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1 | /* $Id: authsasllogin.c,v 1.3 2005/07/02 15:40:28 mrsam Exp $ */ |
2 | |
3 | /* |
4 | ** Copyright 1998 - 2005 Double Precision, Inc. See COPYING for |
5 | ** distribution information. |
6 | */ |
7 | |
8 | #include "courier_auth_config.h" |
9 | #include "auth.h" |
10 | #include "random128/random128.h" |
11 | #include "courierauthsasl.h" |
12 | #include <stdlib.h> |
13 | #include <string.h> |
14 | #if HAVE_UNISTD_H |
15 | #include <unistd.h> |
16 | #endif |
17 | #include <ctype.h> |
18 | #include <stdio.h> |
19 | #include <errno.h> |
20 | |
21 | extern char *strdupdefdomain(const char *userid, const char *s1, |
22 | const char *s2, const char *s3); |
23 | |
24 | int authsasl_login(const char *method, const char *initresponse, |
25 | char *(*getresp)(const char *, void *), |
26 | void *callback_arg, |
27 | char **authtype, |
28 | char **authdata) |
29 | { |
30 | char *uid; |
31 | char *pw; |
32 | char *p; |
33 | int n; |
34 | |
35 | if (initresponse) |
36 | { |
37 | uid=malloc(strlen(initresponse)+1); |
38 | if (!uid) |
39 | { |
40 | perror("malloc"); |
41 | return (AUTHSASL_ERROR); |
42 | } |
43 | strcpy(uid, initresponse); |
44 | } |
45 | else |
46 | { |
47 | p=authsasl_tobase64("Username:", -1); |
48 | if (!p) |
49 | { |
50 | perror("malloc"); |
51 | return (AUTHSASL_ERROR); |
52 | } |
53 | uid=getresp(p, callback_arg); |
54 | free(p); |
55 | if (!uid) |
56 | { |
57 | perror("malloc"); |
58 | return (AUTHSASL_ERROR); |
59 | } |
60 | |
61 | if (*uid == '*') |
62 | { |
63 | free(uid); |
64 | return (AUTHSASL_ABORTED); |
65 | } |
66 | } |
67 | |
68 | p=authsasl_tobase64("Password:", -1); |
69 | if (!p) |
70 | { |
71 | free(uid); |
72 | perror("malloc"); |
73 | return (AUTHSASL_ERROR); |
74 | } |
75 | |
76 | pw=getresp(p, callback_arg); |
77 | free(p); |
78 | if (!pw) |
79 | { |
80 | free(uid); |
81 | perror("malloc"); |
82 | return (AUTHSASL_ERROR); |
83 | } |
84 | |
85 | if (*pw == '*') |
86 | { |
87 | free(pw); |
88 | free(uid); |
89 | return (AUTHSASL_ABORTED); |
90 | } |
91 | |
92 | if ((n=authsasl_frombase64(uid)) < 0 || |
93 | (uid[n]=0, n=authsasl_frombase64(pw)) < 0) |
94 | { |
95 | free(uid); |
96 | free(pw); |
97 | return (AUTHSASL_ABORTED); |
98 | } |
99 | pw[n]=0; |
100 | |
101 | if ( (*authtype=malloc(sizeof(AUTHTYPE_LOGIN))) == 0) |
102 | { |
103 | free(uid); |
104 | free(pw); |
105 | perror("malloc"); |
106 | return (AUTHSASL_ERROR); |
107 | } |
108 | |
109 | strcpy( *authtype, AUTHTYPE_LOGIN); |
110 | |
111 | if ( (*authdata=strdupdefdomain(uid,"\n",pw,"\n")) == 0) |
112 | { |
113 | free( *authtype ); |
114 | free(uid); |
115 | free(pw); |
116 | perror("malloc"); |
117 | return (AUTHSASL_ERROR); |
118 | } |
119 | |
120 | return (AUTHSASL_OK); |
121 | } |