]>
Commit | Line | Data |
---|---|---|
013096e5 | 1 | /* $Id$ |
2 | * | |
3 | * Random client utilities. | |
4 | * | |
5 | * Copyright (C) 1999 by the Massachusetts Institute of Technology | |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
8 | */ | |
9 | ||
10 | #include <mit-copyright.h> | |
11 | #include <moira.h> | |
12 | #include <mrclient.h> | |
13 | ||
013096e5 | 14 | #include <com_err.h> |
15 | #include <krb.h> | |
16 | ||
654e3753 | 17 | #include <sys/types.h> |
18 | ||
19 | #ifdef HAVE_UNAME | |
20 | #include <sys/utsname.h> | |
21 | #endif | |
22 | ||
23 | #ifndef _WIN32 | |
24 | #include <sys/socket.h> | |
25 | #include <netdb.h> | |
26 | #include <netinet/in.h> | |
27 | #endif /* _WIN32 */ | |
28 | ||
29 | #include <ctype.h> | |
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
32 | #include <string.h> | |
33 | ||
013096e5 | 34 | RCSID("$Header$"); |
35 | ||
36 | extern char *whoami; | |
37 | ||
4342cf40 | 38 | int mrcl_connect(char *server, char *client, int version, int auth) |
013096e5 | 39 | { |
40 | int status; | |
41 | char *motd; | |
42 | ||
43 | status = mr_connect(server); | |
44 | if (status) | |
45 | { | |
46 | com_err(whoami, status, "while connecting to Moira"); | |
47 | return MRCL_FAIL; | |
48 | } | |
49 | ||
50 | status = mr_motd(&motd); | |
51 | if (status) | |
52 | { | |
53 | mr_disconnect(); | |
54 | com_err(whoami, status, "while checking server status"); | |
55 | return MRCL_FAIL; | |
56 | } | |
57 | if (motd) | |
58 | { | |
59 | fprintf(stderr, "The Moira server is currently unavailable:\n%s\n", | |
60 | motd); | |
61 | mr_disconnect(); | |
62 | return MRCL_FAIL; | |
63 | } | |
64 | ||
4342cf40 | 65 | status = mr_version(version); |
66 | if (status) | |
67 | { | |
68 | if (status == MR_UNKNOWN_PROC) | |
69 | { | |
70 | if (version > 2) | |
2e899a98 | 71 | status = MR_VERSION_HIGH; |
4342cf40 | 72 | else |
2e899a98 | 73 | status = MR_SUCCESS; |
4342cf40 | 74 | } |
75 | ||
76 | if (status == MR_VERSION_HIGH) | |
77 | { | |
78 | com_err(whoami, 0, "Warning: This client is running newer code than the server."); | |
79 | com_err(whoami, 0, "Some operations may not work."); | |
80 | } | |
2e899a98 | 81 | else if (status && status != MR_VERSION_LOW) |
4342cf40 | 82 | { |
83 | com_err(whoami, status, "while setting query version number."); | |
84 | mr_disconnect(); | |
85 | return MRCL_FAIL; | |
86 | } | |
87 | } | |
88 | ||
013096e5 | 89 | if (auth) |
90 | { | |
91 | status = mr_auth(client); | |
92 | if (status) | |
93 | { | |
94 | com_err(whoami, status, "while authenticating to Moira."); | |
95 | mr_disconnect(); | |
96 | return MRCL_AUTH_ERROR; | |
97 | } | |
98 | } | |
99 | ||
100 | return MRCL_SUCCESS; | |
101 | } | |
102 | ||
103 | char *mrcl_krb_user(void) | |
104 | { | |
105 | int status; | |
106 | static char pname[ANAME_SZ]; | |
107 | ||
108 | status = tf_init(TKT_FILE, R_TKT_FIL); | |
109 | if (status == KSUCCESS) | |
110 | { | |
111 | status = tf_get_pname(pname); | |
112 | tf_close(); | |
113 | } | |
114 | ||
115 | if (status != KSUCCESS) | |
116 | { | |
117 | /* In case mr_init hasn't been called yet. */ | |
118 | initialize_krb_error_table(); | |
119 | com_err(whoami, status, "reading Kerberos ticket file."); | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | return pname; | |
124 | } | |
654e3753 | 125 | |
126 | char *partial_canonicalize_hostname(char *s) | |
127 | { | |
128 | char buf[256], *cp; | |
129 | static char *def_domain = NULL; | |
130 | ||
131 | if (!def_domain) | |
132 | { | |
133 | if (mr_host(buf, sizeof(buf)) == MR_SUCCESS) | |
134 | { | |
135 | cp = strchr(buf, '.'); | |
136 | if (cp) | |
137 | def_domain = strdup(++cp); | |
138 | } | |
139 | else | |
140 | { | |
141 | struct hostent *hp; | |
142 | #ifdef HAVE_UNAME | |
143 | struct utsname name; | |
144 | uname(&name); | |
145 | hp = gethostbyname(name.nodename); | |
146 | #else | |
147 | char name[256]; | |
148 | gethostname(name, sizeof(name)); | |
149 | name[sizeof(name)-1] = 0; | |
150 | hp = gethostbyname(name); | |
151 | #endif /* HAVE_UNAME */ | |
152 | cp = strchr(hp->h_name, '.'); | |
153 | if (cp) | |
154 | def_domain = strdup(++cp); | |
155 | } | |
156 | if (!def_domain) | |
157 | def_domain = ""; | |
158 | } | |
159 | ||
160 | if (strchr(s, '.') || strchr(s, '*')) | |
161 | return s; | |
162 | sprintf(buf, "%s.%s", s, def_domain); | |
163 | free(s); | |
164 | return strdup(buf); | |
165 | } |