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hostapd: Make it possible to remove addresses from maclists

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It is already possible to add MAC addresses at runtime. This patch
allows also to remove some of them by using the prefix "-" in the
address file.

Signed-off-by: Emanuel Taube <emanuel.taube@gmail.com>
This commit is contained in:
Emanuel Taube 2014-02-25 10:59:44 +01:00 committed by Jouni Malinen
parent 064eb057ca
commit 1748f1da3d
1 changed files with 22 additions and 2 deletions
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24
hostapd/config_file.c
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@ -129,6 +129,8 @@ static int hostapd_config_read_maclist(const char *fname,
} }
while (fgets(buf, sizeof(buf), f)) { while (fgets(buf, sizeof(buf), f)) {
int i, rem = 0;
line++; line++;
if (buf[0] == '#') if (buf[0] == '#')
@ -143,14 +145,32 @@ static int hostapd_config_read_maclist(const char *fname,
} }
if (buf[0] == '\0') if (buf[0] == '\0')
continue; continue;
pos = buf;
if (buf[0] == '-') {
rem = 1;
pos++;
}
if (hwaddr_aton(buf, addr)) { if (hwaddr_aton(pos, addr)) {
wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at " wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
"line %d in '%s'", buf, line, fname); "line %d in '%s'", pos, line, fname);
fclose(f); fclose(f);
return -1; return -1;
} }
if (rem) {
i = 0;
while (i < *num) {
if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
0) {
os_remove_in_array(*acl, *num,
sizeof(**acl), i);
(*num)--;
} else
i++;
}
continue;
}
vlan_id = 0; vlan_id = 0;
pos = buf; pos = buf;
while (*pos != '\0' && *pos != ' ' && *pos != '\t') while (*pos != '\0' && *pos != ' ' && *pos != '\t')