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cups/scheduler/log.c

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/*
* Log file routines for the CUPS scheduler.
*
* Copyright © 2007-2018 by Apple Inc.
* Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include "cupsd.h"
#include <stdarg.h>
#ifdef HAVE_ASL_H
# include <asl.h>
#elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
# define SD_JOURNAL_SUPPRESS_LOCATION
# include <systemd/sd-journal.h>
#endif /* HAVE_ASL_H */
#include <syslog.h>
/*
* Constants for log keys from PWG 5110.3 (PWG Common Log Format)...
*/
#define PWG_DeviceUUID "DUU"
#define PWG_Event "E"
#define PWG_LogNaturalLanguage "NL"
#define PWG_Status "S"
#define PWG_ServiceURI "URI"
#define PWG_UserHost "UH"
#define PWG_UserName "UN"
#define PWG_UserURI "UU"
#define PWG_ServiceIsAcceptingJobs "IAJ"
#define PWG_ServiceState "ST"
#define PWG_ServiceStateReasons "SR"
#define PWG_ServiceUUID "SUU"
#define PWG_JobID "JID"
#define PWG_JobUUID "JUU"
#define PWG_JobImagesCompleted "JIM"
#define PWG_JobImpressionsCompleted "JIC"
#define PWG_JobDestinationURI "JD"
#define PWG_JobState "JS"
#define PWG_JobStateReasons "JR"
#define PWG_JobAccountingID "JA"
#define PWG_JobAcountingUserName "JAUN"
#define PWG_JobAccountingUserURI "JAUU"
/*
* Local globals...
*/
static _cups_mutex_t log_mutex = _CUPS_MUTEX_INITIALIZER;
/* Mutex for logging */
static size_t log_linesize = 0; /* Size of line for output file */
static char *log_line = NULL; /* Line for output file */
#ifdef HAVE_ASL_H
static const int log_levels[] = /* ASL levels... */
{
ASL_LEVEL_EMERG,
ASL_LEVEL_EMERG,
ASL_LEVEL_ALERT,
ASL_LEVEL_CRIT,
ASL_LEVEL_ERR,
ASL_LEVEL_WARNING,
ASL_LEVEL_NOTICE,
ASL_LEVEL_INFO,
ASL_LEVEL_DEBUG,
ASL_LEVEL_DEBUG
};
#elif defined(HAVE_VSYSLOG) || defined(HAVE_SYSTEMD_SD_JOURNAL_H)
static const int log_levels[] = /* SYSLOG levels... */
{
0,
LOG_EMERG,
LOG_ALERT,
LOG_CRIT,
LOG_ERR,
LOG_WARNING,
LOG_NOTICE,
LOG_INFO,
LOG_DEBUG,
LOG_DEBUG
};
#endif /* HAVE_ASL_H */
/*
* Local functions...
*/
static int format_log_line(const char *message, va_list ap);
/*
* 'cupsdCheckLogFile()' - Open/rotate a log file if it needs it.
*/
int /* O - 1 if log file open */
cupsdCheckLogFile(cups_file_t **lf, /* IO - Log file */
const char *logname) /* I - Log filename */
{
char backname[1024], /* Backup log filename */
filename[1024], /* Formatted log filename */
*ptr; /* Pointer into filename */
const char *logptr; /* Pointer into log filename */
/*
* See if we have a log file to check...
*/
if (!lf || !logname || !logname[0])
return (1);
/*
* Handle logging to stderr...
*/
if (!strcmp(logname, "stderr"))
{
*lf = LogStderr;
return (1);
}
/*
* Format the filename as needed...
*/
if (!*lf ||
(strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize &&
MaxLogSize > 0))
{
/*
* Handle format strings...
*/
filename[sizeof(filename) - 1] = '\0';
if (logname[0] != '/')
{
strlcpy(filename, ServerRoot, sizeof(filename));
strlcat(filename, "/", sizeof(filename));
}
else
filename[0] = '\0';
for (logptr = logname, ptr = filename + strlen(filename);
*logptr && ptr < (filename + sizeof(filename) - 1);
logptr ++)
if (*logptr == '%')
{
/*
* Format spec...
*/
logptr ++;
if (*logptr == 's')
{
/*
* Insert the server name...
