diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:40:04 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:40:04 +0000 |
commit | 25505898530a333011f4fd5cbc841ad6b26c089c (patch) | |
tree | 333a33fdd60930bcccc3f177ed9467d535e9bac6 /regress/misc/fuzz-harness/sig_fuzz.cc | |
parent | Initial commit. (diff) | |
download | openssh-upstream.tar.xz openssh-upstream.zip |
Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'regress/misc/fuzz-harness/sig_fuzz.cc')
-rw-r--r-- | regress/misc/fuzz-harness/sig_fuzz.cc | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/regress/misc/fuzz-harness/sig_fuzz.cc b/regress/misc/fuzz-harness/sig_fuzz.cc new file mode 100644 index 0000000..b32502b --- /dev/null +++ b/regress/misc/fuzz-harness/sig_fuzz.cc @@ -0,0 +1,62 @@ +// cc_fuzz_target test for public key parsing. + +#include <stddef.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +extern "C" { + +#include "includes.h" +#include "sshkey.h" +#include "ssherr.h" + +static struct sshkey *generate_or_die(int type, unsigned bits) { + int r; + struct sshkey *ret; + if ((r = sshkey_generate(type, bits, &ret)) != 0) { + fprintf(stderr, "generate(%d, %u): %s", type, bits, ssh_err(r)); + abort(); + } + return ret; +} + +int LLVMFuzzerTestOneInput(const uint8_t* sig, size_t slen) +{ +#ifdef WITH_OPENSSL + static struct sshkey *rsa = generate_or_die(KEY_RSA, 2048); + static struct sshkey *dsa = generate_or_die(KEY_DSA, 1024); + static struct sshkey *ecdsa256 = generate_or_die(KEY_ECDSA, 256); + static struct sshkey *ecdsa384 = generate_or_die(KEY_ECDSA, 384); + static struct sshkey *ecdsa521 = generate_or_die(KEY_ECDSA, 521); +#endif + struct sshkey_sig_details *details = NULL; + static struct sshkey *ed25519 = generate_or_die(KEY_ED25519, 0); + static const char *data = "If everyone started announcing his nose had " + "run away, I don’t know how it would all end"; + static const size_t dlen = strlen(data); + +#ifdef WITH_OPENSSL + sshkey_verify(rsa, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + details = NULL; + sshkey_verify(dsa, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + details = NULL; + sshkey_verify(ecdsa256, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + details = NULL; + sshkey_verify(ecdsa384, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + details = NULL; + sshkey_verify(ecdsa521, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + details = NULL; +#endif + sshkey_verify(ed25519, sig, slen, (const u_char *)data, dlen, NULL, 0, &details); + sshkey_sig_details_free(details); + return 0; +} + +} // extern |