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-rw-r--r--inet/Makefile4
-rw-r--r--inet/inet6_opt.c36
-rw-r--r--inet/test-inet6_opt.c207
3 files changed, 20 insertions, 227 deletions
diff --git a/inet/Makefile b/inet/Makefile
index 3f796e4..075716f 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 1991-2002, 2003, 2004, 2006 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@@ -52,7 +52,7 @@ routines := htonl htons \
aux := check_pf ifreq
tests := htontest test_ifindex tst-ntoa tst-ether_aton tst-network \
- tst-gethnm test-ifaddrs bug-if1 test-inet6_opt
+ tst-gethnm test-ifaddrs bug-if1
include ../Rules
diff --git a/inet/inet6_opt.c b/inet/inet6_opt.c
index 17d3fee..bddb851 100644
--- a/inet/inet6_opt.c
+++ b/inet/inet6_opt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
@@ -51,7 +51,7 @@ add_padding (uint8_t *extbuf, int offset, int npad)
{
if (npad == 1)
extbuf[offset] = IP6OPT_PAD1;
- else if (npad > 0)
+ else
{
struct ip6_opt *pad_opt = (struct ip6_opt *) (extbuf + offset);
@@ -102,17 +102,21 @@ inet6_opt_append (void *extbuf, socklen_t extlen, int offset, uint8_t type,
int data_offset = offset + sizeof (struct ip6_opt);
int npad = (align - data_offset % align) & (align - 1);
- if (extbuf != NULL)
- {
- /* Now we can check whether the buffer is large enough. */
- if (data_offset + npad + len > extlen)
- return -1;
+ /* Now we can check whether the buffer is large enough. */
+ if (data_offset + npad + len > extlen)
+ return -1;
- add_padding (extbuf, offset, npad);
+ if (npad != 0)
+ {
+ if (extbuf != NULL)
+ add_padding (extbuf, offset, npad);
offset += npad;
+ }
- /* Now prepare the option itself. */
+ /* Now prepare the option itself. */
+ if (extbuf != NULL)
+ {
struct ip6_opt *opt = (struct ip6_opt *) ((uint8_t *) extbuf + offset);
opt->ip6o_type = type;
@@ -120,8 +124,6 @@ inet6_opt_append (void *extbuf, socklen_t extlen, int offset, uint8_t type,
*databufp = opt + 1;
}
- else
- offset += npad;
return offset + sizeof (struct ip6_opt) + len;
}
@@ -143,14 +145,12 @@ inet6_opt_finish (void *extbuf, socklen_t extlen, int offset)
/* Required padding at the end. */
int npad = (8 - (offset & 7)) & 7;
- if (extbuf != NULL)
- {
- /* Make sure the buffer is large enough. */
- if (offset + npad > extlen)
- return -1;
+ /* Make sure the buffer is large enough. */
+ if (offset + npad > extlen)
+ return -1;
- add_padding (extbuf, offset, npad);
- }
+ if (extbuf != NULL)
+ add_padding (extbuf, offset, npad);
return offset + npad;
}
diff --git a/inet/test-inet6_opt.c b/inet/test-inet6_opt.c
deleted file mode 100644
index 4db9b59..0000000
--- a/inet/test-inet6_opt.c
+++ /dev/null
@@ -1,207 +0,0 @@
-#include <netinet/in.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define OPT_X 42
-#define OPT_Y 43
-#define OPT_Z 44
-
-static void *
-encode_inet6_opt (socklen_t *elp)
-{
- void *eb = NULL;
- socklen_t el;
- int cl;
- void *db;
- int offset;
- uint8_t val1;
- uint16_t val2;
- uint32_t val4;
- uint64_t val8;
-
- *elp = 0;
-#define CHECK() \
- if (cl == -1) \
- { \
- printf ("cl == -1 on line %d\n", __LINE__); \
- free (eb); \
- return NULL; \
- }
-
- /* Estimate the length */
- cl = inet6_opt_init (NULL, 0);
- CHECK ();
- cl = inet6_opt_append (NULL, 0, cl, OPT_X, 12, 8, NULL);
- CHECK ();
- cl = inet6_opt_append (NULL, 0, cl, OPT_Y, 7, 4, NULL);
- CHECK ();
- cl = inet6_opt_append (NULL, 0, cl, OPT_Z, 7, 1, NULL);
- CHECK ();
