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make wall(1) work with pts.

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This commit is contained in:
Hajimu UMEMOTO 2006-01-27 08:52:14 +00:00
parent bb80263411
commit d042befb98
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154898
1 changed files with 6 additions and 2 deletions
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8
usr.bin/wall/ttymsg.c
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@ -68,14 +68,18 @@ ttymsg(struct iovec *iov, int iovcnt, const char *line, int tmout)
int cnt, fd;
static char device[MAXNAMLEN] = _PATH_DEV;
static char errbuf[1024];
char *p;
int forked;
forked = 0;
if (iovcnt > (int)(sizeof(localiov) / sizeof(localiov[0])))
return ("too many iov's (change code in wall/ttymsg.c)");
strlcpy(device + sizeof(_PATH_DEV) - 1, line, sizeof(device));
if (strchr(device + sizeof(_PATH_DEV) - 1, '/')) {
p = device + sizeof(_PATH_DEV) - 1;
strlcpy(p, line, sizeof(device));
if (strncmp(p, "pts/", 4) == 0)
p += 4;
if (strchr(p, '/') != NULL) {
/* A slash is an attempt to break security... */
(void) snprintf(errbuf, sizeof(errbuf),
"Too many '/' in \"%s\"", device);