From 511d71e6895f3902612879ea5a09926a9f926569 Mon Sep 17 00:00:00 2001 From: Adrian Schmutzler Date: Fri, 22 Jan 2021 10:46:10 +0100 Subject: owipcalc: remove package This is a helpful utility, but it does not have any dependencies in this repository. Move it to packages feed. Cc: Jo-Philipp Wich Cc: Nick Hainke Signed-off-by: Adrian Schmutzler --- package/network/utils/owipcalc/Makefile | 44 -- package/network/utils/owipcalc/src/owipcalc.c | 950 -------------------------- 2 files changed, 994 deletions(-) delete mode 100644 package/network/utils/owipcalc/Makefile delete mode 100644 package/network/utils/owipcalc/src/owipcalc.c (limited to 'package') diff --git a/package/network/utils/owipcalc/Makefile b/package/network/utils/owipcalc/Makefile deleted file mode 100644 index dc68a0346b..0000000000 --- a/package/network/utils/owipcalc/Makefile +++ /dev/null @@ -1,44 +0,0 @@ -# -# Copyright (C) 2012 Jo-Philipp Wich -# -# This is free software, licensed under the Apache 2 license. -# - -include $(TOPDIR)/rules.mk - -PKG_NAME:=owipcalc -PKG_RELEASE:=5 -PKG_LICENSE:=Apache-2.0 - -include $(INCLUDE_DIR)/package.mk - - -define Package/owipcalc - SECTION:=utils - CATEGORY:=Utilities - TITLE:=Simple IPv4/IPv6 address calculator - MAINTAINER:=Jo-Philipp Wich -endef - -define Package/owipcalc/description - The owipcalc utility supports a number of calculations and tests to work - with ip-address ranges, this is useful for scripts that e.g. need to - partition ipv6-prefixes into small subnets or to calculate address ranges - for dhcp pools. -endef - -define Build/Configure -endef - -define Build/Compile - $(TARGET_CC) $(TARGET_CFLAGS) \ - -o $(PKG_BUILD_DIR)/owipcalc $(PKG_BUILD_DIR)/owipcalc.c -endef - - -define Package/owipcalc/install - $(INSTALL_DIR) $(1)/usr/bin - $(INSTALL_BIN) $(PKG_BUILD_DIR)/owipcalc $(1)/usr/bin/owipcalc -endef - -$(eval $(call BuildPackage,owipcalc)) diff --git a/package/network/utils/owipcalc/src/owipcalc.c b/package/network/utils/owipcalc/src/owipcalc.c deleted file mode 100644 index 5ed609f158..0000000000 --- a/package/network/utils/owipcalc/src/owipcalc.c +++ /dev/null @@ -1,950 +0,0 @@ -/* - * owipcalc - OpenWrt IP Calculator - * - * Copyright (C) 2012 Jo-Philipp Wich - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include -#include -#include -#include - -#include -#include - -#include - - -struct cidr { - uint8_t family; - uint32_t prefix; - union { - struct in_addr v4; - struct in6_addr v6; - } addr; - union { - char v4[sizeof("255.255.255.255/255.255.255.255 ")]; - char v6[sizeof("FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:255.255.255.255/128 ")]; - } buf; - struct cidr *next; -}; - -struct op { - const char *name; - const char *desc; - struct { - bool (*a1)(struct cidr *a); - bool (*a2)(struct cidr *a, struct cidr *b); - } f4; - struct { - bool (*a1)(struct cidr *a); - bool (*a2)(struct cidr *a, struct cidr *b); - } f6; -}; - - -static bool quiet = false; -static bool printed = false; - -static struct cidr *stack = NULL; - -#define qprintf(...) \ - do { \ - if (!quiet) printf(__VA_ARGS__); \ - printed = true; \ - } while(0) - -static void cidr_push(struct cidr *a) -{ - if (a) - { - a->next = stack; - stack = a; - } -} - -static bool