* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions for writing log files. The code for maintaining datestamped
Arguments:
priority syslog priority
- s the string to be written, the string may be modified!
+ s the string to be written
Returns: nothing
*/
static void
-write_syslog(int priority, uschar *s)
+write_syslog(int priority, const uschar *s)
{
int len, pass;
int linecount = 0;
if (running_in_test_harness) return;
-if (!syslog_timestamp) s += log_timezone? 26 : 20;
if (!syslog_pid && LOGGING(pid))
- memmove(s + pid_position[0], s + pid_position[1], pid_position[1] - pid_position[0]);
+ s = string_sprintf("%.*s%s", (int)pid_position[0], s, s + pid_position[1]);
+if (!syslog_timestamp)
+ {
+ len = log_timezone ? 26 : 20;
+ if (LOGGING(millisec)) len += 4;
+ s += len;
+ }
len = Ustrlen(s);
{
int i;
int tlen;
- uschar *ss = s;
+ const uschar * ss = s;
for (i = 1, tlen = len; tlen > 0; i++)
{
int plen = tlen;
static void
die(uschar *s1, uschar *s2)
{
-if (s1 != NULL)
+if (s1)
{
write_syslog(LOG_CRIT, s1);
- if (debug_file != NULL) debug_printf("%s\n", s1);
+ if (debug_file) debug_printf("%s\n", s1);
if (log_stderr != NULL && log_stderr != debug_file)
fprintf(log_stderr, "%s\n", s1);
}
if (receive_call_bombout) receive_bomb_out(NULL, s2); /* does not return */
if (smtp_input) smtp_closedown(s2);
-exim_exit(EXIT_FAILURE);
+exim_exit(EXIT_FAILURE, NULL);
}
*lastslash = 0;
created = directory_make(NULL, name, LOG_DIRECTORY_MODE, FALSE);
DEBUG(D_any) debug_printf("%s log directory %s\n",
- created? "created" : "failed to create", name);
+ created ? "created" : "failed to create", name);
*lastslash = '/';
if (created) fd = Uopen(name,
#ifdef O_CLOEXEC
will be compared. The static slot for saving it is the same size as buffer,
and the text has been checked above to fit, so this use of strcpy() is OK. */
-if (type == lt_main)
+if (type == lt_main && string_datestamp_offset >= 0)
{
Ustrcpy(mainlog_name, buffer);
mainlog_datestamp = mainlog_name + string_datestamp_offset;
/* Ditto for the reject log */
-else if (type == lt_reject)
+else if (type == lt_reject && string_datestamp_offset >= 0)
{
Ustrcpy(rejectlog_name, buffer);
rejectlog_datestamp = rejectlog_name + string_datestamp_offset;
/* If the file name is too long, it is an unrecoverable disaster */
if (!ok)
- {
die(US"exim: log file path too long: aborting",
US"Logging failure; please try later");
- }
/* We now have the file name. Try to open an existing file. After a successful
open, arrange for automatic closure on exec(), and then return. */
}
if ((flags & (LOG_CONFIG_IN & ~LOG_CONFIG)) != 0)
- {
- sprintf(CS ptr, " in line %d of %s", config_lineno, config_filename);
- while (*ptr) ptr++;
- }
+ ptr += sprintf(CS ptr, " in line %d of %s", config_lineno, config_filename);
Ustrcpy(ptr, ":\n ");
return ptr + 4;
denied.
Avoid actually writing to the logs when exim is called with -bv or -bt to
-test an address, but take other actions, such as panicing.
+test an address, but take other actions, such as panicking.
In Exim proper, the buffer for building the message is got at start-up, so that
nothing gets done if it can't be got. However, some functions that are also
void
log_write(unsigned int selector, int flags, const char *format, ...)