*/
strlcpy(ptr, ServerName, sizeof(filename) - (size_t)(ptr - filename));
ptr += strlen(ptr);
}
else
{
/*
* Otherwise just insert the character...
*/
*ptr++ = *logptr;
}
}
else
*ptr++ = *logptr;
*ptr = '\0';
}
/*
* See if the log file is open...
*/
if (!*lf)
{
/*
* Nope, open the log file...
*/
if ((*lf = cupsFileOpen(filename, "a")) == NULL)
{
/*
* If the file is in CUPS_LOGDIR then try to create a missing directory...
*/
if (!strncmp(filename, CUPS_LOGDIR, strlen(CUPS_LOGDIR)))
{
/*
* Try updating the permissions of the containing log directory, using
* the log file permissions as a basis...
*/
mode_t log_dir_perm = (mode_t)(0300 | LogFilePerm);
/* LogFilePerm + owner write/search */
if (log_dir_perm & 0040)
log_dir_perm |= 0010; /* Add group search */
if (log_dir_perm & 0004)
log_dir_perm |= 0001; /* Add other search */
cupsdCheckPermissions(CUPS_LOGDIR, NULL, log_dir_perm, RunUser, Group, 1, -1);
*lf = cupsFileOpen(filename, "a");
}
if (*lf == NULL)
{
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
sd_journal_print(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, strerror(errno));
#else
syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, strerror(errno));
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
if (FatalErrors & CUPSD_FATAL_LOG)
cupsdEndProcess(getpid(), 0);
return (0);
}
}
if (strncmp(filename, "/dev/", 5))
{
/*
* Change ownership and permissions of non-device logs...
*/
fchown(cupsFileNumber(*lf), RunUser, Group);
fchmod(cupsFileNumber(*lf), LogFilePerm);
}
}
/*
* Do we need to rotate the log?
*/
if (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize &&
MaxLogSize > 0)
{
/*
* Rotate log file...
*/
cupsFileClose(*lf);
strlcpy(backname, filename, sizeof(backname));
strlcat(backname, ".O", sizeof(backname));
unlink(backname);
rename(filename, backname);
if ((*lf = cupsFileOpen(filename, "a")) == NULL)
{
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
sd_journal_print(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, strerror(errno));
#else
syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, strerror(errno));
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
if (FatalErrors & CUPSD_FATAL_LOG)
cupsdEndProcess(getpid(), 0);
return (0);
}
/*
* Change ownership and permissions of non-device logs...
*/
fchown(cupsFileNumber(*lf), RunUser, Group);
fchmod(cupsFileNumber(*lf), LogFilePerm);
}
return (1);
}
/*
* 'cupsdGetDateTime()' - Returns a pointer to a date/time string.
*/
char * /* O - Date/time string */
cupsdGetDateTime(struct timeval *t, /* I - Time value or NULL for current */
cupsd_time_t format) /* I - Format to use */
{
struct timeval curtime; /* Current time value */
struct tm date; /* Date/time value */
static struct timeval last_time = { 0, 0 };
/* Last time we formatted */
static char s[1024]; /* Date/time string */
static const char * const months[12] =/* Months */
{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
};
/*
* Make sure we have a valid time...
*/
if (!t)
{
gettimeofday(&curtime, NULL);
t = &curtime;
}
if (t->tv_sec != last_time.tv_sec ||
(LogTimeFormat == CUPSD_TIME_USECS && t->tv_usec != last_time.tv_usec))
{
last_time = *t;
/*
* Get the date and time from the UNIX time value, and then format it
* into a string. Note that we *can't* use the strftime() function since
* it is localized and will seriously confuse automatic programs if the
* month names are in the wrong language!
*
* Also, we use the "timezone" variable that contains the current timezone
* offset from GMT in seconds so that we are reporting local time in the
* log files. If you want GMT, set the TZ environment variable accordingly
* before starting the scheduler.
