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cups/scheduler/cups-driverd.cxx

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/*
* PPD/driver support for CUPS.
*
* This program handles listing and installing static PPD files, PPD files
* created from driver information files, and dynamically generated PPD files
* using driver helper programs.
*
* Copyright © 2021-2022 by OpenPrinting.
* Copyright © 2007-2019 by Apple Inc.
* Copyright © 1997-2007 by Easy Software Products.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include "util.h"
#include <cups/dir.h>
#include <cups/transcode.h>
#include <cups/ppd-private.h>
#include <ppdc/ppdc.h>
#include <regex.h>
/*
* Constants...
*/
#define PPD_SYNC 0x50504441 /* Sync word for ppds.dat (PPDA) */
#define PPD_MAX_LANG 32 /* Maximum languages */
#define PPD_MAX_PROD 32 /* Maximum products */
#define PPD_MAX_VERS 32 /* Maximum versions */
#define PPD_TYPE_POSTSCRIPT 0 /* PostScript PPD */
#define PPD_TYPE_PDF 1 /* PDF PPD */
#define PPD_TYPE_RASTER 2 /* CUPS raster PPD */
#define PPD_TYPE_FAX 3 /* Facsimile/MFD PPD */
#define PPD_TYPE_UNKNOWN 4 /* Other/hybrid PPD */
#define PPD_TYPE_DRV 5 /* Driver info file */
#define PPD_TYPE_ARCHIVE 6 /* Archive file */
#define TAR_BLOCK 512 /* Number of bytes in a block */
#define TAR_BLOCKS 10 /* Blocking factor */
#define TAR_MAGIC "ustar" /* 5 chars and a null */
#define TAR_VERSION "00" /* POSIX tar version */
#define TAR_OLDNORMAL '\0' /* Normal disk file, Unix compat */
#define TAR_NORMAL '0' /* Normal disk file */
#define TAR_LINK '1' /* Link to previously dumped file */
#define TAR_SYMLINK '2' /* Symbolic link */
#define TAR_CHR '3' /* Character special file */
#define TAR_BLK '4' /* Block special file */
#define TAR_DIR '5' /* Directory */
#define TAR_FIFO '6' /* FIFO special file */
#define TAR_CONTIG '7' /* Contiguous file */
/*
* PPD information structures...
*/
typedef struct /**** PPD record ****/
{
time_t mtime; /* Modification time */
off_t size; /* Size in bytes */
int model_number; /* cupsModelNumber */
int type; /* ppd-type */
char filename[512], /* Filename */
name[256], /* PPD name */
languages[PPD_MAX_LANG][6],
/* LanguageVersion/cupsLanguages */
products[PPD_MAX_PROD][128],
/* Product strings */
psversions[PPD_MAX_VERS][32],
/* PSVersion strings */
make[128], /* Manufacturer */
make_and_model[128], /* NickName/ModelName */
device_id[256], /* IEEE 1284 Device ID */
scheme[128]; /* PPD scheme */
} ppd_rec_t;
typedef struct /**** In-memory record ****/
{
int found; /* 1 if PPD is found */
int matches; /* Match count */
ppd_rec_t record; /* PPDs.dat record */
} ppd_info_t;
typedef union /**** TAR record format ****/
{
unsigned char all[TAR_BLOCK]; /* Raw data block */
struct
{
char pathname[100], /* Destination path */
mode[8], /* Octal file permissions */
uid[8], /* Octal user ID */
gid[8], /* Octal group ID */
size[12], /* Octal size in bytes */
mtime[12], /* Octal modification time */
chksum[8], /* Octal checksum value */
linkflag, /* File type */
linkname[100], /* Source path for link */
magic[6], /* Magic string */
version[2], /* Format version */
uname[32], /* User name */
gname[32], /* Group name */
devmajor[8], /* Octal device major number */
devminor[8], /* Octal device minor number */
prefix[155]; /* Prefix for long filenames */
} header;
} tar_rec_t;
/*
* Globals...
*/
static cups_array_t *Inodes = NULL, /* Inodes of directories we've visited */
*PPDsByName = NULL,
/* PPD files sorted by filename and name */
*PPDsByMakeModel = NULL;
/* PPD files sorted by make and model */
static int ChangedPPD; /* Did we change the PPD database? */
static const char * const PPDTypes[] = /* ppd-type values */
{
"postscript",
"pdf",
"raster",
"fax",
"object",
"object-direct",
"object-storage",
"unknown",
"drv",
"archive"
};
/*
* Local functions...
*/
static ppd_info_t *add_ppd(const char *filename, const char *name,
const char *language, const char *make,
const char *make_and_model,
const char *device_id, const char *product,
const char *psversion, time_t mtime,
size_t size, int model_number, int type,
const char *scheme);
static int cat_drv(const char *name, int request_id);
static void cat_ppd(const char *name, int request_id);
static int cat_static(const char *name, int request_id);
static int cat_tar(const char *name, int request_id);
static int compare_inodes(struct stat *a, struct stat *b);
static int compare_matches(const ppd_info_t *p0,
const ppd_info_t *p1);
static int compare_names(const ppd_info_t *p0,
const ppd_info_t *p1);
static int compare_ppds(const ppd_info_t *p0,
const ppd_info_t *p1);
static void dump_ppds_dat(const char *filename);
static void free_array(cups_array_t *a);
static cups_file_t *get_file(const char *name, int request_id,
const char *subdir, char *buffer,
size_t bufsize, char **subfile);
static void list_ppds(int request_id, int limit, const char *opt);
static int load_drivers(cups_array_t *include,
cups_array_t *exclude);
static int load_drv(const char *filename, const char *name,
cups_file_t *fp, time_t mtime, off_t size);
static void load_ppd(const char *filename, const char *name,
const char *scheme, struct stat *fileinfo,
ppd_info_t *ppd, cups_file_t *fp, off_t end);
static int load_ppds(const char *d, const char *p, int descend);
static void load_ppds_dat(char *filename, size_t filesize,
int verbose);
static int load_tar(const char *filename, const char *name,
cups_file_t *fp, time_t mtime, off_t size);
static int read_tar(cups_file_t *fp, char *name, size_t namesize,
struct stat *info);
static regex_t *regex_device_id(const char *device_id);
static regex_t *regex_string(const char *s);
/*
* 'main()' - Scan for drivers and return an IPP response.
*
* Usage:
*
* cups-driverd request_id limit options
*/
int /* O - Exit code */
main(int argc, /* I - Number of command-line args */
char *argv[]) /* I - Command-line arguments */
{
/*
* Install or list PPDs...
*/
if (argc == 3 && !strcmp(argv[1], "cat"))
cat_ppd(argv[2], 0);
else if ((argc == 2 || argc == 3) && !strcmp(argv[1], "dump"))
dump_ppds_dat(argv[2]);
else if (argc == 4 && !strcmp(argv[1], "get"))
cat_ppd(argv[3], atoi(argv[2]));
else if (argc == 5 && !strcmp(argv[1], "list"))
list_ppds(atoi(argv[2]), atoi(argv[3]), argv[4]);
else
{
fputs("Usage: cups-driverd cat ppd-name\n", stderr);
fputs("Usage: cups-driverd dump\n", stderr);
fputs("Usage: cups-driverd get request_id ppd-name\n", stderr);
fputs("Usage: cups-driverd list request_id limit options\n", stderr);
return (1);
}
}
/*
* 'add_ppd()' - Add a PPD file.
*/
static ppd_info_t * /* O - PPD */
add_ppd(const char *filename, /* I - PPD filename */
const char *name, /* I - PPD name */
const char *language, /* I - LanguageVersion */
const char *make, /* I - Manufacturer */
const char *make_and_model, /* I - NickName/ModelName */
const char *device_id, /* I - 1284DeviceID */
const char *product, /* I - Product */
const char *psversion, /* I - PSVersion */
time_t mtime, /* I - Modification time */
size_t size, /* I - File size */
int model_number, /* I - Model number */
int type, /* I - Driver type */
const char *scheme) /* I - PPD scheme */
{
ppd_info_t *ppd; /* PPD */
char *recommended; /* Foomatic driver string */
/*
* Add a new PPD file...
*/
if ((ppd = (ppd_info_t *)calloc(1, sizeof(ppd_info_t))) == NULL)
{
fprintf(stderr,
"ERROR: [cups-driverd] Ran out of memory for %d PPD files!\n",
cupsArrayCount(PPDsByName));
return (NULL);
}
/*
* Zero-out the PPD data and copy the values over...
*/
ppd->found = 1;
ppd->record.mtime = mtime;
ppd->record.size = (off_t)size;
ppd->record.model_number = model_number;
ppd->record.type = type;
strlcpy(ppd->record.filename, filename, sizeof(ppd->record.filename));
strlcpy(ppd->record.name, name, sizeof(ppd->record.name));
strlcpy(ppd->record.languages[0], language,
sizeof(ppd->record.languages[0]));
strlcpy(ppd->record.products[0], product, sizeof(ppd->record.products[0]));
strlcpy(ppd->record.psversions[0], psversion,
sizeof(ppd->record.psversions[0]));
strlcpy(ppd->record.make, make, sizeof(ppd->record.make));
strlcpy(ppd->record.make_and_model, make_and_model,
sizeof(ppd->record.make_and_model));
strlcpy(ppd->record.device_id, device_id, sizeof(ppd->record.device_id));
strlcpy(ppd->record.scheme, scheme, sizeof(ppd->record.scheme));
/*
* Strip confusing (and often wrong) "recommended" suffix added by
* Foomatic drivers...
*/
if ((recommended = strstr(ppd->record.make_and_model,
" (recommended)")) != NULL)
*recommended = '\0';
/*
* Add the PPD to the PPD arrays...
*/
cupsArrayAdd(PPDsByName, ppd);
cupsArrayAdd(PPDsByMakeModel, ppd);
/*
* Return the new PPD pointer...
*/
return (ppd);
}
/*
* 'cat_drv()' - Generate a PPD from a driver info file.
