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

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 {

18
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)) {
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
/* This is fine, since symlinks never get here */
chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
chmod(destName, srcStatBuf.st_mode);
times.actime = srcStatBuf.st_atime;
times.modtime = srcStatBuf.st_mtime;
utime(destName, &times);