diff options
Diffstat (limited to 'usr.sbin/bootpd/getether.c')
| -rw-r--r-- | usr.sbin/bootpd/getether.c | 374 | 
1 files changed, 0 insertions, 374 deletions
| diff --git a/usr.sbin/bootpd/getether.c b/usr.sbin/bootpd/getether.c deleted file mode 100644 index d131b50f7f89..000000000000 --- a/usr.sbin/bootpd/getether.c +++ /dev/null @@ -1,374 +0,0 @@ -/* - * getether.c : get the ethernet address of an interface - * - * All of this code is quite system-specific.  As you may well - * guess, it took a good bit of detective work to figure out! - * - * If you figure out how to do this on another system, - * please let me know.  <gwr@mc.com> - */ - -#include <sys/types.h> -#include <sys/socket.h> - -#include <ctype.h> -#include <syslog.h> - -#include "report.h" -#define EALEN 6 - -#if defined(ultrix) || (defined(__osf__) && defined(__alpha)) -/* - * This is really easy on Ultrix!  Thanks to - * Harald Lundberg <hl@tekla.fi> for this code. - * - * The code here is not specific to the Alpha, but that was the - * only symbol we could find to identify DEC's version of OSF. - * (Perhaps we should just define DEC in the Makefile... -gwr) - */ - -#include <sys/ioctl.h> -#include <net/if.h>				/* struct ifdevea */ - -getether(ifname, eap) -	char *ifname, *eap; -{ -	int rc = -1; -	int fd; -	struct ifdevea phys; -	bzero(&phys, sizeof(phys)); -	strcpy(phys.ifr_name, ifname); -	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { -		report(LOG_ERR, "getether: socket(INET,DGRAM) failed"); -		return -1; -	} -	if (ioctl(fd, SIOCRPHYSADDR, &phys) < 0) { -		report(LOG_ERR, "getether: ioctl SIOCRPHYSADDR failed"); -	} else { -		bcopy(&phys.current_pa[0], eap, EALEN); -		rc = 0; -	} -	close(fd); -	return rc; -} - -#define	GETETHER -#endif /* ultrix|osf1 */ - - -#ifdef	SUNOS - -#include <sys/sockio.h> -#include <sys/time.h>			/* needed by net_if.h */ -#include <net/nit_if.h>			/* for NIOCBIND */ -#include <net/if.h>				/* for struct ifreq */ - -getether(ifname, eap) -	char *ifname;				/* interface name from ifconfig structure */ -	char *eap;					/* Ether address (output) */ -{ -	int rc = -1; - -	struct ifreq ifrnit; -	int nit; - -	bzero((char *) &ifrnit, sizeof(ifrnit)); -	strncpy(&ifrnit.ifr_name[0], ifname, IFNAMSIZ); - -	nit = open("/dev/nit", 0); -	if (nit < 0) { -		report(LOG_ERR, "getether: open /dev/nit: %s", -			   get_errmsg()); -		return rc; -	} -	do { -		if (ioctl(nit, NIOCBIND, &ifrnit) < 0) { -			report(LOG_ERR, "getether: NIOCBIND on nit"); -			break; -		} -		if (ioctl(nit, SIOCGIFADDR, &ifrnit) < 0) { -			report(LOG_ERR, "getether: SIOCGIFADDR on nit"); -			break; -		} -		bcopy(&ifrnit.ifr_addr.sa_data[0], eap, EALEN); -		rc = 0; -	} while (0); -	close(nit); -	return rc; -} - -#define	GETETHER -#endif /* SUNOS */ - - -#if defined(__386BSD__) || defined(__NetBSD__) -/* Thanks to John Brezak <brezak@ch.hp.com> for this code. */ -#include <sys/ioctl.h> -#include <net/if.h> -#include <net/if_dl.h> -#include <net/if_types.h> - -getether(ifname, eap) -	char *ifname;				/* interface name from ifconfig structure */ -	char *eap;					/* Ether address (output) */ -{ -	int fd, rc = -1; -	register int n; -	struct ifreq ibuf[16], ifr; -	struct ifconf ifc; -	register struct ifreq *ifrp, *ifend; - -	/* Fetch the interface configuration */ -	fd = socket(AF_INET, SOCK_DGRAM, 0); -	if (fd < 0) { -		report(LOG_ERR, "getether: socket %s: %s", ifname, get_errmsg()); -		return (fd); -	} -	ifc.ifc_len = sizeof(ibuf); -	ifc.ifc_buf = (caddr_t) ibuf; -	if (ioctl(fd, SIOCGIFCONF, (char *) &ifc) < 0 || -		ifc.ifc_len < sizeof(struct ifreq)) { -		report(LOG_ERR, "getether: SIOCGIFCONF: %s", get_errmsg); -		goto out; -	} -	/* Search interface configuration list for link layer address. */ -	ifrp = ibuf; -	ifend = (struct ifreq *) ((char *) ibuf + ifc.ifc_len); -	while (ifrp < ifend) { -		/* Look for interface */ -		if (strcmp(ifname, ifrp->ifr_name) == 0 && -			ifrp->ifr_addr.sa_family == AF_LINK && -		((struct sockaddr_dl *) &ifrp->ifr_addr)->sdl_type == IFT_ETHER) { -			bcopy(LLADDR((struct sockaddr_dl *) &ifrp->ifr_addr), eap, EALEN); -			rc = 0; -			break; -		} -		/* Bump interface config pointer */ -		n = ifrp->ifr_addr.sa_len + sizeof(ifrp->ifr_name); -		if (n < sizeof(*ifrp)) -			n = sizeof(*ifrp); -		ifrp = (struct ifreq *) ((char *) ifrp + n); -	} - -  out: -	close(fd); -	return (rc); -} - -#define	GETETHER -#endif /* __NetBSD__ */ - - -#ifdef	SVR4 -/* - * This is for "Streams TCP/IP" by Lachman Associates. - * They sure made this cumbersome!  -gwr - */ - -#include <sys/sockio.h> -#include <sys/dlpi.h> -#include <stropts.h> -#ifndef NULL -#define NULL 0 -#endif - -getether(ifname, eap) -	char *ifname;				/* interface name from ifconfig structure */ -	char *eap;					/* Ether address (output) */ -{ -	int rc = -1; -	char devname[32]; -	char tmpbuf[sizeof(union DL_primitives) + 16]; -	struct strbuf cbuf; -	int fd, flags; -	union DL_primitives *dlp; -	char *enaddr; -	int unit = -1;				/* which unit to attach */ - -	sprintf(devname, "/dev/%s", ifname); -	fd = open(devname, 2); -	if (fd < 0) { -		/* Try without the trailing digit. */ -		char *p = devname + 5; -		while (isalpha(*p)) -			p++; -		if (isdigit(*p)) { -			unit = *p - '0'; -			*p = '\0'; -		} -		fd = open(devname, 2); -		if (fd < 0) { -			report(LOG_ERR, "getether: open %s: %s", -				   devname, get_errmsg()); -			return rc; -		} -	} -#ifdef	DL_ATTACH_REQ -	/* -	 * If this is a "Style 2" DLPI, then we must "attach" first -	 * to tell the driver which unit (board, port) we want. -	 * For now, decide this based on the device name. -	 * (Should do "info_req" and check dl_provider_style ...) -	 */ -	if (unit >= 0) { -		memset(tmpbuf, 0, sizeof(tmpbuf)); -		dlp = (union DL_primitives *) tmpbuf; -		dlp->dl_primitive = DL_ATTACH_REQ; -		dlp->attach_req.dl_ppa = unit; -		cbuf.buf = tmpbuf; -		cbuf.len = DL_ATTACH_REQ_SIZE; -		if (putmsg(fd, &cbuf, NULL, 0) < 0) { -			report(LOG_ERR, "getether: attach: putmsg: %s", get_errmsg()); -			goto out; -		} -		/* Recv the ack. */ -		cbuf.buf = tmpbuf; -		cbuf.maxlen = sizeof(tmpbuf); -		flags = 0; -		if (getmsg(fd, &cbuf, NULL, &flags) < 0) { -			report(LOG_ERR, "getether: attach: getmsg: %s", get_errmsg()); -			goto out; -		} -		/* -		 * Check the type, etc. -		 */ -		if (dlp->dl_primitive == DL_ERROR_ACK) { -			report(LOG_ERR, "getether: attach: dlpi_errno=%d, unix_errno=%d", -				   dlp->error_ack.dl_errno, -				   dlp->error_ack.dl_unix_errno); -			goto out; -		} -		if (dlp->dl_primitive != DL_OK_ACK) { -			report(LOG_ERR, "getether: attach: not OK or ERROR"); -			goto out; -		} -	} /* unit >= 0 */ -#endif	/* DL_ATTACH_REQ */ - -	/* -	 * Get the Ethernet address the same way the ARP module -	 * does when it is pushed onto a new stream (bind). -	 * One should instead be able just do an dl_info_req -	 * but many drivers do not supply the hardware address -	 * in the response to dl_info_req (they MUST supply it -	 * for dl_bind_ack because the ARP module requires it). -	 */ -	memset(tmpbuf, 0, sizeof(tmpbuf)); -	dlp = (union DL_primitives *) tmpbuf; -	dlp->dl_primitive = DL_BIND_REQ; -	dlp->bind_req.dl_sap = 0x8FF;	/* XXX - Unused SAP */ -	cbuf.buf = tmpbuf; -	cbuf.len = DL_BIND_REQ_SIZE; -	if (putmsg(fd, &cbuf, NULL, 0) < 0) { -		report(LOG_ERR, "getether: bind: putmsg: %s", get_errmsg()); -		goto out; -	} -	/* Recv the ack. */ -	cbuf.buf = tmpbuf; -	cbuf.maxlen = sizeof(tmpbuf); -	flags = 0; -	if (getmsg(fd, &cbuf, NULL, &flags) < 0) { -		report(LOG_ERR, "getether: bind: getmsg: %s", get_errmsg()); -		goto out; -	} -	/* -	 * Check the type, etc. -	 */ -	if (dlp->dl_primitive == DL_ERROR_ACK) { -		report(LOG_ERR, "getether: bind: dlpi_errno=%d, unix_errno=%d", -			   dlp->error_ack.dl_errno, -			   dlp->error_ack.dl_unix_errno); -		goto out; -	} -	if (dlp->dl_primitive != DL_BIND_ACK) { -		report(LOG_ERR, "getether: bind: not OK or ERROR"); -		goto out; -	} -	if (dlp->bind_ack.dl_addr_offset == 0) { -		report(LOG_ERR, "getether: bind: ack has no address"); -		goto out; -	} -	if (dlp->bind_ack.dl_addr_length < EALEN) { -		report(LOG_ERR, "getether: bind: ack address truncated"); -		goto out; -	} -	/* -	 * Copy the Ethernet address out of the message. -	 */ -	enaddr = tmpbuf + dlp->bind_ack.dl_addr_offset; -	memcpy(eap, enaddr, EALEN); -	rc = 0; - -  out: -	close(fd); -	return rc; -} - -#define	GETETHER -#endif /* SVR4 */ - - -#ifdef	linux -/* - * This is really easy on Linux!  This version (for linux) - * written by Nigel Metheringham <nigelm@ohm.york.ac.uk> - * - * The code is almost identical to the Ultrix code - however - * the names are different to confuse the innocent :-) - * Most of this code was stolen from the Ultrix bit above. - */ - -#include <sys/ioctl.h> -#include <net/if.h>	       	/* struct ifreq */ - -/* In a properly configured system this should be either sys/socketio.h -   or sys/sockios.h, but on my distribution these don't line up correctly */ -#include <linux/sockios.h>	/* Needed for IOCTL defs */ - -getether(ifname, eap) -	char *ifname, *eap; -{ -	int rc = -1; -	int fd; -	struct ifreq phys; -	bzero(&phys, sizeof(phys)); -	strcpy(phys.ifr_name, ifname); -	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { -		report(LOG_ERR, "getether: socket(INET,DGRAM) failed"); -		return -1; -	} -	if (ioctl(fd, SIOCGIFHWADDR, &phys) < 0) { -		report(LOG_ERR, "getether: ioctl SIOCGIFHWADDR failed"); -	} else { -		bcopy(phys.ifr_hwaddr, eap, EALEN); -		rc = 0; -	} -	close(fd); -	return rc; -} - -#define	GETETHER -#endif	/* linux */ - - -/* If we don't know how on this system, just return an error. */ -#ifndef	GETETHER -getether(ifname, eap) -	char *ifname, *eap; -{ -	return -1; -} - -#endif /* !GETETHER */ - -/* - * Local Variables: - * tab-width: 4 - * c-indent-level: 4 - * c-argdecl-indent: 4 - * c-continued-statement-offset: 4 - * c-continued-brace-offset: -4 - * c-label-offset: -4 - * c-brace-offset: 0 - * End: - */ | 
