 files changed, 131 insertions, 0 deletions

diff --git a/ssherr.c b/ssherr.c
new file mode 100644
index 00000000..49fbb71d
--- /dev/null
+++ b/ssherr.c
@@ -0,0 +1,131 @@
+/*	$OpenBSD: ssherr.c,v 1.1 2014/04/30 05:29:56 djm Exp $	*/
+/*
+ * Copyright (c) 2011 Damien Miller
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include "ssherr.h"
+
+const char *
+ssh_err(int n)
+{
+	switch (n) {
+	case SSH_ERR_SUCCESS:
+		return "success";
+	case SSH_ERR_INTERNAL_ERROR:
+		return "unexpected internal error";
+	case SSH_ERR_ALLOC_FAIL:
+		return "memory allocation failed";
+	case SSH_ERR_MESSAGE_INCOMPLETE:
+		return "incomplete message";
+	case SSH_ERR_INVALID_FORMAT:
+		return "invalid format";
+	case SSH_ERR_BIGNUM_IS_NEGATIVE:
+		return "bignum is negative";
+	case SSH_ERR_STRING_TOO_LARGE:
+		return "string is too large";
+	case SSH_ERR_BIGNUM_TOO_LARGE:
+		return "bignum is too large";
+	case SSH_ERR_ECPOINT_TOO_LARGE:
+		return "elliptic curve point is too large";
+	case SSH_ERR_NO_BUFFER_SPACE:
+		return "insufficient buffer space";
+	case SSH_ERR_INVALID_ARGUMENT:
+		return "invalid argument";
+	case SSH_ERR_KEY_BITS_MISMATCH:
+		return "key bits do not match";
+	case SSH_ERR_EC_CURVE_INVALID:
+		return "invalid elliptic curve";
+	case SSH_ERR_KEY_TYPE_MISMATCH:
+		return "key type does not match";
+	case SSH_ERR_KEY_TYPE_UNKNOWN:
+		return "unknown or unsupported key type";
+	case SSH_ERR_EC_CURVE_MISMATCH:
+		return "elliptic curve does not match";
+	case SSH_ERR_EXPECTED_CERT:
+		return "plain key provided where certificate required";
+	case SSH_ERR_KEY_LACKS_CERTBLOB:
+		return "key lacks certificate data";
+	case SSH_ERR_KEY_CERT_UNKNOWN_TYPE:
+		return "unknown/unsupported certificate type";
+	case SSH_ERR_KEY_CERT_INVALID_SIGN_KEY:
+		return "invalid certificate signing key";
+	case SSH_ERR_KEY_INVALID_EC_VALUE:
+		return "invalid elliptic curve value";
+	case SSH_ERR_SIGNATURE_INVALID:
+		return "incorrect signature";
+	case SSH_ERR_LIBCRYPTO_ERROR:
+		return "error in libcrypto";  /* XXX fetch and return */
+	case SSH_ERR_UNEXPECTED_TRAILING_DATA:
+		return "unexpected bytes remain after decoding";
+	case SSH_ERR_SYSTEM_ERROR:
+		return strerror(errno);
+	case SSH_ERR_KEY_CERT_INVALID:
+		return "invalid certificate";
+	case SSH_ERR_AGENT_COMMUNICATION:
+		return "communication with agent failed";
+	case SSH_ERR_AGENT_FAILURE:
+		return "agent refused operation";
+	case SSH_ERR_DH_GEX_OUT_OF_RANGE:
+		return "DH GEX group out of range";
+	case SSH_ERR_DISCONNECTED:
+		return "disconnected";
+	case SSH_ERR_MAC_INVALID:
+		return "message authentication code incorrect";
+	case SSH_ERR_NO_CIPHER_ALG_MATCH:
+		return "no matching cipher found";
+	case SSH_ERR_NO_MAC_ALG_MATCH:
+		return "no matching MAC found";
+	case SSH_ERR_NO_COMPRESS_ALG_MATCH:
+		return "no matching compression method found";
+	case SSH_ERR_NO_KEX_ALG_MATCH:
+		return "no matching key exchange method found";
+	case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
+		return "no matching host key type found";
+	case SSH_ERR_PROTOCOL_MISMATCH:
+		return "protocol version mismatch";
+	case SSH_ERR_NO_PROTOCOL_VERSION:
+		return "could not read protocol version";
+	case SSH_ERR_NO_HOSTKEY_LOADED:
+		return "could not load host key";
+	case SSH_ERR_NEED_REKEY:
+		return "rekeying not supported by peer";
+	case SSH_ERR_PASSPHRASE_TOO_SHORT:
+		return "passphrase is too short (minimum four characters)";
+	case SSH_ERR_FILE_CHANGED:
+		return "file changed while reading";
+	case SSH_ERR_KEY_UNKNOWN_CIPHER:
+		return "key encrypted using unsupported cipher";
+	case SSH_ERR_KEY_WRONG_PASSPHRASE:
+		return "incorrect passphrase supplied to decrypt private key";
+	case SSH_ERR_KEY_BAD_PERMISSIONS:
+		return "bad permissions";
+	case SSH_ERR_KEY_CERT_MISMATCH:
+		return "certificate does not match key";
+	case SSH_ERR_KEY_NOT_FOUND:
+		return "key not found";
+	case SSH_ERR_AGENT_NOT_PRESENT:
+		return "agent not present";
+	case SSH_ERR_AGENT_NO_IDENTITIES:
+		return "agent contains no identities";
+	case SSH_ERR_KRL_BAD_MAGIC:
+		return "KRL file has invalid magic number";
+	case SSH_ERR_KEY_REVOKED:
+		return "Key is revoked";
+	default:
+		return "unknown error";
+	}
+}