OpenDNSSEC-libhsm
2.0.4
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#include "config.h"
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include <dlfcn.h>
#include <ldns/ldns.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include <libxml/relaxng.h>
#include "libhsm.h"
#include "libhsmdns.h"
#include "compat.h"
#include "duration.h"
#include <pkcs11.h>
#include <pthread.h>
Go to the source code of this file.
Macros | |
#define | HSM_TOKEN_LABEL_LENGTH 32 |
Functions | |
void | hsm_ctx_set_error (hsm_ctx_t *ctx, int error, const char *action, const char *message,...) |
hsm_repository_t * | hsm_repository_new (char *name, char *module, char *tokenlabel, char *pin, uint8_t use_pubkey, uint8_t require_backup) |
void | hsm_repository_free (hsm_repository_t *r) |
int | hsm_open2 (hsm_repository_t *rlist, char *(pin_callback)(unsigned int, const char *, unsigned int)) |
void | hsm_close () |
hsm_ctx_t * | hsm_create_context () |
int | hsm_check_context () |
void | hsm_destroy_context (hsm_ctx_t *ctx) |
hsm_sign_params_t * | hsm_sign_params_new () |
void | hsm_sign_params_free (hsm_sign_params_t *params) |
libhsm_key_t ** | hsm_list_keys (hsm_ctx_t *ctx, size_t *count) |
libhsm_key_t ** | hsm_list_keys_repository (hsm_ctx_t *ctx, size_t *count, const char *repository) |
libhsm_key_t * | hsm_find_key_by_id (hsm_ctx_t *ctx, const char *id) |
libhsm_key_t * | hsm_generate_rsa_key (hsm_ctx_t *ctx, const char *repository, unsigned long keysize) |
libhsm_key_t * | hsm_generate_dsa_key (hsm_ctx_t *ctx, const char *repository, unsigned long keysize) |
libhsm_key_t * | hsm_generate_gost_key (hsm_ctx_t *ctx, const char *repository) |
libhsm_key_t * | hsm_generate_ecdsa_key (hsm_ctx_t *ctx, const char *repository, const char *curve) |
int | hsm_remove_key (hsm_ctx_t *ctx, libhsm_key_t *key) |
void | libhsm_key_list_free (libhsm_key_t **key_list, size_t count) |
char * | hsm_get_key_id (hsm_ctx_t *ctx, const libhsm_key_t *key) |
libhsm_key_info_t * | hsm_get_key_info (hsm_ctx_t *ctx, const libhsm_key_t *key) |
void | libhsm_key_info_free (libhsm_key_info_t *key_info) |
ldns_rr * | hsm_sign_rrset (hsm_ctx_t *ctx, const ldns_rr_list *rrset, const libhsm_key_t *key, const hsm_sign_params_t *sign_params) |
int | hsm_keytag (const char *loc, int alg, int ksk, uint16_t *keytag) |
ldns_rr * | hsm_get_dnskey (hsm_ctx_t *ctx, const libhsm_key_t *key, const hsm_sign_params_t *sign_params) |
int | hsm_random_buffer (hsm_ctx_t *ctx, unsigned char *buffer, unsigned long length) |
uint32_t | hsm_random32 (hsm_ctx_t *ctx) |
uint64_t | hsm_random64 (hsm_ctx_t *ctx) |
int | hsm_attach (const char *repository, const char *token_label, const char *path, const char *pin, const hsm_config_t *config) |
int | hsm_token_attached (hsm_ctx_t *ctx, const char *repository) |
char * | hsm_get_error (hsm_ctx_t *gctx) |
void | hsm_print_session (hsm_session_t *session) |
void | hsm_print_ctx (hsm_ctx_t *ctx) |
void | hsm_print_key (hsm_ctx_t *ctx, libhsm_key_t *key) |
void | hsm_print_error (hsm_ctx_t *gctx) |
void | hsm_print_tokeninfo (hsm_ctx_t *ctx) |
void | keycache_create (hsm_ctx_t *ctx) |
void | keycache_destroy (hsm_ctx_t *ctx) |
const libhsm_key_t * | keycache_lookup (hsm_ctx_t *ctx, const char *locator) |
Variables | |
hsm_ctx_t * | _hsm_ctx |
pthread_mutex_t | _hsm_ctx_mutex = PTHREAD_MUTEX_INITIALIZER |
#define HSM_TOKEN_LABEL_LENGTH 32 |
int hsm_attach | ( | const char * | repository, |
const char * | token_name, | ||
const char * | path, | ||
const char * | pin, | ||
const hsm_config_t * | config | ||
) |
Attached a named HSM using a PKCS#11 shared library and optional credentials (may be NULL, but then undefined) This function changes the global state, and is not threadsafe
repository | the name of the repository |
token_label | the name of the token to attach |
path | the path of the shared PKCS#11 library |
pin | the PIN to log into the token |
config | optional configuration |
int hsm_check_context | ( | ) |
Check HSM context
Check if the associated sessions are still alive. If they are not alive, then try re-open libhsm.
