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Code Activity

pki: Fix accidental ECC switch case fallthroughs into ed25119 cases when built without ECC

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Summary:
When ed25519 was introduced in commit 93c7b81b4e,
the ed25519 case was added after the ecdsa case in src/pki.c. The ecdsa case seems to
have relied on falling through to report an error, when HAVE_ECC is not defined.
If HAVE_ECC is not defined, but ecdsa keys are used, with for example,
ssh_pki_import_pubkey_file, the code fallthroughs into the ed25519 case.

Signed-off-by: Juraj Vijtiuk <juraj.vijtiuk@sartura.hr>

Test Plan: Unit tests passed. No memory leaks found with valgrind.

Reviewers: asn

Differential Revision: https://bugs.libssh.org/D13
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
jvijtiuk
2017-12-28 20:45:49 +01:00
committed by Andreas Schneider
parent c3c492a190
commit ea99215664
2 changed files with 5 additions and 3 deletions
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5
src/pki.c
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@@ -771,8 +771,8 @@ static int pki_import_pubkey_buffer(ssh_buffer buffer,
}
}
break;
case SSH_KEYTYPE_ECDSA:
#ifdef HAVE_ECC
case SSH_KEYTYPE_ECDSA:
{
ssh_string e;
ssh_string i;
@@ -1201,8 +1201,8 @@ int ssh_pki_generate(enum ssh_keytypes_e type, int parameter,
if(rc == SSH_ERROR)
goto error;
break;
case SSH_KEYTYPE_ECDSA:
#ifdef HAVE_ECC
case SSH_KEYTYPE_ECDSA:
rc = pki_key_generate_ecdsa(key, parameter);
if (rc == SSH_ERROR) {
goto error;
@@ -1221,6 +1221,7 @@ int ssh_pki_generate(enum ssh_keytypes_e type, int parameter,
case SSH_KEYTYPE_DSS_CERT01:
case SSH_KEYTYPE_RSA_CERT01:
case SSH_KEYTYPE_UNKNOWN:
default:
goto error;
}