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cleaned up the errorlog writing, default is now stderr, syslog is requested explicitly 

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.3.x@475 152afb58-edef-0310-8abb-c4023f1b3aa9
This commit is contained in:
Jan Kneschke 2005-07-26 08:26:28 +00:00
parent 61a1e9b2ec
commit adcc83d26f
7 changed files with 109 additions and 87 deletions
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15
src/base.h
View File

@ -407,13 +407,15 @@ typedef struct {
typedef struct {
unsigned short port;
buffer *bindhost;
buffer *error_logfile;
buffer *errorlog_file;
unsigned short errorlog_use_syslog;
unsigned short dont_daemonize;
buffer *changeroot;
buffer *username;
buffer *groupname;
buffer *license;
buffer *pid_file;
buffer *event_handler;
@ -455,13 +457,17 @@ typedef struct {
typedef struct {
server_socket_array srv_sockets;
int log_error_fd;
int log_using_syslog;
/* the errorlog */
int errorlog_fd;
enum { ERRORLOG_STDERR, ERRORLOG_FILE, ERRORLOG_SYSLOG } errorlog_mode;
buffer *errorlog_buf;
fdevents *ev, *ev_ins;
buffer_plugin plugins;
void *plugin_slots;
/* counters */
int con_opened;
int con_read;
int con_written;
@ -477,7 +483,6 @@ typedef struct {
/* buffers */
buffer *parse_full_path;
buffer *response_header;
buffer *error_log;
buffer *response_range;
buffer *tmp_buf;

5
src/config.c
View File

@ -76,6 +76,7 @@ static int config_insert(server *srv) {
{ "dir-listing.external-css", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 40 */
{ "dir-listing.encoding", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 41 */
{ "server.errorlog-use-syslog", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 42 */
{ "server.host", "use server.bind instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET },
{ "server.docroot", "use server.document-root instead", T_CONFIG_DEPRECATED, T_CONFIG_SCOPE_UNSET },
@ -92,7 +93,7 @@ static int config_insert(server *srv) {
/* 0 */
cv[0].destination = srv->srvconf.bindhost;
cv[1].destination = srv->srvconf.error_logfile;
cv[1].destination = srv->srvconf.errorlog_file;
cv[3].destination = srv->srvconf.changeroot;
cv[4].destination = srv->srvconf.username;
cv[5].destination = srv->srvconf.groupname;
@ -107,6 +108,8 @@ static int config_insert(server *srv) {
cv[36].destination = &(srv->srvconf.log_request_header_on_error);
cv[37].destination = &(srv->srvconf.log_state_handling);
cv[42].destination = &(srv->srvconf.errorlog_use_syslog);
srv->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
assert(srv->config_storage);

