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sync with udhcp bug fixes

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This commit is contained in:
Russ Dill 2003-02-12 22:20:19 +00:00
parent 496411b489
commit 858fad722f
3 changed files with 9 additions and 6 deletions
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2
networking/udhcp/ChangeLog
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@ -1,4 +1,6 @@
0.9.9 (pending) 0.9.9 (pending)
+ Fixed a little endian problem in mton (Bastian Blank <waldi@debian.org>)
+ Fixed a arpping alignment problem (Rui He <rhe@3eti.com>)
+ Added sanity check for max_leases (udhcp bug #1285) (me) + Added sanity check for max_leases (udhcp bug #1285) (me)
+ Finally got rid of the trailing space in enviromental vars (me) + Finally got rid of the trailing space in enviromental vars (me)
+ added an new enviromental variable: $mask. It contains the number + added an new enviromental variable: $mask. It contains the number

4
networking/udhcp/arpping.c
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@ -67,9 +67,9 @@ int arpping(u_int32_t yiaddr, u_int32_t ip, unsigned char *mac, char *interface)
arp.hlen = 6; /* hardware address length */ arp.hlen = 6; /* hardware address length */
arp.plen = 4; /* protocol address length */ arp.plen = 4; /* protocol address length */
arp.operation = htons(ARPOP_REQUEST); /* ARP op code */ arp.operation = htons(ARPOP_REQUEST); /* ARP op code */
*((u_int *) arp.sInaddr) = ip; /* source IP address */ memcpy(arp.sInaddr, &ip, sizeof(ip)); /* source IP address */
memcpy(arp.sHaddr, mac, 6); /* source hardware address */ memcpy(arp.sHaddr, mac, 6); /* source hardware address */
*((u_int *) arp.tInaddr) = yiaddr; /* target IP address */ memcpy(arp.tInaddr, &yiaddr, sizeof(yiaddr)); /* target IP address */
memset(&addr, 0, sizeof(addr)); memset(&addr, 0, sizeof(addr));
strcpy(addr.sa_data, interface); strcpy(addr.sa_data, interface);

9
networking/udhcp/script.c
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@ -68,10 +68,11 @@ static int sprintip(char *dest, char *pre, unsigned char *ip)
static int mton(struct in_addr *mask) static int mton(struct in_addr *mask)
{ {
int i; int i;
/* note: mask will always be in network byte order, so unsigned long bits = ntohl(mask->s_addr);
* there are no endian issues */ /* too bad one can't check the carry bit, etc in c bit
for (i = 31; i >= 0 && !((mask->s_addr >> i) & 1); i--); * shifting */
return i + 1; for (i = 0; i < 32 && !((bits >> i) & 1); i++);
return 32 - i;
} }