*
* (*BSD and Darwin store the timezone offset in the tm structure)
*/
localtime_r(&(t->tv_sec), &date);
if (format == CUPSD_TIME_STANDARD)
snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d %+03ld%02ld]",
date.tm_mday, months[date.tm_mon], 1900 + date.tm_year,
date.tm_hour, date.tm_min, date.tm_sec,
#ifdef HAVE_TM_GMTOFF
date.tm_gmtoff / 3600, (date.tm_gmtoff / 60) % 60);
#else
timezone / 3600, (timezone / 60) % 60);
#endif /* HAVE_TM_GMTOFF */
else
snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d.%06d %+03ld%02ld]",
date.tm_mday, months[date.tm_mon], 1900 + date.tm_year,
date.tm_hour, date.tm_min, date.tm_sec, (int)t->tv_usec,
#ifdef HAVE_TM_GMTOFF
date.tm_gmtoff / 3600, (date.tm_gmtoff / 60) % 60);
#else
timezone / 3600, (timezone / 60) % 60);
#endif /* HAVE_TM_GMTOFF */
}
return (s);
}
/*
* 'cupsdLogFCMessage()' - Log a file checking message.
*/
void
cupsdLogFCMessage(
void *context, /* I - Printer (if any) */
_cups_fc_result_t result, /* I - Check result */
const char *message) /* I - Message to log */
{
cupsd_printer_t *p = (cupsd_printer_t *)context;
/* Printer */
cupsd_loglevel_t level; /* Log level */
if (result == _CUPS_FILE_CHECK_OK)
level = CUPSD_LOG_DEBUG2;
else
level = CUPSD_LOG_ERROR;
if (p)
{
cupsdLogMessage(level, "%s: %s", p->name, message);
if (result == _CUPS_FILE_CHECK_MISSING ||
result == _CUPS_FILE_CHECK_WRONG_TYPE)
{
strlcpy(p->state_message, message, sizeof(p->state_message));
if (cupsdSetPrinterReasons(p, "+cups-missing-filter-warning"))
cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message);
}
else if (result == _CUPS_FILE_CHECK_PERMISSIONS ||
result == _CUPS_FILE_CHECK_RELATIVE_PATH)
{
strlcpy(p->state_message, message, sizeof(p->state_message));
if (cupsdSetPrinterReasons(p, "+cups-insecure-filter-warning"))
cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message);
}
}
else
cupsdLogMessage(level, "%s", message);
}
#ifdef HAVE_GSSAPI
/*
* 'cupsdLogGSSMessage()' - Log a GSSAPI error...
*/
int /* O - 1 on success, 0 on error */
cupsdLogGSSMessage(
int level, /* I - Log level */
OM_uint32 major_status, /* I - Major GSSAPI status */
OM_uint32 minor_status, /* I - Minor GSSAPI status */
const char *message, /* I - printf-style message string */
...) /* I - Additional args as needed */
{
OM_uint32 err_major_status, /* Major status code for display */
err_minor_status; /* Minor status code for display */
OM_uint32 msg_ctx; /* Message context */
gss_buffer_desc major_status_string = GSS_C_EMPTY_BUFFER,
/* Major status message */
minor_status_string = GSS_C_EMPTY_BUFFER;
/* Minor status message */
int ret; /* Return value */
char buffer[8192]; /* Buffer for vsnprintf */
if (strchr(message, '%'))
{
/*
* Format the message string...
*/
va_list ap; /* Pointer to arguments */
va_start(ap, message);
vsnprintf(buffer, sizeof(buffer), message, ap);
va_end(ap);
message = buffer;
}
msg_ctx = 0;
err_major_status = gss_display_status(&err_minor_status,
major_status,
GSS_C_GSS_CODE,
GSS_C_NO_OID,
&msg_ctx,
&major_status_string);
if (!GSS_ERROR(err_major_status))
gss_display_status(&err_minor_status, minor_status, GSS_C_MECH_CODE,
GSS_C_NULL_OID, &msg_ctx, &minor_status_string);
ret = cupsdLogMessage(level, "%s: %s, %s", message,
(char *)major_status_string.value,
(char *)minor_status_string.value);
gss_release_buffer(&err_minor_status, &major_status_string);
gss_release_buffer(&err_minor_status, &minor_status_string);
return (ret);
}
#endif /* HAVE_GSSAPI */
/*
* 'cupsdLogClient()' - Log a client message.
*/
int /* O - 1 on success, 0 on error */
cupsdLogClient(cupsd_client_t *con, /* I - Client connection */
int level, /* I - Log level */
const char *message, /* I - Printf-style message string */
...) /* I - Additional arguments as needed */
{
va_list ap, ap2; /* Argument pointers */
char clientmsg[1024];/* Format string for client message */
int status; /* Formatting status */
/*
* See if we want to log this message...
