summaryrefslogtreecommitdiff
path: root/com32/lib/syslinux/pxe_dns.c
diff options
context:
space:
mode:
Diffstat (limited to 'com32/lib/syslinux/pxe_dns.c')
-rw-r--r--com32/lib/syslinux/pxe_dns.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/com32/lib/syslinux/pxe_dns.c b/com32/lib/syslinux/pxe_dns.c
deleted file mode 100644
index 6620396f..00000000
--- a/com32/lib/syslinux/pxe_dns.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright 2010 Intel Corporation; author: H. Peter Anvin
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall
- * be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * pxe_dns.c
- *
- * Resolve a hostname via DNS
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <com32.h>
-
-#include <syslinux/pxe.h>
-
-/* Returns the status code from PXE (0 on success),
- or -1 on invocation failure */
-uint32_t pxe_dns(const char *hostname)
-{
- com32sys_t regs;
- union {
- unsigned char b[4];
- uint32_t ip;
- } q;
- char *lm_hostname;
-
- /* Is this a dot-quad? */
- if (sscanf(hostname, "%hhu.%hhu.%hhu.%hhu",
- &q.b[0], &q.b[1], &q.b[2], &q.b[3]) == 4)
- return q.ip;
-
- lm_hostname = lstrdup(hostname);
- if (!lm_hostname)
- return 0;
-
- memset(&regs, 0, sizeof regs);
- regs.eax.w[0] = 0x0010;
- regs.es = SEG(lm_hostname);
- /* regs.ebx.w[0] = OFFS(lm_hostname); */
-
- __intcall(0x22, &regs, &regs);
-
- lfree(lm_hostname);
-
- if (regs.eflags.l & EFLAGS_CF)
- return 0;
-
- return regs.eax.l;
-}