diff options
Diffstat (limited to 'sbin/pfctl/pfctl_radix.c')
-rw-r--r-- | sbin/pfctl/pfctl_radix.c | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/sbin/pfctl/pfctl_radix.c b/sbin/pfctl/pfctl_radix.c new file mode 100644 index 00000000000..d84cb433c7b --- /dev/null +++ b/sbin/pfctl/pfctl_radix.c @@ -0,0 +1,378 @@ +/* $OpenBSD: pfctl_radix.c,v 1.1 2003/01/03 21:37:44 cedric Exp $ */ + +/* + * Copyright (c) 2002 Cedric Berger + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/socket.h> + +#include <net/if.h> +#include <netinet/in.h> +#include <net/pfvar.h> + +#include <string.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> + +#include "pfctl_radix.h" + +#define RETURN_EINVAL \ + do { \ + errno = EINVAL; \ + return (-1); \ + } while (0) + +static int _pfr_dev = -1; + +static int +_pfr_ioctl(unsigned long op, void *buf) +{ + if (_pfr_dev < 0) + return (_pfr_dev); + return (ioctl(_pfr_dev, op, buf)); +} + +void +pfr_set_fd(int fd) +{ + _pfr_dev = fd; +} + +int +pfr_get_fd(void) +{ + return _pfr_dev; +} + +int +pfr_clr_tables(int *ndel, int flags) +{ + struct pfioc_table io; + + bzero(&io, sizeof io); + io.pfrio_flags = flags; + if (_pfr_ioctl(DIOCRCLRTABLES, &io)) + return (-1); + if (ndel != NULL) + *ndel = io.pfrio_ndel; + return (0); +} + +int +pfr_add_tables(struct pfr_table *tbl, int size, int *nadd, int flags) +{ + struct pfioc_table io; + + if (size < 0 || (size && tbl == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = tbl; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRADDTABLES, &io)) + return (-1); + if (nadd != NULL) + *nadd = io.pfrio_nadd; + return (0); +} + +int +pfr_del_tables(struct pfr_table *tbl, int size, int *ndel, int flags) +{ + struct pfioc_table io; + + if (size < 0 || (size && tbl == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = tbl; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRDELTABLES, &io)) + return (-1); + if (ndel != NULL) + *ndel = io.pfrio_ndel; + return (0); +} + +int +pfr_get_tables(struct pfr_table *tbl, int *size, int flags) +{ + struct pfioc_table io; + + if (size == NULL || *size < 0 || (*size && tbl == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = tbl; + io.pfrio_size = *size; + if (_pfr_ioctl(DIOCRGETTABLES, &io)) + return (-1); + *size = io.pfrio_size; + return (0); +} + +int +pfr_get_tstats(struct pfr_tstats *tbl, int *size, int flags) +{ + struct pfioc_table io; + + if (size == NULL || *size < 0 || (*size && tbl == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = tbl; + io.pfrio_size = *size; + if (_pfr_ioctl(DIOCRGETTSTATS, &io)) + return (-1); + *size = io.pfrio_size; + return (0); +} + +int +pfr_clr_addrs(struct pfr_table *tbl, int *ndel, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + if (_pfr_ioctl(DIOCRSETADDRS, &io)) + return (-1); + if (ndel != NULL) + *ndel = io.pfrio_ndel; + return (0); +} + +int +pfr_add_addrs(struct pfr_table *tbl, struct pfr_addr *addr, int size, + int *nadd, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size < 0 || (size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRADDADDRS, &io)) + return (-1); + if (nadd != NULL) + *nadd = io.pfrio_nadd; + return (0); +} + +int +pfr_del_addrs(struct pfr_table *tbl, struct pfr_addr *addr, int size, + int *ndel, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size < 0 || (size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRDELADDRS, &io)) + return (-1); + if (ndel != NULL) + *ndel = io.pfrio_ndel; + return (0); +} + +int +pfr_set_addrs(struct pfr_table *tbl, struct pfr_addr *addr, int size, + int *size2, int *nadd, int *ndel, int *nchange, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size < 0 || (size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = size; + io.pfrio_size2 = (size2 != NULL) ? *size2 : 0; + if (_pfr_ioctl(DIOCRSETADDRS, &io)) + return (-1); + if (nadd != NULL) + *nadd = io.pfrio_nadd; + if (ndel != NULL) + *ndel = io.pfrio_ndel; + if (nchange != NULL) + *nchange = io.pfrio_nchange; + if (size2 != NULL) + *size2 = io.pfrio_size2; + return (0); +} + +int +pfr_get_addrs(struct pfr_table *tbl, struct pfr_addr *addr, int *size, + int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size == NULL || *size < 0 || (*size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = *size; + if (_pfr_ioctl(DIOCRGETADDRS, &io)) + return (-1); + *size = io.pfrio_size; + return (0); +} + +int +pfr_get_astats(struct pfr_table *tbl, struct pfr_astats *addr, int *size, + int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size == NULL || *size < 0 || (*size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = *size; + if (_pfr_ioctl(DIOCRGETASTATS, &io)) + return (-1); + *size = io.pfrio_size; + return (0); +} + +int +pfr_clr_astats(struct pfr_table *tbl, struct pfr_addr *addr, int size, + int *nzero, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size < 0 || (size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRCLRTSTATS, &io)) + return (-1); + if (nzero != NULL) + *nzero = io.pfrio_nzero; + return (0); +} + +int +pfr_clr_tstats(struct pfr_table *tbl, int size, int *nzero, int flags) +{ + struct pfioc_table io; + + if (size < 0 || (size && !tbl)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = tbl; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRCLRTSTATS, &io)) + return (-1); + if (nzero) + *nzero = io.pfrio_nzero; + return (0); +} + + +int +pfr_tst_addrs(struct pfr_table *tbl, struct pfr_addr *addr, int size, + int *nmatch, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL || size < 0 || (size && addr == NULL)) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = addr; + io.pfrio_size = size; + if (_pfr_ioctl(DIOCRTSTADDRS, &io)) + return (-1); + if (nmatch) + *nmatch = io.pfrio_nmatch; + return (0); +} + +int +pfr_wrap_table(struct pfr_table *tbl, struct pf_addr_wrap *wrap, + int *exists, int flags) +{ + struct pfioc_table io; + + if (tbl == NULL) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_table = *tbl; + io.pfrio_buffer = wrap; + io.pfrio_size = wrap ? 1 : 0; + io.pfrio_exists = exists ? 1 : 0; + if (_pfr_ioctl(DIOCRWRAPTABLE, &io)) + return (-1); + if (exists) + *exists = io.pfrio_exists; + return (0); +} + +int +pfr_unwrap_table(struct pfr_table *tbl, struct pf_addr_wrap *wrap, int flags) +{ + struct pfioc_table io; + + if (wrap == NULL) + RETURN_EINVAL; + bzero(&io, sizeof io); + io.pfrio_flags = flags; + io.pfrio_buffer = wrap; + io.pfrio_size = 1; + if (_pfr_ioctl(DIOCRUNWRTABLE, &io)) + return (-1); + if (tbl != NULL) + *tbl = io.pfrio_table; + return (0); +} |