*/
if (TestConfigFile || !ErrorLog)
return (1);
if (level > LogLevel)
return (1);
/*
* Format and write the log message...
*/
if (con)
snprintf(clientmsg, sizeof(clientmsg), "[Client %d] %s", con->number,
message);
else
strlcpy(clientmsg, message, sizeof(clientmsg));
va_start(ap, message);
do
{
va_copy(ap2, ap);
status = format_log_line(clientmsg, ap2);
va_end(ap2);
}
while (status == 0);
va_end(ap);
if (status > 0)
return (cupsdWriteErrorLog(level, log_line));
else
return (cupsdWriteErrorLog(CUPSD_LOG_ERROR,
"Unable to allocate memory for log line."));
}
/*
* 'cupsdLogJob()' - Log a job message.
*/
int /* O - 1 on success, 0 on error */
cupsdLogJob(cupsd_job_t *job, /* I - Job */
int level, /* I - Log level */
const char *message, /* I - Printf-style message string */
...) /* I - Additional arguments as needed */
{
va_list ap, ap2; /* Argument pointers */
char jobmsg[1024]; /* Format string for job message */
int status; /* Formatting status */
/*
* See if we want to log this message...
*/
if (TestConfigFile || !ErrorLog)
return (1);
if (level > LogLevel && LogDebugHistory <= 0)
return (1);
/*
* Format and write the log message...
*/
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
if (job && strcmp(ErrorLog, "syslog"))
#else
if (job)
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
snprintf(jobmsg, sizeof(jobmsg), "[Job %d] %s", job->id, message);
else
strlcpy(jobmsg, message, sizeof(jobmsg));
va_start(ap, message);
do
{
va_copy(ap2, ap);
status = format_log_line(jobmsg, ap2);
va_end(ap2);
}
while (status == 0);
va_end(ap);
if (status > 0)
{
if (job && level > LogLevel && LogDebugHistory > 0)
{
/*
* Add message to the job history...
*/
cupsd_joblog_t *temp; /* Copy of log message */
size_t log_len = strlen(log_line);
/* Length of log message */
if ((temp = malloc(sizeof(cupsd_joblog_t) + log_len)) != NULL)
{
temp->time = time(NULL);
memcpy(temp->message, log_line, log_len + 1);
}
if (!job->history)
job->history = cupsArrayNew(NULL, NULL);
if (job->history && temp)
{
cupsArrayAdd(job->history, temp);
if (cupsArrayCount(job->history) > LogDebugHistory)
{
/*
* Remove excess messages...
*/
temp = cupsArrayFirst(job->history);
cupsArrayRemove(job->history, temp);
free(temp);
}
}
else if (temp)
free(temp);
return (1);
}
else if (level <= LogLevel)
{
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
if (!strcmp(ErrorLog, "syslog"))
{
cupsd_printer_t *printer = job ? (job->printer ? job->printer : (job->dest ? cupsdFindDest(job->dest) : NULL)) : NULL;
static const char * const job_states[] =
{ /* job-state strings */
"Pending",
"PendingHeld",
"Processing",
"ProcessingStopped",
"Canceled",
"Aborted",
"Completed"
};
if (job)
sd_journal_send("MESSAGE=%s", log_line,
"PRIORITY=%i", log_levels[level],
PWG_Event"=JobStateChanged",
PWG_ServiceURI"=%s", printer ? printer->uri : "",
PWG_JobID"=%d", job->id,
PWG_JobState"=%s", job->state_value < IPP_JSTATE_PENDING ? "" : job_states[job->state_value - IPP_JSTATE_PENDING],
PWG_JobImpressionsCompleted"=%d", ippGetInteger(job->impressions, 0),
NULL);
else
sd_journal_send("MESSAGE=%s", log_line,
"PRIORITY=%i", log_levels[level],
NULL);
return (1);
}
else
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
return (cupsdWriteErrorLog(level, log_line));
}
else
return (1);
}
else
return (cupsdWriteErrorLog(CUPSD_LOG_ERROR,
"Unable to allocate memory for log line."));
}
/*
* 'cupsdLogMessage()' - Log a message to the error log file.
*/
int /* O - 1 on success, 0 on error */
cupsdLogMessage(int level, /* I - Log level */
const char *message, /* I - printf-style message string */
...) /* I - Additional args as needed */
{
va_list ap, ap2; /* Argument pointers */
int status; /* Formatting status */
/*
* See if we want to log this message...
