mirror of
https://github.com/openssl/openssl.git
synced 2024-12-15 06:01:37 +08:00
418 lines
9.5 KiB
C
418 lines
9.5 KiB
C
/*
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* Copyright 1999-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* Why BIO_s_log?
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*
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* BIO_s_log is useful for system daemons (or services under NT). It is
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* one-way BIO, it sends all stuff to syslogd (on system that commonly use
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* that), or event log (on NT), or OPCOM (on OpenVMS).
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*
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*/
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#include <stdio.h>
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#include <errno.h>
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#include "bio_local.h"
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#include "internal/cryptlib.h"
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#if defined(OPENSSL_SYS_WINCE)
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#elif defined(OPENSSL_SYS_WIN32)
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#elif defined(__wasi__)
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# define NO_SYSLOG
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#elif defined(OPENSSL_SYS_VMS)
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# include <opcdef.h>
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# include <descrip.h>
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# include <lib$routines.h>
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# include <starlet.h>
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/* Some compiler options may mask the declaration of "_malloc32". */
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# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
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# if __INITIAL_POINTER_SIZE == 64
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# pragma pointer_size save
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# pragma pointer_size 32
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void *_malloc32(__size_t);
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# pragma pointer_size restore
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# endif /* __INITIAL_POINTER_SIZE == 64 */
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# endif /* __INITIAL_POINTER_SIZE && defined
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* _ANSI_C_SOURCE */
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#elif defined(__DJGPP__) && defined(OPENSSL_NO_SOCK)
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# define NO_SYSLOG
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#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
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# include <syslog.h>
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#endif
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#ifndef NO_SYSLOG
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# if defined(OPENSSL_SYS_WIN32)
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# define LOG_EMERG 0
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# define LOG_ALERT 1
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# define LOG_CRIT 2
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# define LOG_ERR 3
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# define LOG_WARNING 4
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# define LOG_NOTICE 5
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# define LOG_INFO 6
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# define LOG_DEBUG 7
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# define LOG_DAEMON (3<<3)
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# elif defined(OPENSSL_SYS_VMS)
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/* On VMS, we don't really care about these, but we need them to compile */
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# define LOG_EMERG 0
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# define LOG_ALERT 1
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# define LOG_CRIT 2
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# define LOG_ERR 3
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# define LOG_WARNING 4
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# define LOG_NOTICE 5
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# define LOG_INFO 6
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# define LOG_DEBUG 7
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# define LOG_DAEMON OPC$M_NM_NTWORK
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# endif
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static int slg_write(BIO *h, const char *buf, int num);
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static int slg_puts(BIO *h, const char *str);
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static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
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static int slg_new(BIO *h);
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static int slg_free(BIO *data);
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static void xopenlog(BIO *bp, char *name, int level);
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static void xsyslog(BIO *bp, int priority, const char *string);
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static void xcloselog(BIO *bp);
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static const BIO_METHOD methods_slg = {
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BIO_TYPE_MEM,
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"syslog",
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bwrite_conv,
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slg_write,
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NULL, /* slg_write_old, */
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NULL, /* slg_read, */
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slg_puts,
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NULL,
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slg_ctrl,
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slg_new,
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slg_free,
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NULL, /* slg_callback_ctrl */
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};
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const BIO_METHOD *BIO_s_log(void)
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{
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return &methods_slg;
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}
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static int slg_new(BIO *bi)
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{
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bi->init = 1;
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bi->num = 0;
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bi->ptr = NULL;
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xopenlog(bi, "application", LOG_DAEMON);
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return 1;
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}
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static int slg_free(BIO *a)
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{
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if (a == NULL)
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return 0;
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xcloselog(a);
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return 1;
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}
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static int slg_write(BIO *b, const char *in, int inl)
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{
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int ret = inl;
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char *buf;
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char *pp;
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int priority, i;
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static const struct {
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int strl;
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char str[10];
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int log_level;
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} mapping[] = {
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{
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6, "PANIC ", LOG_EMERG
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},
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{
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6, "EMERG ", LOG_EMERG
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},
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{
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4, "EMR ", LOG_EMERG
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},
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{
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6, "ALERT ", LOG_ALERT
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},
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{
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4, "ALR ", LOG_ALERT
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},
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{
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5, "CRIT ", LOG_CRIT
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},
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{
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4, "CRI ", LOG_CRIT
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},
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{
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6, "ERROR ", LOG_ERR
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},
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{
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4, "ERR ", LOG_ERR
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},
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{
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8, "WARNING ", LOG_WARNING
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},
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{
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5, "WARN ", LOG_WARNING
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},
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{
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4, "WAR ", LOG_WARNING
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},
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{
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7, "NOTICE ", LOG_NOTICE
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},
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{
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5, "NOTE ", LOG_NOTICE
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},
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{
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4, "NOT ", LOG_NOTICE
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},
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{
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5, "INFO ", LOG_INFO
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},
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{
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4, "INF ", LOG_INFO
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},
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{
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6, "DEBUG ", LOG_DEBUG
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},
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{
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4, "DBG ", LOG_DEBUG
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},
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{
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0, "", LOG_ERR
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}
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/* The default */
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};
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if (inl < 0)
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return 0;
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if ((buf = OPENSSL_malloc(inl + 1)) == NULL)
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return 0;
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memcpy(buf, in, inl);
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buf[inl] = '\0';
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i = 0;
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while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
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i++;
