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Ensure the channel is a number and not a range, the 'channel' command can be

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easily mixed up with 'chanlist' and would give unexpected results by fixing the
channel on the first number in the range.
This commit is contained in:
Andrew Thompson 2008-06-23 16:08:40 +00:00
parent 6845408d73
commit cd610d1cb9
1 changed files with 4 additions and 1 deletions
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5
sbin/ifconfig/ifieee80211.c
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@ -666,9 +666,12 @@ set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
memset(&chan, 0, sizeof(chan));
if (!isanyarg(val)) {
int v, flags;
char *ep;
getchaninfo(s);
v = atoi(val);
v = strtol(val, &ep, 10);
if (val[0] == '\0' || ep[0] != '\0' || errno == ERANGE)
errx(1, "invalid channel number");
flags = getchannelflags(val, v);
if (v > 255) { /* treat as frequency */
mapfreq(&chan, v, flags);