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2005-02-13 Dan Williams <dcbw@redhat.com>

Browse source 
* dhcpcd/client.c
		- Debug output cleanups of DHCP option printing and parsing.


git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@446 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
This commit is contained in:
Dan Williams 2005-02-13 22:37:46 +00:00
parent 53fe31372f
commit 37f97df007
2 changed files with 42 additions and 33 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2005-02-13 Dan Williams <dcbw@redhat.com>
* dhcpcd/client.c
- Debug output cleanups of DHCP option printing and parsing.
2005-02-13 Dan Williams <dcbw@redhat.com>
Patch from Dan Reed: DHCP options D-BUS API

70
dhcpcd/client.c
View file

@ -72,9 +72,9 @@ int parse_dhcp_reply (struct iphdr *iphdr, struct sockaddr_ll *saddr, dhcpMessag
/* Force T1 and T2 to 0: either new values will be in message, or they
will need to be recalculated from lease time */
if ( options->val[dhcpT1value] && options->len[dhcpT1value] > 0 )
if (options->val[dhcpT1value] && options->len[dhcpT1value] > 0)
memset (options->val[dhcpT1value], 0, options->len[dhcpT1value]);
if ( options->val[dhcpT2value] && options->len[dhcpT2value] > 0 )
if (options->val[dhcpT2value] && options->len[dhcpT2value] > 0)
memset (options->val[dhcpT2value], 0, options->len[dhcpT2value]);
while ( p < end )
@ -87,14 +87,14 @@ int parse_dhcp_reply (struct iphdr *iphdr, struct sockaddr_ll *saddr, dhcpMessag
p++;
break;
default:
if ( p[1] )
if (p[1])
{
if ( options->len[*p] == p[1] )
if (options->len[*p] == p[1])
memcpy (options->val[*p], p+2, p[1]);
else
{
options->len[*p] = p[1];
if ( options->val[*p] )
if (options->val[*p])
free (options->val[*p]);
else
options->num++;
@ -125,7 +125,7 @@ swend:
options->len[dhcpServerIdentifier] = 4;
options->num++;
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpServerIdentifier option is missing in DHCP server response. Assuming %u.%u.%u.%u\n",
syslog (LOG_DEBUG, "Server ID option is missing in DHCP server response. Assuming %u.%u.%u.%u.\n",
((unsigned char *)options->val[dhcpServerIdentifier])[0],
((unsigned char *)options->val[dhcpServerIdentifier])[1],
((unsigned char *)options->val[dhcpServerIdentifier])[2],
@ -139,7 +139,7 @@ swend:
options->len[dns] = 4;
options->num++;
if ( DebugFlag )
syslog (LOG_DEBUG, "dns option is missing in DHCP server response. Assuming %u.%u.%u.%u\n",
syslog (LOG_DEBUG, "DNS Server option is missing in DHCP server response. Assuming %u.%u.%u.%u.\n",
((unsigned char *)options->val[dns])[0], ((unsigned char *)options->val[dns])[1],
((unsigned char *)options->val[dns])[2], ((unsigned char *)options->val[dns])[3]);
}
@ -173,7 +173,7 @@ swend:
options->len[subnetMask] = 4;
options->num++;
if (DebugFlag)
syslog (LOG_DEBUG, "subnetMask option is missing in DHCP server response. Assuming %u.%u.%u.%u\n",
syslog (LOG_DEBUG, "Subnet Mask option is missing in DHCP server response. Assuming %u.%u.%u.%u.\n",
((unsigned char *)options->val[subnetMask])[0], ((unsigned char *)options->val[subnetMask])[1],
((unsigned char *)options->val[subnetMask])[2], ((unsigned char *)options->val[subnetMask])[3]);
}
@ -185,7 +185,7 @@ swend:
options->len[broadcastAddr] = 4;
options->num++;
if (DebugFlag)
syslog(LOG_DEBUG, "broadcastAddr option is missing in DHCP server response. Assuming %u.%u.%u.%u\n",
