build: add range check for GDT CSIZE

link-mink · Jan 10, 2022 · 26498e8 · 26498e8
1 parent 8edd69e
commit 26498e8
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -233,6 +233,9 @@ AC_ARG_WITH(gdt-csize,
             [AS_HELP_STRING([--with-gdt-csize], [GDT packet buffer size [default = 1024]])],
             [gdt_csize=$withval],
             [gdt_csize=1024])
+if (($gdt_csize < 1024 || $gdt_csize > 32768)); then
+    AC_MSG_ERROR([Invalid GDT packet buffer value (1024 - 32768)])
+fi
 AC_SUBST(GDT_CSIZE, "$gdt_csize")
 AC_DEFINE_UNQUOTED([GDT_CSIZE], [$gdt_csize], [GDT packet buffer size])
 

diff --git a/src/include/gdt.h b/src/include/gdt.h
@@ -704,7 +704,7 @@ namespace gdt {
         int sctp_len;
         pollfd fds_lst[1];
         int poll_timeout;
-        unsigned char tmp_buff[8192];
+        unsigned char tmp_buff[65536];
         sctp_sndrcvinfo rcvinfo;
         sctp_notification *sctp_ntf;
         sctp_assoc_change *sctp_assoc;