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1 | /* | |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987, 1990 by the Massachusetts Institute of Technology | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
9 | * | |
10 | * Handles the client side of the sending of authenticators to | |
11 | * the mr server. | |
12 | */ | |
13 | ||
14 | #ifndef lint | |
15 | static char *rcsid_sms_auth_c = "$Header$"; | |
16 | #endif lint | |
17 | ||
18 | #include <mit-copyright.h> | |
19 | #include "mr_private.h" | |
20 | #include <ctype.h> | |
21 | #include <krb.h> | |
22 | #include <krb_et.h> | |
23 | #include <string.h> | |
24 | ||
25 | /* Authenticate this client with the MR server. prog is the name of the | |
26 | * client program, and will be recorded in the database. | |
27 | */ | |
28 | ||
29 | int mr_auth(prog) | |
30 | char *prog; | |
31 | { | |
32 | register int status; | |
33 | mr_params params_st; | |
34 | char *args[2]; | |
35 | int argl[2]; | |
36 | char realm[REALM_SZ], host[BUFSIZ], *p; | |
37 | ||
38 | register mr_params *params = ¶ms_st; | |
39 | mr_params *reply = NULL; | |
40 | KTEXT_ST auth; | |
41 | ||
42 | CHECK_CONNECTED; | |
43 | ||
44 | /* Build a Kerberos authenticator. */ | |
45 | ||
46 | memset(host, 0, sizeof(host)); | |
47 | if (status = mr_host(host, sizeof(host) - 1)) | |
48 | return status; | |
49 | ||
50 | strcpy(realm, (char *)krb_realmofhost(host)); | |
51 | for (p = host; *p && *p != '.'; p++) | |
52 | if (isupper(*p)) | |
53 | *p = tolower(*p); | |
54 | *p = 0; | |
55 | ||
56 | status = krb_mk_req(&auth, MOIRA_SNAME, host, realm, 0); | |
57 | if (status != KSUCCESS) { | |
58 | status += ERROR_TABLE_BASE_krb; | |
59 | return status; | |
60 | } | |
61 | params->mr_version_no = sending_version_no; | |
62 | params->mr_procno = MR_AUTH; | |
63 | params->mr_argc = 2; | |
64 | params->mr_argv = args; | |
65 | params->mr_argl = argl; | |
66 | params->mr_argv[0] = (char *)auth.dat; | |
67 | params->mr_argl[0] = auth.length; | |
68 | params->mr_argv[1] = prog; | |
69 | params->mr_argl[1] = strlen(prog) + 1; | |
70 | ||
71 | if (sending_version_no == MR_VERSION_1) | |
72 | params->mr_argc = 1; | |
73 | ||
74 | if ((status = mr_do_call(params, &reply)) == 0) | |
75 | status = reply->mr_status; | |
76 | ||
77 | mr_destroy_reply(reply); | |
78 | ||
79 | return status; | |
80 | } |