sys/netinet/in_jail.c

98 prison_restrict_ip4(struct prison *pr, struct in_addr *newip4)
103 	ppr = pr->pr_parent;
104 	if (!(pr->pr_flags & PR_IP4_USER)) {
106 		if (pr->pr_ip4s < ppr->pr_ip4s) {
123 				free(pr->pr_ip4, M_PRISON);
124 				pr->pr_ip4 = newip4;
125 				pr->pr_ip4s = ppr->pr_ip4s;
129 		pr->pr_ip4s = ppr->pr_ip4s;
130 		if (pr->pr_ip4s > 0)
131 			bcopy(ppr->pr_ip4, pr->pr_ip4,
132 			    pr->pr_ip4s * sizeof(*newip4));
133 		else if (pr->pr_ip4 != NULL) {
134 			free(pr->pr_ip4, M_PRISON);
135 			pr->pr_ip4 = NULL;
137 	} else if (pr->pr_ip4s > 0) {
140 			if (pr->pr_ip4[0].s_addr == ppr->pr_ip4[ij].s_addr)
145 			bcopy(pr->pr_ip4 + 1, pr->pr_ip4,
146 			    --pr->pr_ip4s * sizeof(*pr->pr_ip4));
149 		for (ij = 1; ii < pr->pr_ip4s; ) {
150 			if (pr->pr_ip4[ii].s_addr == ppr->pr_ip4[0].s_addr) {
155 				prison_qcmp_v4(&pr->pr_ip4[ii], &ppr->pr_ip4[ij])) {
157 				bcopy(pr->pr_ip4 + ii + 1, pr->pr_ip4 + ii,
158 				    (--pr->pr_ip4s - ii) * sizeof(*pr->pr_ip4));
169 		if (pr->pr_ip4s == 0) {
170 			free(pr->pr_ip4, M_PRISON);
171 			pr->pr_ip4 = NULL;
189 	struct prison *pr;
194 	pr = cred->cr_prison;
195 	if (!(pr->pr_flags & PR_IP4))
197 	mtx_lock(&pr->pr_mtx);
198 	if (!(pr->pr_flags & PR_IP4)) {
199 		mtx_unlock(&pr->pr_mtx);
202 	if (pr->pr_ip4 == NULL) {
203 		mtx_unlock(&pr->pr_mtx);
207 	ia->s_addr = pr->pr_ip4[0].s_addr;
208 	mtx_unlock(&pr->pr_mtx);
222 	struct prison *pr;
232 	pr = cred->cr_prison;
233 	if (pr->pr_flags & PR_IP4_SADDRSEL)
287 	struct prison *pr;
294 	pr = cred->cr_prison;
295 	if (!(pr->pr_flags & PR_IP4))
297 	mtx_lock(&pr->pr_mtx);
298 	if (!(pr->pr_flags & PR_IP4)) {
299 		mtx_unlock(&pr->pr_mtx);
302 	if (pr->pr_ip4 == NULL) {
303 		mtx_unlock(&pr->pr_mtx);
313 		if (pr->pr_ip4s == 1)
314 			ia->s_addr = pr->pr_ip4[0].s_addr;
315 		mtx_unlock(&pr->pr_mtx);
319 	error = prison_check_ip4_locked(pr, ia);
321 		ia->s_addr = pr->pr_ip4[0].s_addr;
325 	mtx_unlock(&pr->pr_mtx);
338 	struct prison *pr;
343 	pr = cred->cr_prison;
344 	if (!(pr->pr_flags & PR_IP4))
346 	mtx_lock(&pr->pr_mtx);
347 	if (!(pr->pr_flags & PR_IP4)) {
348 		mtx_unlock(&pr->pr_mtx);
351 	if (pr->pr_ip4 == NULL) {
352 		mtx_unlock(&pr->pr_mtx);
357 	    prison_check_ip4_locked(pr, ia) == EADDRNOTAVAIL) {
358 		ia->s_addr = pr->pr_ip4[0].s_addr;
359 		mtx_unlock(&pr->pr_mtx);
366 	mtx_unlock(&pr->pr_mtx);
377 prison_check_ip4_locked(const struct prison *pr, const struct in_addr *ia)
384 	if (pr->pr_ip4[0].s_addr == ia->s_addr)
391 	z = pr->pr_ip4s - 2;
394 		d = prison_qcmp_v4(&pr->pr_ip4[i+1], ia);
409 	struct prison *pr;
415 	pr = cred->cr_prison;
416 	if (!(pr->pr_flags & PR_IP4))
418 	mtx_lock(&pr->pr_mtx);
419 	if (!(pr->pr_flags & PR_IP4)) {
420 		mtx_unlock(&pr->pr_mtx);
423 	if (pr->pr_ip4 == NULL) {
424 		mtx_unlock(&pr->pr_mtx);
428 	error = prison_check_ip4_locked(pr, ia);
429 	mtx_unlock(&pr->pr_mtx);