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From 95ea12b9a4be68cc25f0811e693c7a024b5e3d4b Mon Sep 17 00:00:00 2001
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From: Matej Habrnal <mhabrnal@redhat.com>
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Date: Tue, 9 Feb 2016 16:53:21 +0100
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Subject: [PATCH] Save Vendor and GPG Fingerprint
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Red Hat keys can be found at:
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  https://access.redhat.com/security/team/key
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Related: #1258482
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---
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 src/daemon/abrt-action-save-package-data.c    | 34 ++++++++++++++++++++-----
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 src/daemon/abrt-action-save-package-data.conf |  7 ++++++
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 src/daemon/rpm.c                              | 36 +++++++++++++++++++--------
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 src/daemon/rpm.h                              | 15 +++++++++++
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 src/plugins/abrt-action-save-kernel-data      |  6 +++++
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 5 files changed, 82 insertions(+), 16 deletions(-)
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diff --git a/src/daemon/abrt-action-save-package-data.c b/src/daemon/abrt-action-save-package-data.c
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index 97d5f5e..ef2007e 100644
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--- a/src/daemon/abrt-action-save-package-data.c
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+++ b/src/daemon/abrt-action-save-package-data.c
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@@ -224,6 +224,7 @@ static int SavePackageDescriptionToDebugDump(const char *dump_dir_name)
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     char *cmdline = NULL;
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     char *executable = NULL;
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     char *package_short_name = NULL;
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+    char *fingerprint = NULL;
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     struct pkg_envra *pkg_name = NULL;
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     char *component = NULL;
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     int error = 1;
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@@ -311,13 +312,12 @@ static int SavePackageDescriptionToDebugDump(const char *dump_dir_name)
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         goto ret; /* return 1 (failure) */
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     }
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-    if (settings_bOpenGPGCheck)
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+    fingerprint = rpm_get_fingerprint(package_short_name);
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+    if (!(fingerprint != NULL && rpm_fingerprint_is_imported(fingerprint))
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+         && settings_bOpenGPGCheck)
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     {
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-        if (!rpm_chk_fingerprint(package_short_name))
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-        {
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-            log("Package '%s' isn't signed with proper key", package_short_name);
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-            goto ret; /* return 1 (failure) */
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-        }
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+        log("Package '%s' isn't signed with proper key", package_short_name);
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+        goto ret; /* return 1 (failure) */
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         /* We used to also check the integrity of the executable here:
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          *  if (!CheckHash(package_short_name.c_str(), executable)) BOOM();
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          * Checking the MD5 sum requires to run prelink to "un-prelink" the
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@@ -340,6 +340,27 @@ static int SavePackageDescriptionToDebugDump(const char *dump_dir_name)
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         dd_save_text(dd, FILENAME_PKG_VERSION, pkg_name->p_version);
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         dd_save_text(dd, FILENAME_PKG_RELEASE, pkg_name->p_release);
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         dd_save_text(dd, FILENAME_PKG_ARCH, pkg_name->p_arch);
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+        dd_save_text(dd, FILENAME_PKG_VENDOR, pkg_name->p_vendor);
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+
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+        if (fingerprint)
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+        {
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+            /* 16 character + 3 spaces + 1 '\0' + 2 Bytes for errors :) */
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+            char key_fingerprint[22] = {0};
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+
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+            /* The condition is just a defense against errors */
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+            for (size_t i = 0, j = 0; j < sizeof(key_fingerprint) - 2; )
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+            {
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+                key_fingerprint[j++] = toupper(fingerprint[i++]);
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+
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+                if (fingerprint[i] == '\0')
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+                    break;
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+
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+                if (!(i & (0x3)))
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+                    key_fingerprint[j++] = ' ';
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+            }
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+
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+            dd_save_text(dd, FILENAME_PKG_FINGERPRINT, key_fingerprint);
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+        }
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     }
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     if (component)
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@@ -355,6 +376,7 @@ static int SavePackageDescriptionToDebugDump(const char *dump_dir_name)
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     free(package_short_name);
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     free_pkg_envra(pkg_name);
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     free(component);
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+    free(fingerprint);
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     return error;
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 }
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diff --git a/src/daemon/abrt-action-save-package-data.conf b/src/daemon/abrt-action-save-package-data.conf
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index 3d35bb6..bf97264 100644
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--- a/src/daemon/abrt-action-save-package-data.conf
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+++ b/src/daemon/abrt-action-save-package-data.conf
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@@ -3,6 +3,13 @@
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 # the list of public keys used to check the signature is
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 # in the file gpg_keys
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 #
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+# How can I check the GPG key used to sign an installed pacakge on
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+# Red hat Enterprise Linux:
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+# https://access.redhat.com/solutions/1120013
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+#
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+# Product Signing (GPG) Keys:
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+# https://access.redhat.com/security/team/key
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+#
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 OpenGPGCheck = yes
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 # Blacklisted packages
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diff --git a/src/daemon/rpm.c b/src/daemon/rpm.c
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index b69992c..d3d3d0a 100644
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--- a/src/daemon/rpm.c
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+++ b/src/daemon/rpm.c
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@@ -99,7 +99,22 @@ void rpm_load_gpgkey(const char* filename)
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 int rpm_chk_fingerprint(const char* pkg)
