version 1.12.4.6, 2016/05/18 12:38:16
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version 1.21.18.1, 2022/09/12 21:26:33
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004 - 2016 | Copyright 2004 - 2022 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 49 SUCH DAMAGE.
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Line 49 SUCH DAMAGE.
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#ifndef __linux__ |
#ifndef __linux__ |
static char hexlist[] = "0123456789abcdef"; |
static char hexlist[] = "0123456789abcdef"; |
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#ifndef HAVE_LINK_ADDR |
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/* States*/ |
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#define NAMING 0 |
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#define GOTONE 1 |
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#define GOTTWO 2 |
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#define RESET 3 |
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/* Inputs */ |
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#define DIGIT (4*0) |
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#define END (4*1) |
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#define DELIM (4*2) |
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#define LETTER (4*3) |
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void |
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link_addr(const char *addr, struct sockaddr_dl *sdl) |
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{ |
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char *cp = sdl->sdl_data; |
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char *cplim = sdl->sdl_len + (char *)sdl; |
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int byte = 0, state = NAMING, new = 0; |
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bzero((char *)&sdl->sdl_family, sdl->sdl_len - 1); |
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sdl->sdl_family = AF_LINK; |
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do { |
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state &= ~LETTER; |
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if ((*addr >= '0') && (*addr <= '9')) { |
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new = *addr - '0'; |
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} else if ((*addr >= 'a') && (*addr <= 'f')) { |
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new = *addr - 'a' + 10; |
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} else if ((*addr >= 'A') && (*addr <= 'F')) { |
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new = *addr - 'A' + 10; |
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} else if (*addr == 0) { |
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state |= END; |
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} else if (state == NAMING && |
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(((*addr >= 'A') && (*addr <= 'Z')) || |
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((*addr >= 'a') && (*addr <= 'z')))) |
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state |= LETTER; |
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else |
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state |= DELIM; |
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addr++; |
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switch (state /* | INPUT */) { |
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case NAMING | DIGIT: |
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case NAMING | LETTER: |
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*cp++ = addr[-1]; |
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continue; |
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case NAMING | DELIM: |
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state = RESET; |
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sdl->sdl_nlen = cp - sdl->sdl_data; |
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continue; |
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case GOTTWO | DIGIT: |
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*cp++ = byte; |
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/* FALLTHROUGH */ |
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case RESET | DIGIT: |
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state = GOTONE; |
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byte = new; |
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continue; |
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case GOTONE | DIGIT: |
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state = GOTTWO; |
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byte = new + (byte << 4); |
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continue; |
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default: /* | DELIM */ |
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state = RESET; |
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*cp++ = byte; |
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byte = 0; |
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continue; |
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case GOTONE | END: |
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case GOTTWO | END: |
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*cp++ = byte; |
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/* FALLTHROUGH */ |
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case RESET | END: |
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break; |
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} |
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break; |
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} while (cp < cplim); |
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sdl->sdl_alen = cp - LLADDR(sdl); |
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new = cp - (char *)sdl; |
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if (new > sizeof(*sdl)) |
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sdl->sdl_len = new; |
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return; |
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} |
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#endif |
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/* |
/* |
* e_link_ntoa() - String ethernet address from link address |
* e_link_ntoa() - String ethernet address from link address |
* |
* |
Line 256 e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __r