cidr_pop(struct cidr *a) -{ - struct cidr *old = stack; - - if (old) - { - stack = stack->next; - free(old); - - return true; - } - - return false; -} - -static struct cidr * cidr_clone(struct cidr *a) -{ - struct cidr *b = malloc(sizeof(*b)); - - if (!b) - { - fprintf(stderr, "out of memory\n"); - exit(255); - } - - memcpy(b, a, sizeof(*b)); - cidr_push(b); - - return b; -} - - -static struct cidr * cidr_parse4(const char *s) -{ - char *p = NULL, *r; - struct in_addr mask; - struct cidr *addr = malloc(sizeof(struct cidr)); - - if (!addr || (strlen(s) >= sizeof(addr->buf.v4))) - goto err; - - snprintf(addr->buf.v4, sizeof(addr->buf.v4), "%s", s); - - addr->family = AF_INET; - - if ((p = strchr(addr->buf.v4, '/')) != NULL) - { - *p++ = 0; - - if (strchr(p, '.') != NULL) - { - if (inet_pton(AF_INET, p, &mask) != 1) - goto err; - - for (addr->prefix = 0; mask.s_addr; mask.s_addr >>= 1) - addr->prefix += (mask.s_addr & 1); - } - else - { - addr->prefix = strtoul(p, &r, 10); - - if ((p == r) || (*r != 0) || (addr->prefix > 32)) - goto err; - } - } - else - { - addr->prefix = 32; - } - - if (p == addr->buf.v4+1) - memset(&addr->addr.v4, 0, sizeof(addr->addr.v4)); - else if (inet_pton(AF_INET, addr->buf.v4, &addr->addr.v4) != 1) - goto err; - - return addr; - -err: - if (addr) - free(addr); - - return NULL; -} - -static bool cidr_add4(struct cidr *a, struct cidr *b) -{ - uint32_t x = ntohl(a->addr.v4.s_addr); - uint32_t y = ntohl(b->addr.v4.s_addr); - - struct cidr *n = cidr_clone(a); - - if ((n->family != AF_INET) || (b->family != AF_INET)) - return false; - - if ((uint32_t)(x + y) < x) - { - fprintf(stderr, "overflow during 'add'\n"); - return false; - } - - n->addr.v4.s_addr = htonl(x + y); - return true; -} - -static bool cidr_sub4(struct cidr *a, struct cidr *b) -{ - uint32_t x = ntohl(a->addr.v4.s_addr); - uint32_t y = ntohl(b->addr.v4.s_addr); - - struct cidr *n = cidr_clone(a); - - if ((n->family != AF_INET) || (b->family != AF_INET)) - return false; - - if ((uint32_t)(x - y) > x) - { - fprintf(stderr, "underflow during 'sub'\n"); - return false; - } - - n->addr.v4.s_addr = htonl(x - y); - return true; -} - -static bool cidr_network4(struct cidr *a) -{ - struct cidr *n = cidr_clone(a); - - n->addr.v4.s_addr &= htonl(~((1 << (32 - n->prefix)) - 1)); - n->prefix = 32; - - return true; -} - -static bool cidr_broadcast4(struct cidr *a) -{ - struct cidr *n = cidr_clone(a); - - n->addr.v4.s_addr |= htonl(((1 << (32 - n->prefix)) - 1)); - n->prefix = 32; - - return true; -} - -static bool cidr_contains4(struct cidr *a, struct cidr *b) -{ - uint32_t net1 = a->addr.v4.s_addr & htonl(~((1 << (32 - a->prefix)) - 1)); - uint32_t net2 = b->addr.v4.s_addr & htonl(~((1 << (32 - a->prefix)) - 1)); - - if (printed) - qprintf(" "); - - if ((b->prefix >= a->prefix) && (net1 == net2)) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_netmask4(struct cidr *a) -{ - struct cidr *n = cidr_clone(a); - - n->addr.v4.s_addr = htonl(~((1 << (32 - n->prefix)) - 1)); - n->prefix = 32; - - return true; -} - -static bool cidr_private4(struct cidr *a) -{ - uint32_t x = ntohl(a->addr.v4.s_addr); - - if (printed) - qprintf(" "); - - if (((x >= 0x0A000000) && (x <= 0x0AFFFFFF)) || - ((x >= 0xAC100000) && (x <= 0xAC1FFFFF)) || - ((x >= 0xC0A80000) && (x <= 0xC0A8FFFF))) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_linklocal4(struct cidr *a) -{ - uint32_t x = ntohl(a->addr.v4.s_addr); - - if (printed) - qprintf(" "); - - if ((x >= 0xA9FE0000) && (x <= 0xA9FEFFFF)) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_prev4(struct cidr *a, struct cidr *b) -{ - struct cidr *n = cidr_clone(a); - - n->prefix = b->prefix; - n->addr.v4.s_addr -= htonl(1 << (32 - b->prefix)); - - return true; -} - -static bool cidr_next4(struct cidr *a, struct cidr *b) -{ - struct cidr *n = cidr_clone(a); - - n->prefix = b->prefix; - n->addr.v4.s_addr += htonl(1 << (32 - b->prefix)); - - return true; -} - -static bool cidr_6to4(struct cidr *a) -{ - struct cidr *n = cidr_clone(a); - uint32_t x = a->addr.v4.s_addr; - - memset(&n->addr.v6.s6_addr, 0, sizeof(n->addr.v6.s6_addr)); - - n->family = AF_INET6; - n->prefix = 48; - - n->addr.v6.s6_addr[0] = 0x20; - n->addr.v6.s6_addr[1] = 0x02; - n->addr.v6.s6_addr[2] = (x >> 24); - n->addr.v6.s6_addr[3] = (x >> 16) & 0xFF; - n->addr.v6.s6_addr[4] = (x >> 8) & 0xFF; - n->addr.v6.s6_addr[5] = x & 0xFF; - - return true; -} - -static bool cidr_print4(struct cidr *a) -{ - char *p; - - if (!a || (a->family != AF_INET)) - return false; - - if (!(p = (char *)inet_ntop(AF_INET, &a->addr.v4, a->buf.v4, sizeof(a->buf.v4)))) - return false; - - if (printed) - qprintf(" "); - - qprintf("%s", p); - - if (a->prefix < 32) - qprintf("/%u", a->prefix); - - cidr_pop(a); - - return true; -} - - -static struct cidr * cidr_parse6(const char *s) -{ - char *p = NULL, *r; - struct cidr *addr = malloc(sizeof(struct cidr)); - - if (!addr || (strlen(s) >= sizeof(addr->buf.v6))) - goto err; - - snprintf(addr->buf.v6, sizeof(addr->buf.v6), "%s", s); - - addr->family = AF_INET6; - - if ((p = strchr(addr->buf.v6, '/')) != NULL) - { - *p++ = 0; - - addr->prefix = strtoul(p, &r, 10); - - if ((p == r) || (*r != 0) || (addr->prefix > 128)) - goto err; - } - else - { - addr->prefix = 128; - } - - if (p == addr->buf.v6+1) - memset(&addr->addr.v6, 0, sizeof(addr->addr.v6)); - else if (inet_pton(AF_INET6, addr->buf.v6, &addr->addr.v6) != 1) - goto err; - - return addr; - -err: - if (addr) - free(addr); - - return NULL; -} - -static bool cidr_add6(struct cidr *a, struct cidr *b) -{ - uint8_t idx = 15, carry = 0, overflow = 0; - - struct cidr *n = cidr_clone(a); - struct in6_addr *x = &n->addr.v6; - struct in6_addr *y = &b->addr.v6; - - if ((a->family != AF_INET6) || (b->family != AF_INET6)) - return false; - - do { - overflow = !!((x->s6_addr[idx] + y->s6_addr[idx] + carry) >= 256); - x->s6_addr[idx] += y->s6_addr[idx] + carry; - carry = overflow; - } - while (idx-- > 0); - - if (carry) - { - fprintf(stderr, "overflow during 'add'\n"); - return false; - } - - return true; -} - -static bool cidr_sub6(struct cidr *a, struct cidr *b) -{ - uint8_t idx = 15, carry = 0, underflow = 0; - - struct cidr *n = cidr_clone(a); - struct in6_addr *x = &n->addr.v6; - struct in6_addr *y = &b->addr.v6; - - if ((n->family != AF_INET6) || (b->family != AF_INET6)) - return false; - - do { - underflow = !!