*/
if (TestConfigFile && level <= CUPSD_LOG_WARN)
{
va_start(ap, message);
vfprintf(stderr, message, ap);
putc('\n', stderr);
va_end(ap);
return (1);
}
else if (!ErrorLog && level <= CUPSD_LOG_WARN)
{
va_start(ap, message);
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
sd_journal_printv(log_levels[level], message, ap);
#elif defined(HAVE_VSYSLOG)
vsyslog(LOG_LPR | log_levels[level], message, ap);
#else
vfprintf(stderr, message, ap);
putc('\n', stderr);
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
va_end(ap);
return (1);
}
else if (level > LogLevel || !ErrorLog)
return (1);
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
else if (!strcmp(ErrorLog, "syslog"))
{
va_start(ap, message);
sd_journal_printv(log_levels[level], message, ap);
va_end(ap);
return (1);
}
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
/*
* Format and write the log message...
*/
va_start(ap, message);
do
{
va_copy(ap2, ap);
status = format_log_line(message, ap2);
va_end(ap2);
}
while (status == 0);
va_end(ap);
if (status > 0)
return (cupsdWriteErrorLog(level, log_line));
else
return (cupsdWriteErrorLog(CUPSD_LOG_ERROR,
"Unable to allocate memory for log line!"));
}
/*
* 'cupsdLogPage()' - Log a page to the page log file.
*/
int /* O - 1 on success, 0 on error */
cupsdLogPage(cupsd_job_t *job, /* I - Job being printed */
const char *page) /* I - Page being printed */
{
int i; /* Looping var */
char buffer[2048], /* Buffer for page log */
*bufptr, /* Pointer into buffer */
name[256]; /* Attribute name */
const char *format, /* Pointer into PageLogFormat */
*nameend; /* End of attribute name */
ipp_attribute_t *attr; /* Current attribute */
char number[256]; /* Page number */
int copies; /* Number of copies */
/*
* Format the line going into the page log...
*/
if (!PageLogFormat)
return (1);
strlcpy(number, "1", sizeof(number));
copies = 1;
sscanf(page, "%255s%d", number, &copies);
for (format = PageLogFormat, bufptr = buffer; *format; format ++)
{
if (*format == '%')
{
format ++;
switch (*format)
{
case '%' : /* Literal % */
if (bufptr < (buffer + sizeof(buffer) - 1))
*bufptr++ = '%';
break;
case 'p' : /* Printer name */
strlcpy(bufptr, job->dest, sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
case 'j' : /* Job ID */
snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer), "%d", job->id);
bufptr += strlen(bufptr);
break;
case 'u' : /* Username */
strlcpy(bufptr, job->username ? job->username : "-", sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
case 'T' : /* Date and time */
strlcpy(bufptr, cupsdGetDateTime(NULL, LogTimeFormat), sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
case 'P' : /* Page number */
strlcpy(bufptr, number, sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
case 'C' : /* Number of copies */
snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer), "%d", copies);
bufptr += strlen(bufptr);
break;
case '{' : /* {attribute} */
if ((nameend = strchr(format, '}')) != NULL && (size_t)(nameend - format - 2) < (sizeof(name) - 1))
{
/*
* Pull the name from inside the brackets...
*/
memcpy(name, format + 1, (size_t)(nameend - format - 1));
name[nameend - format - 1] = '\0';
format = nameend;
attr = ippFindAttribute(job->attrs, name, IPP_TAG_ZERO);
if (!attr && !strcmp(name, "job-billing"))
{
/*
* Handle alias "job-account-id" (which was standardized after
* "job-billing" was defined for CUPS...
*/
attr = ippFindAttribute(job->attrs, "job-account-id", IPP_TAG_ZERO);
}
else if (!attr && !strcmp(name, "media"))
{
/*
* Handle alias "media-col" which uses dimensions instead of
* names...
*/
attr = ippFindAttribute(job->attrs, "media-col/media-size", IPP_TAG_BEGIN_COLLECTION);
}
if (attr)
{
/*
* Add the attribute value...
