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Commit | Line | Data |
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7ac48069 | 1 | /* $Id$ |
2 | * | |
3 | * This code handles the actual distribution of data files | |
4 | * to servers in the Moira server-update program. | |
5 | * | |
6 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology. | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
de56407f | 9 | */ |
10 | ||
546bc43b | 11 | #include <mit-copyright.h> |
7ac48069 | 12 | #include <moira.h> |
13 | #include "update.h" | |
14 | ||
85330553 | 15 | #include <errno.h> |
de56407f | 16 | #include <stdio.h> |
85330553 | 17 | #include <stdlib.h> |
802b0f62 | 18 | #include <string.h> |
7ac48069 | 19 | |
cb974713 | 20 | #ifdef HAVE_KRB4 |
7ac48069 | 21 | #include <des.h> |
de56407f | 22 | #include <krb.h> |
cb974713 | 23 | #endif |
991417e4 | 24 | #include <krb5.h> |
de56407f | 25 | |
7ac48069 | 26 | RCSID("$Header$"); |
de56407f | 27 | |
cb974713 | 28 | #ifdef HAVE_KRB4 |
85330553 | 29 | extern des_cblock session; |
cb974713 | 30 | #endif |
8ae70e8f | 31 | extern char *whoami; |
991417e4 | 32 | extern krb5_context context; |
33 | ||
34 | int mr_send_krb5_auth(int conn, char *host_name) | |
35 | { | |
36 | krb5_data auth; | |
37 | int code; | |
38 | long response; | |
39 | ||
40 | memset(&auth, 0, sizeof(auth)); | |
41 | ||
42 | code = get_mr_krb5_update_ticket(host_name, &auth); | |
43 | if (code) | |
44 | goto out; | |
45 | code = send_string(conn, "AUTH_003", 9); | |
46 | if (code) | |
47 | goto out; | |
48 | code = recv_int(conn, &response); | |
49 | if (code) | |
50 | goto out; | |
51 | if (response) | |
52 | { | |
53 | /* Talking to a server that doesn't do AUTH_003 */ | |
54 | krb5_free_data_contents(context, &auth); | |
55 | return response; | |
56 | } | |
57 | code = send_string(conn, (char *)auth.data, auth.length); | |
58 | if (code) | |
59 | goto out; | |
60 | code = recv_int(conn, &response); | |
61 | if (code) | |
62 | goto out; | |
63 | if (response) | |
64 | { | |
65 | krb5_free_data_contents(context, &auth); | |
66 | return response; | |
67 | } | |
68 | ||
69 | return MR_SUCCESS; | |
70 | ||
71 | out: | |
72 | krb5_free_data_contents(context, &auth); | |
73 | return code; | |
74 | } | |
de56407f | 75 | |
4e3b3c65 | 76 | int mr_send_auth(int conn, char *host_name) |
de56407f | 77 | { |
cb974713 | 78 | #ifdef HAVE_KRB4 |
5eaef520 | 79 | KTEXT_ST ticket_st; |
85330553 | 80 | int code, auth_version = 2; |
81 | long response; | |
5eaef520 | 82 | |
85330553 | 83 | code = get_mr_update_ticket(host_name, &ticket_st); |
5eaef520 | 84 | if (code) |
85 | return code; | |
85330553 | 86 | code = send_string(conn, "AUTH_002", 9); |
5eaef520 | 87 | if (code) |
85330553 | 88 | return code; |
89 | code = recv_int(conn, &response); | |
5eaef520 | 90 | if (code) |
85330553 | 91 | return code; |
5eaef520 | 92 | if (response) |
93 | { | |
85330553 | 94 | code = send_string(conn, "AUTH_001", 9); |
5eaef520 | 95 | if (code) |
85330553 | 96 | return code; |
97 | code = recv_int(conn, &response); | |
5eaef520 | 98 | if (code) |
85330553 | 99 | return code; |
5eaef520 | 100 | if (response) |
101 | return response; | |
102 | auth_version = 1; | |
de56407f | 103 | } |
85330553 | 104 | code = send_string(conn, (char *)ticket_st.dat, ticket_st.length); |
5eaef520 | 105 | if (code) |
85330553 | 106 | return code; |
107 | code = recv_int(conn, &response); | |
5eaef520 | 108 | if (code) |
85330553 | 109 | return code; |
5eaef520 | 110 | if (response) |
111 | return response; | |
112 | ||
113 | if (auth_version == 2) | |
114 | { | |
115 | des_key_schedule sched; | |
116 | C_Block enonce; | |
85330553 | 117 | char *data; |
118 | size_t size; | |
5eaef520 | 119 | |
85330553 | 120 | code = recv_string(conn, &data, &size); |
5eaef520 | 121 | if (code) |
85330553 | 122 | return code; |
5eaef520 | 123 | des_key_sched(session, sched); |
85330553 | 124 | des_ecb_encrypt(data, enonce, sched, 1); |
125 | free(data); | |
126 | code = send_string(conn, (char *)enonce, sizeof(enonce)); | |
5eaef520 | 127 | if (code) |
85330553 | 128 | return code; |
129 | code = recv_int(conn, &response); | |
5eaef520 | 130 | if (code) |
85330553 | 131 | return code; |
5eaef520 | 132 | if (response) |
133 | return response; | |
be86b0c2 | 134 | } |
135 | ||
5eaef520 | 136 | return MR_SUCCESS; |
cb974713 | 137 | #else |
138 | return MR_NO_KRB4; | |
139 | #endif | |
de56407f | 140 | } |
141 | ||
4e3b3c65 | 142 | int mr_execute(int conn, char *path) |
de56407f | 143 | { |
85330553 | 144 | long response; |
145 | char *data; | |
44d12d58 | 146 | int code; |
5eaef520 | 147 | |
85330553 | 148 | data = malloc(10 + strlen(path)); |
149 | if (!data) | |
150 | return ENOMEM; | |
151 | sprintf(data, "EXEC_002 %s", path); | |
152 | code = send_string(conn, data, strlen(data) + 1); | |
153 | free(data); | |
5eaef520 | 154 | if (code) |
85330553 | 155 | return code; |
156 | code = recv_int(conn, &response); | |
5eaef520 | 157 | if (code) |
85330553 | 158 | return code; |
5eaef520 | 159 | if (response) |
160 | return response; | |
85330553 | 161 | |
5eaef520 | 162 | return MR_SUCCESS; |
de56407f | 163 | } |
164 | ||
4e3b3c65 | 165 | void mr_send_quit(int conn) |
85330553 | 166 | { |
167 | send_string(conn, "quit", 5); | |
168 | } | |
169 | ||
170 | void fail(int conn, int err, char *msg) | |
de56407f | 171 | { |
8ae70e8f | 172 | com_err(whoami, err, msg); |
85330553 | 173 | return; |
de56407f | 174 | } |