version 1.1.1.1.6.1, 2013/05/26 20:03:19
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version 1.18, 2018/03/15 14:51:05
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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 - 2018 |
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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#ifndef __linux__ |
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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; |
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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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/* |
/* |
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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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/* |
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* e_link_addr() - String ethernet address to link address |
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* |
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* @mac = ethernet address |
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* @sdl = link address |
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* return: -1 error or 0 ok |
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*/ |
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int |
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e_link_addr(const char *mac, struct sockaddr_dl * __restrict sdl) |
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{ |
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if (!mac || !sdl) |
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return -1; |
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if (!sdl->sdl_len) |
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sdl->sdl_len = sizeof(struct sockaddr_dl); |
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link_addr(mac, sdl); |
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return 0; |
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} |
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#endif |
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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 206 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->octet[0], n->octet[1], |
n->ether_addr_octet[2], n->ether_addr_octet[3], | n->octet[2], n->octet[3], |
n->ether_addr_octet[4], n->ether_addr_octet[5]) < 17) | n->octet[4], n->octet[5]) < 17) |
return NULL; |
return NULL; |
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return a; |
return a; |
Line 77 e_ether_ntoa(const struct e_ether_addr *n, char * __re
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Line 228 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->octet[0], |
| &e->octet[1], |
| &e->octet[2], |
| &e->octet[3], |
| &e->octet[4], |
| &e->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 285 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) |
{ |
{ |
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#ifndef __linux__ |
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char *s; |
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#endif |
char str[INET6_ADDRSTRLEN] = { 0 }; |
char str[INET6_ADDRSTRLEN] = { 0 }; |
const char *ret = NULL; |
const char *ret = NULL; |
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Line 161 e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __r
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Line 313 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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#ifndef __linux__ |
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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; |
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#endif |
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 177 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 */ |
if (!addr->sa.sa_family) | host = gethostbyname2(psHost, !strchr(psHost, ':') ? AF_INET : AF_INET6); |
host = gethostbyname(psHost); | |
else | |
host = gethostbyname2(psHost, addr->sa.sa_family); | |
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 208 e_gethostbyname(const char *psHost, u_short port, sock
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Line 366 e_gethostbyname(const char *psHost, u_short port, sock
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switch (addr->sa.sa_family) { |
switch (addr->sa.sa_family) { |
case AF_INET: |
case AF_INET: |
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#ifndef __linux__ |
addr->sin.sin_len = sizeof(struct sockaddr_in); |
addr->sin.sin_len = sizeof(struct sockaddr_in); |
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#endif |
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: |
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#ifndef __linux__ |
addr->sin6.sin6_len = sizeof(struct sockaddr_in6); |
addr->sin6.sin6_len = sizeof(struct sockaddr_in6); |
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#endif |
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: |
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#ifndef __linux__ |
addr->sun.sun_len = sizeof(struct sockaddr_un); |
addr->sun.sun_len = sizeof(struct sockaddr_un); |
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#endif |
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 260 e_addrcmp(sockaddr_t * __restrict a, sockaddr_t * __re