context | HSM context |
Definition at line 2266 of file libhsm.c.
References _hsm_ctx, _hsm_ctx_mutex, ctx, hsm_session_t::module, hsm_session_t::session, hsm_ctx_t::session, hsm_ctx_t::session_count, and hsm_module_t::sym.
void hsm_close | ( | void | ) |
Close HSM library
Log out and detach from all configured HSMs This cleans up all data for libhsm, and should be the last function called.
Definition at line 2247 of file libhsm.c.
References _hsm_ctx_mutex.
hsm_ctx_t* hsm_create_context | ( | void | ) |
Create new HSM context
Creates a new session for each attached HSM. The returned hsm_ctx_t * can be freed with hsm_destroy_context()
Definition at line 2256 of file libhsm.c.
References _hsm_ctx_mutex.
Referenced by hsm_keytag().
void hsm_ctx_set_error | ( | hsm_ctx_t * | ctx, |
int | error, | ||
const char * | action, | ||
const char * | message, | ||
... | |||
) |
Set HSM Context Error
If the ctx is given, and it's error value is still 0, the value will be set to 'error', and the error_message and error_action will be set to the given strings.
ctx | HSM context |
error | error code |
action | action for which the error occured |
message | error message format string |
Definition at line 203 of file libhsm.c.
References hsm_ctx_t::error, hsm_ctx_t::error_action, and hsm_ctx_t::error_message.
Referenced by hsm_get_dnskey(), hsm_logout_pin(), and hsm_token_attached().
void hsm_destroy_context | ( | hsm_ctx_t * | context | ) |
Destroy HSM context
context | HSM context |
Also destroys any associated sessions.
Definition at line 2321 of file libhsm.c.
Referenced by hsm_keytag().
libhsm_key_t* hsm_find_key_by_id | ( | hsm_ctx_t * | context, |
const char * | id | ||
) |
Find a key pair by CKA_ID (as hex string)
The returned key structure can be freed with free()
context | HSM context |
id | CKA_ID of key to find (null-terminated string of hex characters) |
Definition at line 2399 of file libhsm.c.
Referenced by hsm_keytag(), and keycache_lookup().
libhsm_key_t* hsm_generate_dsa_key | ( | hsm_ctx_t * | context, |
const char * | repository, | ||
unsigned long | keysize | ||
) |
Generate new key pair in HSM
Keys generated by libhsm will have a 16-byte identifier set as CKA_ID and the hexadecimal representation of it set as CKA_LABEL.
The returned key structure can be freed with free()
context | HSM context |
repository | repository in where to create the key |
keysize | Size of DSA key |
libhsm_key_t* hsm_generate_ecdsa_key | ( | hsm_ctx_t * | context, |
const char * | repository, | ||
const char * | curve | ||
) |
Generate new key pair in HSM
Keys generated by libhsm will have a 16-byte identifier set as CKA_ID and the hexadecimal representation of it set as CKA_LABEL.
