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      1 /*
      2  * External password backend
      3  * Copyright (c) 2012, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #include "includes.h"
     10 
     11 #include "common.h"
     12 #include "ext_password_i.h"
     13 
     14 
     15 struct ext_password_test_data {
     16 	char *params;
     17 };
     18 
     19 
     20 static void * ext_password_test_init(const char *params)
     21 {
     22 	struct ext_password_test_data *data;
     23 
     24 	data = os_zalloc(sizeof(*data));
     25 	if (data == NULL)
     26 		return NULL;
     27 
     28 	if (params)
     29 		data->params = os_strdup(params);
     30 
     31 	return data;
     32 }
     33 
     34 
     35 static void ext_password_test_deinit(void *ctx)
     36 {
     37 	struct ext_password_test_data *data = ctx;
     38 
     39 	os_free(data->params);
     40 	os_free(data);
     41 }
     42 
     43 
     44 static struct wpabuf * ext_password_test_get(void *ctx, const char *name)
     45 {
     46 	struct ext_password_test_data *data = ctx;
     47 	char *pos, *pos2;
     48 	size_t nlen;
     49 
     50 	wpa_printf(MSG_DEBUG, "EXT PW TEST: get(%s)", name);
     51 
     52 	pos = data->params;
     53 	if (pos == NULL)
     54 		return NULL;
     55 	nlen = os_strlen(name);
     56 
     57 	while (pos && *pos) {
     58 		if (os_strncmp(pos, name, nlen) == 0 && pos[nlen] == '=') {
     59 			struct wpabuf *buf;
     60 			pos += nlen + 1;
     61 			pos2 = pos;
     62 			while (*pos2 != '|' && *pos2 != '\0')
     63 				pos2++;
     64 			buf = ext_password_alloc(pos2 - pos);
     65 			if (buf == NULL)
     66 				return NULL;
     67 			wpabuf_put_data(buf, pos, pos2 - pos);
     68 			wpa_hexdump_ascii_key(MSG_DEBUG, "EXT PW TEST: value",
     69 					      wpabuf_head(buf),
     70 					      wpabuf_len(buf));
     71 			return buf;
     72 		}
     73 
     74 		pos = os_strchr(pos + 1, '|');
     75 		if (pos)
     76 			pos++;
     77 	}
     78 
     79 	wpa_printf(MSG_DEBUG, "EXT PW TEST: get(%s) - not found", name);
     80 
     81 	return NULL;
     82 }
     83 
     84 
     85 const struct ext_password_backend ext_password_test = {
     86 	.name = "test",
     87 	.init = ext_password_test_init,
     88 	.deinit = ext_password_test_deinit,
     89 	.get = ext_password_test_get,
     90 };
     91