From: Philippe Antoine <pantoine@oisf.net>
Date: Wed, 8 Jun 2022 15:07:45 +0000 (+0200)
Subject: util: fix integer warnings in mime decoding
X-Git-Tag: suricata-7.0.0-beta1~463
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7acdece7d08efb2480fbde8f6a2f7e51950d5497;p=thirdparty%2Fsuricata.git

util: fix integer warnings in mime decoding

Ticket: #4516
---

diff --git a/src/util-decode-mime.c b/src/util-decode-mime.c
index deb91515d9..80fd9d9da6 100644
--- a/src/util-decode-mime.c
+++ b/src/util-decode-mime.c
@@ -1224,7 +1224,7 @@ static uint8_t ProcessBase64Remainder(
         const uint8_t *buf, const uint32_t len, MimeDecParseState *state, int force)
 {
     uint8_t buf_consumed = 0; /* consumed bytes from 'buf' */
-    uint32_t cnt = 0;
+    uint8_t cnt = 0;
     uint8_t block[B64_BLOCK];
 
     /* should be impossible, but lets be defensive */
@@ -1345,7 +1345,7 @@ static int ProcessBase64BodyLine(const uint8_t *buf, uint32_t len,
         uint32_t left = len - consumed;
         if (left < B64_BLOCK) {
             memcpy(state->bvremain, buf + consumed, left);
-            state->bvr_len = left;
+            state->bvr_len = (uint8_t)left;
             return MIME_DEC_OK;
         }
         remaining -= consumed;
@@ -1408,7 +1408,7 @@ static int ProcessBase64BodyLine(const uint8_t *buf, uint32_t len,
             /* If remaining is 4 by this time, we encountered spaces during processing */
             DEBUG_VALIDATE_BUG_ON(state->bvr_len != 0);
             memcpy(state->bvremain, buf + offset + consumed_bytes, leftover_bytes);
-            state->bvr_len = leftover_bytes;
+            state->bvr_len = (uint8_t)leftover_bytes;
             return MIME_DEC_OK;
         }