109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
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/*
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* This file is part of the satirical systemd-openbsd.
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*
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* DON'T USE THIS IN PRODUCTION! DON'T USE IT ON YOUR MACHINE!
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* DON'T TAKE IT SERIOUS! IT MIGHT DELETE YOUR FILES.
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*
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* Despite this warning, you're free to use this code according to the
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* license below. Parts of it might be useful in other places after all.
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*/
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/*
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* Copyright (c) 2019 Reyk Floeter <contact@reykfloeter.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <err.h>
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#ifdef BINARYLOGS
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#include <netinet/in.h>
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#include <resolv.h>
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#include <string.h>
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#endif
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#include "systemd.h"
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extern long systemd_score;
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void
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systemd_journal(char *message, ...)
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{
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char *nmessage = NULL, *json = NULL;
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size_t i;
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va_list ap;
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#ifdef BINARYLOGS
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char *b64 = NULL;
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size_t b64len;
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#endif
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va_start(ap, message);
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if (vasprintf(&nmessage, message, ap) == -1) {
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/* Print the message without JSON as vintage syslog. */
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vsyslog(LOG_INFO, message, ap);
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nmessage = NULL;
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}
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va_end(ap);
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if (nmessage == NULL)
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return;
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/*
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* Plain syslog is not modern and most people don't know how to use
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* tools like tail, grep, awk, or sed to watch the logs manually or
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* how to parse them in their frontend applications. So convert the
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* logs into some obfuscated format that allows to feed it into
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* external tools that you might get from npm.
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*/
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for (i = 0; nmessage[i] != '\0'; i++)
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if (nmessage[i] == '"')
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nmessage[i] = '\'';
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if (asprintf(&json, "{"
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"\"name\":\"systemd\","
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"\"version\":%u,"
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"\"score\":%ld,"
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"\"useless-json\":true,"
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"\"message\":\"%s\"}",
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SYSTEMD_REV, systemd_score, nmessage) == -1)
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message = nmessage;
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else
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message = json;
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#ifdef BINARYLOGS
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/*
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* XXX To help the sysadmin, convert the JSON to some other binary
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* XXX format first, like protobuf or ASN.1, before we encode it
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* XXX to Base64.
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*/
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b64len = strlen(message) * 2;
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if ((b64 = calloc(1, b64len + 1)) != NULL &&
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b64_ntop(message, strlen(message), b64, b64len) != -1)
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message = b64;
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#endif
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#ifdef JUSTKIDDING
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warnx("%s", message);
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#else
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syslog(LOG_INFO, "%s", message);
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#endif
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free(nmessage);
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free(json);
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#ifdef BINARYLOGS
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free(b64);
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#endif
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}
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