The returned key structure can be freed with free()
context | HSM context |
repository | repository in where to create the key |
curve | which curve to use |
libhsm_key_t* hsm_generate_gost_key | ( | hsm_ctx_t * | context, |
const char * | repository | ||
) |
Generate new key pair in HSM
Keys generated by libhsm will have a 16-byte identifier set as CKA_ID and the hexadecimal representation of it set as CKA_LABEL.
The returned key structure can be freed with free()
context | HSM context |
repository | repository in where to create the key |
libhsm_key_t* hsm_generate_rsa_key | ( | hsm_ctx_t * | context, |
const char * | repository, | ||
unsigned long | keysize | ||
) |
Generate new key pair in HSM
Keys generated by libhsm will have a 16-byte identifier set as CKA_ID and the hexadecimal representation of it set as CKA_LABEL. Other stuff, like exponent, may be needed here as well.
The returned key structure can be freed with free()
context | HSM context |
repository | repository in where to create the key |
keysize | Size of RSA key |
Definition at line 2428 of file libhsm.c.
References CK_FALSE, CK_TRUE, CKK_RSA, CKM_RSA_PKCS_KEY_PAIR_GEN, and NULL_PTR.
Referenced by hsm_test().
ldns_rr* hsm_get_dnskey | ( | hsm_ctx_t * | ctx, |
const libhsm_key_t * | key, | ||
const hsm_sign_params_t * | sign_params | ||
) |
Get DNSKEY RR
The returned ldns_rr structure can be freed with ldns_rr_free()
context | HSM context |
key | Key to get DNSKEY RR from |
sign_params | the signing parameters (flags, algorithm, etc) |
Definition at line 3041 of file libhsm.c.
References hsm_ctx_set_error().
Referenced by hsm_keytag().
char* hsm_get_error | ( | hsm_ctx_t * | gctx | ) |
Return the current error message
The returned message is allocated data, and must be free()d by the caller
ctx | HSM context |
Definition at line 3188 of file libhsm.c.
References _hsm_ctx, ctx, hsm_ctx_t::error, hsm_ctx_t::error_action, hsm_ctx_t::error_message, and HSM_ERROR_MSGSIZE.
Referenced by hsm_print_error().
char* hsm_get_key_id | ( | hsm_ctx_t * | context, |
const libhsm_key_t * | key | ||
) |
Get id as null-terminated hex string using key identifier
The returned id is allocated data, and must be free()d by the caller
context | HSM context |
key | Key pair to get the ID from |
Definition at line 2836 of file libhsm.c.
Referenced by hsm_test().
libhsm_key_info_t* hsm_get_key_info | ( | hsm_ctx_t * | context, |
const libhsm_key_t * | key | ||
) |
Get extended key information
The returned id is allocated data, and must be freed by the caller With libhsm_key_info_free()
context | HSM context |
key | Key pair to get information about |
Definition at line 2866 of file libhsm.c.
Referenced by hsm_print_key().
int hsm_keytag | ( | const char * | loc, |
int | alg, | ||
int | ksk, | ||
uint16_t * | keytag | ||
) |
Calculate keytag
loc | Locator of keydata on HSM | |
alg | Algorithm of key | |
ksk | 0 for zsk, positive int for ksk|csk | |
[out] | keytag | the calculated keytag return: non-zero in case of failure |
Definition at line 2985 of file libhsm.c.
References hsm_sign_params_t::algorithm, hsm_sign_params_t::flags, hsm_create_context(), hsm_destroy_context(), hsm_find_key_by_id(), hsm_get_dnskey(), hsm_sign_params_free(), hsm_sign_params_new(), and hsm_sign_params_t::owner.
libhsm_key_t** hsm_list_keys | ( | hsm_ctx_t * | context, |
size_t * | count | ||
) |
List all known keys in all attached HSMs
After the function has run, the value at count contains the number of keys found.