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 {
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-    int ret = 0;
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+    char *fingerprint = rpm_get_fingerprint(pkg);
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+    int res = 0;
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+    if (fingerprint)
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+        res = rpm_fingerprint_is_imported(fingerprint);
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+    free(fingerprint);
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+    return res;
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+}
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+
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+int rpm_fingerprint_is_imported(const char* fingerprint)
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+{
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+    return !!g_list_find_custom(list_fingerprints, fingerprint, (GCompareFunc)g_strcmp0);
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+}
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+
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+char *rpm_get_fingerprint(const char *pkg)
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+{
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+    char *fingerprint = NULL;
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     char *pgpsig = NULL;
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     const char *errmsg = NULL;
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@@ -117,20 +132,15 @@ int rpm_chk_fingerprint(const char* pkg)
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         goto error;
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     }
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-    {
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-        char *pgpsig_tmp = strstr(pgpsig, " Key ID ");
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-        if (pgpsig_tmp)
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-        {
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-            pgpsig_tmp += sizeof(" Key ID ") - 1;
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-            ret = g_list_find_custom(list_fingerprints, pgpsig_tmp, (GCompareFunc)g_strcmp0) != NULL;
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-        }
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-    }
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+    char *pgpsig_tmp = strstr(pgpsig, " Key ID ");
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+    if (pgpsig_tmp)
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+        fingerprint = xstrdup(pgpsig_tmp + sizeof(" Key ID ") - 1);
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 error:
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     free(pgpsig);
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     rpmdbFreeIterator(iter);
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     rpmtsFree(ts);
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-    return ret;
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+    return fingerprint;
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 }
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 /*
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@@ -244,6 +254,7 @@ pkg_add_id(name);
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 pkg_add_id(version);
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 pkg_add_id(release);
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 pkg_add_id(arch);
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+pkg_add_id(vendor);
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 // caller is responsible to free returned value
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 struct pkg_envra *rpm_get_package_nvr(const char *filename, const char *rootdir_or_NULL)
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@@ -314,6 +325,10 @@ struct pkg_envra *rpm_get_package_nvr(const char *filename, const char *rootdir_
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     if (r)
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         goto error;
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+    r = pkg_add_vendor(header, p);
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+    if (r)
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+        goto error;
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+
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     p->p_nvr = xasprintf("%s-%s-%s", p->p_name, p->p_version, p->p_release);
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     rpmdbFreeIterator(iter);
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@@ -334,6 +349,7 @@ void free_pkg_envra(struct pkg_envra *p)
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     if (!p)
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         return;
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+    free(p->p_vendor);
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     free(p->p_epoch);
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     free(p->p_name);
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     free(p->p_version);
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diff --git a/src/daemon/rpm.h b/src/daemon/rpm.h
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index 1b90368..89aa088 100644
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--- a/src/daemon/rpm.h
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+++ b/src/daemon/rpm.h
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@@ -38,6 +38,7 @@ struct pkg_envra {
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     char *p_version;
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     char *p_release;
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     char *p_arch;
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+    char *p_vendor;
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 };
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 void free_pkg_envra(struct pkg_envra *p);
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@@ -69,6 +70,20 @@ void rpm_load_gpgkey(const char* filename);
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 int rpm_chk_fingerprint(const char* pkg);
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 /**
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+ * A function, which checks if the given finger print is imported.
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+ * @param pkg A package name.
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+ * @return 1 if imported, otherwise (not-imported, or error) 0
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+ */
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+int rpm_fingerprint_is_imported(const char* fingerprint);
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+
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+/**
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+ * A function, which returns package's finger print
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+ * @param pkg A package name.
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+ * @return NULL if not-valid, otherwise malloced NULL-terminated string.
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+ */
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+char *rpm_get_fingerprint(const char* pkg);
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+
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+/**
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  * Gets a package name. This package contains particular
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  * file. If the file doesn't belong to any package, empty string is
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  * returned.
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diff --git a/src/plugins/abrt-action-save-kernel-data b/src/plugins/abrt-action-save-kernel-data
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index 7df85cf..5f1ddc7 100755
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--- a/src/plugins/abrt-action-save-kernel-data
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+++ b/src/plugins/abrt-action-save-kernel-data
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@@ -29,3 +29,9 @@ rpm -q --qf "%{release}\n" "$package" > pkg_release
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 epoch="$( rpm -q --qf "%{epoch}" "$package" )"
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 test "$epoch" = "(none)"  && epoch=0
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 echo "$epoch" > pkg_epoch
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+rpm -q --qf "%{vendor}\n" "$package" > pkg_vendor
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+
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+FINGERPRINT=$(rpm -q --qf "%|SIGGPG?{%{SIGGPG:pgpsig}}:{%{SIGPGP:pgpsig}}|" "$package" 2>/dev/null | tail -1)
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+if [ -n "$FINGERPRINT" -a "_(none)" != "_$FINGERPRINT" ]; then
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+    echo $FINGERPRINT | sed 's/.*Key ID \(....\)\(....\)\(....\)\(....\)$/\U\1 \U\2 \U\3 \U\4/' > pkg_fingerprint
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+fi
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-- 
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1.8.3.1
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