*/
static int /* O - Exit code */
cat_drv(const char *name, /* I - PPD name */
int request_id) /* I - Request ID for response? */
{
cups_file_t *fp; // File pointer
ppdcSource *src; // PPD source file data
ppdcDriver *d; // Current driver
cups_file_t *out; // Stdout via CUPS file API
char message[2048], // status-message
filename[1024], // Full path to .drv file(s)
scheme[32], // URI scheme ("drv")
userpass[256], // User/password info (unused)
host[2], // Hostname (unused)
resource[1024], // Resource path (/dir/to/filename.drv)
*pc_file_name; // Filename portion of URI
int port; // Port number (unused)
// Pull out the path to the .drv file...
if (httpSeparateURI(HTTP_URI_CODING_ALL, name, scheme, sizeof(scheme),
userpass, sizeof(userpass), host, sizeof(host), &port,
resource, sizeof(resource)) < HTTP_URI_OK)
{
fprintf(stderr, "ERROR: Bad PPD name \"%s\".\n", name);
if (request_id)
{
snprintf(message, sizeof(message), "Bad PPD name \"%s\".", name);
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", message);
cupsdSendIPPTrailer();
}
return (1);
}
if ((fp = get_file(resource, request_id, "drv", filename, sizeof(filename), &pc_file_name)) == NULL || !pc_file_name)
return (1);
src = new ppdcSource(filename, fp);
for (d = (ppdcDriver *)src->drivers->first();
d;
d = (ppdcDriver *)src->drivers->next())
if (!strcmp(pc_file_name, d->pc_file_name->value) ||
(d->file_name && !strcmp(pc_file_name, d->file_name->value)))
break;
if (d)
{
ppdcArray *locales; // Locale names
ppdcCatalog *catalog; // Message catalog in .drv file
fprintf(stderr, "DEBUG2: [cups-driverd] %u locales defined in \"%s\"...\n", (unsigned)src->po_files->count, filename);
locales = new ppdcArray();
for (catalog = (ppdcCatalog *)src->po_files->first();
catalog;
catalog = (ppdcCatalog *)src->po_files->next())
{
fprintf(stderr, "DEBUG2: [cups-driverd] Adding locale \"%s\"...\n",
catalog->locale->value);
catalog->locale->retain();
locales->add(catalog->locale);
}
if (request_id)
{
cupsdSendIPPHeader(IPP_OK, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPTrailer();
fflush(stdout);
}
out = cupsFileStdout();
d->write_ppd_file(out, NULL, locales, src, PPDC_LFONLY);
cupsFileClose(out);
locales->release();
}
else
{
fprintf(stderr, "ERROR: PPD \"%s\" not found.\n", name);
if (request_id)
{
snprintf(message, sizeof(message), "PPD \"%s\" not found.", name);
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", message);
cupsdSendIPPTrailer();
}
}
src->release();
cupsFileClose(fp);
return (!d);
}
/*
* 'cat_ppd()' - Copy a PPD file to stdout.
*/
static void
cat_ppd(const char *name, /* I - PPD name */
int request_id) /* I - Request ID for response? */
{
char scheme[256], /* Scheme from PPD name */
*sptr, /* Pointer into scheme */
line[1024], /* Line/filename */
message[2048]; /* status-message */
/*
* Figure out if this is a static or dynamic PPD file...
*/
if (strstr(name, "../"))
{
fputs("ERROR: Invalid PPD name.\n", stderr);
exit(1);
}
strlcpy(scheme, name, sizeof(scheme));
if ((sptr = strchr(scheme, ':')) != NULL)
{
*sptr = '\0';
if (!strcmp(scheme, "file"))
{
/*
* "file:name" == "name"...
*/
name += 5;
while (*name == '/')
name ++;
if (!strstr(name, ".tar/") && !strstr(name, ".tar.gz/"))
scheme[0] = '\0';
}
}
else
scheme[0] = '\0';
if (request_id > 0)
puts("Content-Type: application/ipp\n");
if (!scheme[0])
exit(cat_static(name, request_id));
else if (!strcmp(scheme, "drv"))
exit(cat_drv(name, request_id));
else if (!strcmp(scheme, "file"))
exit(cat_tar(name, request_id));
else
{
/*
* Dynamic PPD, see if we have a driver program to support it...
*/
const char *serverbin; /* CUPS_SERVERBIN env var */
char *argv[4]; /* Arguments for program */
if ((serverbin = getenv("CUPS_SERVERBIN")) == NULL)
serverbin = CUPS_SERVERBIN;
snprintf(line, sizeof(line), "%s/driver/%s", serverbin, scheme);
if (access(line, X_OK))
{
/*
* File does not exist or is not executable...
*/
fprintf(stderr, "ERROR: [cups-driverd] Unable to access \"%s\" - %s\n",
line, strerror(errno));
if (request_id > 0)
{
snprintf(message, sizeof(message), "Unable to access \"%s\" - %s",
line, strerror(errno));
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", message);
cupsdSendIPPTrailer();
}
exit(1);
}
/*
* Yes, let it cat the PPD file...
*/
if (request_id)
{
cupsdSendIPPHeader(IPP_OK, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPTrailer();
}
argv[0] = scheme;
argv[1] = (char *)"cat";
argv[2] = (char *)name;
argv[3] = NULL;
if (cupsdExec(line, argv))
{
/*
* Unable to execute driver...
*/
fprintf(stderr, "ERROR: [cups-driverd] Unable to execute \"%s\" - %s\n",
line, strerror(errno));
exit(1);
}
}
/*
* Exit with no errors...
*/
exit(0);
}
/*
* 'copy_static()' - Copy a static PPD file to stdout.
*/
static int /* O - Exit code */
cat_static(const char *name, /* I - PPD name */
int request_id) /* I - Request ID for response? */
{
cups_file_t *fp; /* PPD file */
char filename[1024], /* PPD filename */
line[1024]; /* Line buffer */
if ((fp = get_file(name, request_id, "model", filename, sizeof(filename),
NULL)) == NULL)
return (1);
if (request_id)
{
cupsdSendIPPHeader(IPP_OK, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPTrailer();
}
/*
* Now copy the file to stdout...
*/
while (cupsFileGets(fp, line, sizeof(line)))
puts(line);
cupsFileClose(fp);
return (0);
}
/*
* 'cat_tar()' - Copy an archived PPD file to stdout.
*/
static int /* O - Exit code */
cat_tar(const char *name, /* I - PPD name */
int request_id) /* I - Request ID */
{
cups_file_t *fp; /* Archive file pointer */
char filename[1024], /* Archive filename */
*ppdname, /* PPD filename in archive */
curname[256], /* Current name in archive */
buffer[8192]; /* Copy buffer */
struct stat curinfo; /* Current file info in archive */
off_t total, /* Total bytes copied */
next; /* Offset for next record in archive */
ssize_t bytes; /* Bytes read */
/*
* Open the archive file...
*/
if ((fp = get_file(name, request_id, "model", filename, sizeof(filename),
&ppdname)) == NULL || !ppdname)
return (1);
/*
* Scan the archive for the PPD...
*/
while (read_tar(fp, curname, sizeof(curname), &curinfo))
{
next = cupsFileTell(fp) + ((curinfo.st_size + TAR_BLOCK - 1) &
~(TAR_BLOCK - 1));
if (!strcmp(ppdname, curname))
{
if (request_id)
{
cupsdSendIPPHeader(IPP_OK, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPTrailer();
}
for (total = 0; total < curinfo.st_size; total += bytes)
{
if ((size_t)(bytes = (curinfo.st_size - total)) > sizeof(buffer))
bytes = sizeof(buffer);
if ((bytes = cupsFileRead(fp, buffer, (size_t)bytes)) < 0)
{
if (errno == EINTR || errno == EAGAIN)
{
bytes = 0;
}
else
{
perror("ERROR: [cups-driverd] Read error");
break;
}
}
else if (bytes > 0 && fwrite(buffer, (size_t)bytes, 1, stdout) != 1)
break;
}
cupsFileClose(fp);
return (0);
}
if (cupsFileTell(fp) != next)
{
if (cupsFileSeek(fp, next) != next)
break;
}
}
cupsFileClose(fp);
fprintf(stderr, "ERROR: PPD \"%s\" not found.\n", name);
if (request_id)
{
snprintf(buffer, sizeof(buffer), "PPD \"%s\" not found.", name);
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", buffer);
cupsdSendIPPTrailer();
}
return (1);
}
/*
* 'compare_inodes()' - Compare two inodes.
*/
static int /* O - Result of comparison */
compare_inodes(struct stat *a, /* I - First inode */
struct stat *b) /* I - Second inode */
{
if (a->st_dev != b->st_dev)
return (a->st_dev - b->st_dev);
else
return (a->st_ino - b->st_ino);
}
/*
* 'compare_matches()' - Compare PPD match scores for sorting.
*/
static int
compare_matches(const ppd_info_t *p0, /* I - First PPD */
const ppd_info_t *p1) /* I - Second PPD */
{
if (p1->matches != p0->matches)
return (p1->matches - p0->matches);
else
return (cupsdCompareNames(p0->record.make_and_model,
p1->record.make_and_model));
}
/*
* 'compare_names()' - Compare PPD filenames for sorting.
*/
static int /* O - Result of comparison */
compare_names(const ppd_info_t *p0, /* I - First PPD file */
const ppd_info_t *p1) /* I - Second PPD file */
{
int diff; /* Difference between strings */
if ((diff = strcmp(p0->record.filename, p1->record.filename)) != 0)
return (diff);
else
return (strcmp(p0->record.name, p1->record.name));
}
/*
* 'compare_ppds()' - Compare PPD file make and model names for sorting.
*/
static int /* O - Result of comparison */
compare_ppds(const ppd_info_t *p0, /* I - First PPD file */
const ppd_info_t *p1) /* I - Second PPD file */
{
int diff; /* Difference between strings */
/*
* First compare manufacturers...
*/
if ((diff = _cups_strcasecmp(p0->record.make, p1->record.make)) != 0)
return (diff);
else if ((diff = cupsdCompareNames(p0->record.make_and_model,
p1->record.make_and_model)) != 0)
return (diff);
else if ((diff = strcmp(p0->record.languages[0],
p1->record.languages[0])) != 0)
return (diff);
else
return (compare_names(p0, p1));
}
/*
* 'dump_ppds_dat()' - Dump the contents of the ppds.dat file.
