[232] | 1 | /* |
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| 2 | * ksyslog: In-kernel syslog receiver |
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| 3 | * Copyright(C) 2013 Atzm WATANABE All rights reserved |
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| 4 | * Distributed under the GPL |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef KSYSLOG_H |
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| 8 | #define KSYSLOG_H |
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| 9 | |
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| 10 | #define UDP_ENCAP_KSYSLOG 16 |
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| 11 | |
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[243] | 12 | #ifndef __list_for_each_rcu |
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| 13 | #define __list_for_each_rcu(pos, head) \ |
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| 14 | for (pos = rcu_dereference_raw(list_next_rcu(head)); \ |
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| 15 | pos != (head); \ |
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| 16 | pos = rcu_dereference_raw(list_next_rcu(pos))) |
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| 17 | #endif |
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| 18 | |
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[232] | 19 | enum ksyslog_facility { |
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| 20 | KSYSLOG_F_KERN, |
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| 21 | KSYSLOG_F_USER, |
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| 22 | KSYSLOG_F_MAIL, |
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| 23 | KSYSLOG_F_DAEMON, |
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| 24 | KSYSLOG_F_AUTH, |
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| 25 | KSYSLOG_F_SYSLOG, |
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| 26 | KSYSLOG_F_LPR, |
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| 27 | KSYSLOG_F_NEWS, |
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| 28 | KSYSLOG_F_UUCP, |
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| 29 | KSYSLOG_F_CRON, |
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| 30 | KSYSLOG_F_AUTHPRIV, |
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| 31 | KSYSLOG_F_FTP, |
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| 32 | KSYSLOG_F_NTP, |
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| 33 | KSYSLOG_F_AUDIT, |
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| 34 | KSYSLOG_F_ALERT, |
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| 35 | KSYSLOG_F_CRONPRIV, /* ? */ |
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| 36 | KSYSLOG_F_LOCAL0, |
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| 37 | KSYSLOG_F_LOCAL1, |
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| 38 | KSYSLOG_F_LOCAL2, |
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| 39 | KSYSLOG_F_LOCAL3, |
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| 40 | KSYSLOG_F_LOCAL4, |
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| 41 | KSYSLOG_F_LOCAL5, |
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| 42 | KSYSLOG_F_LOCAL6, |
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| 43 | KSYSLOG_F_LOCAL7, |
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| 44 | __KSYSLOG_F_MAX, |
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| 45 | }; |
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| 46 | |
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| 47 | enum ksyslog_severity { |
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| 48 | KSYSLOG_S_EMERG, |
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| 49 | KSYSLOG_S_ALERT, |
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| 50 | KSYSLOG_S_CRIT, |
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| 51 | KSYSLOG_S_ERR, |
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| 52 | KSYSLOG_S_WARN, |
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| 53 | KSYSLOG_S_NOTICE, |
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| 54 | KSYSLOG_S_INFO, |
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| 55 | KSYSLOG_S_DEBUG, |
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| 56 | __KSYSLOG_S_MAX, |
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| 57 | }; |
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| 58 | |
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| 59 | struct ksyslog_entry { |
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| 60 | struct list_head list; |
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[235] | 61 | struct timeval tv; |
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[232] | 62 | |
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[235] | 63 | unsigned long time; |
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| 64 | unsigned int priority; |
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[232] | 65 | enum ksyslog_facility facility; |
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| 66 | enum ksyslog_severity severity; |
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| 67 | |
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| 68 | union { |
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| 69 | __u8 addr8[4]; |
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| 70 | __be32 addr32; |
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| 71 | } daddr, saddr; |
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| 72 | |
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| 73 | __be16 dport, sport; |
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| 74 | |
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| 75 | size_t length; |
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| 76 | char *data; |
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| 77 | |
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| 78 | struct rcu_head rcu; |
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| 79 | }; |
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| 80 | |
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| 81 | struct ksyslog_queue { |
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| 82 | struct list_head head; |
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[242] | 83 | spinlock_t lock; |
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[241] | 84 | atomic64_t nr_queued; |
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| 85 | atomic64_t nr_written; |
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| 86 | atomic64_t nr_dropped; |
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[232] | 87 | }; |
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| 88 | |
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| 89 | static inline const char * |
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| 90 | ksyslog_facility_str(const enum ksyslog_facility facility) |