*/
for (i = 0;
i < attr->num_values &&
bufptr < (buffer + sizeof(buffer) - 1);
i ++)
{
if (i)
*bufptr++ = ',';
switch (attr->value_tag)
{
case IPP_TAG_INTEGER :
case IPP_TAG_ENUM :
snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer), "%d", attr->values[i].integer);
bufptr += strlen(bufptr);
break;
case IPP_TAG_BOOLEAN :
snprintf(bufptr, sizeof(buffer) - (size_t)(bufptr - buffer), "%d", attr->values[i].boolean);
bufptr += strlen(bufptr);
break;
case IPP_TAG_TEXTLANG :
case IPP_TAG_NAMELANG :
case IPP_TAG_TEXT :
case IPP_TAG_NAME :
case IPP_TAG_KEYWORD :
case IPP_TAG_URI :
case IPP_TAG_URISCHEME :
case IPP_TAG_CHARSET :
case IPP_TAG_LANGUAGE :
case IPP_TAG_MIMETYPE :
strlcpy(bufptr, attr->values[i].string.text, sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
case IPP_TAG_BEGIN_COLLECTION :
if (!strcmp(attr->name, "media-size"))
{
ipp_attribute_t *x_dimension = ippFindAttribute(ippGetCollection(attr, 0), "x-dimension", IPP_TAG_INTEGER);
ipp_attribute_t *y_dimension = ippFindAttribute(ippGetCollection(attr, 0), "y-dimension", IPP_TAG_INTEGER);
/* Media dimensions */
if (x_dimension && y_dimension)
{
pwg_media_t *pwg = pwgMediaForSize(ippGetInteger(x_dimension, 0), ippGetInteger(y_dimension, 0));
/* PWG media name */
strlcpy(bufptr, pwg->pwg, sizeof(buffer) - (size_t)(bufptr - buffer));
break;
}
}
default :
strlcpy(bufptr, "???", sizeof(buffer) - (size_t)(bufptr - buffer));
bufptr += strlen(bufptr);
break;
}
}
}
else if (bufptr < (buffer + sizeof(buffer) - 1))
*bufptr++ = '-';
break;
}
default :
if (bufptr < (buffer + sizeof(buffer) - 2))
{
*bufptr++ = '%';
*bufptr++ = *format;
}
break;
}
}
else if (bufptr < (buffer + sizeof(buffer) - 1))
*bufptr++ = *format;
}
*bufptr = '\0';
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
if (!strcmp(PageLog, "syslog"))
{
static const char * const job_states[] =
{ /* job-state strings */
"Pending",
"PendingHeld",
"Processing",
"ProcessingStopped",
"Canceled",
"Aborted",
"Completed"
};
sd_journal_send("MESSAGE=%s", buffer,
"PRIORITY=%i", LOG_INFO,
PWG_Event"=JobStateChanged",
PWG_ServiceURI"=%s", job->printer->uri,
PWG_JobID"=%d", job->id,
PWG_JobState"=%s", job_states[job->state_value - IPP_JSTATE_PENDING],
PWG_JobImpressionsCompleted"=%d", ippGetInteger(job->impressions, 0),
NULL);
return (1);
}
#elif defined(HAVE_VSYSLOG)
/*
* See if we are logging pages via syslog...
*/
if (!strcmp(PageLog, "syslog"))
{
syslog(LOG_INFO, "%s", buffer);
return (1);
}
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
/*
* Not using syslog; check the log file...
*/
if (!cupsdCheckLogFile(&PageFile, PageLog))
return (0);
/*
* Print a page log entry of the form:
*
* printer user job-id [DD/MON/YYYY:HH:MM:SS +TTTT] page num-copies \
* billing hostname
*/
cupsFilePrintf(PageFile, "%s\n", buffer);
cupsFileFlush(PageFile);
return (1);
}
/*
* 'cupsdLogRequest()' - Log an HTTP request in Common Log Format.
*/
int /* O - 1 on success, 0 on error */
cupsdLogRequest(cupsd_client_t *con, /* I - Request to log */
http_status_t code) /* I - Response code */
{
char temp[2048]; /* Temporary string for URI */
static const char * const states[] = /* HTTP client states... */
{
"WAITING",
"OPTIONS",
"GET",
"GET",
"HEAD",
"POST",
"POST",
"POST",
"PUT",
"PUT",
"DELETE",
"TRACE",
"CLOSE",
"STATUS"
};
/*
* Filter requests as needed...
