dcavalca / rpms / rpm

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--- rpm-4.11.3/configure.ac.old	2018-05-25 09:02:29.103209393 +0200
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+++ rpm-4.11.3/configure.ac	2018-05-28 14:46:27.134913783 +0200
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@@ -334,6 +334,22 @@
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 AC_SUBST(WITH_POPT_INCLUDE)
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 AC_SUBST(WITH_POPT_LIB)
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+
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+#=================
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+# Check for audit library.
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+AC_ARG_WITH(audit,
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+AS_HELP_STRING([--with-audit],[log results using Linux Audit]),
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+with_audit=$withval,
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+with_audit=auto)
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+
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+WITH_AUDIT_LIB=
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+AS_IF([test "$with_audit" = auto],[
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+    AC_SEARCH_LIBS([audit_open],[audit],[WITH_AUDIT_LIB="$ac_res"],
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+       [AC_MSG_ERROR([missing audit library])
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+    ])
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+])
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+AC_SUBST(WITH_AUDIT_LIB)
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+
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 #=================
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 # Process --with/without-external-db
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 AC_ARG_WITH(external_db, [AS_HELP_STRING([--with-external-db],[build against an external Berkeley db])],
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--- rpm-4.11.3/lib/Makefile.am.old	2014-09-05 13:51:05.000000000 +0200
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+++ rpm-4.11.3/lib/Makefile.am	2018-05-28 13:24:17.309657132 +0200
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@@ -47,6 +47,7 @@
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 	@WITH_SELINUX_LIB@ \
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 	@WITH_CAP_LIB@ \
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 	@WITH_ACL_LIB@ \
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+	@WITH_AUDIT_LIB@ \
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 	@LIBINTL@
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 if WITH_LUA
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--- rpm-4.11.3/lib/rpmte.c.old	2018-05-25 09:02:29.173209513 +0200
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+++ rpm-4.11.3/lib/rpmte.c	2018-06-18 10:38:02.929670757 +0200
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@@ -3,6 +3,7 @@
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  * Routine(s) to handle an "rpmte"  transaction element.
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  */
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 #include "system.h"
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+#include <libaudit.h>
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 #include <rpm/rpmtypes.h>
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 #include <rpm/rpmlib.h>		/* RPM_MACHTABLE_* */
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@@ -22,6 +23,16 @@
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 #include "debug.h"
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+#ifndef AUDIT_SOFTWARE_UPDATE
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+#define AUDIT_SOFTWARE_UPDATE   1138
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+#endif
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+
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+RPM_GNUC_INTERNAL
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+int auditEnabled = 0;
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+
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+RPM_GNUC_INTERNAL
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+int auditGpgResult = 0;
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+
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 /** \ingroup rpmte
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  * A single package instance to be installed/removed atomically.
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  */
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@@ -698,7 +709,15 @@
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     switch (rpmteType(te)) {
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     case TR_ADDED:
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-	h = rpmteDBInstance(te) ? rpmteDBHeader(te) : rpmteFDHeader(te);
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+	if (rpmteDBInstance(te)) {
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+	    h = rpmteDBHeader(te);
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+	} else {
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+	    if (reload_fi) {
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+		auditEnabled = 1;
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+		auditGpgResult = 0;
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+	    }
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+	    h = rpmteFDHeader(te);
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+	}
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 	break;
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     case TR_REMOVED:
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 	h = rpmteDBHeader(te);
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@@ -904,6 +923,41 @@
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     return rc;
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 }
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+/*
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+ * Input variables:
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+ *      te - transaction element
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+ *      keyEnforcement - gpg key enforcement status: 1 enforced, 0 not enforced
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+ *      gpgResult - results of gpg signature check: 1 verified, 0 otherwise
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+ *      result - overall result of installing the rpm: 1 success, 0 failure
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+ */
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+static void audit_rpm_install(rpmte te, unsigned int keyEnforcement,
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+                unsigned int gpgResult, int result)
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+{
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+    int auditFd;
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+    char eventTxt[128], *packageField, *dirField;
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+    const char *dir;
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+
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+    auditFd = audit_open();
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+    if (auditFd < 0)
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+	return;
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+
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+    packageField = audit_encode_nv_string("sw", te->NEVRA, strlen(te->NEVRA));
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+    dir = rpmtsRootDir(te->ts);
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+    dirField = audit_encode_nv_string("root_dir", dir, strlen(dir));
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+
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+    snprintf(eventTxt, sizeof(eventTxt),
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+	"%s sw_type=rpm key_enforce=%u gpg_res=%u %s",
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+	packageField, keyEnforcement, gpgResult, dirField);
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+    audit_log_user_comm_message(auditFd, AUDIT_SOFTWARE_UPDATE, eventTxt,
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+	NULL, NULL, NULL, NULL, result);
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+
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+    free(packageField);
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+    free(dirField);
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+    audit_close(auditFd);
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+
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+    return;
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+}
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+
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 static rpmRC rpmteRunAllCollections(rpmte te, rpmPluginHook hook)
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 {
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     ARGV_const_t colls;
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@@ -977,5 +1031,10 @@
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 	failed = rpmteMarkFailed(te);
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     }
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+    if (auditEnabled) {
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+	audit_rpm_install(te, 0, auditGpgResult, failed ? 0 : 1);
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+	auditEnabled = 0;
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+    }
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+
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     return failed;
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 }
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--- rpm-4.11.3/lib/package.c.old	2018-05-25 09:02:29.132209443 +0200
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+++ rpm-4.11.3/lib/package.c	2018-06-15 12:11:58.996022237 +0200
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@@ -25,6 +25,9 @@
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 static unsigned int nextkeyid  = 0;
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 static unsigned int * keyids;
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+extern int auditGpgResult;
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+extern int auditEnabled;
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+
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 /** \ingroup header
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  * Translate and merge legacy signature tags into header.
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  * @param h		header (dest)
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@@ -646,7 +649,10 @@
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     /** @todo Implement disable/enable/warn/error/anal policy. */
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     rc = rpmVerifySignature(keyring, &sigtd, sig, ctx, &msg;;
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-	
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+
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+    if (auditEnabled && (sig != NULL))
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+	auditGpgResult = (rc == 0);
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+
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     switch (rc) {
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     case RPMRC_OK:		/* Signature is OK. */
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 	rpmlog(RPMLOG_DEBUG, "%s: %s", fn, msg);