syslog(LOG_DEBUG, "Broadcast Address option is missing in DHCP server response. Assuming %u.%u.%u.%u.\n",
((unsigned char *)options->val[broadcastAddr])[0], ((unsigned char *)options->val[broadcastAddr])[1],
((unsigned char *)options->val[broadcastAddr])[2], ((unsigned char *)options->val[broadcastAddr])[3]);
}
@ -199,10 +199,11 @@ swend:
options->len[routersOnSubnet] = 4;
options->num++;
if (DebugFlag)
syslog (LOG_DEBUG, "routersOnSubnet option is missing in DHCP server response. Assuming %u.%u.%u.%u (DHCP server)\n",
syslog (LOG_DEBUG, "Routers option is missing in DHCP server response. Assuming %u.%u.%u.%u (DHCP server).\n",
((unsigned char *)options->val[routersOnSubnet])[0], ((unsigned char *)options->val[routersOnSubnet])[1],
((unsigned char *)options->val[routersOnSubnet])[2], ((unsigned char *)options->val[routersOnSubnet])[3]);
}
if (options->val[dhcpIPaddrLeaseTime] && options->len[dhcpIPaddrLeaseTime] == 4)
{
if ( *(unsigned int *)options->val[dhcpIPaddrLeaseTime] == 0 )
@ -210,12 +211,12 @@ swend:
unsigned int lease_time = htonl (DHCP_DEFAULT_LEASETIME);
memcpy (options->val[dhcpIPaddrLeaseTime], &lease_time, 4);
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpIPaddrLeaseTime=0 in DHCP server response. Assuming %u sec\n", lease_time);
syslog (LOG_DEBUG, "Lease Time = 0 in DHCP server response. Assuming %us.\n", lease_time);
}
else
{
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpIPaddrLeaseTime = %u in DHCP server response.\n",
syslog (LOG_DEBUG, "Lease Time = %u in DHCP server response.\n",
ntohl (*(unsigned int *)options->val[dhcpIPaddrLeaseTime]));
}
}
@ -227,8 +228,9 @@ swend:
options->len[dhcpIPaddrLeaseTime] = 4;
options->num++;
if ( DebugFlag )
syslog (LOG_DEBUG, "dhcpIPaddrLeaseTime option is missing in DHCP server response. Assuming %u sec\n", lease_time);
syslog (LOG_DEBUG, "Lease Time option is missing in DHCP server response. Assuming %us.\n", lease_time);
}
if (options->val[dhcpT1value] && options->len[dhcpT1value] == 4)
{
if (*(unsigned int *)options->val[dhcpT1value] == 0)
@ -238,7 +240,7 @@ swend:
memcpy (options->val[dhcpT1value],&t1,4);
options->len[dhcpT1value] = 4;
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpT1value is missing in DHCP server response. Assuming %u sec\n", t2);
syslog (LOG_DEBUG, "Renewal Time (T1) is missing in DHCP server response. Assuming %us.\n", t2);
}
}
else /* did not get T1 */
@ -250,8 +252,9 @@ swend:
options->len[dhcpT1value] = 4;
options->num++;
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpT1value is missing in DHCP server response. Assuming %u sec\n", t2);
syslog (LOG_DEBUG, "Renewal Time (T1) is missing in DHCP server response. Assuming %us.\n", t2);
}
if (options->val[dhcpT2value] && options->len[dhcpT2value] == 4)
{
if (*(unsigned int *)options->val[dhcpT2value] == 0)
@ -261,7 +264,7 @@ swend:
memcpy (options->val[dhcpT2value],&t1,4);
options->len[dhcpT2value] = 4;
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpT2value is missing in DHCP server response. Assuming %u sec\n", t2);
syslog (LOG_DEBUG, "Rebind Time (T2) is missing in DHCP server response. Assuming %us.\n", t2);
}
}
else /* did not get T2 */
@ -273,7 +276,7 @@ swend:
options->len[dhcpT2value] = 4;
options->num++;
if (DebugFlag)
syslog (LOG_DEBUG, "dhcpT2value is missing in DHCP server response. Assuming %u sec\n", t2);