*/
static void
dump_ppds_dat(const char *filename) /* I - Filename */
{
char temp[1024]; /* ppds.dat filename */
ppd_info_t *ppd; /* Current PPD */
/*
* See if we a PPD database file...
*/
if (filename)
strlcpy(temp, filename, sizeof(temp));
else
temp[0] = '\0';
load_ppds_dat(temp, sizeof(temp), 0);
puts("mtime,size,model_number,type,filename,name,languages0,products0,"
"psversions0,make,make_and_model,device_id,scheme");
for (ppd = (ppd_info_t *)cupsArrayFirst(PPDsByName);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(PPDsByName))
printf("%d,%ld,%d,%d,\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\","
"\"%s\",\"%s\"\n",
(int)ppd->record.mtime, (long)ppd->record.size,
ppd->record.model_number, ppd->record.type, ppd->record.filename,
ppd->record.name, ppd->record.languages[0], ppd->record.products[0],
ppd->record.psversions[0], ppd->record.make,
ppd->record.make_and_model, ppd->record.device_id,
ppd->record.scheme);
exit(0);
}
/*
* 'free_array()' - Free an array of strings.
*/
static void
free_array(cups_array_t *a) /* I - Array to free */
{
char *ptr; /* Pointer to string */
for (ptr = (char *)cupsArrayFirst(a);
ptr;
ptr = (char *)cupsArrayNext(a))
free(ptr);
cupsArrayDelete(a);
}
/*
* 'get_file()' - Get the filename associated with a request.
*/
static cups_file_t * /* O - File pointer or NULL */
get_file(const char *name, /* I - Name */
int request_id, /* I - Request ID */
const char *subdir, /* I - Subdirectory for file */
char *buffer, /* I - Filename buffer */
size_t bufsize, /* I - Size of filename buffer */
char **subfile) /* O - Sub-filename */
{
cups_file_t *fp; /* File pointer */
const char *datadir; /* CUPS_DATADIR env var */
char *bufptr, /* Pointer into filename buffer */
message[2048]; /* status-message */
#ifdef __APPLE__
const char *printerDriver, /* Pointer to .printerDriver extension */
*slash; /* Pointer to next slash */
#endif /* __APPLE__ */
if (subfile)
*subfile = NULL;
while (*name == '/')
name ++;
if (strstr(name, "../") || strstr(name, "/.."))
{
/*
* Bad name...
*/
fprintf(stderr, "ERROR: [cups-driverd] Bad PPD name \"%s\".\n", name);
if (request_id)
{
snprintf(message, sizeof(message), "Bad PPD name \"%s\".", name);
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", message);
cupsdSendIPPTrailer();
}
return (NULL);
}
/*
* Try opening the file...
*/
#ifdef __APPLE__
if (!strncmp(name, "System/Library/Printers/PPDs/Contents/Resources/", 48) ||
!strncmp(name, "Library/Printers/PPDs/Contents/Resources/", 41) ||
(!strncmp(name, "System/Library/Printers/", 24) &&
(printerDriver =
strstr(name + 24,
".printerDriver/Contents/Resources/PPDs")) != NULL &&
(slash = strchr(name + 24, '/')) != NULL &&
slash > printerDriver) ||
(!strncmp(name, "Library/Printers/", 17) &&
(printerDriver =
strstr(name + 17,
".printerDriver/Contents/Resources/PPDs")) != NULL &&
(slash = strchr(name + 17, '/')) != NULL &&
slash > printerDriver))
{
/*
* Map ppd-name to macOS standard locations...
*/
snprintf(buffer, bufsize, "/%s", name);
}
else
#elif defined(__linux)
if (!strncmp(name, "lsb/usr/", 8))
{
/*
* Map ppd-name to LSB standard /usr/share/ppd location...
*/
snprintf(buffer, bufsize, "/usr/share/ppd/%s", name + 8);
}
else if (!strncmp(name, "lsb/opt/", 8))
{
/*
* Map ppd-name to LSB standard /opt/share/ppd location...
*/
snprintf(buffer, bufsize, "/opt/share/ppd/%s", name + 8);
}
else if (!strncmp(name, "lsb/local/", 10))
{
/*
* Map ppd-name to LSB standard /usr/local/share/ppd location...
*/
snprintf(buffer, bufsize, "/usr/local/share/ppd/%s", name + 10);
}
else
#endif /* __APPLE__ */
{
if ((datadir = getenv("CUPS_DATADIR")) == NULL)
datadir = CUPS_DATADIR;
snprintf(buffer, bufsize, "%s/%s/%s", datadir, subdir, name);
}
/*
* Strip anything after ".drv/", ".drv.gz/", ".tar/", or ".tar.gz/"...
*/
if (subfile)
{
if ((bufptr = strstr(buffer, ".drv/")) != NULL)
bufptr += 4;
else if ((bufptr = strstr(buffer, ".drv.gz/")) != NULL)
bufptr += 7;
else if ((bufptr = strstr(buffer, ".tar/")) != NULL)
bufptr += 4;
else if ((bufptr = strstr(buffer, ".tar.gz/")) != NULL)
bufptr += 7;
if (bufptr)
{
*bufptr++ = '\0';
*subfile = bufptr;
}
}
/*
* Try opening the file...
*/
if ((fp = cupsFileOpen(buffer, "r")) == NULL)
{
fprintf(stderr, "ERROR: [cups-driverd] Unable to open \"%s\" - %s\n",
buffer, strerror(errno));
if (request_id)
{
snprintf(message, sizeof(message), "Unable to open \"%s\" - %s",
buffer, strerror(errno));
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
cupsdSendIPPString(IPP_TAG_TEXT, "status-message", message);
cupsdSendIPPTrailer();
}
return (NULL);
}
return (fp);
}
/*
* 'list_ppds()' - List PPD files.
*/
static void
list_ppds(int request_id, /* I - Request ID */
int limit, /* I - Limit */
const char *opt) /* I - Option argument */
{
int i; /* Looping vars */
int count; /* Number of PPDs to send */
ppd_info_t *ppd; /* Current PPD file */
cups_file_t *fp; /* ppds.dat file */
char filename[1024], /* ppds.dat filename */
model[1024]; /* Model directory */
const char *cups_datadir; /* CUPS_DATADIR environment variable */
int num_options; /* Number of options */
cups_option_t *options; /* Options */
cups_array_t *requested, /* requested-attributes values */
*include, /* PPD schemes to include */
*exclude; /* PPD schemes to exclude */
const char *device_id, /* ppd-device-id option */
*language, /* ppd-natural-language option */
*make, /* ppd-make option */
*make_and_model, /* ppd-make-and-model option */
*model_number_str, /* ppd-model-number option */
*product, /* ppd-product option */
*psversion, /* ppd-psversion option */
*type_str; /* ppd-type option */
int model_number, /* ppd-model-number value */
type, /* ppd-type value */
send_device_id, /* Send ppd-device-id? */
send_make, /* Send ppd-make? */
send_make_and_model, /* Send ppd-make-and-model? */
send_model_number, /* Send ppd-model-number? */
send_name, /* Send ppd-name? */
send_natural_language, /* Send ppd-natural-language? */
send_product, /* Send ppd-product? */
send_psversion, /* Send ppd-psversion? */
send_type, /* Send ppd-type? */
sent_header; /* Sent the IPP header? */
size_t make_and_model_len, /* Length of ppd-make-and-model */
product_len; /* Length of ppd-product */
regex_t *device_id_re, /* Regular expression for matching device ID */
*make_and_model_re; /* Regular expression for matching make and model */
regmatch_t re_matches[6]; /* Regular expression matches */
cups_array_t *matches; /* Matching PPDs */
fprintf(stderr,
"DEBUG2: [cups-driverd] list_ppds(request_id=%d, limit=%d, "
"opt=\"%s\"\n", request_id, limit, opt);
/*
* See if we a PPD database file...
*/
filename[0] = '\0';
load_ppds_dat(filename, sizeof(filename), 1);
/*
* Load all PPDs in the specified directory and below...
*/
if ((cups_datadir = getenv("CUPS_DATADIR")) == NULL)
cups_datadir = CUPS_DATADIR;
Inodes = cupsArrayNew((cups_array_func_t)compare_inodes, NULL);
snprintf(model, sizeof(model), "%s/model", cups_datadir);
load_ppds(model, "", 1);
snprintf(model, sizeof(model), "%s/drv", cups_datadir);
load_ppds(model, "", 1);
#ifdef __APPLE__
/*
* Load PPDs from standard macOS locations...
*/
load_ppds("/Library/Printers",
"Library/Printers", 0);
load_ppds("/Library/Printers/PPDs/Contents/Resources",
"Library/Printers/PPDs/Contents/Resources", 0);
load_ppds("/Library/Printers/PPDs/Contents/Resources/en.lproj",
"Library/Printers/PPDs/Contents/Resources/en.lproj", 0);
load_ppds("/System/Library/Printers",
"System/Library/Printers", 0);
load_ppds("/System/Library/Printers/PPDs/Contents/Resources",
"System/Library/Printers/PPDs/Contents/Resources", 0);
load_ppds("/System/Library/Printers/PPDs/Contents/Resources/en.lproj",
"System/Library/Printers/PPDs/Contents/Resources/en.lproj", 0);
#elif defined(__linux)
/*
* Load PPDs from LSB-defined locations...
*/
if (!access("/usr/local/share/ppd", 0))
load_ppds("/usr/local/share/ppd", "lsb/local", 1);
if (!access("/usr/share/ppd", 0))
load_ppds("/usr/share/ppd", "lsb/usr", 1);
if (!access("/opt/share/ppd", 0))
load_ppds("/opt/share/ppd", "lsb/opt", 1);
#endif /* __APPLE__ */
/*
* Cull PPD files that are no longer present...
*/
for (ppd = (ppd_info_t *)cupsArrayFirst(PPDsByName);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(PPDsByName))
if (!ppd->found)
{
/*
* Remove this PPD file from the list...
*/
cupsArrayRemove(PPDsByName, ppd);
cupsArrayRemove(PPDsByMakeModel, ppd);
free(ppd);
ChangedPPD = 1;
}
/*
* Write the new ppds.dat file...
