emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use busybox error handling functions wherever possible.

Browse Source
This commit is contained in:
Matt Kraai
2000-12-22 01:48:07 +00:00
parent e9f07fb6e8
commit a9819b2908
50 changed files with 244 additions and 425 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
networking/ping.c
View File

@@ -1,6 +1,6 @@
/* vi: set sw=4 ts=4: */
/*
* $Id: ping.c,v 1.29 2000/12/18 03:57:16 kraai Exp $
* $Id: ping.c,v 1.30 2000/12/22 01:48:07 kraai Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -190,10 +190,8 @@ static void ping(const char *host)
int pingsock, c;
char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
if ((pingsock = socket(AF_INET, SOCK_RAW, 1)) < 0) { /* 1 == ICMP */
perror("ping: creating a raw socket");
exit(1);
}
if ((pingsock = socket(AF_INET, SOCK_RAW, 1)) < 0) /* 1 == ICMP */
perror_msg_and_die("creating a raw socket");
/* drop root privs if running setuid */
setuid(getuid());
@@ -216,12 +214,8 @@ static void ping(const char *host)
c = sendto(pingsock, packet, sizeof(packet), 0,
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
if (c < 0 || c != sizeof(packet)) {
if (c < 0)
perror("ping: sendto");
error_msg("write incomplete\n");
exit(1);
}
if (c < 0 || c != sizeof(packet))
perror_msg_and_die("sendto");
signal(SIGALRM, noresp);
alarm(5); /* give the host 5000ms to respond */
@@ -234,7 +228,7 @@ static void ping(const char *host)
(struct sockaddr *) &from, &fromlen)) < 0) {
if (errno == EINTR)
continue;
perror("ping: recvfrom");
perror_msg("recvfrom");
continue;
}
if (c >= 76) { /* ip + icmp */
@@ -439,12 +433,10 @@ static void ping(const char *host)
* proto->p_proto to have the correct value for "icmp" */
if ((pingsock = socket(AF_INET, SOCK_RAW,
(proto ? proto->p_proto : 1))) < 0) { /* 1 == ICMP */
if (errno == EPERM) {
error_msg("permission denied. (are you root?)\n");
} else {
perror("ping: creating a raw socket");
}
exit(1);
if (errno == EPERM)
error_msg_and_die("permission denied. (are you root?)\n");
else
perror_msg_and_die("creating a raw socket");
}
/* drop root privs if running setuid */
@@ -498,7 +490,7 @@ static void ping(const char *host)
(struct sockaddr *) &from, &fromlen)) < 0) {
if (errno == EINTR)
continue;
perror("ping: recvfrom");
perror_msg("recvfrom");
continue;
}
unpack(packet, c, &from);