{
-uschar *ptr;
+uschar * ptr;
int length;
int paniclogfd;
ssize_t written_len;
if (!(log_buffer = US malloc(LOG_BUFFER_SIZE)))
{
fprintf(stderr, "exim: failed to get store for log buffer\n");
- exim_exit(EXIT_FAILURE);
+ exim_exit(EXIT_FAILURE, NULL);
}
/* If we haven't already done so, inspect the setting of log_file_path to
}
}
- sprintf(CS ptr, "%s%s%s%s\n ",
+ ptr += sprintf(CS ptr, "%s%s%s%s\n ",
((flags & LOG_MAIN) != 0)? " MAIN" : "",
((flags & LOG_PANIC) != 0)? " PANIC" : "",
((flags & LOG_PANIC_DIE) == LOG_PANIC_DIE)? " DIE" : "",
((flags & LOG_REJECT) != 0)? " REJECT" : "");
- while(*ptr) ptr++;
if ((flags & LOG_CONFIG) != 0) ptr = log_config_info(ptr, flags);
va_start(ap, format);
when called by a utility. */
ptr = log_buffer;
-sprintf(CS ptr, "%s ", tod_stamp(tod_log));
-while(*ptr) ptr++;
+ptr += sprintf(CS ptr, "%s ", tod_stamp(tod_log));
if (LOGGING(pid))
{
- sprintf(CS ptr, "[%d] ", (int)getpid());
- if (!syslog_pid) pid_position[0] = ptr - log_buffer; // remember begin …
- while (*ptr) ptr++;
- if (!syslog_pid) pid_position[1] = ptr - log_buffer; // … and end+1 of the PID
+ if (!syslog_pid) pid_position[0] = ptr - log_buffer; /* remember begin … */
+ ptr += sprintf(CS ptr, "[%d] ", (int)getpid());
+ if (!syslog_pid) pid_position[1] = ptr - log_buffer; /* … and end+1 of the PID */
}
if (really_exim && message_id[0] != 0)
- {
- sprintf(CS ptr, "%s ", message_id);
- while(*ptr) ptr++;
- }
+ ptr += sprintf(CS ptr, "%s ", message_id);
if ((flags & LOG_CONFIG) != 0) ptr = log_config_info(ptr, flags);
if ((flags & LOG_SENDER) != 0 &&
ptr < log_buffer + LOG_BUFFER_SIZE - 10 - Ustrlen(raw_sender))
- {
- sprintf(CS ptr, " from <%s>", raw_sender);
- while (*ptr) ptr++;
- }
+ ptr += sprintf(CS ptr, " from <%s>", raw_sender);
/* Add list of recipients to the message if required; the raw list,
before rewriting, was saved in raw_recipients. There may be none, if an ACL
raw_recipients_count > 0)
{
int i;
- sprintf(CS ptr, " for");
- while (*ptr) ptr++;
+ ptr += sprintf(CS ptr, " for");
for (i = 0; i < raw_recipients_count; i++)
{
- uschar *s = raw_recipients[i];
+ uschar * s = raw_recipients[i];
if (log_buffer + LOG_BUFFER_SIZE - ptr < Ustrlen(s) + 3) break;
- sprintf(CS ptr, " %s", s);
- while (*ptr) ptr++;
+ ptr += sprintf(CS ptr, " %s", s);
}
}
-sprintf(CS ptr, "\n");
-while(*ptr) ptr++;
+ptr += sprintf(CS ptr, "\n");
length = ptr - log_buffer;
/* Handle loggable errors when running a utility, or when address testing.
else
fprintf(log_stderr, "%s", CS log_buffer);
}
- if ((flags & LOG_PANIC_DIE) == LOG_PANIC_DIE) exim_exit(EXIT_FAILURE);
+ if ((flags & LOG_PANIC_DIE) == LOG_PANIC_DIE) exim_exit(EXIT_FAILURE, US"");
return;
}
operation. This happens at midnight, at which point we want to roll over
the file. Closing it has the desired effect. */
- if (mainlog_datestamp != NULL)
+ if (mainlog_datestamp)
{
uschar *nowstamp = tod_stamp(string_datestamp_type);
if (Ustrncmp (mainlog_datestamp, nowstamp, Ustrlen(nowstamp)) != 0)
/* A header with a NULL text is an unfilled in Received: header */
- for (h = header_list; h != NULL; h = h->next)
+ for (h = header_list; h; h = h->next) if (h->text)
{
- BOOL fitted;
- if (h->text == NULL) continue;
- fitted = string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
+ BOOL fitted = string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
"%c %s", h->type, h->text);
while(*ptr) ptr++;
if (!fitted) /* Buffer is full; truncate */
{
struct stat statbuf;
- if (rejectlog_datestamp != NULL)
+ if (rejectlog_datestamp)
{
uschar *nowstamp = tod_stamp(string_datestamp_type);
if (Ustrncmp (rejectlog_datestamp, nowstamp, Ustrlen(nowstamp)) != 0)
fprintf(log_stderr, "%s", CS log_buffer);
if ((logging_mode & LOG_MODE_SYSLOG) != 0)
- {
write_syslog(LOG_ALERT, log_buffer);
- }
/* If this panic logging was caused by a failure to open the main log,
the original log line is in panic_save_buffer. Make an attempt to write it. */
projects / exim.git / blobdiff