lib/krb5/pac.c

51     struct PACTYPE *pac;
84 	       krb5_pac *pac)
121     p->pac = calloc(1,
122 		    sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * (tmp - 1)));
123     if (p->pac == NULL) {
129     p->pac->numbuffers = tmp;
130     p->pac->version = tmp2;
132     header_end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
138     for (i = 0; i < p->pac->numbuffers; i++) {
139 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].type), out);
140 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].buffersize), out);
141 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].offset_lo), out);
142 	CHECK(ret, krb5_ret_uint32(sp, &p->pac->buffers[i].offset_hi), out);
145 	if (p->pac->buffers[i].offset_lo & (PAC_ALIGNMENT - 1)) {
151 	if (p->pac->buffers[i].offset_hi) {
157 	if (p->pac->buffers[i].offset_lo > len) {
163 	if (p->pac->buffers[i].offset_lo < header_end) {
167 				   (unsigned long)p->pac->buffers[i].offset_lo,
171 	if (p->pac->buffers[i].buffersize > len - p->pac->buffers[i].offset_lo){
178 	if (p->pac->buffers[i].type == PAC_SERVER_CHECKSUM) {
185 	    p->server_checksum = &p->pac->buffers[i];
186 	} else if (p->pac->buffers[i].type == PAC_PRIVSVR_CHECKSUM) {
193 	    p->privsvr_checksum = &p->pac->buffers[i];
194 	} else if (p->pac->buffers[i].type == PAC_LOGON_NAME) {
201 	    p->logon_name = &p->pac->buffers[i];
211     *pac = p;
218 	if (p->pac)
219 	    free(p->pac);
222     *pac = NULL;
228 krb5_pac_init(krb5_context context, krb5_pac *pac)
239     p->pac = calloc(1, sizeof(*p->pac));
240     if (p->pac == NULL) {
248 	free (p->pac);
255     *pac = p;
268     len = p->pac->numbuffers;
270     ptr = realloc(p->pac,
271 		  sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * len));
276     p->pac = ptr;
279 	p->pac->buffers[i].offset_lo += PAC_INFO_BUFFER_SIZE;
283     p->pac->buffers[len].type = type;
284     p->pac->buffers[len].buffersize = data->length;
285     p->pac->buffers[len].offset_lo = offset;
286     p->pac->buffers[len].offset_hi = 0;
307     header_end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
322     p->pac->numbuffers += 1;
328  * Get the PAC buffer of specific type from the pac.
331  * @param p the pac structure returned by krb5_pac_parse().
348     for (i = 0; i < p->pac->numbuffers; i++) {
349 	const size_t len = p->pac->buffers[i].buffersize;
350 	const size_t offset = p->pac->buffers[i].offset_lo;
352 	if (p->pac->buffers[i].type != type)
379     *types = calloc(p->pac->numbuffers, sizeof(*types));
385     for (i = 0; i < p->pac->numbuffers; i++)
386 	(*types)[i] = p->pac->buffers[i].type;
387     *len = p->pac->numbuffers;
397 krb5_pac_free(krb5_context context, krb5_pac pac)
399     krb5_data_free(&pac->data);
400     free(pac->pac);
401     free(pac);
498 	krb5_set_error_message(context, EINVAL, "pac checksum wrong length");
711  * @param pac the pac structure returned by krb5_pac_parse().
725 		const krb5_pac pac,
733     if (pac->server_checksum == NULL) {
737     if (pac->privsvr_checksum == NULL) {
741     if (pac->logon_name == NULL) {
747 			   pac->logon_name,
748 			   &pac->data,
761 	ret = krb5_copy_data(context, &pac->data, &copy);
765 	if (pac->server_checksum->buffersize < 4)
767 	if (pac->privsvr_checksum->buffersize < 4)
770 	memset((char *)copy->data + pac->server_checksum->offset_lo + 4,
772 	       pac->server_checksum->buffersize - 4);
774 	memset((char *)copy->data + pac->privsvr_checksum->offset_lo + 4,
776 	       pac->privsvr_checksum->buffersize - 4);
779 			      pac->server_checksum,
780 			      &pac->data,
791 			      pac->privsvr_checksum,
792 			      &pac->data,
793 			      (char *)pac->data.data
794 			      + pac->server_checksum->offset_lo + 4,
795 			      pac->server_checksum->buffersize - 4,
891 	ptr = realloc(p->pac, sizeof(*p->pac) + (sizeof(p->pac->buffers[0]) * (p->pac->numbuffers + num - 1)));
896 	p->pac = ptr;
899 	    p->logon_name = &p->pac->buffers[p->pac->numbuffers++];
904 	    p->server_checksum = &p->pac->buffers[p->pac->numbuffers++];
909 	    p->privsvr_checksum = &p->pac->buffers[p->pac->numbuffers++];
944     CHECK(ret, krb5_store_uint32(sp, p->pac->numbuffers), out);
945     CHECK(ret, krb5_store_uint32(sp, p->pac->version), out);
947     end = PACTYPE_SIZE + (PAC_INFO_BUFFER_SIZE * p->pac->numbuffers);
949     for (i = 0; i < p->pac->numbuffers; i++) {
956 	if (p->pac->buffers[i].type == PAC_SERVER_CHECKSUM) {
961 	} else if (p->pac->buffers[i].type == PAC_PRIVSVR_CHECKSUM) {
966 	} else if (p->pac->buffers[i].type == PAC_LOGON_NAME) {
973 	    len = p->pac->buffers[i].buffersize;
974 	    ptr = (char *)p->data.data + p->pac->buffers[i].offset_lo;
986 	CHECK(ret, krb5_store_uint32(sp, p->pac->buffers[i].type), out);