138
src/log.c
View File

@ -32,8 +32,12 @@
/**
* open the errorlog
*
* we have 3 possibilities:
* - stderr (default)
* - syslog
* - logfile
*
* if the open failed, report to the user and die
* if no filename is given, use syslog instead
*
*/
@ -41,10 +45,18 @@ int log_error_open(server *srv) {
int fd;
int close_stderr = 1;
if (srv->srvconf.error_logfile->used) {
const char *logfile = srv->srvconf.error_logfile->ptr;
#ifdef HAVE_SYSLOG_H
/* perhaps someone wants to use syslog() */
openlog("lighttpd", LOG_CONS | LOG_PID, LOG_DAEMON);
#endif
srv->errorlog_mode = ERRORLOG_STDERR;
if (srv->srvconf.errorlog_use_syslog) {
srv->errorlog_mode = ERRORLOG_SYSLOG;
} else if (!buffer_is_empty(srv->srvconf.errorlog_file)) {
const char *logfile = srv->srvconf.errorlog_file->ptr;
if (-1 == (srv->log_error_fd = open(logfile, O_APPEND | O_WRONLY | O_CREAT | O_LARGEFILE, 0644))) {
if (-1 == (srv->errorlog_fd = open(logfile, O_APPEND | O_WRONLY | O_CREAT | O_LARGEFILE, 0644))) {
log_error_write(srv, __FILE__, __LINE__, "SSSS",
"opening errorlog '", logfile,
"' failed: ", strerror(errno));
@ -53,15 +65,9 @@ int log_error_open(server *srv) {
}
#ifdef FD_CLOEXEC
/* close fd on exec (cgi) */
fcntl(srv->log_error_fd, F_SETFD, FD_CLOEXEC);
#endif
} else {
srv->log_error_fd = -1;
#ifdef HAVE_SYSLOG_H
/* syslog-mode */
srv->log_using_syslog = 1;
openlog("lighttpd", LOG_CONS, LOG_LOCAL0);
fcntl(srv->errorlog_fd, F_SETFD, FD_CLOEXEC);
#endif
srv->errorlog_mode = ERRORLOG_FILE;
}
log_error_write(srv, __FILE__, __LINE__, "s", "server started");
@ -70,7 +76,8 @@ int log_error_open(server *srv) {
/* don't close stderr for debugging purposes if run in valgrind */
if (RUNNING_ON_VALGRIND) close_stderr = 0;
#endif
if (srv->errorlog_mode == ERRORLOG_STDERR) close_stderr = 0;
/* move stderr to /dev/null */
if (close_stderr &&
-1 != (fd = open("/dev/null", O_WRONLY))) {
@ -92,8 +99,8 @@ int log_error_open(server *srv) {
int log_error_cycle(server *srv) {
/* only cycle if we are not in syslog-mode */
if (0 == srv->log_using_syslog) {
const char *logfile = srv->srvconf.error_logfile->ptr;
if (srv->errorlog_mode == ERRORLOG_FILE) {
const char *logfile = srv->srvconf.errorlog_file->ptr;
/* already check of opening time */
int new_fd;
@ -105,18 +112,15 @@ int log_error_cycle(server *srv) {
"' failed: ", strerror(errno),
", falling back to syslog()");
close(srv->log_error_fd);
srv->log_error_fd = -1;
close(srv->errorlog_fd);
srv->errorlog_fd = -1;
#ifdef HAVE_SYSLOG_H
/* fall back to syslog() */
srv->log_using_syslog = 1;
openlog("lighttpd", LOG_CONS, LOG_LOCAL0);
srv->errorlog_mode = ERRORLOG_SYSLOG;
#endif
} else {
/* ok, new log is open, close the old one */
close(srv->log_error_fd);
srv->log_error_fd = new_fd;
close(srv->errorlog_fd);
srv->errorlog_fd = new_fd;
}
}
@ -128,12 +132,17 @@ int log_error_cycle(server *srv) {
int log_error_close(server *srv) {
log_error_write(srv, __FILE__, __LINE__, "s", "server stopped");
if (srv->log_error_fd >= 0) {
close(srv->log_error_fd);
} else if(srv->log_using_syslog) {
switch(srv->errorlog_mode) {
case ERRORLOG_FILE:
close(srv->errorlog_fd);
break;
case ERRORLOG_SYSLOG:
#ifdef HAVE_SYSLOG_H
closelog();
#endif
break;
case ERRORLOG_STDERR:
break;
}
return 0;
@ -142,7 +151,9 @@ int log_error_close(server *srv) {
int log_error_write(server *srv, const char *filename, unsigned int line, const char *fmt, ...) {
va_list ap;
if (srv->log_using_syslog == 0) {
switch(srv->errorlog_mode) {
case ERRORLOG_FILE:
case ERRORLOG_STDERR:
/* cache the generated timestamp */
if (srv->cur_ts != srv->last_generated_debug_ts) {
buffer_prepare_copy(srv->ts_debug_str, 255);
@ -152,15 +163,19 @@ int log_error_write(server *srv, const char *filename, unsigned int line, const
srv->last_generated_debug_ts = srv->cur_ts;
}
buffer_copy_string_buffer(srv->error_log, srv->ts_debug_str);
