https://bugs.gentoo.org/940314
https://github.com/OpenPrinting/libppd/commit/d681747ebf12602cb426725eb8ce2753211e2477
From d681747ebf12602cb426725eb8ce2753211e2477 Mon Sep 17 00:00:00 2001
From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Thu, 26 Sep 2024 23:12:14 +0200
Subject: [PATCH] Prevent PPD generation based on invalid IPP response
Author: Mike Sweet
Minor fixes: Zdenek Dohnal
Fixes CVE-2024-47175
--- a/ppd/ppd-cache.c
+++ b/ppd/ppd-cache.c
@@ -3434,7 +3435,7 @@ ppdCacheGetBin(
//
// Range check input...
-
+
if (!pc || !output_bin)
return (NULL);
@@ -3935,7 +3936,7 @@ ppdCacheGetPageSize(
{
//
// Check not only the base size (like "A4") but also variants (like
- // "A4.Borderless"). We check only the margins and orientation but do
+ // "A4.Borderless"). We check only the margins and orientation but do
// not re-check the size.
//
@@ -4776,7 +4777,7 @@ ppdPwgPpdizeName(const char *ipp, // I - IPP keyword
*end; // End of name buffer
- if (!ipp)
+ if (!ipp || !_ppd_isalnum(*ipp))
{
*name = '\0';
return;
@@ -4786,13 +4787,19 @@ ppdPwgPpdizeName(const char *ipp, // I - IPP keyword
for (ptr = name + 1, end = name + namesize - 1; *ipp && ptr < end;)
{
- if (*ipp == '-' && _ppd_isalnum(ipp[1]))
+ if (*ipp == '-' && isalnum(ipp[1]))
{
ipp ++;
*ptr++ = (char)toupper(*ipp++ & 255);
}
- else
+ else if (*ipp == '_' || *ipp == '.' || *ipp == '-' || isalnum(*ipp))
+ {
*ptr++ = *ipp++;
+ }
+ else
+ {
+ ipp ++;
+ }
}
*ptr = '\0';
--- a/ppd/ppd-generator.c
+++ b/ppd/ppd-generator.c
@@ -71,6 +72,7 @@ typedef struct _ppd_size_s // **** Media Size (cups_size_t of lib
static int http_connect(http_t **http, const char *url, char *resource,
size_t ressize);
+static void ppd_put_string(cups_file_t *fp, cups_lang_t *lang, const char *ppd_option, const char *ppd_choice, const char *pwg_msgid);
//
@@ -80,7 +82,7 @@ static int http_connect(http_t **http, const char *url, char *resource,
// than CUPS 2.2.x. We have also an additional test and development
// platform for this code. Taken from cups/ppd-cache.c,
// cups/string-private.h, cups/string.c.
-//
+//
// The advantage of PPD generation instead of working with System V
// interface scripts is that the print dialogs of the clients do not
// need to ask the printer for its options via IPP. So we have access
@@ -144,7 +146,7 @@ char ppdgenerator_msg[1024];
// IPP 1.x legacy)
//
-char * // O - PPD filename or NULL
+char * // O - PPD filename or NULL
// on error
ppdCreatePPDFromIPP(char *buffer, // I - Filename buffer
size_t bufsize, // I - Size of filename
@@ -195,7 +197,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
cups_array_t *conflicts, // I - Array of
// constraints
cups_array_t *sizes, // I - Media sizes we've
- // added
+ // added
char* default_pagesize, // I - Default page size
const char *default_cluster_color, // I - cluster def
// color (if cluster's
@@ -207,6 +209,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
size_t status_msg_size) // I - Size of status
// message buffer
{
+ cups_lang_t *lang; // Localization language
cups_file_t *fp; // PPD file
cups_array_t *printer_sizes; // Media sizes we've added
_ppd_size_t *size; // Current media size
@@ -219,9 +222,10 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
ipp_t *media_col, // Media collection
*media_size; // Media size collection
char make[256], // Make and model
- *model, // Model name
+ *mptr, // Pointer into make and model
ppdname[PPD_MAX_NAME];
// PPD keyword
+ const char *model; // Model name
int i, j, // Looping vars
count = 0, // Number of values
bottom, // Largest bottom margin
@@ -303,6 +307,68 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
return (NULL);
}
+ //
+ // Get a sanitized make and model...
+ //
+
+ if ((attr = ippFindAttribute(supported, "printer-make-and-model", IPP_TAG_TEXT)) != NULL && ippValidateAttribute(attr))
+ {
+ // Sanitize the model name to only contain PPD-safe characters.
+ strlcpy(make, ippGetString(attr, 0, NULL), sizeof(make));
+
+ for (mptr = make; *mptr; mptr ++)
+ {
+ if (*mptr < ' ' || *mptr >= 127 || *mptr == '\"')
+ {
+ // Truncate the make and model on the first bad character...
+ *mptr = '\0';
+ break;
+ }
+ }
+
+ while (mptr > make)
+ {
+ // Strip trailing whitespace...
+ mptr --;
+ if (*mptr == ' ')
+ *mptr = '\0';
+ }
+
+ if (!make[0])
+ {
+ // Use a default make and model if nothing remains...
+ strlcpy(make, "Unknown", sizeof(make));
+ }
+ }
+ else
+ {
+ // Use a default make and model...
