version 1.2.2.2, 2013/06/03 11:48:26
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version 1.9, 2014/01/29 14:16:54
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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, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 | Copyright 2004 - 2014 |
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 46 SUCH DAMAGE.
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Line 46 SUCH DAMAGE.
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#include "global.h" |
#include "global.h" |
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static char hexlist[] = "0123456789abcdef"; |
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/* |
/* |
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* e_link_ntoa() - String ethernet address from link address |
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* |
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* @sdl = link address |
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* return: =NULL error or !=NULL ethernet address, should be e_free() |
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*/ |
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char * |
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e_link_ntoa(const struct sockaddr_dl *sdl) |
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{ |
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static char obuf[64]; |
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char *out = obuf; |
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int i; |
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u_char *in = (u_char*) LLADDR(sdl); |
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u_char *inlim = in + sdl->sdl_alen; |
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int firsttime = 1; |
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if (sdl->sdl_nlen) { |
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memcpy(obuf, sdl->sdl_data, sdl->sdl_nlen); |
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out += sdl->sdl_nlen; |
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if (sdl->sdl_alen) |
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*out++ = '!'; |
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} |
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while (in < inlim) { |
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if (firsttime) |
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firsttime ^= firsttime; |
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else |
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*out++ = ':'; |
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i = *in++; |
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if (i > 0xf) { |
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out[1] = hexlist[i & 0xf]; |
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i >>= 4; |
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} else { |
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out[1] = hexlist[i]; |
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i = 0; |
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} |
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out[0] = hexlist[i]; |
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out += 2; |
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} |
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*out = 0; |
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return obuf; |
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} |
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/* |
* e_ether_ntoa() - Convert ethernet address to string |
* e_ether_ntoa() - Convert ethernet address to string |
* |
* |
* @n = ethernet address structure, like struct ether_addr |
* @n = ethernet address structure, like struct ether_addr |
Line 55 SUCH DAMAGE.
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Line 103 SUCH DAMAGE.
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* return: NULL error or !=NULL string a |
* return: NULL error or !=NULL string a |
*/ |
*/ |
char * |
char * |
e_ether_ntoa(const struct e_ether_addr *n, char * __restrict a, int len) | e_ether_ntoa(const ether_addr_t * __restrict n, char * __restrict a, int len) |
{ |
{ |
if (!n || !a) |
if (!n || !a) |
return NULL; |
return NULL; |
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memset(a, 0, len); |
memset(a, 0, len); |
if (snprintf(a, len, "%02x:%02x:%02x:%02x:%02x:%02x", | if (snprintf(a, len, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", |
n->ether_addr_octet[0], n->ether_addr_octet[1], |
n->ether_addr_octet[0], n->ether_addr_octet[1], |
n->ether_addr_octet[2], n->ether_addr_octet[3], |
n->ether_addr_octet[2], n->ether_addr_octet[3], |
n->ether_addr_octet[4], n->ether_addr_octet[5]) < 17) |
n->ether_addr_octet[4], n->ether_addr_octet[5]) < 17) |
Line 77 e_ether_ntoa(const struct e_ether_addr *n, char * __re
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Line 125 e_ether_ntoa(const struct e_ether_addr *n, char * __re
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* @e = ethernet address structure, like struct ether_addr |
* @e = ethernet address structure, like struct ether_addr |
* return: NULL error or !=NULL ethernet address structure |
* return: NULL error or !=NULL ethernet address structure |
*/ |
*/ |
struct e_ether_addr * | ether_addr_t * |
e_ether_aton(const char *a, struct e_ether_addr *e) | e_ether_aton(const char *a, ether_addr_t * __restrict e) |
{ |
{ |
int i; |
int i; |
u_int o0, o1, o2, o3, o4, o5; |
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if (!a || !e) |
if (!a || !e) |
return NULL; |
return NULL; |
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i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o0, &o1, &o2, &o3, &o4, &o5); | i = sscanf(a, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
| &e->ether_addr_octet[0], |
| &e->ether_addr_octet[1], |
| &e->ether_addr_octet[2], |
| &e->ether_addr_octet[3], |
| &e->ether_addr_octet[4], |
| &e->ether_addr_octet[5]); |
if (i != 6) |
if (i != 6) |
return NULL; |
return NULL; |
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e->ether_addr_octet[0] = o0; |
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e->ether_addr_octet[1] = o1; |
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e->ether_addr_octet[2] = o2; |
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e->ether_addr_octet[3] = o3; |
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e->ether_addr_octet[4] = o4; |
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e->ether_addr_octet[5] = o5; |
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return e; |
return e; |
} |
} |
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Line 136 e_n2port(sockaddr_t * __restrict addr)
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Line 182 e_n2port(sockaddr_t * __restrict addr)
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const char * |
const char * |
e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __restrict val) |
e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __restrict val) |
{ |
{ |
char str[INET6_ADDRSTRLEN] = { 0 }; | char *s, str[INET6_ADDRSTRLEN] = { 0 }; |
const char *ret = NULL; |
const char *ret = NULL; |
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if (!addr || !val) |
if (!addr || !val) |
Line 161 e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __r
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Line 207 e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __r
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case AF_LOCAL: |
case AF_LOCAL: |
ret = addr->sun.sun_path; |
ret = addr->sun.sun_path; |
break; |
break; |
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case AF_LINK: |
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if (!(s = e_link_ntoa(&addr->sdl))) { |
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LOGERR; |
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return ret; |
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} else |
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ret = s; |
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break; |
default: |
default: |
elwix_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", |
elwix_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", |
addr->sa.sa_family); |
