1 | /* $Id: critical.c 3956 2010-01-05 20:56:56Z zacheiss $ |
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2 | * |
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3 | * Log and send a zephyrgram about any critical errors. |
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4 | * |
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5 | * (c) Copyright 1988-1998 by the Massachusetts Institute of Technology. |
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6 | * For copying and distribution information, please see the file |
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7 | * <mit-copyright.h>. |
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8 | */ |
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9 | |
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10 | |
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11 | #ifdef HAVE_ZEPHYR |
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12 | /* need to include before moira.h, which includes krb_et.h, because |
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13 | zephyr.h is broken */ |
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14 | #include <zephyr/zephyr.h> |
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15 | /* zephyr.h doesn't prototype this */ |
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16 | extern Code_t ZSendNotice(ZNotice_t *notice, Z_AuthProc cert_routine); |
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17 | #endif |
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18 | |
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19 | #include <mit-copyright.h> |
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20 | #include <moira.h> |
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21 | #include <moira_site.h> |
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22 | |
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23 | #include <stdio.h> |
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24 | #include <stdlib.h> |
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25 | #include <string.h> |
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26 | #ifndef HAVE_ZEPHYR |
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27 | #include <syslog.h> |
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28 | #endif |
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29 | #include <time.h> |
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30 | |
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31 | RCSID("$HeadURL: svn+ssh://svn.mit.edu/moira/trunk/moira/lib/critical.c $ $Id: critical.c 3956 2010-01-05 20:56:56Z zacheiss $"); |
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32 | |
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33 | /* mode to create the file with */ |
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34 | #define LOGFILEMODE 0644 |
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35 | |
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36 | /* This routine sends a class MOIRA zephyrgram of specified instance |
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37 | * and logs to a special logfile the message passed to it via msg |
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38 | * and args in printf format. *** It expects the global variable |
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39 | * whoami to be defined and contain the name of the calling program. |
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40 | */ |
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41 | |
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42 | void critical_alert(char *whoami, char *instance, char *msg, ...) |
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43 | { |
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44 | FILE *crit; |
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45 | char *buf; |
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46 | va_list ap; |
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47 | long start; |
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48 | |
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49 | /* Log message to critical file */ |
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50 | if ((crit = fopen(CRITERRLOG, "a"))) |
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51 | { |
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52 | time_t t; |
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53 | char *time_s; |
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54 | |
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55 | time(&t); |
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56 | time_s = ctime(&t) + 4; |
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57 | time_s[strlen(time_s) - 6] = '\0'; |
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58 | |
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59 | fprintf(crit, "%s <%ld>", time_s, (long)getpid()); |
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60 | start = ftell(crit); |
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61 | va_start(ap, msg); |
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62 | vfprintf(crit, msg, ap); |
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63 | va_end(ap); |
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64 | fprintf(crit, "\n"); |
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65 | |
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66 | buf = malloc(ftell(crit) - start); |
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67 | fclose(crit); |
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68 | |
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69 | if (buf) |
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70 | { |
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71 | va_start(ap, msg); |
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72 | vsprintf(buf, msg, ap); |
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73 | va_end(ap); |
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74 | |
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75 | send_zgram(instance, buf); |
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76 | com_err(whoami, 0, "%s", buf); |
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77 | |
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78 | free(buf); |
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79 | } |
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80 | } |
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81 | |
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82 | if (!crit || !buf) |
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83 | { |
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84 | send_zgram(instance, "Couldn't format critical syslog!"); |
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85 | com_err(whoami, 0, "Couldn't format critical syslog!"); |
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86 | } |
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87 | } |
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88 | |
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89 | |
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90 | /* Sends a zephyrgram of class "MOIRA", instance as a parameter. Ignores |
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91 | * errors while sending message. |
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92 | */ |
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93 | |
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94 | void send_zgram(char *inst, char *msg) |
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95 | { |
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96 | #ifdef HAVE_ZEPHYR |
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97 | ZNotice_t znotice; |
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98 | |
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99 | memset(&znotice, 0, sizeof(znotice)); |
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100 | znotice.z_kind = UNSAFE; |
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101 | znotice.z_class = "MOIRA"; |
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102 | znotice.z_class_inst = inst; |
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103 | znotice.z_default_format = "MOIRA $instance on $fromhost:\n $message\n"; |
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104 | ZInitialize(); |
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105 | znotice.z_message = msg; |
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106 | znotice.z_message_len = strlen(msg) + 1; |
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107 | znotice.z_opcode = ""; |
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108 | znotice.z_recipient = ""; |
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109 | ZSendNotice(&znotice, ZNOAUTH); |
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110 | #else |
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111 | char *buf; |
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112 | |
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113 | buf = malloc(9 + strlen(inst) + strlen(msg)); |
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114 | if (buf) |
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115 | { |
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116 | sprintf(buf, "MOIRA: %s %s", inst, msg); |
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117 | syslog(LOG_ERR, "%s", buf); |
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118 | free(buf); |
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119 | } |
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120 | #endif |
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121 | } |
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