The resulting key list can be freed with libhsm_key_list_free() Alternatively, each individual key structure in the list could be freed with free()
context | HSM context |
count | location to store the number of keys found |
Definition at line 2356 of file libhsm.c.
References hsm_ctx_t::session_count.
libhsm_key_t** hsm_list_keys_repository | ( | hsm_ctx_t * | context, |
size_t * | count, | ||
const char * | repository | ||
) |
List all known keys in a HSM
After the function has run, the value at count contains the number of keys found.
The resulting key list can be freed with libhsm_key_list_free() Alternatively, each individual key structure in the list could be freed with free()
context | HSM context |
count | location to store the number of keys found |
repository | repository to list the keys in |
int hsm_open2 | ( | hsm_repository_t * | rlist, |
char * | pin_callback)(unsigned int, const char *, unsigned int | ||
) |
Open HSM library
rlist | Repository list. |
pin_callback | This function will be called for tokens that have no PIN configured. The default hsm_prompt_pin() can be used. If this value is NULL, these tokens will be skipped. |
Attaches all HSMs in the repository list, querying for PINs (using the given callback function) if not known. Also creates initial sessions (not part of any context; every API function that takes a context can be passed NULL, in which case the global context will be used) and log into each HSM.
Definition at line 2184 of file libhsm.c.
References _hsm_ctx_mutex, and HSM_OK.
void hsm_print_ctx | ( | hsm_ctx_t * | ctx | ) |
Definition at line 3229 of file libhsm.c.
References hsm_print_session(), hsm_ctx_t::session, and hsm_ctx_t::session_count.
void hsm_print_error | ( | hsm_ctx_t * | gctx | ) |
void hsm_print_key | ( | hsm_ctx_t * | ctx, |
libhsm_key_t * | key | ||
) |
Definition at line 3240 of file libhsm.c.
References libhsm_key_info_t::algorithm_name, hsm_get_key_info(), libhsm_key_info_t::id, libhsm_key_info_t::keysize, libhsm_key_info_free(), libhsm_key_t::modulename, libhsm_key_t::private_key, and libhsm_key_t::public_key.
void hsm_print_session | ( | hsm_session_t * | session | ) |
Definition at line 3219 of file libhsm.c.
References hsm_session_t::module, hsm_module_t::name, hsm_module_t::path, hsm_session_t::session, hsm_module_t::sym, and hsm_module_t::token_label.
Referenced by hsm_print_ctx().
void hsm_print_tokeninfo | ( | hsm_ctx_t * | ctx | ) |
Definition at line 3281 of file libhsm.c.
References hsm_ctx_t::session, hsm_ctx_t::session_count, and slot_id.
uint32_t hsm_random32 | ( | hsm_ctx_t * | ctx | ) |
Return unsigned 32-bit random number from any attached HSM
context | HSM context |
Definition at line 3114 of file libhsm.c.
References hsm_random_buffer().
uint64_t hsm_random64 | ( | hsm_ctx_t * | ctx | ) |
Return unsigned 64-bit random number from any attached HSM
context | HSM context |
Definition at line 3129 of file libhsm.c.
References hsm_random_buffer().
int hsm_random_buffer | ( | hsm_ctx_t * | ctx, |
unsigned char * | buffer, | ||
unsigned long | length | ||
) |
Fill a buffer with random data from any attached HSM
context | HSM context |
buffer | Buffer to fill with random data |
length | Size of random buffer |
Definition at line 3087 of file libhsm.c.
References CKR_OK, hsm_session_t::module, hsm_session_t::session, hsm_ctx_t::session, hsm_ctx_t::session_count, and hsm_module_t::sym.
