3504622156
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@304 ec53bebd-3082-4978-b11e-865c3cabbd6b
352 lines
6.7 KiB
C
352 lines
6.7 KiB
C
#include "krb5_locl.h"
|
|
|
|
RCSID("$Id$");
|
|
|
|
/* Public principal handling functions */
|
|
|
|
void
|
|
krb5_free_principal(krb5_principal p)
|
|
{
|
|
krb5_principal_free(p);
|
|
}
|
|
|
|
krb5_error_code
|
|
krb5_parse_name(krb5_context context,
|
|
const char *name,
|
|
krb5_principal *principal)
|
|
{
|
|
|
|
krb5_data *comp;
|
|
int ncomp;
|
|
krb5_data realm;
|
|
|
|
char *p;
|
|
char *q;
|
|
char *s;
|
|
char *start;
|
|
|
|
int n;
|
|
char c;
|
|
int got_realm = 0;
|
|
|
|
/* count number of component */
|
|
ncomp = 1;
|
|
for(p = (char*)name; *p; p++){
|
|
if(*p=='\\'){
|
|
if(!p[1])
|
|
return KRB5_PARSE_MALFORMED;
|
|
p++;
|
|
} else if(*p == '/')
|
|
ncomp++;
|
|
}
|
|
comp = ALLOC(ncomp, krb5_data);
|
|
|
|
n = 0;
|
|
start = q = p = s = strdup(name);
|
|
while(*p){
|
|
c = *p++;
|
|
if(c == '\\'){
|
|
c = *p++;
|
|
if(c == 'n')
|
|
c = '\n';
|
|
else if(c == 't')
|
|
c = '\t';
|
|
else if(c == 'b')
|
|
c = '\b';
|
|
else if(c == '0')
|
|
c = '\0';
|
|
}else if(c == '/' || c == '@'){
|
|
if(got_realm){
|
|
while(n>0)
|
|
free(comp[--n].data);
|
|
free(comp);
|
|
free(s);
|
|
return KRB5_PARSE_MALFORMED;
|
|
}else{
|
|
comp[n].length = q - start;
|
|
comp[n].data = (krb5_pointer)malloc(comp[n].length);
|
|
memmove(comp[n].data, start, comp[n].length);
|
|
n++;
|
|
}
|
|
if(c == '@')
|
|
got_realm = 1;
|
|
start = q;
|
|
continue;
|
|
}
|
|
if(got_realm && (c == ':' || c == '/' || c == '\0')){
|
|
while(n>0)
|
|
free(comp[--n].data);
|
|
free(comp);
|
|
free(s);
|
|
return KRB5_PARSE_MALFORMED;
|
|
}
|
|
*q++ = c;
|
|
}
|
|
if(got_realm){
|
|
realm.length = q - start;
|
|
realm.data = (krb5_pointer)malloc(realm.length);
|
|
memmove(realm.data, start, realm.length);
|
|
}else{
|
|
comp[n].length = q - start;
|
|
comp[n].data = (krb5_pointer)malloc(comp[n].length);
|
|
memmove(comp[n].data, start, comp[n].length);
|
|
n++;
|
|
}
|
|
*principal = ALLOC(1, krb5_principal_data);
|
|
(*principal)->type = KRB5_NT_PRINCIPAL;
|
|
(*principal)->realm = realm;
|
|
(*principal)->comp = comp;
|
|
(*principal)->ncomp = n;
|
|
free(s);
|
|
return 0;
|
|
}
|
|
|
|
static void quote_string(char *s, int len, char **out)
|
|
{
|
|
char *q;
|
|
char *p = *out;
|
|
int c=0;
|
|
for(q = s; q < s + len; q++){
|
|
if(*q == '\n')
|
|
c = 'n';
|
|
else if(*q == '\t')
|
|
c = 't';
|
|
else if(*q == '\b')
|
|
c = 'b';
|
|
else if(*q == '\0')
|
|
c = '0';
|
|
else if(*q == '/')
|
|
c='/';
|
|
else if(*q == '@')
|
|
c = '@';
|
|
if(c){
|
|
*p++ = '\\';
|
|
*p++ = c;
|
|
c = 0;
|
|
}else
|
|
*p++ = *q;
|
|
}
|
|
*out = p;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_unparse_name(krb5_context context,
|
|
krb5_principal principal,
|
|
char **name)
|
|
{
|
|
int size = 0;
|
|
char *p;
|
|
char *s;
|
|
int i;
|
|
for(i = 0; i < principal->ncomp; i++)
|
|
size += 2*principal->comp[i].length + 1;
|
|
size += 2*principal->realm.length + 1;
|
|
s = ALLOC(size, char);
|
|
p = s;
|
|
for(i = 0; i < principal->ncomp; i++){
|
|
if(i) *p++ = '/';
|
|
quote_string(principal->comp[i].data, principal->comp[i].length, &p);
|
|
}
|
|
*p++ = '@';
|
|
quote_string(principal->realm.data, principal->realm.length, &p);
|
|
*p = 0;
|
|
*name = strdup(s);
|
|
free(s);
|
|
return 0;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_unparse_name_ext(krb5_context context,
|
|
krb5_const_principal principal,
|
|
char **name,
|
|
size_t *size)
|
|
{
|
|
fprintf(stderr, "krb5_unparse_name_ext: not implemented\n");
|
|
abort();
|
|
}
|
|
|
|
|
|
krb5_data*
|
|
krb5_princ_realm(krb5_context context,
|
|
krb5_principal principal)
|
|
{
|
|
return &principal->realm;
|
|
}
|
|
|
|
|
|
void
|
|
krb5_princ_set_realm(krb5_context context,
|
|
krb5_principal principal,
|
|
krb5_data *realm)
|
|
{
|
|
principal->realm = *realm;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_build_principal(krb5_context context,
|
|
krb5_principal *principal,
|
|
int rlen,
|
|
const char *realm,
|
|
...)
