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#include <sys/utsname.h>
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#include "archkfreebsd.h"
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#define UNUSED __attribute__((unused))
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int _iface_has(char *iface, char *delims)
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strncpy(_iface, iface, sizeof(_iface));
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_iface[sizeof(_iface) - 1] = 0;
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strtok(_iface, delims);
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void *token = strtok(NULL, delims);
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return (token != NULL);
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int execable(char *program)
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if (0 == stat(program, &buf)) {
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if (S_ISREG(buf.st_mode) && (S_IXUSR & buf.st_mode))
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void cleanup_hwaddress(interface_defn * ifd UNUSED, char **pparam, int argc UNUSED, char **argv UNUSED)
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/* we're shrinking the text, so no realloc needed */
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char *space = strchr(rest, ' ');
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if (strcasecmp(rest, "ether") == 0 || strcasecmp(rest, "ax25") == 0 || strcasecmp(rest, "ARCnet") == 0 || strcasecmp(rest, "netrom") == 0) {
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/* found deprecated <class> attribute */
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memmove(rest, space + 1, strlen(space + 1) + 1);
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void make_hex_address(interface_defn * ifd UNUSED, char **pparam, int argc UNUSED, char **argv UNUSED)
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int maxlen = strlen("0000:0000");
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int ret = sscanf(*pparam, "%3hhu.%3hhu.%3hhu.%3hhu",
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&addrcomp[0], &addrcomp[1], &addrcomp[2], &addrcomp[3]);
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*pparam = realloc(*pparam, maxlen + 1);
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snprintf(*pparam, maxlen + 1, "%.2hhx%.2hhx:%.2hhx%.2hhx",
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addrcomp[0], addrcomp[1], addrcomp[2], addrcomp[3]);
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#include <arpa/inet.h>
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void compute_v4_addr(interface_defn * ifd UNUSED, char **pparam, int argc UNUSED, char **argv UNUSED)
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char s[INET_ADDRSTRLEN * 2 + 2]; /* 2 is for slash and \0 */
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strncpy(s, *pparam, sizeof(s));
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char *token = strtok(s, "/");
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*pparam = realloc(*pparam, strlen(token) + 1);
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strcpy(*pparam, token);
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void compute_v4_mask(interface_defn * ifd UNUSED, char **pparam, int argc UNUSED, char **argv UNUSED)
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char s[INET_ADDRSTRLEN * 2 + 2]; /* 2 is for slash and \0 */
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strncpy(s, *pparam, sizeof(s));
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char *token = strtok(s, "/");
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uint8_t addr[sizeof(struct in_addr)];
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if (inet_pton(AF_INET, token, &addr) != 1)
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token = strtok(NULL, "/");
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if (addr[0] <= 127) {
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} else if ((addr[0] >= 128) && (addr[0] <= 191)) {
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} else if ((addr[0] >= 192) && (addr[0] <= 223)) {
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switch (inet_pton(AF_INET, token, &mask)) {
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if (sscanf(token, "%d", &maskwidth) != 1)
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if (maskwidth != -1) {
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mask.s_addr = htonl(~((1L << (32 - maskwidth)) - 1));
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if (inet_ntop(AF_INET, &mask, s, sizeof(s)) == NULL)
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*pparam = realloc(*pparam, strlen(s) + 1);
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void compute_v4_broadcast(interface_defn * ifd, char **pparam, int argc UNUSED, char **argv UNUSED)
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/* If we don't get special value don't do anything */
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if (strcmp(*pparam, "+") && strcmp(*pparam, "-"))
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char *s = get_var("address", strlen("address"), ifd);
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int r = inet_pton(AF_INET, s, &addr);
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s = get_var("netmask", strlen("netmask"), ifd);
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r = inet_pton(AF_INET, s, &mask);
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if (mask.s_addr != htonl(0xfffffffe)) {
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if (!strcmp(*pparam, "+")) {
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addr.s_addr |= ~mask.s_addr;
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if (!strcmp(*pparam, "-")) {
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addr.s_addr &= mask.s_addr;
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if (!strcmp(*pparam, "+")) {
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addr.s_addr = 0xffffffff;
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if (!strcmp(*pparam, "-")) {
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char buffer[INET_ADDRSTRLEN + 1];
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if (inet_ntop(AF_INET, &addr, buffer, sizeof(buffer)) == NULL)
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*pparam = realloc(*pparam, strlen(buffer) + 1);
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strcpy(*pparam, buffer);
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void set_preferred_lft(interface_defn * ifd, char **pparam, int argc UNUSED, char **argv UNUSED)
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if (!ifd->real_iface)
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if (iface_has(":")) {
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*pparam = realloc(*pparam, sizeof(s));
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void get_token(interface_defn * ifd UNUSED, char **pparam, int argc, char **argv)
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token_no = atoi(argv[1]);
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char *s = strdup(*pparam);
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char *token = strtok(s, argv[0]);
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while (token_no > 0) {
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token = strtok(NULL, argv[0]);
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strcpy(*pparam, token);
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*pparam = realloc(*pparam, strlen(argv[2]) + 1);
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strcpy(*pparam, argv[2]);
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void to_decimal(interface_defn * ifd UNUSED, char **pparam, int argc, char **argv)
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base = atoi(argv[0]);
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long value = strtol(*pparam, &result, base);
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if (result == *pparam)
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snprintf(*pparam, strlen(*pparam) + 1, "%ld", value);
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void map_value(interface_defn * ifd UNUSED, char **pparam, int argc, char **argv)
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value = (atoi(*pparam) || strcasecmp(*pparam, "on") == 0 || strcasecmp(*pparam, "true") == 0 || strcasecmp(*pparam, "yes") == 0);
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if ((value < argc) && (argv[value] != NULL)) {
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*pparam = realloc(*pparam, strlen(argv[value]) + 1);
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strcpy(*pparam, argv[value]);
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*pparam = realloc(*pparam, 1);