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| 91 | { |
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| 92 | switch (facility) { |
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| 93 | case KSYSLOG_F_KERN: return "kern"; |
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| 94 | case KSYSLOG_F_USER: return "user"; |
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| 95 | case KSYSLOG_F_MAIL: return "mail"; |
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| 96 | case KSYSLOG_F_DAEMON: return "daemon"; |
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| 97 | case KSYSLOG_F_AUTH: return "auth"; |
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| 98 | case KSYSLOG_F_SYSLOG: return "syslog"; |
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| 99 | case KSYSLOG_F_LPR: return "lpr"; |
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| 100 | case KSYSLOG_F_NEWS: return "news"; |
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| 101 | case KSYSLOG_F_UUCP: return "uucp"; |
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| 102 | case KSYSLOG_F_CRON: return "cron"; |
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| 103 | case KSYSLOG_F_AUTHPRIV: return "authpriv"; |
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| 104 | case KSYSLOG_F_FTP: return "ftp"; |
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| 105 | case KSYSLOG_F_NTP: return "ntp"; |
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| 106 | case KSYSLOG_F_AUDIT: return "audit"; |
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| 107 | case KSYSLOG_F_ALERT: return "alert"; |
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| 108 | case KSYSLOG_F_CRONPRIV: return "cronpriv"; |
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| 109 | case KSYSLOG_F_LOCAL0: return "local0"; |
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| 110 | case KSYSLOG_F_LOCAL1: return "local1"; |
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| 111 | case KSYSLOG_F_LOCAL2: return "local2"; |
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| 112 | case KSYSLOG_F_LOCAL3: return "local3"; |
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| 113 | case KSYSLOG_F_LOCAL4: return "local4"; |
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| 114 | case KSYSLOG_F_LOCAL5: return "local5"; |
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| 115 | case KSYSLOG_F_LOCAL6: return "local6"; |
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| 116 | case KSYSLOG_F_LOCAL7: return "local7"; |
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| 117 | default: return "unknown"; |
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| 118 | } |
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| 119 | } |
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| 120 | |
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| 121 | static inline const char * |
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| 122 | ksyslog_severity_str(const enum ksyslog_severity severity) |
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| 123 | { |
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| 124 | switch (severity) { |
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| 125 | case KSYSLOG_S_EMERG: return "emerg"; |
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| 126 | case KSYSLOG_S_ALERT: return "alert"; |
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| 127 | case KSYSLOG_S_CRIT: return "crit"; |
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| 128 | case KSYSLOG_S_ERR: return "err"; |
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| 129 | case KSYSLOG_S_WARN: return "warn"; |
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| 130 | case KSYSLOG_S_NOTICE: return "notice"; |
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| 131 | case KSYSLOG_S_INFO: return "info"; |
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| 132 | case KSYSLOG_S_DEBUG: return "debug"; |
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| 133 | default: return "unknown"; |
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| 134 | } |
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| 135 | } |
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| 136 | |
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[236] | 137 | static inline unsigned int |
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[235] | 138 | ksyslog_month_num(const char *month) |
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| 139 | { |
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| 140 | if (!memcmp(month, "Jan", 3)) |
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| 141 | return 1; |
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| 142 | else if (!memcmp(month, "Feb", 3)) |
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| 143 | return 2; |
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| 144 | else if (!memcmp(month, "Mar", 3)) |
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| 145 | return 3; |
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| 146 | else if (!memcmp(month, "Apr", 3)) |
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| 147 | return 4; |
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| 148 | else if (!memcmp(month, "May", 3)) |
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| 149 | return 5; |
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| 150 | else if (!memcmp(month, "Jun", 3)) |
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| 151 | return 6; |
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| 152 | else if (!memcmp(month, "Jul", 3)) |
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| 153 | return 7; |
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| 154 | else if (!memcmp(month, "Aug", 3)) |
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| 155 | return 8; |
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| 156 | else if (!memcmp(month, "Sep", 3)) |
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| 157 | return 9; |
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| 158 | else if (!memcmp(month, "Oct", 3)) |
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| 159 | return 10; |
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| 160 | else if (!memcmp(month, "Nov", 3)) |
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| 161 | return 11; |
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| 162 | else if (!memcmp(month, "Dec", 3)) |
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| 163 | return 12; |
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| 164 | else |
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| 165 | return 0; |
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| 166 | } |
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| 167 | |
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[232] | 168 | #endif |
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