Fix buffer overrun, always writing at buffer size + 1.

[claws.git] / src / plugins / clamd / libclamd / clamd-plugin.c

diff --git a/src/plugins/clamd/libclamd/clamd-plugin.c b/src/plugins/clamd/libclamd/clamd-plugin.c
index 314f626efc405da19416a5e64daa4977f2e0b704..d88b131c3734c30f999fbb6e38beed8e9e1e7e8f 100644 (file)
--- a/src/plugins/clamd/libclamd/clamd-plugin.c
+++ b/src/plugins/clamd/libclamd/clamd-plugin.c
@@ -461,7 +461,7 @@ static Clamd_Stat clamd_stream_scan(int sock,
                return NO_CONNECTION;
        }
 
-       while ((count = read(fd, (void *) buf, sizeof(buf))) > 0) {
+       while ((count = read(fd, (void *) buf, BUFSIZ - 1)) > 0) {
                buf[count] = '\0';
                if (buf[count - 1] == '\n')
                        buf[count - 1] = '\0';
@@ -478,7 +478,7 @@ static Clamd_Stat clamd_stream_scan(int sock,
                        *res = g_strconcat("ERROR -> ", _("Socket write error"), NULL);
                        return SCAN_ERROR;
                }
-               memset(buf, '\0', sizeof(buf));
+               memset(buf, '\0', BUFSIZ - 1);
        }
        if (count == -1) {
                close(fd);