- cl = inet6_opt_finish (NULL, 0, cl);
- CHECK ();
- el = cl;
-
- eb = malloc (el + 8);
- if (eb == NULL)
- {
- puts ("malloc failed");
- return NULL;
- }
- /* Canary. */
- memcpy (eb + el, "deadbeef", 8);
-
- cl = inet6_opt_init (eb, el);
- CHECK ();
-
- cl = inet6_opt_append (eb, el, cl, OPT_X, 12, 8, &db);
- CHECK ();
- val4 = 0x12345678;
- offset = inet6_opt_set_val (db, 0, &val4, sizeof (val4));
- val8 = 0x0102030405060708LL;
- inet6_opt_set_val (db, offset, &val8, sizeof (val8));
-
- cl = inet6_opt_append (eb, el, cl, OPT_Y, 7, 4, &db);
- CHECK ();
- val1 = 0x01;
- offset = inet6_opt_set_val (db, 0, &val1, sizeof (val1));
- val2 = 0x1331;
- offset = inet6_opt_set_val (db, offset, &val2, sizeof (val2));
- val4 = 0x01020304;
- inet6_opt_set_val (db, offset, &val4, sizeof (val4));
-
- cl = inet6_opt_append (eb, el, cl, OPT_Z, 7, 1, &db);
- CHECK ();
- inet6_opt_set_val (db, 0, (void *) "abcdefg", 7);
-
- cl = inet6_opt_finish (eb, el, cl);
- CHECK ();
-
- if (memcmp (eb + el, "deadbeef", 8) != 0)
- {
- puts ("Canary corrupted");
- free (eb);
- return NULL;
- }
- *elp = el;
- return eb;
-}
-
-int
-decode_inet6_opt (void *eb, socklen_t el)
-{
- int ret = 0;
- int seq = 0;
- int cl = 0;
- int offset;
- uint8_t type;
- socklen_t len;
- uint8_t val1;
- uint16_t val2;
- uint32_t val4;
- uint64_t val8;
- void *db;
- char buf[8];
-
- while ((cl = inet6_opt_next (eb, el, cl, &type, &len, &db)) != -1)
- switch (type)
- {
- case OPT_X:
- if (seq++ != 0)
- {
- puts ("OPT_X is not first");
- ret = 1;
- }
- if (len != 12)
- {
- printf ("OPT_X's length %d != 12\n", len);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, 0, &val4, sizeof (val4));
- if (val4 != 0x12345678)
- {
- printf ("OPT_X's val4 %x != 0x12345678\n", val4);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, offset, &val8, sizeof (val8));
- if (offset != len || val8 != 0x0102030405060708LL)
- {
- printf ("OPT_X's val8 %llx != 0x0102030405060708\n",
- (long long) val8);
- ret = 1;
- }
- break;
- case OPT_Y:
- if (seq++ != 1)
- {
- puts ("OPT_Y is not second");
- ret = 1;
- }
- if (len != 7)
- {
- printf ("OPT_Y's length %d != 7\n", len);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, 0, &val1, sizeof (val1));
- if (val1 != 0x01)
- {
- printf ("OPT_Y's val1 %x != 0x01\n", val1);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, offset, &val2, sizeof (val2));
- if (val2 != 0x1331)
- {
- printf ("OPT_Y's val2 %x != 0x1331\n", val2);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, offset, &val4, sizeof (val4));
- if (offset != len || val4 != 0x01020304)
- {
- printf ("OPT_Y's val4 %x != 0x01020304\n", val4);
- ret = 1;
- }
- break;
- case OPT_Z:
- if (seq++ != 2)
- {
- puts ("OPT_Z is not third");
- ret = 1;
- }
- if (len != 7)
- {
- printf ("OPT_Z's length %d != 7\n", len);
- ret = 1;
- }
- offset = inet6_opt_get_val (db, 0, buf, 7);
- if (offset != len || memcmp (buf, "abcdefg", 7) != 0)
- {
- buf[7] = '\0';
- printf ("OPT_Z's buf \"%s\" != \"abcdefg\"\n", buf);
- ret = 1;
- }
- break;
- default:
- printf ("Unknown option %d\n", type);
- ret = 1;
- break;
- }
- if (seq != 3)
- {
- puts ("Didn't see all of OPT_X, OPT_Y and OPT_Z");
- ret = 1;
- }
- return ret;
-}
-
-int
-main (void)
-{
- void *eb;
- socklen_t el;
- eb = encode_inet6_opt (&el);
- if (eb == NULL)
- return 1;
- if (decode_inet6_opt (eb, el))
- return 1;
- return 0;
-}
generated by cgit v1.1 at 2024-12-26 06:46:01 +0000