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use constants

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This commit is contained in:
Love Hörnquist Åstrand
2013-11-17 17:03:10 +01:00
parent cde59c543d
commit 3af1b3a8a6
1 changed files with 23 additions and 12 deletions
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35
lib/ntlm/ntlm.c
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@@ -260,6 +260,13 @@ ascii2ucs2le(const char *string, int up, struct ntlm_buf *buf)
return 0;
}
/*
* Sizes in bytes
*/
#define SIZE_SEC_BUFFER (2+2+4)
#define SIZE_OS_VERSION (8)
/*
*
*/
@@ -722,24 +729,28 @@ heim_ntlm_encode_type1(const struct ntlm_type1 *type1, struct ntlm_buf *data)
struct sec_buffer domain, hostname;
krb5_storage *out;
uint32_t base, flags;
int ucs2 = 0;
flags = type1->flags;
base = 16;
if (flags & NTLM_NEG_UNICODE)
ucs2 = 1;
if (type1->domain) {
base += 8;
base += SIZE_SEC_BUFFER;
flags |= NTLM_OEM_SUPPLIED_DOMAIN;
}
if (type1->hostname) {
base += 8;
base += SIZE_SEC_BUFFER;
flags |= NTLM_OEM_SUPPLIED_WORKSTATION;
}
if (flags & NTLM_NEG_VERSION)
base += 8; /* os */
base += SIZE_OS_VERSION; /* os */
domain.offset = base;
if (type1->domain) {
domain.length = len_string(0, type1->domain);
domain.length = len_string(ucs2, type1->domain);
domain.allocated = domain.length;
} else {
domain.length = 0;
@@ -748,7 +759,7 @@ heim_ntlm_encode_type1(const struct ntlm_type1 *type1, struct ntlm_buf *data)
hostname.offset = domain.allocated + domain.offset;
if (type1->hostname) {
hostname.length = len_string(0, type1->hostname);
hostname.length = len_string(ucs2, type1->hostname);
hostname.allocated = hostname.length;
} else {
hostname.length = 0;
@@ -771,9 +782,9 @@ heim_ntlm_encode_type1(const struct ntlm_type1 *type1, struct ntlm_buf *data)
CHECK(encode_os_version(out), 0);
}
if (type1->domain)
CHECK(put_string(out, 0, type1->domain), 0);
CHECK(put_string(out, ucs2, type1->domain), 0);
if (type1->hostname)
CHECK(put_string(out, 0, type1->hostname), 0);
CHECK(put_string(out, ucs2, type1->hostname), 0);
{
krb5_data d;
@@ -881,7 +892,7 @@ heim_ntlm_encode_type2(const struct ntlm_type2 *type2, struct ntlm_buf *data)
base = 48;
if (type2->flags & NTLM_NEG_VERSION)
base += 8;
base += SIZE_OS_VERSION;
if (type2->flags & NTLM_NEG_UNICODE)
ucs2 = 1;
@@ -1003,12 +1014,12 @@ heim_ntlm_decode_type3(const struct ntlm_buf *buf,
min_offset = MIN(min_offset, sessionkey.offset);
CHECK(krb5_ret_uint32(in, &type3->flags), 0);
}
if (min_offset >= 52 + 8 + 4 + 8) {
if (min_offset >= 52 + SIZE_SEC_BUFFER + 4 + SIZE_OS_VERSION) {
CHECK(krb5_ret_uint32(in, &type3->os[0]), 0);
CHECK(krb5_ret_uint32(in, &type3->os[1]), 0);
}
if (min_offset >= 52 + 8 + 4 + 8 + 16) {
type3->mic_offset = 52 + 8 + 4 + 8;
if (min_offset >= 52 + SIZE_SEC_BUFFER + 4 + SIZE_OS_VERSION + 16) {
type3->mic_offset = 52 + SIZE_SEC_BUFFER + 4 + SIZE_OS_VERSION;
CHECK_SIZE(krb5_storage_read(in, type3->mic, sizeof(type3->mic)), sizeof(type3->mic));
} else
type3->mic_offset = 0;
@@ -1063,7 +1074,7 @@ heim_ntlm_encode_type3(const struct ntlm_type3 *type3, struct ntlm_buf *data, si
base += 8; /* sessionkey sec buf */
base += 4; /* flags */
if (type3->flags & NTLM_NEG_VERSION)
base += 8; /* os flags */
base += SIZE_OS_VERSION; /* os flags */
if (mic_offset) {
*mic_offset = base;