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Linux 6.8: Add function prototypes for krb5

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The external files for heimdal/krb5 do not provide function prototypes
in a header file that is used when building files that we use from
heimdal/krb5 (e.g. crypto.c).

These functions are flagged due to missing prototypes when building
against a Linux 6.8 kernel (which sets the -Wmissing-declarations and
-Wmissing-prototypes compiler flags as default). Linux 6.8 commit:
 'Makefile.extrawarn: turn on missing-prototypes globally' (0fcb70851f).

When building against a kernel with CONFIG_WERROR=y, the build fails.

We cannot modify the external source files, however there is the local
OpenAFS include file, krb5_locl.h, that does contain OpenAFS specific
changes.

Add declarations to krb5_locl.h for the functions defined in the
heimdal/krb5 source.

There are no functional changes with this commit.

Reviewed-on: https://gerrit.openafs.org/15621
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
(cherry picked from commit 612927dd1dd44bbd08eda790de12b24213583156)

Change-Id: Iaae28186a24c3c5ca4407de9563c8cfed9644921
Reviewed-on: https://gerrit.openafs.org/15692
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
This commit is contained in:
Cheyenne Wills 2024-02-07 15:25:10 -07:00 committed by Benjamin Kaduk
parent 15357006d9
commit b1c93f1387
1 changed files with 132 additions and 0 deletions
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132
src/crypto/rfc3961/krb5_locl.h
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@ -287,6 +287,138 @@ krb5_error_code krb5_enctype_to_string(krb5_context context,
krb5_enctype etype,
char **string);
/*
* Unused prototypes from heimdal/krb5. These are functions that are not used
* outside of their compilation unit at all, but we may need to declare them to
* avoid compiler warnings.
*/
struct _krb5_key_data;
struct _krb5_encryption_type;
/* heimdal/krb5/crypto.c */
KRB5_LIB_FUNCTION krb5_error_code _krb5_derive_key(krb5_context context,
struct _krb5_encryption_type *et,
struct _krb5_key_data *key,
const void *constant,
size_t len);
KRB5_LIB_FUNCTION krb5_error_code krb5_allow_weak_crypto(krb5_context context,
krb5_boolean enable);
KRB5_LIB_FUNCTION krb5_error_code krb5_checksum_disable(krb5_context context,
krb5_cksumtype type);
KRB5_LIB_FUNCTION krb5_boolean krb5_checksum_is_keyed(krb5_context context,
krb5_cksumtype type);
KRB5_LIB_FUNCTION krb5_error_code krb5_cksumtype_valid(krb5_context context,
krb5_cksumtype ctype);
KRB5_LIB_FUNCTION krb5_error_code krb5_create_checksum_iov(krb5_context context,
krb5_crypto crypto,
unsigned usage,
krb5_crypto_iov *data,
unsigned int num_data,
krb5_cksumtype *type);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_getblocksize(krb5_context context,
krb5_crypto crypto,
size_t *blocksize);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_getenctype(krb5_context context,
krb5_crypto crypto,
krb5_enctype *enctype);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_getpadsize(krb5_context context,
krb5_crypto crypto,
size_t *padsize);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_length(krb5_context context,
krb5_crypto crypto,
int type,
size_t *len);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_length_iov(krb5_context context,
krb5_crypto crypto,
krb5_crypto_iov *data,
unsigned int num_data);
KRB5_LIB_FUNCTION krb5_error_code krb5_decrypt_iov_ivec(krb5_context context,
krb5_crypto crypto,
unsigned usage,
krb5_crypto_iov *data,
unsigned int num_data,
void *ivec);
KRB5_LIB_FUNCTION krb5_error_code krb5_decrypt_ivec(krb5_context context,
krb5_crypto crypto,
unsigned usage,
void *data,
size_t len,
krb5_data *result,
void *ivec);
KRB5_LIB_FUNCTION krb5_error_code krb5_encrypt_iov_ivec(krb5_context context,
krb5_crypto crypto,
unsigned usage,
krb5_crypto_iov *data,
int num_data,
void *ivec);
KRB5_LIB_FUNCTION krb5_error_code krb5_encrypt_ivec(krb5_context context,
krb5_crypto crypto,
unsigned usage,
const void *data,
size_t len,
krb5_data *result,
void *ivec);
KRB5_LIB_FUNCTION krb5_error_code krb5_enctype_disable(krb5_context context,
krb5_enctype enctype);
KRB5_LIB_FUNCTION krb5_error_code krb5_enctype_enable(krb5_context context,
krb5_enctype enctype);
KRB5_LIB_FUNCTION krb5_error_code krb5_enctype_to_keytype(krb5_context context,
krb5_enctype etype,
krb5_keytype *keytype);
KRB5_LIB_FUNCTION size_t krb5_get_wrapped_length (krb5_context context,
krb5_crypto crypto,
size_t data_len);
KRB5_LIB_FUNCTION krb5_error_code krb5_hmac(krb5_context context,
krb5_cksumtype cktype,
const void *data,
size_t len,
unsigned usage,
krb5_keyblock *key,
Checksum *result);
KRB5_LIB_FUNCTION krb5_boolean krb5_is_enctype_weak(krb5_context context,
krb5_enctype enctype);
KRB5_LIB_FUNCTION krb5_error_code krb5_string_to_enctype(krb5_context context,
const char *string,
krb5_enctype *etype);
KRB5_LIB_FUNCTION krb5_error_code krb5_verify_checksum_iov(krb5_context context,
krb5_crypto crypto,
unsigned usage,
krb5_crypto_iov *data,
unsigned int num_data,
krb5_cksumtype *type);
KRB5_LIB_FUNCTION krb5_error_code krb5_generate_random_keyblock(krb5_context context,
krb5_enctype type,
krb5_keyblock *key);
KRB5_LIB_FUNCTION krb5_boolean krb5_checksum_is_collision_proof(krb5_context context,
krb5_cksumtype type);
KRB5_LIB_FUNCTION krb5_error_code krb5_cksumtype_to_enctype(krb5_context context,
krb5_cksumtype ctype,
krb5_enctype *etype);
KRB5_LIB_FUNCTION krb5_error_code krb5_encrypt_EncryptedData(krb5_context context,
krb5_crypto crypto,
unsigned usage,
void *data,
size_t len,
int kvno,
EncryptedData *result);
KRB5_LIB_FUNCTION krb5_error_code krb5_crypto_getconfoundersize(krb5_context context,
krb5_crypto crypto,
size_t *confoundersize);
KRB5_LIB_FUNCTION krb5_error_code krb5_decrypt_EncryptedData(krb5_context context,
krb5_crypto crypto,
unsigned usage,
const EncryptedData *e,
krb5_data *result);
/* heimdal/krb5/data.c */
KRB5_LIB_FUNCTION krb5_error_code krb5_data_realloc(krb5_data *p, int len);
KRB5_LIB_FUNCTION krb5_error_code krb5_copy_data(krb5_context context,
const krb5_data *indata,
krb5_data **outdata);
KRB5_LIB_FUNCTION int krb5_data_cmp(const krb5_data *data1, const krb5_data *data2);
/* heimdal/krb5/store-int.c */
KRB5_LIB_FUNCTION krb5_ssize_t _krb5_get_int(void *buffer, unsigned long *value, size_t size);
#include "crypto.h"
struct _krb5_checksum_type * _krb5_find_checksum (krb5_cksumtype);