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SAE passwords from a separate file

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Add a new hostapd configuration parameter sae_password_file to read SAE
passwords (i.e., the entries that use the previously added sae_password
parameter) from a separate file.

sae_password_file uses the following format for storing passphrases:

<password/credential>[|mac=<peer mac>][|vlanid=<VLAN ID>]
[|pk=<m:ECPrivateKey-base64>][|id=<identifier>]

Examples:

<password>
<password>|id=<pw identifier>
<password>|mac=02:03:04:05:06:01|vlanid=1
<password>|vlanid=3|id=<pw identifier>

Signed-off-by: Shiva Sankar Gajula <quic_sgajula@quicinc.com>
This commit is contained in:
Shiva Sankar Gajula 2023-11-29 14:56:27 +05:30 committed by Jouni Malinen
parent 40b2558828
commit e748e50c62
2 changed files with 44 additions and 0 deletions
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40
hostapd/config_file.c
View file

@ -2159,6 +2159,7 @@ static int add_airtime_weight(struct hostapd_bss_config *bss, char *value)
#ifdef CONFIG_SAE
static int parse_sae_password(struct hostapd_bss_config *bss, const char *val)
{
struct sae_password_entry *pw;
@ -2262,6 +2263,38 @@ fail:
os_free(pw);
return -1;
}
static int parse_sae_password_file(struct hostapd_bss_config *bss,
const char *fname)
{
FILE *f;
char buf[500], *pos;
unsigned int line = 0;
f = fopen(fname, "r");
if (!f) {
wpa_printf(MSG_ERROR, "sae_password_file '%s' not found.",
fname);
return -1;
}
while (fgets(buf, sizeof(buf), f)) {
pos = os_strchr(buf, '\n');
if (pos)
*pos = '\0';
line++;
if (parse_sae_password(bss, buf)) {
wpa_printf(MSG_ERROR,
"Invalid SAE password at line %d in '%s'",
line, fname);
return -1;
}
}
return 0;
}
#endif /* CONFIG_SAE */
@ -4300,6 +4333,13 @@ static int hostapd_config_fill(struct hostapd_config *conf,
line);
return 1;
}
} else if (os_strcmp(buf, "sae_password_file") == 0) {
if (parse_sae_password_file(bss, pos) < 0) {
wpa_printf(MSG_ERROR,
"Line %d: Invalid sae_password in file",
line);
return 1;
}
#endif /* CONFIG_SAE */
} else if (os_strcmp(buf, "vendor_elements") == 0) {
if (parse_wpabuf_hex(line, buf, &bss->vendor_elements, pos))

4
hostapd/hostapd.conf
View file

@ -2041,6 +2041,10 @@ own_ip_addr=127.0.0.1
#sae_password=really secret|mac=ff:ff:ff:ff:ff:ff
#sae_password=example secret|mac=02:03:04:05:06:07|id=pw identifier
#sae_password=example secret|vlanid=3|id=pw identifier
#
# SAE passwords can also be read from a separate file in which each line
# contains and entry in the same format as sae_password uses.
#sae_password_file=/tc/hostapd.sae_passwords
# SAE threshold for anti-clogging mechanism (dot11RSNASAEAntiCloggingThreshold)
# This parameter defines how many open SAE instances can be in progress at the