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priority = mapping[i].log_level;
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pp = buf + mapping[i].strl;
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xsyslog(b, priority, pp);
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OPENSSL_free(buf);
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return ret;
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}
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static long slg_ctrl(BIO *b, int cmd, long num, void *ptr)
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{
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switch (cmd) {
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case BIO_CTRL_SET:
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xcloselog(b);
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xopenlog(b, ptr, num);
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break;
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default:
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break;
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}
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return 0;
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}
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static int slg_puts(BIO *bp, const char *str)
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{
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int n, ret;
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n = strlen(str);
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ret = slg_write(bp, str, n);
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return ret;
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}
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# if defined(OPENSSL_SYS_WIN32)
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static void xopenlog(BIO *bp, char *name, int level)
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{
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if (check_winnt())
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bp->ptr = RegisterEventSourceA(NULL, name);
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else
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bp->ptr = NULL;
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}
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static void xsyslog(BIO *bp, int priority, const char *string)
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{
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LPCSTR lpszStrings[2];
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WORD evtype = EVENTLOG_ERROR_TYPE;
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char pidbuf[DECIMAL_SIZE(DWORD) + 4];
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if (bp->ptr == NULL)
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return;
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switch (priority) {
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case LOG_EMERG:
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case LOG_ALERT:
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case LOG_CRIT:
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case LOG_ERR:
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evtype = EVENTLOG_ERROR_TYPE;
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break;
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case LOG_WARNING:
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evtype = EVENTLOG_WARNING_TYPE;
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break;
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case LOG_NOTICE:
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case LOG_INFO:
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case LOG_DEBUG:
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evtype = EVENTLOG_INFORMATION_TYPE;
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break;
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default:
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/*
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* Should never happen, but set it
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* as error anyway.
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*/
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evtype = EVENTLOG_ERROR_TYPE;
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break;
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}
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sprintf(pidbuf, "[%lu] ", GetCurrentProcessId());
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lpszStrings[0] = pidbuf;
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lpszStrings[1] = string;
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ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
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}
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static void xcloselog(BIO *bp)
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{
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if (bp->ptr)
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DeregisterEventSource((HANDLE) (bp->ptr));
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bp->ptr = NULL;
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}
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# elif defined(OPENSSL_SYS_VMS)
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static int VMS_OPC_target = LOG_DAEMON;
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static void xopenlog(BIO *bp, char *name, int level)
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{
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VMS_OPC_target = level;
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}
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static void xsyslog(BIO *bp, int priority, const char *string)
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{
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struct dsc$descriptor_s opc_dsc;
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/* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
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# if __INITIAL_POINTER_SIZE == 64
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# pragma pointer_size save
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# pragma pointer_size 32
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# define OPCDEF_TYPE __char_ptr32
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# define OPCDEF_MALLOC _malloc32
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# else /* __INITIAL_POINTER_SIZE == 64 */
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# define OPCDEF_TYPE char *
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# define OPCDEF_MALLOC OPENSSL_malloc
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# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
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struct opcdef *opcdef_p;
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# if __INITIAL_POINTER_SIZE == 64
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# pragma pointer_size restore
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# endif /* __INITIAL_POINTER_SIZE == 64 */
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char buf[10240];
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unsigned int len;
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struct dsc$descriptor_s buf_dsc;
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$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
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char *priority_tag;
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switch (priority) {
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case LOG_EMERG:
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priority_tag = "Emergency";
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break;
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case LOG_ALERT:
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priority_tag = "Alert";
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break;
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case LOG_CRIT:
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priority_tag = "Critical";
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break;
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case LOG_ERR:
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priority_tag = "Error";
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break;
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case LOG_WARNING:
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priority_tag = "Warning";
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break;
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case LOG_NOTICE:
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priority_tag = "Notice";
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break;
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case LOG_INFO:
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priority_tag = "Info";
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break;
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case LOG_DEBUG:
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priority_tag = "DEBUG";
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break;
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}
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buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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buf_dsc.dsc$b_class = DSC$K_CLASS_S;
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buf_dsc.dsc$a_pointer = buf;
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buf_dsc.dsc$w_length = sizeof(buf) - 1;
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lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
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/* We know there's an 8-byte header. That's documented. */
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opcdef_p = OPCDEF_MALLOC(8 + len);
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opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
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memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
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opcdef_p->opc$l_ms_rqstid = 0;
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memcpy(&opcdef_p->opc$l_ms_text, buf, len);
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opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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opc_dsc.dsc$b_class = DSC$K_CLASS_S;
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opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
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opc_dsc.dsc$w_length = len + 8;
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sys$sndopr(opc_dsc, 0);
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OPENSSL_free(opcdef_p);
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}
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static void xcloselog(BIO *bp)
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{
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}
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# else /* Unix/Watt32 */
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static void xopenlog(BIO *bp, char *name, int level)
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{
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# ifdef WATT32 /* djgpp/DOS */
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openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
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# else
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openlog(name, LOG_PID | LOG_CONS, level);
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# endif
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}
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static void xsyslog(BIO *bp, int priority, const char *string)
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{
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syslog(priority, "%s", string);
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}
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static void xcloselog(BIO *bp)
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{
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closelog();
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}
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# endif /* Unix */
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#else /* NO_SYSLOG */
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const BIO_METHOD *BIO_s_log(void)
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{
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return NULL;
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}
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#endif /* NO_SYSLOG */
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