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Line 452 e_addrcmp(sockaddr_t * __restrict a, sockaddr_t * __re
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else |
else |
return memcmp(&a->sin6.sin6_addr, &b->sin6.sin6_addr, |
return memcmp(&a->sin6.sin6_addr, &b->sin6.sin6_addr, |
sizeof a->sin6.sin6_addr); |
sizeof a->sin6.sin6_addr); |
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#ifndef __linux__ |
case AF_LINK: |
case AF_LINK: |
return memcmp(&a->sdl.sdl_data, &b->sdl.sdl_data, |
return memcmp(&a->sdl.sdl_data, &b->sdl.sdl_data, |
sizeof a->sdl.sdl_data); |
sizeof a->sdl.sdl_data); |
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#endif |
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case AF_UNSPEC: |
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return memcmp(a, b, sizeof(sockaddr_t)); |
} |
} |
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return (int) !!(a - b); |
return (int) !!(a - b); |
Line 281 e_usleep(u_int usec)
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Line 477 e_usleep(u_int usec)
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return select(0, NULL, NULL, NULL, &tv); |
return select(0, NULL, NULL, NULL, &tv); |
} |
} |
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/* |
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* e_innet() - Test address match in network |
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* |
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* @net = network |
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* @addr = address |
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* return: -1 error, 0 match or 1 not match |
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*/ |
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int |
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e_innet(netaddr_t * __restrict net, inaddr_t * __restrict addr) |
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{ |
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register int i; |
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int ret = 0; |
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if (!net || !addr) |
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return -1; |
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switch (net->addr.sa.sa_family) { |
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case AF_INET: |
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for (i = 0; i < sizeof(struct in_addr); i++) { |
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ret = ((caddr_t) &net->addr.sin.sin_addr.s_addr)[i] & |
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net->mask.in.s4_addr[i]; |
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ret -= addr->in.s4_addr[i] & net->mask.in.s4_addr[i]; |
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if (ret) |
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break; |
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} |
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break; |
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case AF_INET6: |
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for (i = 0; i < sizeof(struct in6_addr); i++) { |
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ret = net->addr.sin6.sin6_addr.s6_addr[i] & |
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net->mask.in6.s6_addr[i]; |
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ret -= addr->in6.s6_addr[i] & net->mask.in6.s6_addr[i]; |
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if (ret) |
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break; |
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} |
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break; |
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default: |
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return -1; |
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} |
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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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#ifndef __linux__ |
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n->addr.sin.sin_len = sizeof(struct sockaddr_in); |
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#endif |
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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 && strtol(wrk, NULL, 10) != 32) |
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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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#ifndef __linux__ |
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n->addr.sin6.sin6_len = sizeof(struct sockaddr_in6); |
|
#endif |
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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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e_free(str); |
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return n; |
|
} |
|
|
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/* |
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* e_ether_addr() - Get or set ethernet address from interface name |
|
* |
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* @ifname = interface name |
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* @addr = if addr is !=NULL then set new ethernet address |
