From 7ccbd1ae843d77275f2c542582a9a80e5e058a70 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 27 Oct 2015 00:40:25 +0100 Subject: util-lib: split out syslog-related calls into syslog-util.[ch] --- src/basic/syslog-util.c | 115 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 src/basic/syslog-util.c (limited to 'src/basic/syslog-util.c') diff --git a/src/basic/syslog-util.c b/src/basic/syslog-util.c new file mode 100644 index 0000000000..01577941a0 --- /dev/null +++ b/src/basic/syslog-util.c @@ -0,0 +1,115 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include + +#include "assert.h" +#include "hexdecoct.h" +#include "string-table.h" +#include "syslog-util.h" + +int syslog_parse_priority(const char **p, int *priority, bool with_facility) { + int a = 0, b = 0, c = 0; + int k; + + assert(p); + assert(*p); + assert(priority); + + if ((*p)[0] != '<') + return 0; + + if (!strchr(*p, '>')) + return 0; + + if ((*p)[2] == '>') { + c = undecchar((*p)[1]); + k = 3; + } else if ((*p)[3] == '>') { + b = undecchar((*p)[1]); + c = undecchar((*p)[2]); + k = 4; + } else if ((*p)[4] == '>') { + a = undecchar((*p)[1]); + b = undecchar((*p)[2]); + c = undecchar((*p)[3]); + k = 5; + } else + return 0; + + if (a < 0 || b < 0 || c < 0 || + (!with_facility && (a || b || c > 7))) + return 0; + + if (with_facility) + *priority = a*100 + b*10 + c; + else + *priority = (*priority & LOG_FACMASK) | c; + + *p += k; + return 1; +} + +static const char *const log_facility_unshifted_table[LOG_NFACILITIES] = { + [LOG_FAC(LOG_KERN)] = "kern", + [LOG_FAC(LOG_USER)] = "user", + [LOG_FAC(LOG_MAIL)] = "mail", + [LOG_FAC(LOG_DAEMON)] = "daemon", + [LOG_FAC(LOG_AUTH)] = "auth", + [LOG_FAC(LOG_SYSLOG)] = "syslog", + [LOG_FAC(LOG_LPR)] = "lpr", + [LOG_FAC(LOG_NEWS)] = "news", + [LOG_FAC(LOG_UUCP)] = "uucp", + [LOG_FAC(LOG_CRON)] = "cron", + [LOG_FAC(LOG_AUTHPRIV)] = "authpriv", + [LOG_FAC(LOG_FTP)] = "ftp", + [LOG_FAC(LOG_LOCAL0)] = "local0", + [LOG_FAC(LOG_LOCAL1)] = "local1", + [LOG_FAC(LOG_LOCAL2)] = "local2", + [LOG_FAC(LOG_LOCAL3)] = "local3", + [LOG_FAC(LOG_LOCAL4)] = "local4", + [LOG_FAC(LOG_LOCAL5)] = "local5", + [LOG_FAC(LOG_LOCAL6)] = "local6", + [LOG_FAC(LOG_LOCAL7)] = "local7" +}; + +DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(log_facility_unshifted, int, LOG_FAC(~0)); + +bool log_facility_unshifted_is_valid(int facility) { + return facility >= 0 && facility <= LOG_FAC(~0); +} + +static const char *const log_level_table[] = { + [LOG_EMERG] = "emerg", + [LOG_ALERT] = "alert", + [LOG_CRIT] = "crit", + [LOG_ERR] = "err", + [LOG_WARNING] = "warning", + [LOG_NOTICE] = "notice", + [LOG_INFO] = "info", + [LOG_DEBUG] = "debug" +}; + +DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(log_level, int, LOG_DEBUG); + +bool log_level_is_valid(int level) { + return level >= 0 && level <= LOG_DEBUG; +} -- cgit v1.2.3-54-g00ecf