From e5b6a658eab9f1fa6405e2ac98930723b7f2bbfd Mon Sep 17 00:00:00 2001 From: Yauheni Kaliuta Date: Tue, 11 Apr 2017 15:15:03 +0300 Subject: libkmod: modinfo: implement signature output Signature was ignored from the modinfo. Implement its parsing from the module data and add its output to the modinfo utility. Signed-off-by: Yauheni Kaliuta --- libkmod/libkmod-internal.h | 2 ++ libkmod/libkmod-module.c | 9 +++++++++ libkmod/libkmod-signature.c | 6 +++++- 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/libkmod/libkmod-internal.h b/libkmod/libkmod-internal.h index 4d9db6b..346579c 100644 --- a/libkmod/libkmod-internal.h +++ b/libkmod/libkmod-internal.h @@ -186,5 +186,7 @@ struct kmod_signature_info { const char *key_id; size_t key_id_len; const char *algo, *hash_algo, *id_type; + const char *sig; + size_t sig_len; }; bool kmod_module_signature_info(const struct kmod_file *file, struct kmod_signature_info *sig_info) _must_check_ __attribute__((nonnull(1, 2))); diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c index 9e155f0..0a3ef11 100644 --- a/libkmod/libkmod-module.c +++ b/libkmod/libkmod-module.c @@ -2344,6 +2344,15 @@ KMOD_EXPORT int kmod_module_get_info(const struct kmod_module *mod, struct kmod_ * Omit sig_info.algo for now, as these * are currently constant. */ + n = kmod_module_info_append_hex(list, "signature", + strlen("signature"), + sig_info.sig, + sig_info.sig_len); + + if (n == NULL) + goto list_error; + count++; + } ret = count; diff --git a/libkmod/libkmod-signature.c b/libkmod/libkmod-signature.c index ef5fe6e..1f3e26d 100644 --- a/libkmod/libkmod-signature.c +++ b/libkmod/libkmod-signature.c @@ -134,7 +134,11 @@ bool kmod_module_signature_info(const struct kmod_file *file, struct kmod_signat size < (int64_t)(modsig->signer_len + modsig->key_id_len + sig_len)) return false; - size -= modsig->key_id_len + sig_len; + size -= sig_len; + sig_info->sig = mem + size; + sig_info->sig_len = sig_len; + + size -= modsig->key_id_len; sig_info->key_id = mem + size; sig_info->key_id_len = modsig->key_id_len; -- cgit v1.2.3