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* return: NULL error or !=NULL get current ethernet address should be e_free() |
|
*/ |
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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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struct ifreq req; |
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int s; |
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sockaddr_t sa = E_SOCKADDR_INIT; |
|
|
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memset(&req, 0, sizeof req); |
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if (!ifname) |
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return NULL; |
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|
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getifaddrs(&ifa); |
|
for (p = ifa; p && p->ifa_name; p = p->ifa_next) { |
|
#ifndef __linux__ |
|
if (p->ifa_name && !strcmp(p->ifa_name, ifname) && p->ifa_addr && |
|
p->ifa_addr->sa_family == AF_LINK) { |
|
a = e_malloc(sizeof(ether_addr_t)); |
|
if (a) |
|
memcpy(a, LLADDR((struct sockaddr_dl*) p->ifa_addr), |
|
sizeof(ether_addr_t)); |
|
|
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/* should set mac address */ |
|
if (addr && (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) > 0) { |
|
strlcpy(req.ifr_name, ifname, sizeof req.ifr_name); |
|
sa.sa.sa_family = AF_LINK; |
|
sa.sa.sa_len = sizeof(ether_addr_t); |
|
memcpy(sa.sa.sa_data, addr, sizeof(ether_addr_t)); |
|
req.ifr_ifru.ifru_addr = sa.sa; |
|
ioctl(s, SIOCSIFLLADDR, &req); |
|
close(s); |
|
} |
|
break; |
|
} |
|
#else |
|
if (p->ifa_name && !strcmp(p->ifa_name, ifname)) { |
|
s = socket(AF_INET, SOCK_DGRAM, 0); |
|
if (s == -1) |
|
break; |
|
strlcpy(req.ifr_name, ifname, sizeof req.ifr_name); |
|
if (!ioctl(s, SIOCGIFHWADDR, &req)) { |
|
a = e_malloc(sizeof(ether_addr_t)); |
|
if (a) |
|
memcpy(a, req.ifr_addr.sa_data, sizeof(ether_addr_t)); |
|
|
|
/* should set mac address */ |
|
if (addr) { |
|
memset(&req, 0, sizeof req); |
|
strlcpy(req.ifr_name, ifname, sizeof req.ifr_name); |
|
sa.sa.sa_family = ARPHRD_ETHER; |
|
memcpy(sa.sa.sa_data, addr, sizeof(ether_addr_t)); |
|
req.ifr_hwaddr = sa.sa; |
|
ioctl(s, SIOCSIFHWADDR, &req); |
|
} |
|
} |
|
close(s); |
|
break; |
|
} |
|
#endif |
|
} |
|
freeifaddrs(ifa); |
|
|
|
return a; |
|
} |
|
|
|
/* |
|
* e_get1stiface() - Get first interface of host |
|
* |
|
* @szIface = interface string buffer |
|
* @iflen = size of interface buffer |
|
* return: -1 error or 0 ok |
|
*/ |
|
int |
|
e_get1stiface(char *szIface, int iflen) |
|
{ |
|
struct ifaddrs *ifa; |
|
|
|
if (!szIface || !iflen) |
|
return -1; |
|
|
|
getifaddrs(&ifa); |
|
strlcpy(szIface, ifa->ifa_name, iflen); |
|
freeifaddrs(ifa); |
|
return 0; |
|
} |
|
|
|
#ifndef __linux__ |
|
/* |
|
* e_getifacebyname() - Get interface and make network structure |
|
* |
|
* @psIface = Interface, if =NULL first interface |
|
* @addr = Network address structure |
|
* return: NULL error or !=NULL network structure |
|
*/ |
|
sockaddr_t * |
|
e_getifacebyname(const char *psIface, sockaddr_t * __restrict addr) |
|
{ |
|
char szIface[64] = { [0 ... 63] = 0 }; |
|
struct ifaddrs *p, *ifa = NULL; |
|
|
|
if (!addr) |
|
return NULL; |
|
|
|
memset(addr, 0, sizeof(sockaddr_t)); |
|
getifaddrs(&ifa); |
|
strlcpy(szIface, psIface ? psIface : ifa->ifa_name, sizeof szIface); |
|
for (p = ifa; p && p->ifa_name; p = p->ifa_next) |
|
if (p->ifa_name && !strcmp(p->ifa_name, szIface) && p->ifa_addr && |
|
p->ifa_addr->sa_family == AF_LINK) { |
|
memcpy(&addr->sdl, p->ifa_addr, sizeof(struct sockaddr_dl)); |
|
break; |
|
} |
|
freeifaddrs(ifa); |
|
|
|
return addr; |
|
} |
|
|
|
/* |
|
* e_getlinkbyname() - Get host ethernet address and make network structure |
|
* |
|
* @psHost = Host ethernet address |
|
* @addr = Network address structure |
|
* return: NULL error or !=NULL network structure |
|
*/ |
|
sockaddr_t * |
|
e_getlinkbyname(const char *psHost, sockaddr_t * __restrict addr) |
|
{ |
|
ait_val_t v; |
|
sockaddr_t *a = addr; |
|
|
|
if (!psHost || !addr) |
|
return NULL; |
|
else |
|
memset(addr, 0, sizeof(sockaddr_t)); |
|
|
|
AIT_INIT_VAL2(&v, string); |
|
if (!strchr(psHost, '.')) |
|
AIT_SET_STR(&v, ":"); |
|
AIT_SET_STRCAT(&v, psHost); |
|
|
|
addr->sdl.sdl_len = sizeof(struct sockaddr_dl); |
|
if (e_link_addr(AIT_GET_STR(&v), &addr->sdl)) |
|
a = NULL; |
|
|
|
AIT_FREE_VAL(&v); |
|
return a; |
|
} |
|
|
|
/* |
|
* e_getlinkbyether() - Get ethernet address and make network structure |
|
* |
|
* @mac = Ethernet address |
|
* @idx = Interface index |
|
* @type = Interface type |
|
* @iface = Interface name |
|
* @addr = Network address structure |
|
* return: NULL error or !=NULL network structure |
|
*/ |
|
sockaddr_t * |
|
e_getlinkbyether(const ether_addr_t * __restrict mac, u_short idx, u_char type, |
|
const char *iface, sockaddr_t * __restrict addr) |
|
{ |
|
sockaddr_t *a = addr; |
|
|
|
if (!addr) |
|
return NULL; |
|
else |
|
memset(addr, 0, sizeof(sockaddr_t)); |
|
|
|
addr->sdl.sdl_len = sizeof(struct sockaddr_dl); |
|
addr->sdl.sdl_family = AF_LINK; |
|
addr->sdl.sdl_index = idx; |
|
addr->sdl.sdl_type = type; |
|
if (iface && *iface) { |
|
addr->sdl.sdl_nlen = strlen(iface); |
|
memcpy(addr->sdl.sdl_data, iface, addr->sdl.sdl_nlen); |
|
} |
|
addr->sdl.sdl_alen = sizeof(ether_addr_t); |
|
memcpy(LLADDR(&addr->sdl), mac, addr->sdl.sdl_alen); |
|
|
|
return a; |
|
} |
|
#endif |