BUFFER_APPEND_STRING_CONST(srv->error_log, ": (");
} else {
BUFFER_COPY_STRING_CONST(srv->error_log, "(");
buffer_copy_string_buffer(srv->errorlog_buf, srv->ts_debug_str);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, ": (");
break;
case ERRORLOG_SYSLOG:
/* syslog is generating its own timestamps */
BUFFER_COPY_STRING_CONST(srv->errorlog_buf, "(");
break;
}
buffer_append_string(srv->error_log, filename);
BUFFER_APPEND_STRING_CONST(srv->error_log, ".");
buffer_append_long(srv->error_log, line);
BUFFER_APPEND_STRING_CONST(srv->error_log, ") ");
buffer_append_string(srv->errorlog_buf, filename);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, ".");
buffer_append_long(srv->errorlog_buf, line);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, ") ");
for(va_start(ap, fmt); *fmt; fmt++) {
@ -172,41 +187,41 @@ int log_error_write(server *srv, const char *filename, unsigned int line, const
switch(*fmt) {
case 's': /* string */
s = va_arg(ap, char *);
buffer_append_string(srv->error_log, s);
BUFFER_APPEND_STRING_CONST(srv->error_log, " ");
buffer_append_string(srv->errorlog_buf, s);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, " ");
break;
case 'b': /* buffer */
b = va_arg(ap, buffer *);
buffer_append_string_buffer(srv->error_log, b);
BUFFER_APPEND_STRING_CONST(srv->error_log, " ");
buffer_append_string_buffer(srv->errorlog_buf, b);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, " ");
break;
case 'd': /* int */
d = va_arg(ap, int);
buffer_append_long(srv->error_log, d);
BUFFER_APPEND_STRING_CONST(srv->error_log, " ");
buffer_append_long(srv->errorlog_buf, d);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, " ");
break;
case 'o': /* off_t */
o = va_arg(ap, off_t);
buffer_append_off_t(srv->error_log, o);
BUFFER_APPEND_STRING_CONST(srv->error_log, " ");
buffer_append_off_t(srv->errorlog_buf, o);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, " ");
break;
case 'x': /* int (hex) */
d = va_arg(ap, int);
BUFFER_APPEND_STRING_CONST(srv->error_log, "0x");
buffer_append_hex(srv->error_log, d);
BUFFER_APPEND_STRING_CONST(srv->error_log, " ");
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, "0x");
buffer_append_hex(srv->errorlog_buf, d);
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, " ");
break;
case 'S': /* string */
s = va_arg(ap, char *);
buffer_append_string(srv->error_log, s);
buffer_append_string(srv->errorlog_buf, s);
break;
case 'B': /* buffer */
b = va_arg(ap, buffer *);
buffer_append_string_buffer(srv->error_log, b);
buffer_append_string_buffer(srv->errorlog_buf, b);
break;
case 'D': /* int */
d = va_arg(ap, int);
buffer_append_long(srv->error_log, d);
buffer_append_long(srv->errorlog_buf, d);
break;
case '(':
case ')':
@ -214,23 +229,24 @@ int log_error_write(server *srv, const char *filename, unsigned int line, const
case '>':
case ',':
case ' ':
buffer_append_string_len(srv->error_log, fmt, 1);
buffer_append_string_len(srv->errorlog_buf, fmt, 1);
break;
}
}
va_end(ap);
BUFFER_APPEND_STRING_CONST(srv->error_log, "\n");
if (srv->log_error_fd >= 0) {
write(srv->log_error_fd, srv->error_log->ptr, srv->error_log->used - 1);
} else if (srv->log_using_syslog == 0) {
/* only available at startup time */
write(STDERR_FILENO, srv->error_log->ptr, srv->error_log->used - 1);
} else {
#ifdef HAVE_SYSLOG_H
syslog(LOG_ERR, "%s", srv->error_log->ptr);
#endif
switch(srv->errorlog_mode) {
case ERRORLOG_FILE:
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, "\n");
write(srv->errorlog_fd, srv->errorlog_buf->ptr, srv->errorlog_buf->used - 1);
break;
case ERRORLOG_STDERR:
BUFFER_APPEND_STRING_CONST(srv->errorlog_buf, "\n");
write(STDERR_FILENO, srv->errorlog_buf->ptr, srv->errorlog_buf->used - 1);
break;
case ERRORLOG_SYSLOG:
syslog(LOG_ERR, "%s", srv->errorlog_buf->ptr);
break;
}
return 0;