*/
if (AccessLogLevel == CUPSD_ACCESSLOG_NONE || !AccessLog)
return (1);
else if (AccessLogLevel < CUPSD_ACCESSLOG_ALL)
{
/*
* Eliminate simple GET, POST, and PUT requests...
*/
if ((con->operation == HTTP_GET &&
strncmp(con->uri, "/admin/conf", 11) &&
strncmp(con->uri, "/admin/log", 10)) ||
(con->operation == HTTP_POST && !con->request &&
strncmp(con->uri, "/admin", 6)) ||
(con->operation != HTTP_GET && con->operation != HTTP_POST &&
con->operation != HTTP_PUT))
return (1);
if (con->request && con->response &&
(con->response->request.status.status_code < IPP_REDIRECTION_OTHER_SITE ||
con->response->request.status.status_code == IPP_NOT_FOUND))
{
/*
* Check successful requests...
*/
ipp_op_t op = con->request->request.op.operation_id;
static cupsd_accesslog_t standard_ops[] =
{
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_ACTIONS,/* Print-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Print-URI */
CUPSD_ACCESSLOG_ACTIONS,/* Validate-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Create-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Send-Document */
CUPSD_ACCESSLOG_ACTIONS,/* Send-URI */
CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Job */
CUPSD_ACCESSLOG_ALL, /* Get-Job-Attributes */
CUPSD_ACCESSLOG_ALL, /* Get-Jobs */
CUPSD_ACCESSLOG_ALL, /* Get-Printer-Attributes */
CUPSD_ACCESSLOG_ACTIONS,/* Hold-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Release-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Restart-Job */
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Resume-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Purge-Jobs */
CUPSD_ACCESSLOG_CONFIG, /* Set-Printer-Attributes */
CUPSD_ACCESSLOG_ACTIONS,/* Set-Job-Attributes */
CUPSD_ACCESSLOG_CONFIG, /* Get-Printer-Supported-Values */
CUPSD_ACCESSLOG_ACTIONS,/* Create-Printer-Subscription */
CUPSD_ACCESSLOG_ACTIONS,/* Create-Job-Subscription */
CUPSD_ACCESSLOG_ALL, /* Get-Subscription-Attributes */
CUPSD_ACCESSLOG_ALL, /* Get-Subscriptions */
CUPSD_ACCESSLOG_ACTIONS,/* Renew-Subscription */
CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Subscription */
CUPSD_ACCESSLOG_ALL, /* Get-Notifications */
CUPSD_ACCESSLOG_ACTIONS,/* Send-Notifications */
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_ALL, /* reserved */
CUPSD_ACCESSLOG_ALL, /* Get-Print-Support-Files */
CUPSD_ACCESSLOG_CONFIG, /* Enable-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Disable-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer-After-Current-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Hold-New-Jobs */
CUPSD_ACCESSLOG_ACTIONS,/* Release-Held-New-Jobs */
CUPSD_ACCESSLOG_CONFIG, /* Deactivate-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Activate-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Restart-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Shutdown-Printer */
CUPSD_ACCESSLOG_CONFIG, /* Startup-Printer */
CUPSD_ACCESSLOG_ACTIONS,/* Reprocess-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Current-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Suspend-Current-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Resume-Job */
CUPSD_ACCESSLOG_ACTIONS,/* Promote-Job */
CUPSD_ACCESSLOG_ACTIONS /* Schedule-Job-After */
};
static cupsd_accesslog_t cups_ops[] =
{
CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Default */
CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Printers */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Printer */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Printer */
CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Classes */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Class */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Class */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Accept-Jobs */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Reject-Jobs */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Set-Default */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-Devices */
CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-PPDs */
CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Move-Job */
CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Authenticate-Job */
CUPSD_ACCESSLOG_ALL /* CUPS-Get-PPD */
};
if ((op <= IPP_SCHEDULE_JOB_AFTER && standard_ops[op] > AccessLogLevel) ||
(op >= CUPS_GET_DEFAULT && op <= CUPS_GET_PPD &&
cups_ops[op - CUPS_GET_DEFAULT] > AccessLogLevel))
return (1);
}
}
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
if (!strcmp(AccessLog, "syslog"))
{
sd_journal_print(LOG_INFO, "REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s", con->http->hostname, con->username[0] != '\0' ? con->username : "-", states[con->operation], _httpEncodeURI(temp, con->uri, sizeof(temp)), con->http->version / 100, con->http->version % 100, code, CUPS_LLCAST con->bytes, con->request ? ippOpString(con->request->request.op.operation_id) : "-", con->response ? ippErrorString(con->response->request.status.status_code) : "-");
return (1);
}
#elif defined(HAVE_VSYSLOG)
/*
* See if we are logging accesses via syslog...
