src/basic/syslog-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2010 Lennart Poettering
   4 ***/
   5
   6 #include <string.h>
   7 #include <syslog.h>
   8
   9 #include "hexdecoct.h"
  10 #include "macro.h"
  11 #include "string-table.h"
  12 #include "syslog-util.h"
  13
  14 #if 0 /// UNNEEDED by elogind
  15 int syslog_parse_priority(const char **p, int *priority, bool with_facility) {
  16         int a = 0, b = 0, c = 0;
  17         int k;
  18
  19         assert(p);
  20         assert(*p);
  21         assert(priority);
  22
  23         if ((*p)[0] != '<')
  24                 return 0;
  25
  26         if (!strchr(*p, '>'))
  27                 return 0;
  28
  29         if ((*p)[2] == '>') {
  30                 c = undecchar((*p)[1]);
  31                 k = 3;
  32         } else if ((*p)[3] == '>') {
  33                 b = undecchar((*p)[1]);
  34                 c = undecchar((*p)[2]);
  35                 k = 4;
  36         } else if ((*p)[4] == '>') {
  37                 a = undecchar((*p)[1]);
  38                 b = undecchar((*p)[2]);
  39                 c = undecchar((*p)[3]);
  40                 k = 5;
  41         } else
  42                 return 0;
  43
  44         if (a < 0 || b < 0 || c < 0 ||
  45             (!with_facility && (a || b || c > 7)))
  46                 return 0;
  47
  48         if (with_facility)
  49                 *priority = a*100 + b*10 + c;
  50         else
  51                 *priority = (*priority & LOG_FACMASK) | c;
  52
  53         *p += k;
  54         return 1;
  55 }
  56 #endif // 0
  57
  58 static const char *const log_facility_unshifted_table[LOG_NFACILITIES] = {
  59         [LOG_FAC(LOG_KERN)] = "kern",
  60         [LOG_FAC(LOG_USER)] = "user",
  61         [LOG_FAC(LOG_MAIL)] = "mail",
  62         [LOG_FAC(LOG_DAEMON)] = "daemon",
  63         [LOG_FAC(LOG_AUTH)] = "auth",
  64         [LOG_FAC(LOG_SYSLOG)] = "syslog",
  65         [LOG_FAC(LOG_LPR)] = "lpr",
  66         [LOG_FAC(LOG_NEWS)] = "news",
  67         [LOG_FAC(LOG_UUCP)] = "uucp",
  68         [LOG_FAC(LOG_CRON)] = "cron",
  69         [LOG_FAC(LOG_AUTHPRIV)] = "authpriv",
  70         [LOG_FAC(LOG_FTP)] = "ftp",
  71         [LOG_FAC(LOG_LOCAL0)] = "local0",
  72         [LOG_FAC(LOG_LOCAL1)] = "local1",
  73         [LOG_FAC(LOG_LOCAL2)] = "local2",
  74         [LOG_FAC(LOG_LOCAL3)] = "local3",
  75         [LOG_FAC(LOG_LOCAL4)] = "local4",
  76         [LOG_FAC(LOG_LOCAL5)] = "local5",
  77         [LOG_FAC(LOG_LOCAL6)] = "local6",
  78         [LOG_FAC(LOG_LOCAL7)] = "local7"
  79 };
  80
  81 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(log_facility_unshifted, int, LOG_FAC(~0));
  82
  83 #if 0 /// UNNEEDED by elogind
  84 bool log_facility_unshifted_is_valid(int facility) {
  85         return facility >= 0 && facility <= LOG_FAC(~0);
  86 }
  87 #endif // 0
  88
  89 static const char *const log_level_table[] = {
  90         [LOG_EMERG] = "emerg",
  91         [LOG_ALERT] = "alert",
  92         [LOG_CRIT] = "crit",
  93         [LOG_ERR] = "err",
  94         [LOG_WARNING] = "warning",
  95         [LOG_NOTICE] = "notice",
  96         [LOG_INFO] = "info",
  97         [LOG_DEBUG] = "debug"
  98 };
  99
 100 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(log_level, int, LOG_DEBUG);
 101
 102 #if 0 /// UNNEEDED by elogind
 103 bool log_level_is_valid(int level) {
 104         return level >= 0 && level <= LOG_DEBUG;
 105 }
 106 #endif // 0