*/
fprintf(stderr, "DEBUG: [cups-driverd] ChangedPPD=%d\n", ChangedPPD);
if (ChangedPPD)
{
char newname[1024]; /* New filename */
snprintf(newname, sizeof(newname), "%s.%d", filename, (int)getpid());
if ((fp = cupsFileOpen(newname, "w")) != NULL)
{
unsigned ppdsync = PPD_SYNC; /* Sync word */
cupsFileWrite(fp, (char *)&ppdsync, sizeof(ppdsync));
for (ppd = (ppd_info_t *)cupsArrayFirst(PPDsByName);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(PPDsByName))
cupsFileWrite(fp, (char *)&(ppd->record), sizeof(ppd_rec_t));
cupsFileClose(fp);
if (rename(newname, filename))
fprintf(stderr, "ERROR: [cups-driverd] Unable to rename \"%s\" - %s\n",
newname, strerror(errno));
else
fprintf(stderr, "INFO: [cups-driverd] Wrote \"%s\", %d PPDs...\n",
filename, cupsArrayCount(PPDsByName));
}
else
fprintf(stderr, "ERROR: [cups-driverd] Unable to write \"%s\" - %s\n",
filename, strerror(errno));
}
else
fputs("INFO: [cups-driverd] No new or changed PPDs...\n", stderr);
/*
* Scan for dynamic PPD files...
*/
num_options = cupsParseOptions(opt, 0, &options);
exclude = cupsdCreateStringsArray(cupsGetOption("exclude-schemes",
num_options, options));
include = cupsdCreateStringsArray(cupsGetOption("include-schemes",
num_options, options));
load_drivers(include, exclude);
/*
* Add the raw driver...
*/
add_ppd("", "raw", "en", "Raw", "Raw Queue", "", "", "", 0, 0, 0,
PPD_TYPE_UNKNOWN, "raw");
/*
* Send IPP attributes...
*/
requested = cupsdCreateStringsArray(
cupsGetOption("requested-attributes", num_options,
options));
device_id = cupsGetOption("ppd-device-id", num_options, options);
language = cupsGetOption("ppd-natural-language", num_options, options);
make = cupsGetOption("ppd-make", num_options, options);
make_and_model = cupsGetOption("ppd-make-and-model", num_options, options);
model_number_str = cupsGetOption("ppd-model-number", num_options, options);
product = cupsGetOption("ppd-product", num_options, options);
psversion = cupsGetOption("ppd-psversion", num_options, options);
type_str = cupsGetOption("ppd-type", num_options, options);
if (make_and_model)
make_and_model_len = strlen(make_and_model);
else
make_and_model_len = 0;
if (product)
product_len = strlen(product);
else
product_len = 0;
if (model_number_str)
model_number = atoi(model_number_str);
else
model_number = 0;
if (type_str)
{
for (type = 0;
type < (int)(sizeof(PPDTypes) / sizeof(PPDTypes[0]));
type ++)
if (!strcmp(type_str, PPDTypes[type]))
break;
if (type >= (int)(sizeof(PPDTypes) / sizeof(PPDTypes[0])))
{
fprintf(stderr, "ERROR: [cups-driverd] Bad ppd-type=\"%s\" ignored!\n",
type_str);
type_str = NULL;
}
}
else
type = 0;
for (i = 0; i < num_options; i ++)
fprintf(stderr, "DEBUG2: [cups-driverd] %s=\"%s\"\n", options[i].name,
options[i].value);
if (!requested || cupsArrayFind(requested, (void *)"all") != NULL)
{
send_name = 1;
send_make = 1;
send_make_and_model = 1;
send_model_number = 1;
send_natural_language = 1;
send_device_id = 1;
send_product = 1;
send_psversion = 1;
send_type = 1;
}
else
{
send_name = cupsArrayFind(requested,
(void *)"ppd-name") != NULL;
send_make = cupsArrayFind(requested,
(void *)"ppd-make") != NULL;
send_make_and_model = cupsArrayFind(requested,
(void *)"ppd-make-and-model") != NULL;
send_model_number = cupsArrayFind(requested,
(void *)"ppd-model-number") != NULL;
send_natural_language = cupsArrayFind(requested,
(void *)"ppd-natural-language") != NULL;
send_device_id = cupsArrayFind(requested,
(void *)"ppd-device-id") != NULL;
send_product = cupsArrayFind(requested,
(void *)"ppd-product") != NULL;
send_psversion = cupsArrayFind(requested,
(void *)"ppd-psversion") != NULL;
send_type = cupsArrayFind(requested,
(void *)"ppd-type") != NULL;
}
/*
* Send the content type header to the scheduler; request_id can only be
* 0 when run manually since the scheduler enforces the IPP requirement for
* a request ID from 1 to 2^31-1...
*/
if (request_id > 0)
puts("Content-Type: application/ipp\n");
sent_header = 0;
if (limit <= 0 || limit > cupsArrayCount(PPDsByMakeModel))
count = cupsArrayCount(PPDsByMakeModel);
else
count = limit;
if (device_id || language || make || make_and_model || model_number_str ||
product)
{
matches = cupsArrayNew((cups_array_func_t)compare_matches, NULL);
if (device_id)
device_id_re = regex_device_id(device_id);
else
device_id_re = NULL;
if (make_and_model)
make_and_model_re = regex_string(make_and_model);
else
make_and_model_re = NULL;
for (ppd = (ppd_info_t *)cupsArrayFirst(PPDsByMakeModel);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(PPDsByMakeModel))
{
/*
* Filter PPDs based on make, model, product, language, model number,
* and/or device ID using the "matches" score value. An exact match
* for product, make-and-model, or device-id adds 3 to the score.
* Partial matches for make-and-model yield 1 or 2 points, and matches
* for the make and language add a single point. Results are then sorted
* by score, highest score first.
*/
if (ppd->record.type < PPD_TYPE_POSTSCRIPT ||
ppd->record.type >= PPD_TYPE_DRV)
continue;
if (cupsArrayFind(exclude, ppd->record.scheme) ||
(include && !cupsArrayFind(include, ppd->record.scheme)))
continue;
ppd->matches = 0;
if (device_id_re &&
!regexec(device_id_re, ppd->record.device_id,
(size_t)(sizeof(re_matches) / sizeof(re_matches[0])),
re_matches, 0))
{
/*
* Add the number of matching values from the device ID - it will be
* at least 2 (manufacturer and model), and as much as 3 (command set).
*/
for (i = 1; i < (int)(sizeof(re_matches) / sizeof(re_matches[0])); i ++)
if (re_matches[i].rm_so >= 0)
ppd->matches ++;
}
if (language)
{
for (i = 0; i < PPD_MAX_LANG; i ++)
if (!ppd->record.languages[i][0])
break;
else if (!strcmp(ppd->record.languages[i], language))
{
ppd->matches ++;
break;
}
}
if (make && !_cups_strcasecmp(ppd->record.make, make))
ppd->matches ++;
if (make_and_model_re &&
!regexec(make_and_model_re, ppd->record.make_and_model,
(size_t)(sizeof(re_matches) / sizeof(re_matches[0])),
re_matches, 0))
{
// See how much of the make-and-model string we matched...
if (re_matches[0].rm_so == 0)
{
if ((size_t)re_matches[0].rm_eo == make_and_model_len)
ppd->matches += 3; // Exact match
else
ppd->matches += 2; // Prefix match
}
else
ppd->matches ++; // Infix match
}
if (model_number_str && ppd->record.model_number == model_number)
ppd->matches ++;
if (product)
{
for (i = 0; i < PPD_MAX_PROD; i ++)
if (!ppd->record.products[i][0])
break;
else if (!_cups_strcasecmp(ppd->record.products[i], product))
{
ppd->matches += 3;
break;
}
else if (!_cups_strncasecmp(ppd->record.products[i], product,
product_len))
{
ppd->matches += 2;
break;
}
}
if (psversion)
{
for (i = 0; i < PPD_MAX_VERS; i ++)
if (!ppd->record.psversions[i][0])
break;
else if (!_cups_strcasecmp(ppd->record.psversions[i], psversion))
{
ppd->matches ++;
break;
}
}
if (type_str && ppd->record.type == type)
ppd->matches ++;
if (ppd->matches)
{
fprintf(stderr, "DEBUG2: [cups-driverd] %s matches with score %d!\n",
ppd->record.name, ppd->matches);
cupsArrayAdd(matches, ppd);
}
}
}
else if (include || exclude)
{
matches = cupsArrayNew((cups_array_func_t)compare_ppds, NULL);
for (ppd = (ppd_info_t *)cupsArrayFirst(PPDsByMakeModel);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(PPDsByMakeModel))
{
/*
* Filter PPDs based on the include/exclude lists.
*/
if (ppd->record.type < PPD_TYPE_POSTSCRIPT ||
ppd->record.type >= PPD_TYPE_DRV)
continue;
if (cupsArrayFind(exclude, ppd->record.scheme) ||
(include && !cupsArrayFind(include, ppd->record.scheme)))
continue;
cupsArrayAdd(matches, ppd);
}
}
else
matches = PPDsByMakeModel;
for (ppd = (ppd_info_t *)cupsArrayFirst(matches);
count > 0 && ppd;
ppd = (ppd_info_t *)cupsArrayNext(matches))
{
/*
* Skip invalid PPDs...
*/
if (ppd->record.type < PPD_TYPE_POSTSCRIPT ||
ppd->record.type >= PPD_TYPE_DRV)
continue;
/*
* Send this PPD...
