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The IP, TCP, and UDP provider report IP addresses as strings.

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In some cases, the required information is not available and the
UDP provider reported an empty string in this case and the IP
and TCP provider reported a NULL pointer.

This patch changes the value provided in this case to the string
"<unknown>". This make the behaviour consistent and in-line with
the behaviour of Solaris.

Reviewed by:		markj@, dteske@, gnn@
Differential Revision:	https://reviews.freebsd.org/D15855
This commit is contained in:
Michael Tuexen 2018-06-18 18:35:29 +00:00
parent c4db0baa34
commit 7575d3df5b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=335325
3 changed files with 8 additions and 8 deletions
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8
cddl/lib/libdtrace/ip.d
View File

@ -228,11 +228,11 @@ translator ipinfo_t < uint8_t *p > {
((struct ip *)p)->ip_v == 4 ?
ntohs(((struct ip *)p)->ip_len) - (((struct ip *)p)->ip_hl << 2):
ntohs(((struct ip6_hdr *)p)->ip6_ctlun.ip6_un1.ip6_un1_plen);
ip_saddr = p == NULL ? 0 :
ip_saddr = p == NULL ? "<unknown>" :
((struct ip *)p)->ip_v == 4 ?
inet_ntoa(&((struct ip *)p)->ip_src.s_addr) :
inet_ntoa6(&((struct ip6_hdr *)p)->ip6_src);
ip_daddr = p == NULL ? 0 :
ip_daddr = p == NULL ? "<unknown>" :
((struct ip *)p)->ip_v == 4 ?
inet_ntoa(&((struct ip *)p)->ip_dst.s_addr) :
inet_ntoa6(&((struct ip6_hdr *)p)->ip6_dst);
@ -246,11 +246,11 @@ translator ipinfo_t < struct mbuf *m > {
ntohs(((struct ip *)m->m_data)->ip_len) -
(((struct ip *)m->m_data)->ip_hl << 2):
ntohs(((struct ip6_hdr *)m->m_data)->ip6_ctlun.ip6_un1.ip6_un1_plen);
ip_saddr = m == NULL ? 0 :
ip_saddr = m == NULL ? "<unknown>" :
((struct ip *)m->m_data)->ip_v == 4 ?
inet_ntoa(&((struct ip *)m->m_data)->ip_src.s_addr) :
inet_ntoa6(&((struct ip6_hdr *)m->m_data)->ip6_src);
ip_daddr = m == NULL ? 0 :
ip_daddr = m == NULL ? "<unknown>" :
((struct ip *)m->m_data)->ip_v == 4 ?
inet_ntoa(&((struct ip *)m->m_data)->ip_dst.s_addr) :
inet_ntoa6(&((struct ip6_hdr *)m->m_data)->ip6_dst);

4
cddl/lib/libdtrace/tcp.d
View File

@ -190,11 +190,11 @@ translator tcpsinfo_t < struct tcpcb *p > {
tcps_active = -1; /* XXX */
tcps_lport = p == NULL ? 0 : ntohs(p->t_inpcb->inp_inc.inc_ie.ie_lport);
tcps_rport = p == NULL ? 0 : ntohs(p->t_inpcb->inp_inc.inc_ie.ie_fport);
tcps_laddr = p == NULL ? 0 :
tcps_laddr = p == NULL ? "<unknown>" :
p->t_inpcb->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->t_inpcb->inp_inc.inc_ie.ie_dependladdr.id46_addr.ia46_addr4.s_addr) :
inet_ntoa6(&p->t_inpcb->inp_inc.inc_ie.ie_dependladdr.id6_addr);
tcps_raddr = p == NULL ? 0 :
tcps_raddr = p == NULL ? "<unknown>" :
p->t_inpcb->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->t_inpcb->inp_inc.inc_ie.ie_dependfaddr.id46_addr.ia46_addr4.s_addr) :
inet_ntoa6(&p->t_inpcb->inp_inc.inc_ie.ie_dependfaddr.id6_addr);

4
cddl/lib/libdtrace/udp.d
View File

@ -56,11 +56,11 @@ translator udpsinfo_t < struct inpcb *p > {
udps_addr = (uintptr_t)p;
udps_lport = p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_lport);
udps_rport = p == NULL ? 0 : ntohs(p->inp_inc.inc_ie.ie_fport);
udps_laddr = p == NULL ? "" :
udps_laddr = p == NULL ? "<unknown>" :
p->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->inp_inc.inc_ie.ie_dependladdr.id46_addr.ia46_addr4.s_addr) :
inet_ntoa6(&p->inp_inc.inc_ie.ie_dependladdr.id6_addr);
udps_raddr = p == NULL ? "" :
udps_raddr = p == NULL ? "<unknown>" :
p->inp_vflag == INP_IPV4 ?
inet_ntoa(&p->inp_inc.inc_ie.ie_dependfaddr.id46_addr.ia46_addr4.s_addr) :
inet_ntoa6(&p->inp_inc.inc_ie.ie_dependfaddr.id6_addr);