From 0fdc95de7e747193a9ca200afd7d481a949d6e99 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Petr=20P=C3=ADsa=C5=99?= <petr.pisar@atlas.cz>
Date: Sun, 27 Jun 2010 20:45:21 +0200
Subject: [PATCH] Implement message authenticity check

This feature is accessible using `authenticate' command.
---
 src/shigofumi.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/shigofumi.c b/src/shigofumi.c
index e4e3465..95fafb9 100644
--- a/src/shigofumi.c
+++ b/src/shigofumi.c
@@ -2077,6 +2077,39 @@ static int shi_verify(int argc, const char **argv) {
 }
 
 
+static int shi_authenticate(int argc, const char **argv) {
+    isds_error err;
+    int retval = 0;
+
+    if (!message) {
+        printf(_("No message loaded\n"));
+        return -1;
+    }
+    if (!message->raw || message->raw_length == 0) {
+        printf(_("Current message is missing raw representation\n"));
+        return -1;
+    }
+
+    printf(_("Submitting message to authenticity check...\n"));
+    err = isds_authenticate_message(cisds, message->raw, message->raw_length);
+    finish_isds_operation(cisds, (err == IE_NOTUNIQ) ? IE_SUCCESS : err);
+
+    switch (err) {
+        case IE_SUCCESS:
+            printf(_("Message originates in ISDS.\n")); break;
+        case IE_NOTUNIQ:
+            printf(_("Message is unknown to ISDS or has been tampered.\n"));
+            retval = -1;
+            break;
+        default:
+            retval = -1;
+            break;
+    }
+
+    return retval;
+}
+
+
 static void shi_accept_message_usage(const char *command) {
     printf(_(
 "Usage: %s [MESSAGE_ID...]\n"
@@ -2960,6 +2993,8 @@ struct command base_commands[] = {
 };
 
 struct command message_commands[] = {
+    { "authenticate", shi_authenticate, N_("check message authenticity"),
+        NULL, ARGTYPE_NONE },
     { "convertdoc", shi_convert_document,
         N_("submit document of current message for authorized conversion"),
         shi_convert_document_usage, ARGTYPE_DOCID },
-- 
2.11.4.GIT