Improve tcp connexion logging - geomyidae - A small C-based gopherd.
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---
(DIR) commit 42ed4146e6040a362e67369d862daabff0a01f4b
(DIR) parent eaa890e1ff66d546a86e66dda6ea5c71a239a2df
(HTM) Author: Quentin Rameau <quinq@fifth.space>
Date: Fri, 16 Jun 2017 18:07:23 +0200
Improve tcp connexion logging
Log events when bound to an ip or when it fails, and when a client
disconnects.
Signed-off-by: Christoph Lohmann <20h@r-36.net>
Diffstat:
main.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
---
(DIR) diff --git a/main.c b/main.c
@@ -22,6 +22,7 @@
#include <pwd.h>
#include <grp.h>
#include <errno.h>
+#include <arpa/inet.h>
#include "ind.h"
#include "handlr.h"
@@ -266,7 +267,9 @@ initsignals(void)
int
getlistenfd(struct addrinfo *hints, char *bindip, char *port)
{
+ char addstr[INET6_ADDRSTRLEN];
struct addrinfo *ai, *rp;
+ void *sinaddr;
int on, listfd;
listfd = -1;
@@ -286,9 +289,21 @@ getlistenfd(struct addrinfo *hints, char *bindip, char *port)
sizeof(on)) < 0) {
break;
}
- if(bind(listfd, rp->ai_addr, rp->ai_addrlen) == 0)
+
+ sinaddr = (rp->ai_family == AF_INET) ?
+ (void *)&((struct sockaddr_in *)rp->ai_addr)->sin_addr :
+ (void *)&((struct sockaddr_in6 *)rp->ai_addr)->sin6_addr;
+
+ if(bind(listfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+ if(loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
+ addstr, sizeof(addstr)))
+ logentry(addstr, port, "-", "listening");
break;
+ }
close(listfd);
+ if(loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
+ addstr, sizeof(addstr)))
+ logentry(addstr, port, "-", "could not bind");
}
if(rp == nil)
return -1;
@@ -477,7 +492,7 @@ main(int argc, char *argv[])
sizeof(clienth), clientp, sizeof(clientp),
NI_NUMERICHOST|NI_NUMERICSERV);
- if (loglvl & CONN)
+ if(loglvl & CONN)
logentry(clienth, clientp, "-", "connected");
switch(fork()) {
@@ -501,6 +516,8 @@ main(int argc, char *argv[])
break;
}
close(sock);
+ if(loglvl & CONN)
+ logentry(clienth, clientp, "-", "disconnected");
}
shutdown(listfd, SHUT_RDWR);