*/
if (!strcmp(AccessLog, "syslog"))
{
syslog(LOG_INFO,
"REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n",
con->http->hostname, con->username[0] != '\0' ? con->username : "-",
states[con->operation], _httpEncodeURI(temp, con->uri, sizeof(temp)),
con->http->version / 100, con->http->version % 100,
code, CUPS_LLCAST con->bytes,
con->request ?
ippOpString(con->request->request.op.operation_id) : "-",
con->response ?
ippErrorString(con->response->request.status.status_code) : "-");
return (1);
}
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
/*
* Not using syslog; check the log file...
*/
if (!cupsdCheckLogFile(&AccessFile, AccessLog))
return (0);
/*
* Write a log of the request in "common log format"...
*/
cupsFilePrintf(AccessFile,
"%s - %s %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n",
con->http->hostname,
con->username[0] != '\0' ? con->username : "-",
cupsdGetDateTime(&(con->start), LogTimeFormat),
states[con->operation],
_httpEncodeURI(temp, con->uri, sizeof(temp)),
con->http->version / 100, con->http->version % 100,
code, CUPS_LLCAST con->bytes,
con->request ?
ippOpString(con->request->request.op.operation_id) : "-",
con->response ?
ippErrorString(con->response->request.status.status_code) :
"-");
cupsFileFlush(AccessFile);
return (1);
}
/*
* 'cupsdWriteErrorLog()' - Write a line to the ErrorLog.
*/
int /* O - 1 on success, 0 on failure */
cupsdWriteErrorLog(int level, /* I - Log level */
const char *message) /* I - Message string */
{
int ret = 1; /* Return value */
static const char levels[] = /* Log levels... */
{
' ',
'X',
'A',
'C',
'E',
'W',
'N',
'I',
'D',
'd'
};
#ifdef HAVE_SYSTEMD_SD_JOURNAL_H
if (!strcmp(ErrorLog, "syslog"))
{
sd_journal_print(log_levels[level], "%s", message);
return (1);
}
#elif defined(HAVE_VSYSLOG)
/*
* See if we are logging errors via syslog...
*/
if (!strcmp(ErrorLog, "syslog"))
{
syslog(log_levels[level], "%s", message);
return (1);
}
#endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
/*
* Not using syslog; check the log file...
*/
_cupsMutexLock(&log_mutex);
if (!cupsdCheckLogFile(&ErrorFile, ErrorLog))
{
ret = 0;
}
else
{
/*
* Write the log message...
*/
cupsFilePrintf(ErrorFile, "%c %s %s\n", levels[level],
cupsdGetDateTime(NULL, LogTimeFormat), message);
cupsFileFlush(ErrorFile);
}
_cupsMutexUnlock(&log_mutex);
return (ret);
}
/*
* 'format_log_line()' - Format a line for a log file.
*
* This function resizes a global string buffer as needed. Each call returns
* a pointer to this buffer, so the contents are only good until the next call
* to format_log_line()...
*/
static int /* O - -1 for fatal, 0 for retry, 1 for success */
format_log_line(const char *message, /* I - Printf-style format string */
va_list ap) /* I - Argument list */
{
ssize_t len; /* Length of formatted line */
/*
* Allocate the line buffer as needed...
*/
if (!log_linesize)
{
log_linesize = 8192;
log_line = malloc(log_linesize);
if (!log_line)
return (-1);
}
/*
* Format the log message...
*/
len = _cups_safe_vsnprintf(log_line, log_linesize, message, ap);
/*
* Resize the buffer as needed...
*/
if ((size_t)len >= log_linesize && log_linesize < 65536)
{
char *temp; /* Temporary string pointer */
len ++;
if (len < 8192)
len = 8192;
else if (len > 65536)
len = 65536;
temp = realloc(log_line, (size_t)len);
if (temp)
{
log_line = temp;
log_linesize = (size_t)len;
return (0);
}
}
return (1);
}
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