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Allow config blobs to be set through ctrl_iface

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"SET blob <name> <hexdump>" can now be used to set a configuration blob
through the wpa_supplicant control interface.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-03-15 23:51:37 +02:00
parent c3722e1241
commit 1120e45232
1 changed files with 43 additions and 0 deletions
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43
wpa_supplicant/ctrl_iface.c
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@ -206,6 +206,45 @@ static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
}
#ifndef CONFIG_NO_CONFIG_BLOBS
static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
{
char *name = pos;
struct wpa_config_blob *blob;
size_t len;
pos = os_strchr(pos, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
len = os_strlen(pos);
if (len & 1)
return -1;
wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
blob = os_zalloc(sizeof(*blob));
if (blob == NULL)
return -1;
blob->name = os_strdup(name);
blob->data = os_malloc(len / 2);
if (blob->name == NULL || blob->data == NULL) {
wpa_config_free_blob(blob);
return -1;
}
if (hexstr2bin(pos, blob->data, len / 2) < 0) {
wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
wpa_config_free_blob(blob);
return -1;
}
blob->len = len / 2;
wpa_config_set_blob(wpa_s->conf, blob);
return 0;
}
#endif /* CONFIG_NO_CONFIG_BLOBS */
static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
char *cmd)
{
@ -355,6 +394,10 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
} else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
wpa_s->ext_mgmt_frame_handling = !!atoi(value);
#endif /* CONFIG_TESTING_OPTIONS */
#ifndef CONFIG_NO_CONFIG_BLOBS
} else if (os_strcmp(cmd, "blob") == 0) {
ret = wpas_ctrl_set_blob(wpa_s, value);
#endif /* CONFIG_NO_CONFIG_BLOBS */
} else {
value[-1] = '=';
ret = wpa_config_process_global(wpa_s->conf, cmd, -1);