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Line 338 e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __r
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* @psHost = Hostname |
* @psHost = Hostname |
* @port = Port |
* @port = Port |
* @addr = Network address structure |
* @addr = Network address structure |
* return: NULL error or !=NULL network structure | * return: 0 is error or >0 length of network structure |
*/ |
*/ |
sockaddr_t * | socklen_t |
e_gethostbyname(const char *psHost, u_short port, sockaddr_t * __restrict addr) |
e_gethostbyname(const char *psHost, u_short port, sockaddr_t * __restrict addr) |
{ |
{ |
struct hostent *host = NULL; |
struct hostent *host = NULL; |
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if (!psHost || !addr) |
if (!psHost || !addr) |
return NULL; | return 0; |
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if (*psHost != '/') { |
if (*psHost != '/') { |
/* resolver */ |
/* resolver */ |
host = gethostbyname2(psHost, !strchr(psHost, ':') ? AF_INET : AF_INET6); |
host = gethostbyname2(psHost, !strchr(psHost, ':') ? AF_INET : AF_INET6); |
if (!host) { |
if (!host) { |
elwix_SetErr(EINVAL, "Resolver #%d - %s", h_errno, hstrerror(h_errno)); |
elwix_SetErr(EINVAL, "Resolver #%d - %s", h_errno, hstrerror(h_errno)); |
return NULL; | return 0; |
} else { |
} else { |
memset(addr, 0, sizeof(sockaddr_t)); |
memset(addr, 0, sizeof(sockaddr_t)); |
addr->sa.sa_family = host->h_addrtype; |
addr->sa.sa_family = host->h_addrtype; |
Line 290 e_gethostbyname(const char *psHost, u_short port, sock
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Line 372 e_gethostbyname(const char *psHost, u_short port, sock
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addr->sin.sin_family = AF_INET; |
addr->sin.sin_family = AF_INET; |
addr->sin.sin_port = htons(port); |
addr->sin.sin_port = htons(port); |
memcpy(&addr->sin.sin_addr, host->h_addr, sizeof addr->sin.sin_addr); |
memcpy(&addr->sin.sin_addr, host->h_addr, sizeof addr->sin.sin_addr); |
return addr; | return sizeof addr->sin; |
case AF_INET6: |
case AF_INET6: |
#ifndef __linux__ |
#ifndef __linux__ |
addr->sin6.sin6_len = sizeof(struct sockaddr_in6); |
addr->sin6.sin6_len = sizeof(struct sockaddr_in6); |
Line 298 e_gethostbyname(const char *psHost, u_short port, sock
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Line 380 e_gethostbyname(const char *psHost, u_short port, sock
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addr->sin6.sin6_family = AF_INET6; |
addr->sin6.sin6_family = AF_INET6; |
addr->sin6.sin6_port = htons(port); |
addr->sin6.sin6_port = htons(port); |
memcpy(&addr->sin6.sin6_addr, host->h_addr, sizeof addr->sin6.sin6_addr); |
memcpy(&addr->sin6.sin6_addr, host->h_addr, sizeof addr->sin6.sin6_addr); |
return addr; | return sizeof addr->sin6; |
case AF_LOCAL: |
case AF_LOCAL: |
#ifndef __linux__ |
#ifndef __linux__ |
addr->sun.sun_len = sizeof(struct sockaddr_un); |
addr->sun.sun_len = sizeof(struct sockaddr_un); |
Line 306 e_gethostbyname(const char *psHost, u_short port, sock
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Line 388 e_gethostbyname(const char *psHost, u_short port, sock
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addr->sun.sun_family = AF_LOCAL; |
addr->sun.sun_family = AF_LOCAL; |
memset(addr->sun.sun_path, 0, sizeof addr->sun.sun_path); |
memset(addr->sun.sun_path, 0, sizeof addr->sun.sun_path); |
snprintf(addr->sun.sun_path, sizeof addr->sun.sun_path, "%s-%hu", psHost, port); |
snprintf(addr->sun.sun_path, sizeof addr->sun.sun_path, "%s-%hu", psHost, port); |
return addr; | return sizeof addr->sun; |
default: |
default: |
elwix_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", addr->sa.sa_family); |
elwix_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", addr->sa.sa_family); |
break; |
break; |
} |
} |
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return NULL; | return 0; |
} |
} |
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/* |
/* |
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* e_addrlen() - Get address length from network structure |
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* |
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* @addr = address |
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* return: 0 is error or >0 length of network structure |
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*/ |
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socklen_t |
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e_addrlen(const sockaddr_t *addr) |
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{ |
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if (!addr) |
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return 0; |
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switch (addr->sa.sa_family) { |
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case AF_INET: |
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return sizeof addr->sin; |
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case AF_INET6: |
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return sizeof addr->sin6; |
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case AF_LOCAL: |
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return sizeof addr->sun; |
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#ifndef __linux__ |
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case AF_LINK: |
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return sizeof addr->sdl; |
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#endif |
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} |
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return E_SOCKADDR_MAX; |
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} |
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/* |
* e_addrcmp() - Compare network addresses |
* e_addrcmp() - Compare network addresses |
* |
* |
* @a = 1st address |
* @a = 1st address |
Line 388 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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Line 498 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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case AF_INET: |
case AF_INET: |
for (i = 0; i < sizeof(struct in_addr); i++) { |
for (i = 0; i < sizeof(struct in_addr); i++) { |
ret = ((caddr_t) &net->addr.sin.sin_addr.s_addr)[i] & |
ret = ((caddr_t) &net->addr.sin.sin_addr.s_addr)[i] & |
net->mask.in.s4_addr[i]; | net->mask.in4.s4_addr[i]; |
ret -= addr->in.s4_addr[i] & net->mask.in.s4_addr[i]; | ret -= addr->in4.s4_addr[i] & net->mask.in4.s4_addr[i]; |
if (ret) |
