mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
synced 2024-12-25 16:31:08 -06:00
c6afc489a1
Instead of manually encoding controls, use an actual asn1 compiler. The file asn1/asn1c/ipa.asn1 will contain ipa modules. The generated code is committed to the tree and built into a static library that is linked to the code that uses it. The first module implements the GetKeytabControl control. Related: https://fedorahosted.org/freeipa/ticket/4718 https://fedorahosted.org/freeipa/ticket/4728 Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com> Reviewed-By: Nathaniel McCallum <npmccallum@redhat.com>
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
#include "asn_internal.h"
|
|
#include "constraints.h"
|
|
|
|
int
|
|
asn_generic_no_constraint(asn_TYPE_descriptor_t *type_descriptor,
|
|
const void *struct_ptr, asn_app_constraint_failed_f *cb, void *key) {
|
|
|
|
(void)type_descriptor; /* Unused argument */
|
|
(void)struct_ptr; /* Unused argument */
|
|
(void)cb; /* Unused argument */
|
|
(void)key; /* Unused argument */
|
|
|
|
/* Nothing to check */
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
asn_generic_unknown_constraint(asn_TYPE_descriptor_t *type_descriptor,
|
|
const void *struct_ptr, asn_app_constraint_failed_f *cb, void *key) {
|
|
|
|
(void)type_descriptor; /* Unused argument */
|
|
(void)struct_ptr; /* Unused argument */
|
|
(void)cb; /* Unused argument */
|
|
(void)key; /* Unused argument */
|
|
|
|
/* Unknown how to check */
|
|
return 0;
|
|
}
|
|
|
|
struct errbufDesc {
|
|
asn_TYPE_descriptor_t *failed_type;
|
|
const void *failed_struct_ptr;
|
|
char *errbuf;
|
|
size_t errlen;
|
|
};
|
|
|
|
static void
|
|
_asn_i_ctfailcb(void *key, asn_TYPE_descriptor_t *td, const void *sptr, const char *fmt, ...) {
|
|
struct errbufDesc *arg = key;
|
|
va_list ap;
|
|
ssize_t vlen;
|
|
ssize_t maxlen;
|
|
|
|
arg->failed_type = td;
|
|
arg->failed_struct_ptr = sptr;
|
|
|
|
maxlen = arg->errlen;
|
|
if(maxlen <= 0)
|
|
return;
|
|
|
|
va_start(ap, fmt);
|
|
vlen = vsnprintf(arg->errbuf, maxlen, fmt, ap);
|
|
va_end(ap);
|
|
if(vlen >= maxlen) {
|
|
arg->errbuf[maxlen-1] = '\0'; /* Ensuring libc correctness */
|
|
arg->errlen = maxlen - 1; /* Not counting termination */
|
|
return;
|
|
} else if(vlen >= 0) {
|
|
arg->errbuf[vlen] = '\0'; /* Ensuring libc correctness */
|
|
arg->errlen = vlen; /* Not counting termination */
|
|
} else {
|
|
/*
|
|
* The libc on this system is broken.
|
|
*/
|
|
vlen = sizeof("<broken vsnprintf>") - 1;
|
|
maxlen--;
|
|
arg->errlen = vlen < maxlen ? vlen : maxlen;
|
|
memcpy(arg->errbuf, "<broken vsnprintf>", arg->errlen);
|
|
arg->errbuf[arg->errlen] = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
int
|
|
asn_check_constraints(asn_TYPE_descriptor_t *type_descriptor,
|
|
const void *struct_ptr, char *errbuf, size_t *errlen) {
|
|
struct errbufDesc arg;
|
|
int ret;
|
|
|
|
arg.failed_type = 0;
|
|
arg.failed_struct_ptr = 0;
|
|
arg.errbuf = errbuf;
|
|
arg.errlen = errlen ? *errlen : 0;
|
|
|
|
ret = type_descriptor->check_constraints(type_descriptor,
|
|
struct_ptr, _asn_i_ctfailcb, &arg);
|
|
if(ret == -1 && errlen)
|
|
*errlen = arg.errlen;
|
|
|
|
return ret;
|
|
}
|
|
|