1 | /* |
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2 | * $Id: rkinitd.c,v 1.3 1990-08-01 11:56:13 qjb Exp $ |
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3 | * $Source: /afs/dev.mit.edu/source/repository/athena/bin/rkinit/rkinitd/rkinitd.c,v $ |
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4 | * $Author: qjb $ |
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5 | * |
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6 | * This is the main source file for rkinit |
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7 | */ |
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8 | |
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9 | #if !defined(lint) && !defined(SABER) && !defined(LOCORE) && defined(RCS_HDRS) |
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10 | static char *rcsid = "$Id: rkinitd.c,v 1.3 1990-08-01 11:56:13 qjb Exp $"; |
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11 | #endif /* lint || SABER || LOCORE || RCS_HDRS */ |
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12 | |
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13 | #include <stdio.h> |
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14 | #include <ctype.h> |
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15 | #include <errno.h> |
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16 | #include <sys/types.h> |
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17 | #include <sys/file.h> |
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18 | #include <sys/socket.h> |
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19 | #include <netinet/in.h> |
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20 | #include <netdb.h> |
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21 | #include <strings.h> |
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22 | #include <signal.h> |
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23 | #include <sys/time.h> |
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24 | #include <pwd.h> |
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25 | #include <krb.h> |
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26 | #include <des.h> |
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27 | #include <syslog.h> |
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28 | |
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29 | #include <rkinit.h> |
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30 | #include <rkinit_err.h> |
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31 | #include <rkinit_private.h> |
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32 | |
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33 | #include "rkinitd.h" |
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34 | |
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35 | extern int errno; |
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36 | extern char *sys_errlist[]; |
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37 | |
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38 | static int inetd = TRUE; /* True if we were started by inetd */ |
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39 | |
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40 | #ifdef __STDC__ |
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41 | static void usage(void) |
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42 | #else |
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43 | static void usage() |
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44 | #endif /* __STDC__ */ |
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45 | { |
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46 | syslog(LOG_ERR, "rkinitd usage: rkinitd [-notimeout]\n"); |
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47 | exit(1); |
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48 | } |
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49 | |
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50 | #ifdef __STDC__ |
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51 | void error(void) |
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52 | #else |
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53 | void error() |
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54 | #endif /* __STDC__ */ |
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55 | { |
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56 | char errbuf[BUFSIZ]; |
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57 | |
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58 | strcpy(errbuf, rkinit_errmsg(0)); |
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59 | if (strlen(errbuf)) { |
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60 | if (inetd) |
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61 | syslog(LOG_ERR, "rkinitd: %s", errbuf); |
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62 | else |
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63 | fprintf(stderr, "rkinitd: %s\n", errbuf); |
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64 | } |
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65 | } |
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66 | |
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67 | #ifdef __STDC__ |
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68 | main(int argc, char *argv[]) |
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69 | #else |
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70 | main(argc, argv) |
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71 | int argc; |
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72 | char *argv[]; |
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73 | #endif /* __STDC__ */ |
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74 | { |
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75 | int version; /* Version of the transaction */ |
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76 | |
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77 | int notimeout = FALSE; /* Should we not timeout? */ |
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78 | |
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79 | static char *envinit[1]; /* Empty environment */ |
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80 | extern char **environ; /* This process's environment */ |
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81 | |
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82 | int status = 0; /* General error code */ |
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83 | |
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84 | /* |
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85 | * Clear the environment so that this process does not inherit |
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86 | * kerberos ticket variable information from the person who started |
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87 | * the process (if a person started it...). |
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88 | */ |
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89 | environ = envinit; |
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90 | |
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91 | /* Initialize com_err error table */ |
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92 | initialize_rkin_error_table(); |
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93 | |
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94 | #ifdef DEBUG |
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95 | /* This only works if the library was compiled with DEBUG defined */ |
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96 | rki_i_am_server(); |
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97 | #endif /* DEBUG */ |
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98 | |
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99 | /* |
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100 | * Make sure that we are running as root or can arrange to be |
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101 | * running as root. We need both to be able to read /etc/srvtab |
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102 | * and to be able to change uid to create tickets. |
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103 | */ |
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104 | |
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105 | (void) setuid(0); |
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106 | if (getuid() != 0) { |
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107 | syslog(LOG_ERR, "rkinitd: not running as root.\n"); |
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108 | exit(1); |
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109 | } |
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110 | |
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111 | /* Determine whether to time out */ |
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112 | if (argc == 2) { |
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113 | if (strcmp(argv[1], "-notimeout")) |
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114 | usage(); |
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115 | else |
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116 | notimeout = TRUE; |
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117 | } |
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118 | else if (argc != 1) |
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119 | usage(); |
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120 | |
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121 | inetd = setup_rpc(notimeout); |
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122 | |
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123 | if ((status = choose_version(&version) != RKINIT_SUCCESS)) { |
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124 | error(); |
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125 | exit(1); |
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126 | } |
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127 | |
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128 | if ((status = get_tickets(version) != RKINIT_SUCCESS)) { |
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129 | error(); |
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130 | exit(1); |
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131 | } |
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132 | |
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133 | exit(0); |
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134 | } |
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135 | |
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136 | |
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