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authorYauheni Kaliuta <yauheni.kaliuta@redhat.com>2017-04-11 15:15:03 +0300
committerLucas De Marchi <lucas.demarchi@intel.com>2017-04-11 09:04:28 -0700
commite5b6a658eab9f1fa6405e2ac98930723b7f2bbfd (patch)
tree6976f005407753110ebd2a387310580a35cafbb8 /libkmod
parentabcd0bf8ec6623b26cddee3c2a9175b786957600 (diff)
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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 <yauheni.kaliuta@redhat.com>
Diffstat (limited to 'libkmod')
-rw-r--r--libkmod/libkmod-internal.h2
-rw-r--r--libkmod/libkmod-module.c9
-rw-r--r--libkmod/libkmod-signature.c6
3 files changed, 16 insertions, 1 deletions
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;