Mercurial > dovecot > original-hg > dovecot-1.2

comparison src/auth/auth-plain.c @ 0:3b1985cbc908 HEAD

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Initial revision
author Timo Sirainen <tss@iki.fi>
date Fri, 09 Aug 2002 12:15:38 +0300
parents
children 82b7de533f98
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-1:000000000000 0:3b1985cbc908
1 /* Copyright (C) 2002 Timo Sirainen */
2
3 #include "common.h"
4 #include "auth.h"
5 #include "cookie.h"
6 #include "userinfo.h"
7
8 static void auth_plain_continue(CookieData *cookie,
9 AuthContinuedRequestData *request,
10 const unsigned char *data,
11 AuthCallback callback, void *user_data)
12 {
13 AuthCookieReplyData *cookie_reply = cookie->user_data;
14 AuthReplyData reply;
15 const char *user, *pass;
16 unsigned int i, count;
17
18 /* initialize reply */
19 memset(&reply, 0, sizeof(reply));
20 reply.id = request->id;
21 reply.result = AUTH_RESULT_FAILURE;
22 memcpy(reply.cookie, cookie->cookie, AUTH_COOKIE_SIZE);
23
24 /* data should contain user\0...\0pass */
25 user = (const char *) data;
26 pass = NULL;
27 count = 0;
28 for (i = 0; i < request->data_size; i++) {
29 if (data[i] == '\0') {
30 if (++count == 2) {
31 pass = i+1 == request->data_size ? "" :
32 t_strndup((const char *) data + i + 1,
33 request->data_size - i - 1);
34 break;
35 }
36 }
37 }
38
39 if (pass != NULL) {
40 if (userinfo->verify_plain(user, pass, cookie_reply)) {
41 cookie_reply->success = TRUE;
42 reply.result = AUTH_RESULT_SUCCESS;
43 }
44 }
45
46 callback(&reply, NULL, user_data);
47
48 if (!cookie_reply->success) {
49 /* failed, we don't need the cookie anymore */
50 cookie_remove(cookie->cookie);
51 }
52 }
53
54 static int auth_plain_fill_reply(CookieData *cookie, AuthCookieReplyData *reply)
55 {
56 AuthCookieReplyData *cookie_reply;
57
58 cookie_reply = cookie->user_data;
59 if (!cookie_reply->success)
60 return FALSE;
61
62 memcpy(reply, cookie_reply, sizeof(AuthCookieReplyData));
63 return TRUE;
64 }
65
66 static void auth_plain_free(CookieData *cookie)
67 {
68 i_free(cookie->user_data);
69 i_free(cookie);
70 }
71
72 static void auth_plain_init(AuthInitRequestData *request,
73 AuthCallback callback, void *user_data)
74 {
75 CookieData *cookie;
76 AuthReplyData reply;
77
78 cookie = i_new(CookieData, 1);
79 cookie->auth_fill_reply = auth_plain_fill_reply;
80 cookie->auth_continue = auth_plain_continue;
81 cookie->free = auth_plain_free;
82 cookie->user_data = i_new(AuthCookieReplyData, 1);
83
84 cookie_add(cookie);
85
86 /* initialize reply */
87 memset(&reply, 0, sizeof(reply));
88 reply.id = request->id;
89 reply.result = AUTH_RESULT_CONTINUE;
90 memcpy(reply.cookie, cookie->cookie, AUTH_COOKIE_SIZE);
91
92 callback(&reply, NULL, user_data);
93 }
94
95 AuthModule auth_plain = {
96 AUTH_METHOD_PLAIN,
97 auth_plain_init
98 };