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copy fixes to simplify link copying and always do the right thing.

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ping could segfault because I'm an idiot, and tried to put a value
in where I hadn't allocated storage.  choke.
 -Erik
This commit is contained in:
Erik Andersen 2000-01-29 05:52:40 +00:00
parent d7a44c76fe
commit 8e759aa31f
3 changed files with 16 additions and 26 deletions
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12
networking/ping.c
View File

@ -1,5 +1,5 @@
/*
* $Id: ping.c,v 1.7 2000/01/26 20:06:48 erik Exp $
* $Id: ping.c,v 1.8 2000/01/29 05:52:40 erik Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@ -312,18 +312,14 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
static void ping(char *host)
{
struct protoent *proto;
struct protoent *proto=NULL;
struct hostent *h;
char buf[MAXHOSTNAMELEN];
char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
int sockopt;
if (!(proto = getprotobyname("icmp"))) {
/* getprotobyname failed, so just silently force
* proto->p_proto to have the correct value for "icmp" */
proto->p_proto = 1;
}
if ((pingsock = socket(AF_INET, SOCK_RAW, proto->p_proto)) < 0) { /* 1 == ICMP */
proto = getprotobyname("icmp");
if ((pingsock = socket(AF_INET, SOCK_RAW, (proto)? proto->p_proto : 1 )) < 0) { /* 1 == ICMP */
if (errno == EPERM) {
fprintf(stderr, "ping: permission denied. (are you root?)\n");
} else {

12
ping.c
View File

@ -1,5 +1,5 @@
/*
* $Id: ping.c,v 1.7 2000/01/26 20:06:48 erik Exp $
* $Id: ping.c,v 1.8 2000/01/29 05:52:40 erik Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@ -312,18 +312,14 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
static void ping(char *host)
{
struct protoent *proto;
struct protoent *proto=NULL;
struct hostent *h;
char buf[MAXHOSTNAMELEN];
char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
int sockopt;
if (!(proto = getprotobyname("icmp"))) {
/* getprotobyname failed, so just silently force
* proto->p_proto to have the correct value for "icmp" */
proto->p_proto = 1;
}
if ((pingsock = socket(AF_INET, SOCK_RAW, proto->p_proto)) < 0) { /* 1 == ICMP */
proto = getprotobyname("icmp");
if ((pingsock = socket(AF_INET, SOCK_RAW, (proto)? proto->p_proto : 1 )) < 0) { /* 1 == ICMP */
if (errno == EPERM) {
fprintf(stderr, "ping: permission denied. (are you root?)\n");
} else {

14
utility.c
View File

@ -182,6 +182,11 @@ copyFile( const char *srcName, const char *destName,
perror(destName);
return (FALSE);
}
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
if (setModes == TRUE) {
lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
}
#endif
} else if (S_ISFIFO(srcStatBuf.st_mode)) {
//fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
if (mkfifo(destName, 0644)) {
@ -225,16 +230,9 @@ copyFile( const char *srcName, const char *destName,
}
if (setModes == TRUE) {
if (! S_ISLNK(srcStatBuf.st_mode)) {
/* This is fine, since symlinks never get here */
chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
/* Never chmod a symlink; it follows the link */
chmod(destName, srcStatBuf.st_mode);
}
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
else {
lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
}
#endif
times.actime = srcStatBuf.st_atime;
times.modtime = srcStatBuf.st_mtime;
utime(destName, &times);