syslog (LOG_DEBUG, "Rebind Time (T2) is missing in DHCP server response. Assuming %us.\n", t2);
}
if (options->val[dhcpMessageType])
return *(unsigned char *)options->val[dhcpMessageType];
@ -1049,8 +1052,8 @@ void debug_dump_dhcp_options (struct sockaddr_ll *saddr, dhcpMessage *dhcp_msg,
for (j = 0; j < options->len[i]; j += 4)
{
char *opt_name = get_dhcp_option_name (i);
syslog (LOG_INFO, "\ti=%-2d (%s) len=%-2d option = %u.%u.%u.%u\n",
i, opt_name, options->len[i],
syslog (LOG_INFO, "\t%s (%d):\t%u.%u.%u.%u\n",
opt_name, i,
((unsigned char *)options->val[i])[0+j],
((unsigned char *)options->val[i])[1+j],
((unsigned char *)options->val[i])[2+j],
@ -1065,8 +1068,8 @@ void debug_dump_dhcp_options (struct sockaddr_ll *saddr, dhcpMessage *dhcp_msg,
case 59:/* dhcpT2value */
{
char *opt_name = get_dhcp_option_name (i);
syslog (LOG_INFO, "\ti=%-2d (%s) len=%-2d option = %d\n", i, opt_name,
options->len[i], ntohl(*(int *)options->val[i]));
syslog (LOG_INFO, "\t%s (%d):\t%d\n", opt_name, i,
ntohl(*(int *)options->val[i]));
free (opt_name);
}
break;
@ -1076,16 +1079,16 @@ void debug_dump_dhcp_options (struct sockaddr_ll *saddr, dhcpMessage *dhcp_msg,
case 53:/* dhcpMessageType */
{
char *opt_name = get_dhcp_option_name (i);
syslog (LOG_INFO, "\ti=%-2d (%s) len=%-2d option = %u\n", i, opt_name,
options->len[i],*(unsigned char *)options->val[i]);
syslog (LOG_INFO, "\t%s (%d):\t%u\n", opt_name, i,
*(unsigned char *)options->val[i]);
free (opt_name);
}
break;
default:
{
char *opt_name = get_dhcp_option_name (i);
syslog (LOG_INFO, "\ti=%-2d (%s) len=%-2d option = \"%s\"\n",
i, opt_name, options->len[i], (char *)options->val[i]);
syslog (LOG_INFO, "\t%s (%d):\t\"%s\"\n",
opt_name, i, (char *)options->val[i]);
free (opt_name);
}
break;
@ -1093,19 +1096,20 @@ void debug_dump_dhcp_options (struct sockaddr_ll *saddr, dhcpMessage *dhcp_msg,
}
}
syslog (LOG_INFO, "\tdhcp_msg->yiaddr = %u.%u.%u.%u",
syslog (LOG_INFO, "\tYour IP Address:\t%u.%u.%u.%u",
((unsigned char *)&dhcp_msg->yiaddr)[0], ((unsigned char *)&dhcp_msg->yiaddr)[1],
((unsigned char *)&dhcp_msg->yiaddr)[2], ((unsigned char *)&dhcp_msg->yiaddr)[3]);
syslog (LOG_INFO, "\tdhcp_msg->siaddr = %u.%u.%u.%u",
syslog (LOG_INFO, "\tDHCP Server Address:\t%u.%u.%u.%u (HW=%02X:%02X:%02X:%02X:%02X:%02X)",
((unsigned char *)&dhcp_msg->siaddr)[0], ((unsigned char *)&dhcp_msg->siaddr)[1],
((unsigned char *)&dhcp_msg->siaddr)[2], ((unsigned char *)&dhcp_msg->siaddr)[3]);
syslog (LOG_INFO, "\tdhcp_msg->giaddr = %u.%u.%u.%u",
((unsigned char *)&dhcp_msg->giaddr)[0], ((unsigned char *)&dhcp_msg->giaddr)[1],
((unsigned char *)&dhcp_msg->giaddr)[2], ((unsigned char *)&dhcp_msg->giaddr)[3]);
syslog (LOG_INFO, "\tdhcp_msg->sname = \"%s\"", dhcp_msg->sname);
syslog (LOG_INFO, "\tServer Hardware Address = %02X.%02X.%02X.%02X.%02X.%02X\n",
((unsigned char *)&dhcp_msg->siaddr)[2], ((unsigned char *)&dhcp_msg->siaddr)[3],
saddr->sll_addr[0], saddr->sll_addr[1], saddr->sll_addr[2], saddr->sll_addr[3],
saddr->sll_addr[4], saddr->sll_addr[5]);
if (((unsigned char *)&dhcp_msg->giaddr)[0] != 0)
syslog (LOG_INFO, "\tGateway Address:\t%u.%u.%u.%u",
((unsigned char *)&dhcp_msg->giaddr)[0], ((unsigned char *)&dhcp_msg->giaddr)[1],
((unsigned char *)&dhcp_msg->giaddr)[2], ((unsigned char *)&dhcp_msg->giaddr)[3]);
if (dhcp_msg->sname && strlen (dhcp_msg->sname))
syslog (LOG_INFO, "\tServer Name:\t\"%s\"", dhcp_msg->sname);
}
#endif