addr->sa.sa_family); |
Line 300 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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Line 353 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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switch (net->addr.sa.sa_family) { |
switch (net->addr.sa.sa_family) { |
case AF_INET: |
case AF_INET: |
ret = net->addr.sin.sin_addr.s_addr & net->mask.in.s_addr; | for (i = 0; i < sizeof(struct in_addr); i++) { |
ret -= addr->in.s_addr & net->mask.in.s_addr; | ret = ((caddr_t) &net->addr.sin.sin_addr.s_addr)[i] & |
| net->mask.in.s4_addr[i]; |
| ret -= addr->in.s4_addr[i] & net->mask.in.s4_addr[i]; |
| if (ret) |
| break; |
| } |
break; |
break; |
case AF_INET6: |
case AF_INET6: |
for (i = 0; i < sizeof(struct in6_addr); i++) { |
for (i = 0; i < sizeof(struct in6_addr); i++) { |
ret = net->addr.sin6.sin6_addr.s6_addr[i] & net->mask.in6.s6_addr[i]; | ret = net->addr.sin6.sin6_addr.s6_addr[i] & |
| net->mask.in6.s6_addr[i]; |
ret -= addr->in6.s6_addr[i] & net->mask.in6.s6_addr[i]; |
ret -= addr->in6.s6_addr[i] & net->mask.in6.s6_addr[i]; |
if (ret) |
if (ret) |
break; |
break; |
Line 316 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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Line 375 e_innet(netaddr_t * __restrict net, inaddr_t * __restr
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} |
} |
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return !!ret; |
return !!ret; |
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} |
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/* |
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* e_getnet() - Get network from string |
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* |
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* @net = Network string (format: <net[/cidr]>) |
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* return: NULL error or !=NULL network should be e_free() |
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*/ |
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netaddr_t * |
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e_getnet(const char *net) |
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{ |
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netaddr_t *n; |
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char *str, *wrk; |
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struct hostent *host; |
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n = e_malloc(sizeof(netaddr_t)); |
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if (!n) { |
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LOGERR; |
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return NULL; |
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} else |
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memset(n, 0, sizeof(netaddr_t)); |
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str = e_strdup(net); |
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if (!str) { |
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LOGERR; |
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e_free(n); |
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return NULL; |
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} |
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wrk = strchr(str, '/'); |
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if (wrk) |
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*wrk++ = 0; |
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host = gethostbyname2(str, strchr(str, ':') ? AF_INET6 : AF_INET); |
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if (!host) { |
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elwix_SetErr(EINVAL, "Resolver #%d - %s", h_errno, hstrerror(h_errno)); |
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e_free(str); |
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e_free(n); |
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return NULL; |
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} |
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switch (host->h_addrtype) { |
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case AF_INET: |
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n->addr.sin.sin_len = sizeof(struct sockaddr_in); |
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n->addr.sin.sin_family = host->h_addrtype; |
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memcpy(&n->addr.sin.sin_addr, host->h_addr, sizeof n->addr.sin.sin_addr); |
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if (wrk) |
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n->mask.in.s_addr = E_CIDRMASK(strtol(wrk, NULL, 10)); |
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else |
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n->mask.in.s_addr = 0xFFFFFFFF; |
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break; |
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case AF_INET6: |
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n->addr.sin6.sin6_len = sizeof(struct sockaddr_in6); |
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n->addr.sin6.sin6_family = host->h_addrtype; |
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memcpy(&n->addr.sin6.sin6_addr, host->h_addr, sizeof n->addr.sin6.sin6_addr); |
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/* TODO: should support ipv6 mask */ |
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break; |
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default: |
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elwix_SetErr(EINVAL, "Unsupported family #%d", host->h_addrtype); |
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e_free(str); |
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e_free(n); |
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return NULL; |
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} |
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e_free(str); |
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return n; |
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} |
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/* |
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* e_ether_addr() - Get or set ethernet address from interface name |
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* |
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* @ifname = interface name |
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* @addr = if addr is !=NULL then set this for new address |
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* return: NULL error or !=NULL get ethernet address |
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*/ |
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ether_addr_t * |
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e_ether_addr(const char *ifname, ether_addr_t * __restrict addr) |
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{ |
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ether_addr_t *a = NULL; |
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struct ifaddrs *p, *ifa = NULL; |
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if (!ifname) |
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return NULL; |
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a = e_malloc(sizeof(ether_addr_t)); |
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if (!a) |
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return NULL; |
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else |
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memset(a, 0, sizeof(ether_addr_t)); |
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getifaddrs(&ifa); |
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for (p = ifa; p && p->ifa_name; p++) |
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if (p->ifa_name && !strcmp(p->ifa_name, ifname) && p->ifa_addr && |
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p->ifa_addr->sa_family == AF_LINK) { |
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memcpy(a, LLADDR((struct sockaddr_dl*) p->ifa_addr), sizeof(ether_addr_t)); |
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break; |
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} |
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freeifaddrs(ifa); |
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return a; |
} |
} |