Referenced by hsm_random32(), and hsm_random64().
int hsm_remove_key | ( | hsm_ctx_t * | context, |
libhsm_key_t * | key | ||
) |
Remove a key pair from HSM
When a key is removed, the module pointer is set to NULL, and the public and private key handles are set to 0. The structure still needs to be freed.
context | HSM context |
key | Key pair to be removed |
void hsm_repository_free | ( | hsm_repository_t * | r | ) |
Free configured repositories.
r | Repository list. |
Definition at line 400 of file libhsm.c.
References hsm_repository_free(), hsm_repository_struct::module, hsm_repository_struct::name, hsm_repository_struct::next, hsm_repository_struct::pin, and hsm_repository_struct::tokenlabel.
Referenced by hsm_repository_free().
hsm_repository_t* hsm_repository_new | ( | char * | name, |
char * | module, | ||
char * | tokenlabel, | ||
char * | pin, | ||
uint8_t | use_pubkey, | ||
uint8_t | require_backup | ||
) |
void hsm_sign_params_free | ( | hsm_sign_params_t * | params | ) |
Free the signer parameters structure
If params->owner has been set, ldns_rdf_deep_free() will be called on it.
params | The signer parameters to free |
Definition at line 2347 of file libhsm.c.
References hsm_sign_params_t::owner.
Referenced by hsm_keytag().
hsm_sign_params_t* hsm_sign_params_new | ( | void | ) |
Returns an allocated hsm_sign_params_t with some defaults
Definition at line 2330 of file libhsm.c.
References hsm_sign_params_t::algorithm, hsm_sign_params_t::expiration, hsm_sign_params_t::flags, hsm_sign_params_t::inception, hsm_sign_params_t::keytag, and hsm_sign_params_t::owner.
Referenced by hsm_keytag().
ldns_rr* hsm_sign_rrset | ( | hsm_ctx_t * | ctx, |
const ldns_rr_list * | rrset, | ||
const libhsm_key_t * | key, | ||
const hsm_sign_params_t * | sign_params | ||
) |
int hsm_token_attached | ( | hsm_ctx_t * | ctx, |
const char * | repository | ||
) |
Check whether a named token has been initialized in this context
ctx | HSM context |
token_name | The name of the token |
Definition at line 3171 of file libhsm.c.
References hsm_ctx_set_error(), HSM_REPOSITORY_NOT_FOUND, hsm_session_t::module, hsm_module_t::name, hsm_ctx_t::session, and hsm_ctx_t::session_count.
Referenced by hsm_test().
void keycache_create | ( | hsm_ctx_t * | ctx | ) |
Definition at line 3340 of file libhsm.c.
References hsm_ctx_t::keycache.
void keycache_destroy | ( | hsm_ctx_t * | ctx | ) |
Definition at line 3346 of file libhsm.c.
References hsm_ctx_t::keycache.
const libhsm_key_t* keycache_lookup | ( | hsm_ctx_t * | ctx, |
const char * | locator | ||
) |
Definition at line 3353 of file libhsm.c.
References hsm_find_key_by_id(), and hsm_ctx_t::keycache.
void libhsm_key_info_free | ( | libhsm_key_info_t * | key_info | ) |
Frees the libhsm_key_info_t structure
key_info | The structure to free |
Definition at line 2914 of file libhsm.c.
References libhsm_key_info_t::algorithm_name, and libhsm_key_info_t::id.
Referenced by hsm_print_key().
void libhsm_key_list_free | ( | libhsm_key_t ** | key_list, |
size_t | count | ||
) |
Free the memory of an array of key structures, as returned by hsm_list_keys()
key_list | The array of keys to free |
count | The number of keys in the array |
hsm_ctx_t* _hsm_ctx |
Global (initial) context, with mutex to serialize access to it
Definition at line 56 of file libhsm.c.
Referenced by hsm_check_context(), and hsm_get_error().
pthread_mutex_t _hsm_ctx_mutex = PTHREAD_MUTEX_INITIALIZER |
Definition at line 57 of file libhsm.c.
Referenced by hsm_check_context(), hsm_close(), hsm_create_context(), and hsm_open2().