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utils: Rename hostapd_parse_bin to wpabuf_parse_bin and move it

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Make the function available as part of the wpabuf API.
Use this renamed function where possible.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
This commit is contained in:
David Spinadel 2016-04-06 19:42:02 +03:00 committed by Jouni Malinen
parent 74e982d8d7
commit 9d955f751e
4 changed files with 38 additions and 40 deletions
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33
hostapd/config_file.c
View File

@ -1920,29 +1920,6 @@ static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
#endif /* CONFIG_HS20 */
static struct wpabuf * hostapd_parse_bin(const char *buf)
{
size_t len;
struct wpabuf *ret;
len = os_strlen(buf);
if (len & 0x01)
return NULL;
len /= 2;
ret = wpabuf_alloc(len);
if (ret == NULL)
return NULL;
if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
wpabuf_free(ret);
return NULL;
}
return ret;
}
#ifdef CONFIG_ACS
static int hostapd_config_parse_acs_chan_bias(struct hostapd_config *conf,
char *pos)
@ -3029,15 +3006,15 @@ static int hostapd_config_fill(struct hostapd_config *conf,
bss->wps_nfc_pw_from_config = 1;
} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
wpabuf_free(bss->wps_nfc_dh_pubkey);
bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
bss->wps_nfc_dh_pubkey = wpabuf_parse_bin(pos);
bss->wps_nfc_pw_from_config = 1;
} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
wpabuf_free(bss->wps_nfc_dh_privkey);
bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
bss->wps_nfc_dh_privkey = wpabuf_parse_bin(pos);
bss->wps_nfc_pw_from_config = 1;
} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
wpabuf_free(bss->wps_nfc_dev_pw);
bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
bss->wps_nfc_dev_pw = wpabuf_parse_bin(pos);
bss->wps_nfc_pw_from_config = 1;
#endif /* CONFIG_WPS_NFC */
#endif /* CONFIG_WPS */
@ -3487,10 +3464,10 @@ static int hostapd_config_fill(struct hostapd_config *conf,
bss->no_auth_if_seen_on = os_strdup(pos);
} else if (os_strcmp(buf, "lci") == 0) {
wpabuf_free(conf->lci);
conf->lci = hostapd_parse_bin(pos);
conf->lci = wpabuf_parse_bin(pos);
} else if (os_strcmp(buf, "civic") == 0) {
wpabuf_free(conf->civic);
conf->civic = hostapd_parse_bin(pos);
conf->civic = wpabuf_parse_bin(pos);
} else {
wpa_printf(MSG_ERROR,
"Line %d: unknown configuration item '%s'",

30
src/utils/wpabuf.c
View File

@ -310,3 +310,33 @@ void wpabuf_printf(struct wpabuf *buf, char *fmt, ...)
wpabuf_overflow(buf, res);
buf->used += res;
}
/**
* wpabuf_parse_bin - Parse a null terminated string of binary data to a wpabuf
* @buf: Buffer with null terminated string (hexdump) of binary data
* Returns: wpabuf or %NULL on failure
*
* The string len must be a multiple of two and contain only hexadecimal digits.
*/
struct wpabuf * wpabuf_parse_bin(const char *buf)
{
size_t len;
struct wpabuf *ret;
len = os_strlen(buf);
if (len & 0x01)
return NULL;
len /= 2;
ret = wpabuf_alloc(len);
if (ret == NULL)
return NULL;
if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
wpabuf_free(ret);
return NULL;
}
return ret;
}

1
src/utils/wpabuf.h
View File

@ -37,6 +37,7 @@ void * wpabuf_put(struct wpabuf *buf, size_t len);
struct wpabuf * wpabuf_concat(struct wpabuf *a, struct wpabuf *b);
struct wpabuf * wpabuf_zeropad(struct wpabuf *buf, size_t len);
void wpabuf_printf(struct wpabuf *buf, char *fmt, ...) PRINTF_FORMAT(2, 3);
struct wpabuf * wpabuf_parse_bin(const char *buf);
/**

14
wpa_supplicant/config.c
View File

@ -3778,22 +3778,12 @@ static int wpa_global_config_parse_bin(const struct global_parse_data *data,
struct wpa_config *config, int line,
const char *pos)
{
size_t len;
struct wpabuf **dst, *tmp;
len = os_strlen(pos);
if (len & 0x01)
tmp = wpabuf_parse_bin(pos);
if (!tmp)
return -1;
tmp = wpabuf_alloc(len / 2);
if (tmp == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
wpabuf_free(tmp);
return -1;
}
dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
wpabuf_free(*dst);
*dst = tmp;