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gss: add 64-bit int {en,de}coders to mechglue

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This commit is contained in:
Luke Howard
2023-01-15 10:17:21 +11:00
parent fbd091d65e
commit 98858aa215
2 changed files with 59 additions and 0 deletions
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54
lib/gssapi/mech/gss_utils.c
View File

@@ -177,6 +177,60 @@ _gss_secure_release_buffer_set(OM_uint32 *minor_status,
return gss_release_buffer_set(minor_status, buffer_set);
}
void
_gss_mg_encode_le_uint64(uint64_t n, uint8_t *p)
{
p[0] = (n >> 0 ) & 0xFF;
p[1] = (n >> 8 ) & 0xFF;
p[2] = (n >> 16) & 0xFF;
p[3] = (n >> 24) & 0xFF;
p[4] = (n >> 32) & 0xFF;
p[5] = (n >> 40) & 0xFF;
p[6] = (n >> 48) & 0xFF;
p[7] = (n >> 56) & 0xFF;
}
void
_gss_mg_decode_le_uint64(const void *ptr, uint64_t *n)
{
const uint8_t *p = ptr;
*n = ((uint64_t)p[0] << 0)
| ((uint64_t)p[1] << 8)
| ((uint64_t)p[2] << 16)
| ((uint64_t)p[3] << 24)
| ((uint64_t)p[4] << 32)
| ((uint64_t)p[5] << 40)
| ((uint64_t)p[6] << 48)
| ((uint64_t)p[7] << 56);
}
void
_gss_mg_encode_be_uint64(uint64_t n, uint8_t *p)
{
p[0] = (n >> 56) & 0xFF;
p[1] = (n >> 48) & 0xFF;
p[2] = (n >> 40) & 0xFF;
p[3] = (n >> 32) & 0xFF;
p[4] = (n >> 24) & 0xFF;
p[5] = (n >> 16) & 0xFF;
p[6] = (n >> 8 ) & 0xFF;
p[7] = (n >> 0 ) & 0xFF;
}
void
_gss_mg_decode_be_uint64(const void *ptr, uint64_t *n)
{
const uint8_t *p = ptr;
*n = ((uint64_t)p[0] << 56)
| ((uint64_t)p[1] << 48)
| ((uint64_t)p[2] << 40)
| ((uint64_t)p[3] << 32)
| ((uint64_t)p[4] << 24)
| ((uint64_t)p[5] << 16)
| ((uint64_t)p[6] << 8)
| ((uint64_t)p[7] << 0);
}
void
_gss_mg_encode_le_uint32(uint32_t n, uint8_t *p)
{

5
lib/gssapi/mech/utils.h
View File

@@ -36,6 +36,11 @@ OM_uint32 _gss_secure_release_buffer(OM_uint32 *minor_status,
OM_uint32 _gss_secure_release_buffer_set(OM_uint32 *minor_status,
gss_buffer_set_t *buffer_set);
void _gss_mg_encode_le_uint64(uint64_t n, uint8_t *p);
void _gss_mg_decode_le_uint64(const void *ptr, uint64_t *n);
void _gss_mg_encode_be_uint64(uint64_t n, uint8_t *p);
void _gss_mg_decode_be_uint64(const void *ptr, uint64_t *n);
void _gss_mg_encode_le_uint32(uint32_t n, uint8_t *p);
void _gss_mg_decode_le_uint32(const void *ptr, uint32_t *n);
void _gss_mg_encode_be_uint32(uint32_t n, uint8_t *p);