lib/krb5/pac.c

51     struct PACTYPE *pac;
121 	       krb5_pac *pac)
156     p->pac = calloc(1,
157 		    sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * (tmp - 1)));
158     if (p->pac == NULL) {
163     p->pac->numbuffers = tmp;
164     p->pac->version = tmp2;
166     header_end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
172     for (i = 0; i < p->pac->numbuffers; i++) {
173 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].type), out);
174 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].buffersize), out);
175 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].offset_lo), out);
176 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].offset_hi), out);
179 	if (p->pac->buffers[i].offset_lo & (PAC_ALIGNMENT - 1)) {
185 	if (p->pac->buffers[i].offset_hi) {
191 	if (p->pac->buffers[i].offset_lo > len) {
197 	if (p->pac->buffers[i].offset_lo < header_end) {
201 				   (unsigned long)p->pac->buffers[i].offset_lo,
205 	if (p->pac->buffers[i].buffersize > len - p->pac->buffers[i].offset_lo){
212 	if (p->pac->buffers[i].type == PAC_SERVER_CHECKSUM) {
219 	    p->server_checksum = &p->pac->buffers[i];
220 	} else if (p->pac->buffers[i].type == PAC_PRIVSVR_CHECKSUM) {
227 	    p->privsvr_checksum = &p->pac->buffers[i];
228 	} else if (p->pac->buffers[i].type == PAC_LOGON_NAME) {
235 	    p->logon_name = &p->pac->buffers[i];
245     *pac = p;
252 	if (p->pac)
253 	    free(p->pac);
256     *pac = NULL;
262 krb5_pac_init(krb5_context context, krb5_pac *pac)
272     p->pac = calloc(1, sizeof(*p->pac));
273     if (p->pac == NULL) {
280 	free (p->pac);
285     *pac = p;
298     len = p->pac->numbuffers;
300     ptr = realloc(p->pac,
301 		  sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * len));
305     p->pac = ptr;
308 	p->pac->buffers[i].offset_lo += PAC_INFO_BUFFER_SIZE;
312     p->pac->buffers[len].type = type;
313     p->pac->buffers[len].buffersize = data->length;
314     p->pac->buffers[len].offset_lo = offset;
315     p->pac->buffers[len].offset_hi = 0;
336     header_end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
351     p->pac->numbuffers += 1;
357  * Get the PAC buffer of specific type from the pac.
360  * @param p the pac structure returned by krb5_pac_parse().
377     for (i = 0; i < p->pac->numbuffers; i++) {
378 	const size_t len = p->pac->buffers[i].buffersize;
379 	const size_t offset = p->pac->buffers[i].offset_lo;
381 	if (p->pac->buffers[i].type != type)
408     *types = calloc(p->pac->numbuffers, sizeof(*types));
413     for (i = 0; i < p->pac->numbuffers; i++)
414 	(*types)[i] = p->pac->buffers[i].type;
415     *len = p->pac->numbuffers;
425 krb5_pac_free(krb5_context context, krb5_pac pac)
427     krb5_data_free(&pac->data);
428     free(pac->pac);
429     free(pac);
564 	krb5_set_error_message(context, EINVAL, "pac checksum wrong length");
802  * @param pac the pac structure returned by krb5_pac_parse().
816 		const krb5_pac pac,
824     if (pac->server_checksum == NULL) {
828     if (pac->privsvr_checksum == NULL) {
832     if (pac->logon_name == NULL) {
838 			   pac->logon_name,
839 			   &pac->data,
852 	ret = krb5_copy_data(context, &pac->data, &copy);
856 	if (pac->server_checksum->buffersize < 4)
858 	if (pac->privsvr_checksum->buffersize < 4)
861 	memset((char *)copy->data + pac->server_checksum->offset_lo + 4,
863 	       pac->server_checksum->buffersize - 4);
865 	memset((char *)copy->data + pac->privsvr_checksum->offset_lo + 4,
867 	       pac->privsvr_checksum->buffersize - 4);
870 			      pac->server_checksum,
871 			      &pac->data,
882 			      pac->privsvr_checksum,
883 			      &pac->data,
884 			      (char *)pac->data.data
885 			      + pac->server_checksum->offset_lo + 4,
886 			      pac->server_checksum->buffersize - 4,
982 	ptr = realloc(p->pac, sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * (p->pac->numbuffers + num - 1)));
986 	p->pac = ptr;
989 	    p->logon_name = &p->pac->buffers[p->pac->numbuffers++];
994 	    p->server_checksum = &p->pac->buffers[p->pac->numbuffers++];
999 	    p->privsvr_checksum = &p->pac->buffers[p->pac->numbuffers++];
1032     CHECK(ret, krb5_store_uint32(sp, p->pac->numbuffers), out);
1033     CHECK(ret, krb5_store_uint32(sp, p->pac->version), out);
1035     end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
1037     for (i = 0; i < p->pac->numbuffers; i++) {
1044 	if (p->pac->buffers[i].type == PAC_SERVER_CHECKSUM) {
1049 	} else if (p->pac->buffers[i].type == PAC_PRIVSVR_CHECKSUM) {
1054 	} else if (p->pac->buffers[i].type == PAC_LOGON_NAME) {
1061 	    len = p->pac->buffers[i].buffersize;
1062 	    ptr = (char *)p->data.data + p->pac->buffers[i].offset_lo;
1073 	CHECK(ret, krb5_store_uint32(sp, p->pac->buffers[i].type), out);