*/
if (!sent_header)
{
sent_header = 1;
if (request_id)
{
cupsdSendIPPHeader(IPP_OK, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language",
"en-US");
}
}
fprintf(stderr, "DEBUG2: [cups-driverd] Sending %s (%s)...\n",
ppd->record.name, ppd->record.make_and_model);
count --;
if (request_id)
{
cupsdSendIPPGroup(IPP_TAG_PRINTER);
if (send_name)
cupsdSendIPPString(IPP_TAG_NAME, "ppd-name", ppd->record.name);
if (send_natural_language)
{
cupsdSendIPPString(IPP_TAG_LANGUAGE, "ppd-natural-language",
ppd->record.languages[0]);
for (i = 1; i < PPD_MAX_LANG && ppd->record.languages[i][0]; i ++)
cupsdSendIPPString(IPP_TAG_LANGUAGE, "", ppd->record.languages[i]);
}
if (send_make)
cupsdSendIPPString(IPP_TAG_TEXT, "ppd-make", ppd->record.make);
if (send_make_and_model)
cupsdSendIPPString(IPP_TAG_TEXT, "ppd-make-and-model",
ppd->record.make_and_model);
if (send_device_id)
cupsdSendIPPString(IPP_TAG_TEXT, "ppd-device-id",
ppd->record.device_id);
if (send_product)
{
cupsdSendIPPString(IPP_TAG_TEXT, "ppd-product",
ppd->record.products[0]);
for (i = 1; i < PPD_MAX_PROD && ppd->record.products[i][0]; i ++)
cupsdSendIPPString(IPP_TAG_TEXT, "", ppd->record.products[i]);
}
if (send_psversion)
{
cupsdSendIPPString(IPP_TAG_TEXT, "ppd-psversion",
ppd->record.psversions[0]);
for (i = 1; i < PPD_MAX_VERS && ppd->record.psversions[i][0]; i ++)
cupsdSendIPPString(IPP_TAG_TEXT, "", ppd->record.psversions[i]);
}
if (send_type)
{
if (ppd->record.type < PPD_TYPE_POSTSCRIPT || ppd->record.type > PPD_TYPE_ARCHIVE)
{
/*
* This cache file is corrupted, remove it!
*/
unlink(filename);
cupsdSendIPPString(IPP_TAG_KEYWORD, "ppd-type", PPDTypes[PPD_TYPE_UNKNOWN]);
}
else
cupsdSendIPPString(IPP_TAG_KEYWORD, "ppd-type", PPDTypes[ppd->record.type]);
}
if (send_model_number)
cupsdSendIPPInteger(IPP_TAG_INTEGER, "ppd-model-number",
ppd->record.model_number);
}
else
printf("%s (%s)\n", ppd->record.name, ppd->record.make_and_model);
/*
* If we have only requested the ppd-make attribute, then skip
* the remaining PPDs with this make...
*/
if (cupsArrayFind(requested, (void *)"ppd-make") &&
cupsArrayCount(requested) == 1)
{
const char *this_make; /* This ppd-make */
for (this_make = ppd->record.make,
ppd = (ppd_info_t *)cupsArrayNext(matches);
ppd;
ppd = (ppd_info_t *)cupsArrayNext(matches))
if (_cups_strcasecmp(this_make, ppd->record.make))
break;
cupsArrayPrev(matches);
}
}
if (!sent_header && request_id)
{
cupsdSendIPPHeader(IPP_NOT_FOUND, request_id);
cupsdSendIPPGroup(IPP_TAG_OPERATION);
cupsdSendIPPString(IPP_TAG_CHARSET, "attributes-charset", "utf-8");
cupsdSendIPPString(IPP_TAG_LANGUAGE, "attributes-natural-language", "en-US");
}
if (request_id)
cupsdSendIPPTrailer();
exit(0);
}
/*
* 'load_drv()' - Load the PPDs from a driver information file.
*/
static int /* O - 1 on success, 0 on failure */
load_drv(const char *filename, /* I - Actual filename */
const char *name, /* I - Name to the rest of the world */
cups_file_t *fp, /* I - File to read from */
time_t mtime, /* I - Mod time of driver info file */
off_t size) /* I - Size of driver info file */
{
ppdcSource *src; // Driver information file
ppdcDriver *d; // Current driver
ppdcAttr *device_id, // 1284DeviceID attribute
*product, // Current product value
*ps_version, // PSVersion attribute
*cups_fax, // cupsFax attribute
*nick_name; // NickName attribute
ppdcFilter *filter; // Current filter
ppd_info_t *ppd; // Current PPD
int products_found; // Number of products found
char uri[1024], // Driver URI
make_model[1024]; // Make and model
int type; // Driver type
/*
* Load the driver info file...
*/
src = new ppdcSource(filename, fp);
if (src->drivers->count == 0)
{
fprintf(stderr,
"ERROR: [cups-driverd] Bad driver information file \"%s\"!\n",
filename);
src->release();
return (0);
}
/*
* Add a dummy entry for the file...
*/
add_ppd(name, name, "", "", "", "", "", "", mtime, (size_t)size, 0, PPD_TYPE_DRV, "drv");
ChangedPPD = 1;
/*
* Then the drivers in the file...
*/
for (d = (ppdcDriver *)src->drivers->first();
d;
d = (ppdcDriver *)src->drivers->next())
{
httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "drv", "", "", 0,
"/%s/%s", name,
d->file_name ? d->file_name->value :
d->pc_file_name->value);
device_id = d->find_attr("1284DeviceID", NULL);
ps_version = d->find_attr("PSVersion", NULL);
nick_name = d->find_attr("NickName", NULL);
if (nick_name)
strlcpy(make_model, nick_name->value->value, sizeof(make_model));
else if (_cups_strncasecmp(d->model_name->value, d->manufacturer->value,
strlen(d->manufacturer->value)))
snprintf(make_model, sizeof(make_model), "%s %s, %s",
d->manufacturer->value, d->model_name->value,
d->version->value);
else
snprintf(make_model, sizeof(make_model), "%s, %s", d->model_name->value,
d->version->value);
if ((cups_fax = d->find_attr("cupsFax", NULL)) != NULL &&
!_cups_strcasecmp(cups_fax->value->value, "true"))
type = PPD_TYPE_FAX;
else if (d->type == PPDC_DRIVER_PS)
type = PPD_TYPE_POSTSCRIPT;
else if (d->type != PPDC_DRIVER_CUSTOM)
type = PPD_TYPE_RASTER;
else
{
for (filter = (ppdcFilter *)d->filters->first(),
type = PPD_TYPE_POSTSCRIPT;
filter;
filter = (ppdcFilter *)d->filters->next())
if (_cups_strcasecmp(filter->mime_type->value, "application/vnd.cups-raster"))
type = PPD_TYPE_RASTER;
else if (_cups_strcasecmp(filter->mime_type->value,
"application/vnd.cups-pdf"))
type = PPD_TYPE_PDF;
}
for (product = (ppdcAttr *)d->attrs->first(), products_found = 0,
ppd = NULL;
product;
product = (ppdcAttr *)d->attrs->next())
if (!strcmp(product->name->value, "Product"))
{
if (!products_found)
ppd = add_ppd(name, uri, "en", d->manufacturer->value, make_model, device_id ? device_id->value->value : "", product->value->value,
ps_version ? ps_version->value->value : "(3010) 0", mtime, (size_t)size, d->model_number, type, "drv");
else if (products_found < PPD_MAX_PROD)
strlcpy(ppd->record.products[products_found], product->value->value, sizeof(ppd->record.products[0]));
else
break;
products_found ++;
}
if (!products_found)
add_ppd(name, uri, "en", d->manufacturer->value, make_model, device_id ? device_id->value->value : "", d->model_name->value, ps_version ? ps_version->value->value : "(3010) 0", mtime, (size_t)size, d->model_number, type, "drv");
}
src->release();
return (1);
}
/*
* 'load_drivers()' - Load driver-generated PPD files.
*/
static int /* O - 1 on success, 0 on failure */
load_drivers(cups_array_t *include, /* I - Drivers to include */
cups_array_t *exclude) /* I - Drivers to exclude */
{
int i; /* Looping var */
char *start, /* Start of value */
*ptr; /* Pointer into string */
const char *server_bin, /* CUPS_SERVERBIN env variable */
*scheme, /* Scheme for this driver */
*scheme_end; /* Pointer to end of scheme */
char drivers[1024]; /* Location of driver programs */
int pid; /* Process ID for driver program */
cups_file_t *fp; /* Pipe to driver program */
cups_dir_t *dir; /* Directory pointer */
cups_dentry_t *dent; /* Directory entry */
char *argv[3], /* Arguments for command */
filename[1024], /* Name of driver */
line[2048], /* Line from driver */
name[256], /* ppd-name */
make[128], /* ppd-make */
make_and_model[128], /* ppd-make-and-model */
device_id[256], /* ppd-device-id */
languages[128], /* ppd-natural-language */
product[128], /* ppd-product */
psversion[128], /* ppd-psversion */
type_str[128]; /* ppd-type */
int type; /* PPD type */
ppd_info_t *ppd; /* Newly added PPD */
/*
* Try opening the driver directory...
*/
if ((server_bin = getenv("CUPS_SERVERBIN")) == NULL)
server_bin = CUPS_SERVERBIN;
snprintf(drivers, sizeof(drivers), "%s/driver", server_bin);
if ((dir = cupsDirOpen(drivers)) == NULL)
{
fprintf(stderr, "ERROR: [cups-driverd] Unable to open driver directory "
"\"%s\": %s\n",
drivers, strerror(errno));
return (0);
}
/*
* Loop through all of the device drivers...
*/
argv[1] = (char *)"list";
argv[2] = NULL;
while ((dent = cupsDirRead(dir)) != NULL)
{
/*
* Only look at executable files...
*/
if (!(dent->fileinfo.st_mode & 0111) || !S_ISREG(dent->fileinfo.st_mode))
continue;
/*
* Include/exclude specific drivers...
*/
if (exclude)
{
/*
* Look for "scheme" or "scheme*" (prefix match), and skip any matches.
*/
for (scheme = (char *)cupsArrayFirst(exclude);
scheme;
scheme = (char *)cupsArrayNext(exclude))
{
fprintf(stderr, "DEBUG: [cups-driverd] Exclude \"%s\" with \"%s\"?\n",
dent->filename, scheme);
scheme_end = scheme + strlen(scheme) - 1;
if ((scheme_end > scheme && *scheme_end == '*' &&
!strncmp(scheme, dent->filename, (size_t)(scheme_end - scheme))) ||
!strcmp(scheme, dent->filename))
{
fputs("DEBUG: [cups-driverd] Yes, exclude!\n", stderr);
break;
}
}
if (scheme)
continue;
}
if (include)
{
/*
* Look for "scheme" or "scheme*" (prefix match), and skip any non-matches.