((x->s6_addr[idx] - y->s6_addr[idx] - carry) < 0); - x->s6_addr[idx] -= y->s6_addr[idx] + carry; - carry = underflow; - } - while (idx-- > 0); - - if (carry) - { - fprintf(stderr, "underflow during 'sub'\n"); - return false; - } - - return true; -} - -static bool cidr_prev6(struct cidr *a, struct cidr *b) -{ - uint8_t idx, carry = 1, underflow = 0; - struct cidr *n = cidr_clone(a); - struct in6_addr *x = &n->addr.v6; - - if (b->prefix == 0) - { - fprintf(stderr, "underflow during 'prev'\n"); - return false; - } - - idx = (b->prefix - 1) / 8; - - do { - underflow = !!((x->s6_addr[idx] - carry) < 0); - x->s6_addr[idx] -= carry; - carry = underflow; - } - while (idx-- > 0); - - if (carry) - { - fprintf(stderr, "underflow during 'prev'\n"); - return false; - } - - n->prefix = b->prefix; - - return true; -} - -static bool cidr_next6(struct cidr *a, struct cidr *b) -{ - uint8_t idx, carry = 1, overflow = 0; - struct cidr *n = cidr_clone(a); - struct in6_addr *x = &n->addr.v6; - - if (b->prefix == 0) - { - fprintf(stderr, "overflow during 'next'\n"); - return false; - } - - idx = (b->prefix - 1) / 8; - - do { - overflow = !!((x->s6_addr[idx] + carry) >= 256); - x->s6_addr[idx] += carry; - carry = overflow; - } - while (idx-- > 0); - - if (carry) - { - fprintf(stderr, "overflow during 'next'\n"); - return false; - } - - n->prefix = b->prefix; - - return true; -} - -static bool cidr_network6(struct cidr *a) -{ - uint8_t i; - struct cidr *n = cidr_clone(a); - - for (i = 0; i < (128 - n->prefix) / 8; i++) - n->addr.v6.s6_addr[15-i] = 0; - - if ((128 - n->prefix) % 8) - n->addr.v6.s6_addr[15-i] &= ~((1 << ((128 - n->prefix) % 8)) - 1); - - return true; -} - -static bool cidr_contains6(struct cidr *a, struct cidr *b) -{ - struct in6_addr *x = &a->addr.v6; - struct in6_addr *y = &b->addr.v6; - uint8_t i = (128 - a->prefix) / 8; - uint8_t m = ~((1 << ((128 - a->prefix) % 8)) - 1); - uint8_t net1 = x->s6_addr[15-i] & m; - uint8_t net2 = y->s6_addr[15-i] & m; - - if (printed) - qprintf(" "); - - if ((b->prefix >= a->prefix) && (net1 == net2) && - ((i == 15) || !memcmp(&x->s6_addr, &y->s6_addr, 15-i))) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_linklocal6(struct cidr *a) -{ - if (printed) - qprintf(" "); - - if ((a->addr.v6.s6_addr[0] == 0xFE) && - (a->addr.v6.s6_addr[1] >= 0x80) && - (a->addr.v6.s6_addr[1] <= 0xBF)) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_ula6(struct cidr *a) -{ - if (printed) - qprintf(" "); - - if ((a->addr.v6.s6_addr[0] >= 0xFC) && - (a->addr.v6.s6_addr[0] <= 0xFD)) - { - qprintf("1"); - return true; - } - else - { - qprintf("0"); - return false; - } -} - -static bool cidr_print6(struct cidr *a) -{ - char *p; - - if (!a || (a->family != AF_INET6)) - return NULL; - - if (!(p = (char *)inet_ntop(AF_INET6, &a->addr.v6, a->buf.v6, sizeof(a->buf.v6)))) - return false; - - if (printed) - qprintf(" "); - - qprintf("%s", p); - - if (a->prefix < 128) - qprintf("/%u", a->prefix); - - cidr_pop(a); - - return true; -} - - -static struct cidr * cidr_parse(const char *op, const char *s, int af_hint) -{ - char *r; - struct cidr *a; - - uint8_t i; - uint32_t sum = strtoul(s, &r, 0); - - if ((r > s) && (*r == 0)) - { - a = malloc(sizeof(struct cidr)); - - if (!a) - return NULL; - - if (af_hint == AF_INET) - { - a->family = AF_INET; - a->prefix = sum; - a->addr.v4.s_addr = htonl(sum); - } - else - { - a->family = AF_INET6; - a->prefix = sum; - - for (i = 0; i <= 15; i++) - { - a->addr.v6.s6_addr[15-i] = sum % 256; - sum >>= 8; - } - } - - return a; - } - - if (strchr(s, ':')) - a = cidr_parse6(s); - else - a = cidr_parse4(s); - - if (!a) - return NULL; - - if (a->family != af_hint) - { - fprintf(stderr, "attempt to '%s' %s with %s address\n", - op, - (af_hint == AF_INET) ? "ipv4" : "ipv6", - (af_hint != AF_INET) ? "ipv4" : "ipv6"); - exit(4); - } - - return a; -} - -static bool cidr_howmany(struct cidr *a, struct cidr *b) -{ - if (printed) - qprintf(" "); - - if (b->prefix < a->prefix) - qprintf("0"); - else - qprintf("%u", 1 << (b->prefix - a->prefix)); - - return true; -} - -static bool cidr_prefix(struct cidr *a, struct cidr *b) -{ - a->prefix = b->prefix; - return true; -} - -static bool cidr_quiet(struct cidr *a) -{ - quiet = true; - return true; -} - - -struct op ops[] = { - { .name = "add", - .desc = "Add argument to base address", - .f4.a2 = cidr_add4, - .f6.a2 = cidr_add6 }, - - { .name = "sub", - .desc = "Substract argument from base address", - .f4.a2 = cidr_sub4, - .f6.a2 = cidr_sub6 }, - - { .name = "next", - .desc = "Advance base address to next prefix of given size", - .f4.a2 = cidr_next4, - .f6.a2 = cidr_next6 }, - - { .name = "prev", - .desc = "Lower base address to previous prefix of give size", - .f4.a2 = cidr_prev4, - .f6.a2 = cidr_prev6 }, - - { .name = "network", - .desc = "Turn base address into network address", - .f4.a1 = cidr_network4, - .f6.a1 = cidr_network6 }, - - { .name = "broadcast", - .desc = "Turn base address into broadcast address", - .f4.a1 = cidr_broadcast4 }, - - { .name = "prefix", - .desc = "Set the prefix of base address to argument", - .f4.a2 = cidr_prefix, - .f6.a2 = cidr_prefix }, - - { .name = "netmask", - .desc = "Calculate netmask of base address", - .f4.a1 = cidr_netmask4 }, - - { .name = "6to4", - .desc = "Calculate 6to4 prefix of given ipv4-address", - .f4.a1 = cidr_6to4 }, - - { .name = "howmany", - .desc = "Print amount of righ-hand prefixes that fit into base address", - .f4.a2 = cidr_howmany, - .f6.a2 = cidr_howmany }, - - { .name = "contains", - .desc = "Print '1' if argument fits into base address or '0' if not", - .f4.a2 = cidr_contains4, - .f6.a2 = cidr_contains6 }, - - { .name = "private", - .desc = "Print '1' if base address is in RFC1918 private space or '0' " - "if not", - .f4.a1 = cidr_private4 }, - - { .name = "linklocal", - .desc = "Print '1' if base address is in 169.254.0.0/16 or FE80::/10 " - "link local space or '0' if not", - .f4.a1 = cidr_linklocal4, - .f6.a1 = cidr_linklocal6 }, - - { .name = "ula", - .desc = "Print '1' if base address is in FC00::/7 unique local address " - "(ULA) space or '0' if not", - .f6.a1 = cidr_ula6 }, - - { .name = "quiet", - .desc = "Suppress output, useful for test operation where the result can " - "be inferred from the exit code", - .f4.a1 = cidr_quiet, - .f6.a1 = cidr_quiet }, - - { .name = "pop", - .desc = "Pop intermediate result from stack", - .f4.a1 = cidr_pop, - .f6.a1 = cidr_pop }, - - { .name = "print", - .desc = "Print intermediate result and pop it from stack, invoked " - "implicitely at the end of calculation if no intermediate prints " - "happened", - .f4.a1 = cidr_print4, - .f6.a1 = cidr_print6 }, -}; - -static void usage(const char *prog) -{ - int i; - - fprintf(stderr, - "\n" - "Usage:\n\n" - " %s {base address} operation [argument] " - "[operation [argument] ...]