7
src/mod_accesslog.c
View File

@ -445,13 +445,6 @@ SETDEFAULTS_FUNC(log_access_open) {
}
if (s->use_syslog) {
if (srv->log_using_syslog == 0) {
log_error_write(srv, __FILE__, __LINE__, "s",
"accesslog can only be written to syslog if errorlog is also sent to syslog. ABORTING.");
return HANDLER_ERROR;
}
/* ignore the next checks */
continue;
}

11
src/mod_cgi.c
View File

@ -741,9 +741,14 @@ static int cgi_create_env(server *srv, connection *con, plugin_data *p, buffer *
/* not needed */
close(to_cgi_fds[1]);
if (srv->log_error_fd >= 0) {
/* HACK:
* this is not nice, but it works
*
* we feed the stderr of the CGI to our errorlog, if possible
*/
if (srv->errorlog_mode == ERRORLOG_FILE) {
close(STDERR_FILENO);
dup2(srv->log_error_fd, STDERR_FILENO);
dup2(srv->errorlog_fd, STDERR_FILENO);
}
/* create environment */
@ -921,7 +926,7 @@ static int cgi_create_env(server *srv, connection *con, plugin_data *p, buffer *
/* we don't need the client socket */
for (i = 3; i < 256; i++) {
if (i != srv->log_error_fd) close(i);
if (i != srv->errorlog_fd) close(i);
}
/* exec the cgi */

7
src/mod_rrdtool.c
View File

@ -132,9 +132,10 @@ int mod_rrd_create_pipe(server *srv, plugin_data *p) {
close(to_rrdtool_fds[1]);
close(STDERR_FILENO);
if (srv->log_error_fd != -1) {
dup2(srv->log_error_fd, STDERR_FILENO);
close(srv->log_error_fd);
if (srv->errorlog_mode == ERRORLOG_FILE) {
dup2(srv->errorlog_fd, STDERR_FILENO);
close(srv->errorlog_fd);
}
/* set up args */

13
src/server.c
View File

@ -122,7 +122,7 @@ static server *server_init(void) {
CLEAN(parse_full_path);
CLEAN(ts_debug_str);
CLEAN(ts_date_str);
CLEAN(error_log);
CLEAN(errorlog_buf);
CLEAN(response_range);
CLEAN(tmp_buf);
CLEAN(file_cache_etag);
@ -131,12 +131,11 @@ static server *server_init(void) {
buffer_copy_string(srv->empty_string, "");
CLEAN(srvconf.error_logfile);
CLEAN(srvconf.errorlog_file);
CLEAN(srvconf.groupname);
CLEAN(srvconf.username);
CLEAN(srvconf.changeroot);
CLEAN(srvconf.bindhost);
CLEAN(srvconf.license);
CLEAN(srvconf.event_handler);
CLEAN(srvconf.pid_file);
@ -172,7 +171,8 @@ static server *server_init(void) {
srv->srvconf.modules = array_init();
/* use syslog */
srv->log_error_fd = -1;
srv->errorlog_fd = -1;
srv->errorlog_mode = ERRORLOG_STDERR;
srv->split_vals = array_init();
@ -203,19 +203,18 @@ static void server_free(server *srv) {
CLEAN(parse_full_path);
CLEAN(ts_debug_str);
CLEAN(ts_date_str);
CLEAN(error_log);
CLEAN(errorlog_buf);
CLEAN(response_range);
CLEAN(tmp_buf);
CLEAN(file_cache_etag);
CLEAN(range_buf);
CLEAN(empty_string);
CLEAN(srvconf.error_logfile);
CLEAN(srvconf.errorlog_file);
CLEAN(srvconf.groupname);
CLEAN(srvconf.username);
CLEAN(srvconf.changeroot);
CLEAN(srvconf.bindhost);
CLEAN(srvconf.license);
CLEAN(srvconf.event_handler);
CLEAN(srvconf.pid_file);