*/
for (scheme = (char *)cupsArrayFirst(include);
scheme;
scheme = (char *)cupsArrayNext(include))
{
fprintf(stderr, "DEBUG: [cups-driverd] Include \"%s\" with \"%s\"?\n",
dent->filename, scheme);
scheme_end = scheme + strlen(scheme) - 1;
if ((scheme_end > scheme && *scheme_end == '*' &&
!strncmp(scheme, dent->filename, (size_t)(scheme_end - scheme))) ||
!strcmp(scheme, dent->filename))
{
fputs("DEBUG: [cups-driverd] Yes, include!\n", stderr);
break;
}
}
if (!scheme)
continue;
}
else
scheme = dent->filename;
/*
* Run the driver with no arguments and collect the output...
*/
snprintf(filename, sizeof(filename), "%s/%s", drivers, dent->filename);
if (_cupsFileCheck(filename, _CUPS_FILE_CHECK_PROGRAM, !geteuid(),
_cupsFileCheckFilter, NULL))
continue;
argv[0] = dent->filename;
if ((fp = cupsdPipeCommand(&pid, filename, argv, 0)) != NULL)
{
while (cupsFileGets(fp, line, sizeof(line)))
{
/*
* Each line is of the form:
*
* "ppd-name" ppd-natural-language "ppd-make" "ppd-make-and-model" \
* "ppd-device-id" "ppd-product" "ppd-psversion"
*/
device_id[0] = '\0';
product[0] = '\0';
psversion[0] = '\0';
strlcpy(type_str, "postscript", sizeof(type_str));
if (sscanf(line, "\"%255[^\"]\"%127s%*[ \t]\"%127[^\"]\""
"%*[ \t]\"%127[^\"]\"%*[ \t]\"%255[^\"]\""
"%*[ \t]\"%127[^\"]\"%*[ \t]\"%127[^\"]\""
"%*[ \t]\"%127[^\"]\"",
name, languages, make, make_and_model,
device_id, product, psversion, type_str) < 4)
{
/*
* Bad format; strip trailing newline and write an error message.
*/
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = '\0';
fprintf(stderr, "ERROR: [cups-driverd] Bad line from \"%s\": %s\n",
dent->filename, line);
break;
}
else
{
/*
* Add the device to the array of available devices...
*/
if ((start = strchr(languages, ',')) != NULL)
*start++ = '\0';
for (type = 0;
type < (int)(sizeof(PPDTypes) / sizeof(PPDTypes[0]));
type ++)
if (!strcmp(type_str, PPDTypes[type]))
break;
if (type >= (int)(sizeof(PPDTypes) / sizeof(PPDTypes[0])))
{
fprintf(stderr,
"ERROR: [cups-driverd] Bad ppd-type \"%s\" ignored!\n",
type_str);
type = PPD_TYPE_UNKNOWN;
}
ppd = add_ppd(filename, name, languages, make, make_and_model,
device_id, product, psversion, 0, 0, 0, type, scheme);
if (!ppd)
{
cupsDirClose(dir);
cupsFileClose(fp);
return (0);
}
if (start && *start)
{
for (i = 1; i < PPD_MAX_LANG && *start; i ++)
{
if ((ptr = strchr(start, ',')) != NULL)
*ptr++ = '\0';
else
ptr = start + strlen(start);
strlcpy(ppd->record.languages[i], start,
sizeof(ppd->record.languages[0]));
start = ptr;
}
}
fprintf(stderr, "DEBUG2: [cups-driverd] Added dynamic PPD \"%s\"...\n",
name);
}
}
cupsFileClose(fp);
}
else
fprintf(stderr, "WARNING: [cups-driverd] Unable to execute \"%s\": %s\n",
filename, strerror(errno));
}
cupsDirClose(dir);
return (1);
}
/*
* 'load_ppd()' - Load a PPD file.
*/
static void
load_ppd(const char *filename, /* I - Real filename */
const char *name, /* I - Virtual filename */
const char *scheme, /* I - PPD scheme */
struct stat *fileinfo, /* I - File information */
ppd_info_t *ppd, /* I - Existing PPD file or NULL */
cups_file_t *fp, /* I - File to read from */
off_t end) /* I - End of file position or 0 */
{
int i; /* Looping var */
char line[256], /* Line from file */
*ptr, /* Pointer into line */
lang_version[64], /* PPD LanguageVersion */
lang_encoding[64], /* PPD LanguageEncoding */
country[64], /* Country code */
manufacturer[256], /* Manufacturer */
make_model[256], /* Make and Model */
model_name[256], /* ModelName */
nick_name[256], /* NickName */
device_id[256], /* 1284DeviceID */
product[256], /* Product */
psversion[256], /* PSVersion */
temp[512]; /* Temporary make and model */
int install_group, /* In the installable options group? */
model_number, /* cupsModelNumber */
type; /* ppd-type */
cups_array_t *products, /* Product array */
*psversions, /* PSVersion array */
*cups_languages; /* cupsLanguages array */
int new_ppd; /* Is this a new PPD? */
struct /* LanguageVersion translation table */
{
const char *version, /* LanguageVersion string */
*language; /* Language code */
} languages[] =
{
{ "chinese", "zh" },
{ "czech", "cs" },
{ "danish", "da" },
{ "dutch", "nl" },
{ "english", "en" },
{ "finnish", "fi" },
{ "french", "fr" },
{ "german", "de" },
{ "greek", "el" },
{ "hungarian", "hu" },
{ "italian", "it" },
{ "japanese", "ja" },
{ "korean", "ko" },
{ "norwegian", "no" },
{ "polish", "pl" },
{ "portuguese", "pt" },
{ "russian", "ru" },
{ "simplified chinese", "zh_CN" },
{ "slovak", "sk" },
{ "spanish", "es" },
{ "swedish", "sv" },
{ "traditional chinese", "zh_TW" },
{ "turkish", "tr" }
};
/*
* Now read until we get the required fields...
*/
cups_languages = cupsArrayNew(NULL, NULL);
products = cupsArrayNew(NULL, NULL);
psversions = cupsArrayNew(NULL, NULL);
model_name[0] = '\0';
nick_name[0] = '\0';
manufacturer[0] = '\0';
device_id[0] = '\0';
lang_encoding[0] = '\0';
strlcpy(lang_version, "en", sizeof(lang_version));
model_number = 0;
install_group = 0;
type = PPD_TYPE_POSTSCRIPT;
while ((end == 0 || cupsFileTell(fp) < end) &&
cupsFileGets(fp, line, sizeof(line)))
{
if (!strncmp(line, "*Manufacturer:", 14))
sscanf(line, "%*[^\"]\"%255[^\"]", manufacturer);
else if (!strncmp(line, "*ModelName:", 11))
sscanf(line, "%*[^\"]\"%127[^\"]", model_name);
else if (!strncmp(line, "*LanguageEncoding:", 18))
sscanf(line, "%*[^:]:%63s", lang_encoding);
else if (!strncmp(line, "*LanguageVersion:", 17))
sscanf(line, "%*[^:]:%63s", lang_version);
else if (!strncmp(line, "*NickName:", 10))
sscanf(line, "%*[^\"]\"%255[^\"]", nick_name);
else if (!_cups_strncasecmp(line, "*1284DeviceID:", 14))
{
sscanf(line, "%*[^\"]\"%255[^\"]", device_id);
// Make sure device ID ends with a semicolon...
if (device_id[0] && device_id[strlen(device_id) - 1] != ';')
strlcat(device_id, ";", sizeof(device_id));
}
else if (!strncmp(line, "*Product:", 9))
{
if (sscanf(line, "%*[^\"]\"(%255[^\"]", product) == 1)
{
/*
* Make sure the value ends with a right parenthesis - can't stop at
* the first right paren since the product name may contain escaped
* parenthesis...
*/
ptr = product + strlen(product) - 1;
if (ptr > product && *ptr == ')')
{
/*
* Yes, ends with a parenthesis, so remove it from the end and
* add the product to the list...
*/
*ptr = '\0';
cupsArrayAdd(products, strdup(product));
}
}
}
else if (!strncmp(line, "*PSVersion:", 11))
{
sscanf(line, "%*[^\"]\"%255[^\"]", psversion);
cupsArrayAdd(psversions, strdup(psversion));
}
else if (!strncmp(line, "*cupsLanguages:", 15))
{
char *start; /* Start of language */
for (start = line + 15; *start && isspace(*start & 255); start ++);
if (*start++ == '\"')
{
while (*start)
{
for (ptr = start + 1;
*ptr && *ptr != '\"' && !isspace(*ptr & 255);
ptr ++);
if (*ptr)
{
*ptr++ = '\0';
while (isspace(*ptr & 255))
*ptr++ = '\0';
}
cupsArrayAdd(cups_languages, strdup(start));
start = ptr;
}
}
}
else if (!strncmp(line, "*cupsFax:", 9))
{
for (ptr = line + 9; isspace(*ptr & 255); ptr ++);
if (!_cups_strncasecmp(ptr, "true", 4))
type = PPD_TYPE_FAX;
}
else if ((!strncmp(line, "*cupsFilter:", 12) || !strncmp(line, "*cupsFilter2:", 13)) && type == PPD_TYPE_POSTSCRIPT)
{
if (strstr(line + 12, "application/vnd.cups-raster"))
type = PPD_TYPE_RASTER;
else if (strstr(line + 12, "application/vnd.cups-pdf"))
type = PPD_TYPE_PDF;
}
else if (!strncmp(line, "*cupsModelNumber:", 17))
sscanf(line, "*cupsModelNumber:%d", &model_number);
else if (!strncmp(line, "*OpenGroup: Installable", 23))
install_group = 1;
else if (!strncmp(line, "*CloseGroup:", 12))
install_group = 0;
else if (!strncmp(line, "*OpenUI", 7))
{
/*
* Stop early if we have a NickName or ModelName attributes
* before the first non-installable OpenUI...
*/
if (!install_group && (model_name[0] || nick_name[0]) &&
cupsArrayCount(products) > 0 && cupsArrayCount(psversions) > 0)
break;
}
}
/*
* See if we got all of the required info...
*/
if (nick_name[0])
cupsCharsetToUTF8((cups_utf8_t *)make_model, nick_name,
sizeof(make_model), _ppdGetEncoding(lang_encoding));
else
strlcpy(make_model, model_name, sizeof(make_model));
while (isspace(make_model[0] & 255))
_cups_strcpy(make_model, make_model + 1);
if (!make_model[0] || cupsArrayCount(products) == 0 ||
cupsArrayCount(psversions) == 0)
{
/*
* We don't have all the info needed, so skip this file...