|
|
{
|
|
krb5_error_code ret;
|
|
va_list ap;
|
|
va_start(ap, realm);
|
|
ret = krb5_build_principal_va(context, principal, rlen, realm, ap);
|
|
va_end(ap);
|
|
return ret;
|
|
}
|
|
|
|
krb5_error_code
|
|
krb5_principal_set_component(krb5_principal p, int n, void *data, size_t len)
|
|
{
|
|
krb5_data *tmp;
|
|
if(p->ncomp <= n){
|
|
int s = n + 10;
|
|
if(p->comp)
|
|
tmp = (krb5_data*)realloc(p->comp, s * sizeof(krb5_data));
|
|
else
|
|
tmp = ALLOC(s, krb5_data);
|
|
if(!tmp)
|
|
return ENOMEM;
|
|
p->comp = tmp;
|
|
p->ncomp = s;
|
|
}
|
|
krb5_data_copy(&p->comp[n], data, len);
|
|
return 0;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_build_principal_va(krb5_context context,
|
|
krb5_principal *principal,
|
|
int rlen,
|
|
const char *realm,
|
|
va_list ap)
|
|
{
|
|
krb5_principal p;
|
|
int n;
|
|
char *s;
|
|
|
|
if(krb5_principal_alloc(&p))
|
|
return ENOMEM;
|
|
p->type = KRB5_NT_PRINCIPAL;
|
|
|
|
if(krb5_data_copy(&p->realm, (void*)realm, rlen)){
|
|
free(p);
|
|
return ENOMEM;
|
|
}
|
|
|
|
n = 0;
|
|
while(1){
|
|
s = va_arg(ap, char*);
|
|
if(s == NULL)
|
|
break;
|
|
krb5_principal_set_component(p, n, s, strlen(s));
|
|
n++;
|
|
}
|
|
p->ncomp = n;
|
|
*principal = p;
|
|
return 0;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_build_principal_ext(krb5_context context,
|
|
krb5_principal *principal,
|
|
int rlen,
|
|
const char *realm,
|
|
...)
|
|
{
|
|
fprintf(stderr, "krb5_build_principal_ext: not implemented\n");
|
|
abort();
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_copy_principal(krb5_context context,
|
|
krb5_const_principal inprinc,
|
|
krb5_principal *outprinc)
|
|
{
|
|
krb5_principal p;
|
|
int i;
|
|
if(krb5_principal_alloc(&p))
|
|
return ENOMEM;
|
|
p->type = inprinc->type;
|
|
if(krb5_data_copy(&p->realm, inprinc->realm.data, inprinc->realm.length)){
|
|
krb5_free_principal(p);
|
|
return ENOMEM;
|
|
}
|
|
p->comp = ALLOC(inprinc->ncomp, krb5_data);
|
|
if(!p->comp){
|
|
krb5_free_principal(p);
|
|
return ENOMEM;
|
|
}
|
|
|
|
for(i=0; i<inprinc->ncomp; i++){
|
|
p->comp[i].length = 0;
|
|
if(krb5_data_copy(&p->comp[i], inprinc->comp[i].data,
|
|
inprinc->comp[i].length)){
|
|
krb5_free_principal(p);
|
|
return ENOMEM;
|
|
}
|
|
p->ncomp = i+1;
|
|
}
|
|
*outprinc = p;
|
|
return 0;
|
|
}
|
|
|
|
|
|
krb5_boolean
|
|
krb5_principal_compare(krb5_context context,
|
|
krb5_const_principal princ1,
|
|
krb5_const_principal princ2)
|
|
{
|
|
int i;
|
|
if(!krb5_realm_compare(context, princ1, princ2))
|
|
return FALSE;
|
|
if(princ1->ncomp != princ2->ncomp)
|
|
return FALSE;
|
|
for(i=0; i<princ1->ncomp; i++){
|
|
if(princ1->comp[i].length != princ2->comp[i].length)
|
|
return FALSE;
|
|
if(memcmp(princ1->comp[i].data, princ2->comp[i].data,
|
|
princ1->comp[i].length))
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
krb5_boolean
|
|
krb5_realm_compare(krb5_context context,
|
|
krb5_const_principal princ1,
|
|
krb5_const_principal princ2)
|
|
{
|
|
if(princ1->realm.length != princ2->realm.length)
|
|
return FALSE;
|
|
if(memcmp(princ1->realm.data, princ2->realm.data, princ1->realm.length))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
krb5_error_code
|
|
krb5_425_conv_principal(krb5_context context,
|
|
const char *name,
|
|
const char *instance,
|
|
const char *realm,
|
|
krb5_principal *princ)
|
|
{
|
|
if(!strcmp(name, "rcmd"))
|
|
name = "host";
|
|
return krb5_build_principal(context, princ,
|
|
strlen(realm), realm, name, instance, 0);
|
|
}
|
|
|
|
|
|
|