if (ret) |
break; |
break; |
} |
} |
Line 453 e_getnet(const char *net)
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Line 563 e_getnet(const char *net)
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#endif |
#endif |
n->addr.sin.sin_family = host->h_addrtype; |
n->addr.sin.sin_family = host->h_addrtype; |
memcpy(&n->addr.sin.sin_addr, host->h_addr, sizeof n->addr.sin.sin_addr); |
memcpy(&n->addr.sin.sin_addr, host->h_addr, sizeof n->addr.sin.sin_addr); |
if (wrk) | if (wrk && strtol(wrk, NULL, 10) != 32) |
n->mask.in.s_addr = E_CIDRMASK(strtol(wrk, NULL, 10)); |
n->mask.in.s_addr = E_CIDRMASK(strtol(wrk, NULL, 10)); |
else |
else |
n->mask.in.s_addr = 0xFFFFFFFF; |
n->mask.in.s_addr = 0xFFFFFFFF; |
Line 668 e_getlinkbyether(const ether_addr_t * __restrict mac,
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Line 778 e_getlinkbyether(const ether_addr_t * __restrict mac,
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return a; |
return a; |
} |
} |
#endif |
#endif |
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/* |
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* e_network() - Get network from address string |
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* |
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* @csAddr = Address string with CIDR mask /xx |
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* @net = Network information structure |
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* return: -1 error, 1 nothing for return or 0 ok |
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*/ |
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int |
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e_network(const char *csAddr, netaddr_t * __restrict net) |
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{ |
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int ret = 0; |
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u_char mask = 0; |
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inaddr_t a; |
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char *pos, szAddr[STRSIZ]; |
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register int i; |
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if (!csAddr || !net) |
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return -1; |
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else |
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strlcpy(szAddr, csAddr, sizeof szAddr); |
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memset(net, 0, sizeof(netaddr_t)); |
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pos = strrchr(szAddr, '/'); |
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if (pos) { |
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*pos++ = 0; |
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mask = (u_char) strtol(pos, NULL, 10); |
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} else |
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return 1; |
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if (strchr(szAddr, ':')) { |
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if (mask > 128) |
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return -1; |
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else { |
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#ifndef __linux__ |
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for (i = 0; i < 4 && (mask / 32); i++, mask -= 32) |
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net->mask.in6.__u6_addr.__u6_addr32[i] = 0xFFFFFFFF; |
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if (mask) |
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net->mask.in6.__u6_addr.__u6_addr32[i] = E_CIDRMASK(mask % 32); |
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#else |
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for (i = 0; i < 4 && (mask / 32); i++, mask -= 32) |
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net->mask.in6.__in6_u.__u6_addr32[i] = 0xFFFFFFFF; |
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if (mask) |
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net->mask.in6.__in6_u.__u6_addr32[i] = E_CIDRMASK(mask % 32); |
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#endif |
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} |
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inet_pton(AF_INET6, szAddr, &a.in6); |
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#ifndef __linux__ |
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net->addr.sin6.sin6_len = sizeof net->addr.sin6; |
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for (i = 0; i < 4; i++) |
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net->addr.sin6.sin6_addr.__u6_addr.__u6_addr32[i] = |
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a.in6.__u6_addr.__u6_addr32[i] & net->mask.in6.__u6_addr.__u6_addr32[i]; |
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#else |
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for (i = 0; i < 4; i++) |
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net->addr.sin6.sin6_addr.__in6_u.__u6_addr32[i] = |
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a.in6.__in6_u.__u6_addr32[i] & net->mask.in6.__in6_u.__u6_addr32[i]; |
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#endif |
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} else { |
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if (mask > 32) |
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return -1; |
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else { |
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if (mask == 32) |
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net->mask.in.s_addr = 0xFFFFFFFF; |
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else |
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net->mask.in.s_addr = E_CIDRMASK(mask); |
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} |
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inet_pton(AF_INET, szAddr, &a.in4); |
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#ifndef __linux__ |
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net->addr.sin.sin_len = sizeof net->addr.sin; |
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#endif |
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net->addr.sin.sin_addr.s_addr = a.in.s_addr & net->mask.in.s_addr; |
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} |
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return ret; |
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} |