*/
if (!make_model[0])
fprintf(stderr, "WARNING: Missing NickName and ModelName in %s!\n",
filename);
if (cupsArrayCount(products) == 0)
fprintf(stderr, "WARNING: Missing Product in %s!\n", filename);
if (cupsArrayCount(psversions) == 0)
fprintf(stderr, "WARNING: Missing PSVersion in %s!\n", filename);
free_array(products);
free_array(psversions);
free_array(cups_languages);
return;
}
if (model_name[0])
cupsArrayAdd(products, strdup(model_name));
/*
* Normalize the make and model string...
*/
while (isspace(manufacturer[0] & 255))
_cups_strcpy(manufacturer, manufacturer + 1);
if (!_cups_strncasecmp(make_model, manufacturer, strlen(manufacturer)))
strlcpy(temp, make_model, sizeof(temp));
else
snprintf(temp, sizeof(temp), "%s %s", manufacturer, make_model);
_ppdNormalizeMakeAndModel(temp, make_model, sizeof(make_model));
/*
* See if we got a manufacturer...
*/
if (!manufacturer[0] || !strcmp(manufacturer, "ESP"))
{
/*
* Nope, copy the first part of the make and model then...
*/
strlcpy(manufacturer, make_model, sizeof(manufacturer));
/*
* Truncate at the first space, dash, or slash, or make the
* manufacturer "Other"...
*/
for (ptr = manufacturer; *ptr; ptr ++)
if (*ptr == ' ' || *ptr == '-' || *ptr == '/')
break;
if (*ptr && ptr > manufacturer)
*ptr = '\0';
else
strlcpy(manufacturer, "Other", sizeof(manufacturer));
}
else if (!_cups_strncasecmp(manufacturer, "LHAG", 4) ||
!_cups_strncasecmp(manufacturer, "linotype", 8))
strlcpy(manufacturer, "LHAG", sizeof(manufacturer));
else if (!_cups_strncasecmp(manufacturer, "Hewlett", 7))
strlcpy(manufacturer, "HP", sizeof(manufacturer));
/*
* Fix the lang_version as needed...
*/
if ((ptr = strchr(lang_version, '-')) != NULL)
*ptr++ = '\0';
else if ((ptr = strchr(lang_version, '_')) != NULL)
*ptr++ = '\0';
if (ptr)
{
/*
* Setup the country suffix...
*/
country[0] = '_';
_cups_strcpy(country + 1, ptr);
}
else
{
/*
* No country suffix...
*/
country[0] = '\0';
}
for (i = 0; i < (int)(sizeof(languages) / sizeof(languages[0])); i ++)
if (!_cups_strcasecmp(languages[i].version, lang_version))
break;
if (i < (int)(sizeof(languages) / sizeof(languages[0])))
{
/*
* Found a known language...
*/
snprintf(lang_version, sizeof(lang_version), "%s%s",
languages[i].language, country);
}
else
{
/*
* Unknown language; use "xx"...
*/
strlcpy(lang_version, "xx", sizeof(lang_version));
}
/*
* Record the PPD file...
*/
new_ppd = !ppd;
if (new_ppd)
{
/*
* Add new PPD file...
*/
fprintf(stderr, "DEBUG2: [cups-driverd] Adding ppd \"%s\"...\n", name);
ppd = add_ppd(name, name, lang_version, manufacturer, make_model, device_id, (char *)cupsArrayFirst(products), (char *)cupsArrayFirst(psversions), fileinfo->st_mtime, (size_t)fileinfo->st_size, model_number, type, scheme);
if (!ppd)
return;
}
else
{
/*
* Update existing record...
*/
fprintf(stderr, "DEBUG2: [cups-driverd] Updating ppd \"%s\"...\n", name);
memset(ppd, 0, sizeof(ppd_info_t));
ppd->found = 1;
ppd->record.mtime = fileinfo->st_mtime;
ppd->record.size = fileinfo->st_size;
ppd->record.model_number = model_number;
ppd->record.type = type;
strlcpy(ppd->record.filename, name, sizeof(ppd->record.filename));
strlcpy(ppd->record.name, name, sizeof(ppd->record.name));
strlcpy(ppd->record.languages[0], lang_version,
sizeof(ppd->record.languages[0]));
strlcpy(ppd->record.products[0], (char *)cupsArrayFirst(products),
sizeof(ppd->record.products[0]));
strlcpy(ppd->record.psversions[0], (char *)cupsArrayFirst(psversions),
sizeof(ppd->record.psversions[0]));
strlcpy(ppd->record.make, manufacturer, sizeof(ppd->record.make));
strlcpy(ppd->record.make_and_model, make_model,
sizeof(ppd->record.make_and_model));
strlcpy(ppd->record.device_id, device_id, sizeof(ppd->record.device_id));
strlcpy(ppd->record.scheme, scheme, sizeof(ppd->record.scheme));
}
/*
* Add remaining products, versions, and languages...
*/
for (i = 1;
i < PPD_MAX_PROD && (ptr = (char *)cupsArrayNext(products)) != NULL;
i ++)
strlcpy(ppd->record.products[i], ptr,
sizeof(ppd->record.products[0]));
for (i = 1;
i < PPD_MAX_VERS && (ptr = (char *)cupsArrayNext(psversions)) != NULL;
i ++)
strlcpy(ppd->record.psversions[i], ptr,
sizeof(ppd->record.psversions[0]));
for (i = 1, ptr = (char *)cupsArrayFirst(cups_languages);
i < PPD_MAX_LANG && ptr;
i ++, ptr = (char *)cupsArrayNext(cups_languages))
strlcpy(ppd->record.languages[i], ptr,
sizeof(ppd->record.languages[0]));
/*
* Free products, versions, and languages...
*/
free_array(cups_languages);
free_array(products);
free_array(psversions);
ChangedPPD = 1;
}
/*
* 'load_ppds()' - Load PPD files recursively.
*/
static int /* O - 1 on success, 0 on failure */
load_ppds(const char *d, /* I - Actual directory */
const char *p, /* I - Virtual path in name */
int descend) /* I - Descend into directories? */
{
struct stat dinfo, /* Directory information */
*dinfoptr; /* Pointer to match */
cups_file_t *fp; /* Pointer to file */
cups_dir_t *dir; /* Directory pointer */
cups_dentry_t *dent; /* Directory entry */
char filename[1024], /* Name of PPD or directory */
line[256], /* Line from file */
*ptr, /* Pointer into name */
name[256]; /* Name of PPD file */
ppd_info_t *ppd, /* New PPD file */
key; /* Search key */
/*
* See if we've loaded this directory before...
*/
if (stat(d, &dinfo))
{
if (errno != ENOENT)
fprintf(stderr, "ERROR: [cups-driverd] Unable to stat \"%s\": %s\n", d,
strerror(errno));
return (0);
}
else if (cupsArrayFind(Inodes, &dinfo))
{
fprintf(stderr, "ERROR: [cups-driverd] Skipping \"%s\": loop detected!\n",
d);
return (1);
}
/*
* Nope, add it to the Inodes array and continue...
*/
dinfoptr = (struct stat *)malloc(sizeof(struct stat));
memcpy(dinfoptr, &dinfo, sizeof(struct stat));
cupsArrayAdd(Inodes, dinfoptr);
/*
* Check permissions...
*/
if (_cupsFileCheck(d, _CUPS_FILE_CHECK_DIRECTORY, !geteuid(),
_cupsFileCheckFilter, NULL))
return (0);
if ((dir = cupsDirOpen(d)) == NULL)
{
if (errno != ENOENT)
fprintf(stderr,
"ERROR: [cups-driverd] Unable to open PPD directory \"%s\": %s\n",
d, strerror(errno));
return (0);
}
fprintf(stderr, "DEBUG: [cups-driverd] Loading \"%s\"...\n", d);
while ((dent = cupsDirRead(dir)) != NULL)
{
/*
* Skip files/directories starting with "."...
*/
if (dent->filename[0] == '.')
continue;
/*
* See if this is a file...
*/
snprintf(filename, sizeof(filename), "%s/%s", d, dent->filename);
if (p[0])
snprintf(name, sizeof(name), "%s/%s", p, dent->filename);
else
strlcpy(name, dent->filename, sizeof(name));
if (S_ISDIR(dent->fileinfo.st_mode))
{
/*
* Do subdirectory...
*/
if (descend)
{
if (!load_ppds(filename, name, 1))
{
cupsDirClose(dir);
return (1);
}
}
else if ((ptr = filename + strlen(filename) - 14) > filename &&
!strcmp(ptr, ".printerDriver"))
{
/*
* Load PPDs in a printer driver bundle.
*/
if (_cupsFileCheck(filename, _CUPS_FILE_CHECK_DIRECTORY, !geteuid(),
_cupsFileCheckFilter, NULL))
continue;
strlcat(filename, "/Contents/Resources/PPDs", sizeof(filename));
strlcat(name, "/Contents/Resources/PPDs", sizeof(name));
load_ppds(filename, name, 0);
}
continue;
}
else if (strstr(filename, ".plist"))
{
/*
* Skip plist files in the PPDs directory...
*/
continue;
}
else if (_cupsFileCheck(filename, _CUPS_FILE_CHECK_FILE_ONLY, !geteuid(),
_cupsFileCheckFilter, NULL))
continue;
/*
* See if this file has been scanned before...
*/
strlcpy(key.record.filename, name, sizeof(key.record.filename));
strlcpy(key.record.name, name, sizeof(key.record.name));
ppd = (ppd_info_t *)cupsArrayFind(PPDsByName, &key);
if (ppd &&
ppd->record.size == dent->fileinfo.st_size &&
ppd->record.mtime == dent->fileinfo.st_mtime)
{
/*
* Rewind to the first entry for this file...
*/
while ((ppd = (ppd_info_t *)cupsArrayPrev(PPDsByName)) != NULL &&
!strcmp(ppd->record.filename, name));
/*
* Then mark all of the matches for this file as found...
*/
while ((ppd = (ppd_info_t *)cupsArrayNext(PPDsByName)) != NULL &&
!strcmp(ppd->record.filename, name))
ppd->found = 1;
continue;
}
/*
* No, file is new/changed, so re-scan it...
