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Commit | Line | Data |
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fa59b86f | 1 | /* $Id$ |
de56407f | 2 | * |
7ac48069 | 3 | * This routine is part of the client library. It handles |
4 | * the protocol operations: invoking an update and getting the | |
5 | * Moira message of the day. | |
5eaef520 | 6 | * |
7ac48069 | 7 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology |
8 | * For copying and distribution information, please see the file | |
9 | * <mit-copyright.h>. | |
de56407f | 10 | */ |
11 | ||
babbc197 | 12 | #include <mit-copyright.h> |
7ac48069 | 13 | #include <moira.h> |
8defc06b | 14 | #include "mr_private.h" |
de56407f | 15 | |
a3bbcc2b | 16 | #include <errno.h> |
17 | #include <stdlib.h> | |
7ac48069 | 18 | #include <string.h> |
19 | ||
20 | RCSID("$Header$"); | |
5f9f27e4 | 21 | |
22 | /* Invoke a DCM update. */ | |
23 | ||
5eaef520 | 24 | int mr_do_update(void) |
de56407f | 25 | { |
5eaef520 | 26 | int status; |
85330553 | 27 | mr_params params, reply; |
de56407f | 28 | |
5eaef520 | 29 | CHECK_CONNECTED; |
85330553 | 30 | params.u.mr_procno = MR_DO_UPDATE; |
31 | params.mr_argc = 0; | |
32 | params.mr_argl = NULL; | |
33 | params.mr_argv = NULL; | |
5eaef520 | 34 | |
85330553 | 35 | if ((status = mr_do_call(¶ms, &reply)) == MR_SUCCESS) |
36 | status = reply.u.mr_status; | |
5eaef520 | 37 | |
38 | mr_destroy_reply(reply); | |
39 | ||
40 | return status; | |
de56407f | 41 | } |
42 | ||
5f9f27e4 | 43 | |
59ec8dae | 44 | /* Get the Moira motd. This returns a Moira status, and motd will either |
5f9f27e4 | 45 | * point to NULL or the motd in a static buffer. |
de56407f | 46 | */ |
5f9f27e4 | 47 | |
5eaef520 | 48 | int mr_motd(char **motd) |
5f9f27e4 | 49 | { |
5eaef520 | 50 | int status; |
85330553 | 51 | mr_params params, reply; |
a3bbcc2b | 52 | static char *buffer = NULL; |
5eaef520 | 53 | |
54 | *motd = NULL; | |
55 | CHECK_CONNECTED; | |
85330553 | 56 | params.u.mr_procno = MR_MOTD; |
57 | params.mr_argc = 0; | |
58 | params.mr_argl = NULL; | |
59 | params.mr_argv = NULL; | |
60 | ||
61 | if ((status = mr_do_call(¶ms, &reply))) | |
5eaef520 | 62 | goto punt; |
63 | ||
85330553 | 64 | while ((status = reply.u.mr_status) == MR_MORE_DATA) |
5eaef520 | 65 | { |
85330553 | 66 | if (reply.mr_argc > 0) |
5eaef520 | 67 | { |
85330553 | 68 | buffer = realloc(buffer, reply.mr_argl[0] + 1); |
a3bbcc2b | 69 | if (!buffer) |
70 | { | |
71 | mr_disconnect(); | |
72 | return ENOMEM; | |
73 | } | |
85330553 | 74 | strcpy(buffer, reply.mr_argv[0]); |
5eaef520 | 75 | *motd = buffer; |
5f9f27e4 | 76 | } |
5eaef520 | 77 | mr_destroy_reply(reply); |
85330553 | 78 | if (mr_receive(_mr_conn, &reply) != MR_SUCCESS) |
5eaef520 | 79 | { |
80 | mr_disconnect(); | |
85330553 | 81 | return MR_ABORTED; |
5f9f27e4 | 82 | } |
5eaef520 | 83 | } |
84 | punt: | |
85 | mr_destroy_reply(reply); | |
85330553 | 86 | |
87 | return status; | |
5f9f27e4 | 88 | } |