\n\n" - "Operations:\n\n", - prog); - - for (i = 0; i < sizeof(ops) / sizeof(ops[0]); i++) - { - if (ops[i].f4.a2 || ops[i].f6.a2) - { - fprintf(stderr, " %s %s\n", - ops[i].name, - (ops[i].f4.a2 && ops[i].f6.a2) ? "{ipv4/ipv6/amount}" : - (ops[i].f6.a2 ? "{ipv6/amount}" : "{ipv4/amount}")); - } - else - { - fprintf(stderr, " %s\n", ops[i].name); - } - - fprintf(stderr, " %s.\n", ops[i].desc); - - if ((ops[i].f4.a1 && ops[i].f6.a1) || (ops[i].f4.a2 && ops[i].f6.a2)) - fprintf(stderr, " Applicable to ipv4- and ipv6-addresses.\n\n"); - else if (ops[i].f6.a2 || ops[i].f6.a1) - fprintf(stderr, " Only applicable to ipv6-addresses.\n\n"); - else - fprintf(stderr, " Only applicable to ipv4-addresses.\n\n"); - } - - fprintf(stderr, - "Examples:\n\n" - " Calculate a DHCP range:\n\n" - " $ %s 192.168.1.1/255.255.255.0 network add 100 print add 150 print\n" - " 192.168.1.100\n" - " 192.168.1.250\n\n" - " Count number of prefixes:\n\n" - " $ %s 2001:0DB8:FDEF::/48 howmany ::/64\n" - " 65536\n\n", - prog, prog); - - exit(1); -} - -static bool runop(char ***arg, int *status) -{ - int i; - char *arg1 = **arg; - char *arg2 = *(*arg+1); - struct cidr *a = stack; - struct cidr *b = NULL; - - if (!arg1) - return false; - - for (i = 0; i < sizeof(ops) / sizeof(ops[0]); i++) - { - if (!strcmp(ops[i].name, arg1)) - { - if (ops[i].f4.a2 || ops[i].f6.a2) - { - if (!arg2) - { - fprintf(stderr, "'%s' requires an argument\n", - ops[i].name); - - *status = 2; - return false; - } - - b = cidr_parse(ops[i].name, arg2, a->family); - - if (!b) - { - fprintf(stderr, "invalid address argument for '%s'\n", - ops[i].name); - - *status = 3; - return false; - } - - *arg += 2; - - if (((a->family == AF_INET) && !ops[i].f4.a2) || - ((a->family == AF_INET6) && !ops[i].f6.a2)) - { - fprintf(stderr, "'%s' not supported for %s addresses\n", - ops[i].name, - (a->family == AF_INET) ? "ipv4" : "ipv6"); - - *status = 5; - return false; - } - - *status = !((a->family == AF_INET) ? ops[i].f4.a2(a, b) - : ops[i].f6.a2(a, b)); - - return true; - } - else - { - *arg += 1; - - if (((a->family == AF_INET) && !ops[i].f4.a1) || - ((a->family == AF_INET6) && !ops[i].f6.a1)) - { - fprintf(stderr, "'%s' not supported for %s addresses\n", - ops[i].name, - (a->family == AF_INET) ? "ipv4" : "ipv6"); - - *status = 5; - return false; - } - - *status = !((a->family == AF_INET) ? ops[i].f4.a1(a) - : ops[i].f6.a1(a)); - - return true; - } - } - } - - return false; -} - -int main(int argc, char **argv) -{ - int status = 0; - char **arg = argv+2; - struct cidr *a; - - if (argc < 3) - usage(argv[0]); - - a = strchr(argv[1], ':') ? cidr_parse6(argv[1]) : cidr_parse4(argv[1]); - - if (!a) - usage(argv[0]); - - cidr_push(a); - - while (runop(&arg, &status)); - - if (*arg) - { - fprintf(stderr, "unknown operation '%s'\n", *arg); - exit(6); - } - - if (!printed && (status < 2)) - { - if (stack->family == AF_INET) - cidr_print4(stack); - else - cidr_print6(stack); - } - - qprintf("\n"); - - exit(status); -} -- cgit v1.2.3