*/
if ((fp = cupsFileOpen(filename, "r")) == NULL)
continue;
/*
* Now see if this is a PPD file...
*/
line[0] = '\0';
cupsFileGets(fp, line, sizeof(line));
if (!strncmp(line, "*PPD-Adobe:", 11))
{
/*
* Yes, load it...
*/
load_ppd(filename, name, "file", &dent->fileinfo, ppd, fp, 0);
}
else
{
/*
* Nope, treat it as a driver information file or archive...
*/
cupsFileRewind(fp);
if ((ptr = strstr(filename, ".tar")) != NULL &&
(!strcmp(ptr, ".tar") || !strcmp(ptr, ".tar.gz")))
load_tar(filename, name, fp, dent->fileinfo.st_mtime,
dent->fileinfo.st_size);
else
load_drv(filename, name, fp, dent->fileinfo.st_mtime,
dent->fileinfo.st_size);
}
/*
* Close the file...
*/
cupsFileClose(fp);
}
cupsDirClose(dir);
return (1);
}
/*
* 'load_ppds_dat()' - Load the ppds.dat file.
*/
static void
load_ppds_dat(char *filename, /* I - Filename buffer */
size_t filesize, /* I - Size of filename buffer */
int verbose) /* I - Be verbose? */
{
ppd_info_t *ppd; /* Current PPD file */
cups_file_t *fp; /* ppds.dat file */
struct stat fileinfo; /* ppds.dat information */
const char *cups_cachedir; /* CUPS_CACHEDIR environment variable */
PPDsByName = cupsArrayNew((cups_array_func_t)compare_names, NULL);
PPDsByMakeModel = cupsArrayNew((cups_array_func_t)compare_ppds, NULL);
ChangedPPD = 0;
if (!filename[0])
{
if ((cups_cachedir = getenv("CUPS_CACHEDIR")) == NULL)
cups_cachedir = CUPS_CACHEDIR;
snprintf(filename, filesize, "%s/ppds.dat", cups_cachedir);
}
if ((fp = cupsFileOpen(filename, "r")) != NULL)
{
/*
* See if we have the right sync word...
*/
unsigned ppdsync; /* Sync word */
int num_ppds; /* Number of PPDs */
if ((size_t)cupsFileRead(fp, (char *)&ppdsync, sizeof(ppdsync)) == sizeof(ppdsync) &&
ppdsync == PPD_SYNC &&
!stat(filename, &fileinfo) &&
(((size_t)fileinfo.st_size - sizeof(ppdsync)) % sizeof(ppd_rec_t)) == 0 &&
(num_ppds = ((size_t)fileinfo.st_size - sizeof(ppdsync)) / sizeof(ppd_rec_t)) > 0)
{
/*
* We have a ppds.dat file, so read it!
*/
for (; num_ppds > 0; num_ppds --)
{
if ((ppd = (ppd_info_t *)calloc(1, sizeof(ppd_info_t))) == NULL)
{
if (verbose)
fputs("ERROR: [cups-driverd] Unable to allocate memory for PPD!\n",
stderr);
exit(1);
}
if (cupsFileRead(fp, (char *)&(ppd->record), sizeof(ppd_rec_t)) > 0)
{
cupsArrayAdd(PPDsByName, ppd);
cupsArrayAdd(PPDsByMakeModel, ppd);
}
else
{
free(ppd);
break;
}
}
if (verbose)
fprintf(stderr, "INFO: [cups-driverd] Read \"%s\", %d PPDs...\n",
filename, cupsArrayCount(PPDsByName));
}
cupsFileClose(fp);
}
}
/*
* 'load_tar()' - Load archived PPD files.
*/
static int /* O - 1 on success, 0 on failure */
load_tar(const char *filename, /* I - Actual filename */
const char *name, /* I - Name to the rest of the world */
cups_file_t *fp, /* I - File to read from */
time_t mtime, /* I - Mod time of driver info file */
off_t size) /* I - Size of driver info file */
{
char curname[256], /* Current archive file name */
uri[1024]; /* Virtual file URI */
const char *curext; /* Extension on file */
struct stat curinfo; /* Current archive file information */
off_t next; /* Position for next header */
/*
* Add a dummy entry for the file...
*/
(void)filename;
add_ppd(name, name, "", "", "", "", "", "", mtime, (size_t)size, 0, PPD_TYPE_ARCHIVE, "file");
ChangedPPD = 1;
/*
* Scan for PPDs in the archive...
*/
while (read_tar(fp, curname, sizeof(curname), &curinfo))
{
next = cupsFileTell(fp) + ((curinfo.st_size + TAR_BLOCK - 1) &
~(TAR_BLOCK - 1));
if ((curext = strrchr(curname, '.')) != NULL &&
!_cups_strcasecmp(curext, ".ppd"))
{
httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "file", "", "",
0, "/%s/%s", name, curname);
load_ppd(name, uri, "file", &curinfo, NULL, fp, next);
}
if (cupsFileTell(fp) != next)
cupsFileSeek(fp, next);
}
return (1);
}
/*
* 'read_tar()' - Read a file header from an archive.
*
* This function skips all directories and special files.
*/
static int /* O - 1 if found, 0 on EOF */
read_tar(cups_file_t *fp, /* I - Archive to read */
char *name, /* I - Filename buffer */
size_t namesize, /* I - Size of filename buffer */
struct stat *info) /* O - File information */
{
tar_rec_t record; /* Record from file */
while ((size_t)cupsFileRead(fp, (char *)&record, sizeof(record)) == sizeof(record))
{
/*
* Check for a valid tar header...
*/
if (memcmp(record.header.magic, TAR_MAGIC, 6) ||
memcmp(record.header.version, TAR_VERSION, 2))
{
if (record.header.magic[0] ||
memcmp(record.header.magic, record.header.magic + 1, 5))
fputs("ERROR: [cups-driverd] Bad tar magic/version.\n", stderr);
break;
}
/*
* Ignore non-files...
*/
if (record.header.linkflag != TAR_OLDNORMAL &&
record.header.linkflag != TAR_NORMAL)
continue;
/*
* Grab size and name from tar header and return...
*/
if (record.header.prefix[0])
snprintf(name, namesize, "%s/%s", record.header.prefix,
record.header.pathname);
else
strlcpy(name, record.header.pathname, namesize);
info->st_mtime = strtol(record.header.mtime, NULL, 8);
info->st_size = strtoll(record.header.size, NULL, 8);
return (1);
}
return (0);
}
/*
* 'regex_device_id()' - Compile a regular expression based on the 1284 device
* ID.
*/
static regex_t * /* O - Regular expression */
regex_device_id(const char *device_id) /* I - IEEE-1284 device ID */
{
char res[2048], /* Regular expression string */
*ptr; /* Pointer into string */
regex_t *re; /* Regular expression */
int cmd; /* Command set string? */
fprintf(stderr, "DEBUG: [cups-driverd] regex_device_id(\"%s\")\n", device_id);
/*
* Scan the device ID string and insert class, command set, manufacturer, and
* model attributes to match. We assume that the device ID in the PPD and the
* device ID reported by the device itself use the same attribute names and
* order of attributes.
*/
ptr = res;
while (*device_id && ptr < (res + sizeof(res) - 6))
{
cmd = !_cups_strncasecmp(device_id, "COMMAND SET:", 12) ||
!_cups_strncasecmp(device_id, "CMD:", 4);
if (cmd || !_cups_strncasecmp(device_id, "MANUFACTURER:", 13) ||
!_cups_strncasecmp(device_id, "MFG:", 4) ||
!_cups_strncasecmp(device_id, "MFR:", 4) ||
!_cups_strncasecmp(device_id, "MODEL:", 6) ||
!_cups_strncasecmp(device_id, "MDL:", 4))
{
if (ptr > res)
{
*ptr++ = '.';
*ptr++ = '*';
}
*ptr++ = '(';
while (*device_id && *device_id != ';' && ptr < (res + sizeof(res) - 8))
{
if (strchr("[]{}().*\\|", *device_id))
*ptr++ = '\\';
if (*device_id == ':')
{
/*
* KEY:.*value
*/
*ptr++ = *device_id++;
*ptr++ = '.';
*ptr++ = '*';
}
else
*ptr++ = *device_id++;
}
if (*device_id == ';' || !*device_id)
{
/*
* KEY:.*value.*;
*/
*ptr++ = '.';
*ptr++ = '*';
*ptr++ = ';';
}
*ptr++ = ')';
if (cmd)
*ptr++ = '?';
}
else if ((device_id = strchr(device_id, ';')) == NULL)
break;
else
device_id ++;
}
*ptr = '\0';
fprintf(stderr, "DEBUG: [cups-driverd] regex_device_id: \"%s\"\n", res);
/*
* Compile the regular expression and return...
*/
if (res[0] && (re = (regex_t *)calloc(1, sizeof(regex_t))) != NULL)
{
if (!regcomp(re, res, REG_EXTENDED | REG_ICASE))
{
fputs("DEBUG: [cups-driverd] regex_device_id: OK\n", stderr);
return (re);
}
free(re);
}
return (NULL);
}
/*
* 'regex_string()' - Construct a regular expression to compare a simple string.
*/
static regex_t * /* O - Regular expression */
regex_string(const char *s) /* I - String to compare */
{
char res[2048], /* Regular expression string */
*ptr; /* Pointer into string */
regex_t *re; /* Regular expression */
fprintf(stderr, "DEBUG: [cups-driverd] regex_string(\"%s\")\n", s);
/*
* Convert the string to a regular expression, escaping special characters
* as needed.
*/
ptr = res;
while (*s && ptr < (res + sizeof(res) - 2))
{
if (strchr("[]{}().*\\", *s))
*ptr++ = '\\';
*ptr++ = *s++;
}
*ptr = '\0';
fprintf(stderr, "DEBUG: [cups-driverd] regex_string: \"%s\"\n", res);
/*
* Create a case-insensitive regular expression...
*/
if (res[0] && (re = (regex_t *)calloc(1, sizeof(regex_t))) != NULL)
{
if (!regcomp(re, res, REG_ICASE))
{
fputs("DEBUG: [cups-driverd] regex_string: OK\n", stderr);
return (re);
}
free(re);
}
return (NULL);
}
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