+ strlcpy(make, "Unknown", sizeof(make));
+ }
+
+ if (!strncasecmp(make, "Hewlett Packard ", 16) || !strncasecmp(make, "Hewlett-Packard ", 16))
+ {
+ // Normalize HP printer make and model...
+ model = make + 16;
+ strlcpy(make, "HP", sizeof(make));
+
+ if (!strncasecmp(model, "HP ", 3))
+ model += 3;
+ }
+ else if ((mptr = strchr(make, ' ')) != NULL)
+ {
+ // Separate "MAKE MODEL"...
+ while (*mptr && *mptr == ' ')
+ *mptr++ = '\0';
+
+ model = mptr;
+ }
+ else
+ {
+ // No separate model name...
+ model = "Printer";
+ }
+
//
// Standard stuff for PPD file...
//
@@ -331,25 +397,6 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
}
}
- if ((attr = ippFindAttribute(supported, "printer-make-and-model",
- IPP_TAG_TEXT)) != NULL)
- strlcpy(make, ippGetString(attr, 0, NULL), sizeof(make));
- else if (make_model && make_model[0] != '\0')
- strlcpy(make, make_model, sizeof(make));
- else
- strlcpy(make, "Unknown Printer", sizeof(make));
-
- if (!strncasecmp(make, "Hewlett Packard ", 16) ||
- !strncasecmp(make, "Hewlett-Packard ", 16))
- {
- model = make + 16;
- strlcpy(make, "HP", sizeof(make));
- }
- else if ((model = strchr(make, ' ')) != NULL)
- *model++ = '\0';
- else
- model = make;
-
cupsFilePrintf(fp, "*Manufacturer: \"%s\"\n", make);
cupsFilePrintf(fp, "*ModelName: \"%s %s\"\n", make, model);
cupsFilePrintf(fp, "*Product: \"(%s %s)\"\n", make, model);
@@ -445,21 +492,19 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
}
cupsFilePuts(fp, "\"\n");
- if ((attr = ippFindAttribute(supported, "printer-more-info", IPP_TAG_URI)) !=
- NULL)
+ if ((attr = ippFindAttribute(supported, "printer-more-info", IPP_TAG_URI)) != NULL && ippValidateAttribute(attr))
cupsFilePrintf(fp, "*APSupplies: \"%s\"\n", ippGetString(attr, 0, NULL));
- if ((attr = ippFindAttribute(supported, "printer-charge-info-uri",
- IPP_TAG_URI)) != NULL)
- cupsFilePrintf(fp, "*cupsChargeInfoURI: \"%s\"\n", ippGetString(attr, 0,
- NULL));
+ if ((attr = ippFindAttribute(supported, "printer-charge-info-uri", IPP_TAG_URI)) != NULL && ippValidateAttribute(attr))
+ cupsFilePrintf(fp, "*cupsChargeInfoURI: \"%s\"\n", ippGetString(attr, 0, NULL));
// Message catalogs for UI strings
+ lang = cupsLangDefault();
opt_strings_catalog = cfCatalogOptionArrayNew();
cfCatalogLoad(NULL, NULL, opt_strings_catalog);
if ((attr = ippFindAttribute(supported, "printer-strings-uri",
- IPP_TAG_URI)) != NULL)
+ IPP_TAG_URI)) != NULL && ippValidateAttribute(attr))
{
printer_opt_strings_catalog = cfCatalogOptionArrayNew();
cfCatalogLoad(ippGetString(attr, 0, NULL), NULL,
@@ -512,7 +557,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
response = cupsDoRequest(http, request, resource);
if ((attr = ippFindAttribute(response, "printer-strings-uri",
- IPP_TAG_URI)) != NULL)
+ IPP_TAG_URI)) != NULL && ippValidateAttribute(attr))
cupsFilePrintf(fp, "*cupsStringsURI %s: \"%s\"\n", keyword,
ippGetString(attr, 0, NULL));
@@ -538,13 +583,10 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
IPP_TAG_BOOLEAN), 0))
cupsFilePuts(fp, "*cupsJobAccountingUserId: True\n");
- if ((attr = ippFindAttribute(supported, "printer-privacy-policy-uri",
- IPP_TAG_URI)) != NULL)
- cupsFilePrintf(fp, "*cupsPrivacyURI: \"%s\"\n",
- ippGetString(attr, 0, NULL));
+ if ((attr = ippFindAttribute(supported, "printer-privacy-policy-uri", IPP_TAG_URI)) != NULL && ippValidateAttribute(attr))
+ cupsFilePrintf(fp, "*cupsPrivacyURI: \"%s\"\n", ippGetString(attr, 0, NULL));
- if ((attr = ippFindAttribute(supported, "printer-mandatory-job-attributes",
- IPP_TAG_KEYWORD)) != NULL)
+ if ((attr = ippFindAttribute(supported, "printer-mandatory-job-attributes", IPP_TAG_KEYWORD)) != NULL && ippValidateAttribute(attr))
{
char prefix = '\"'; // Prefix for string
@@ -564,8 +606,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
cupsFilePuts(fp, "\"\n");
}
- if ((attr = ippFindAttribute(supported, "printer-requested-job-attributes",
- IPP_TAG_KEYWORD)) != NULL)
+ if ((attr = ippFindAttribute(supported, "printer-requested-job-attributes", IPP_TAG_KEYWORD)) != NULL && ippValidateAttribute(attr))
{
char prefix = '\"'; // Prefix for string
@@ -684,7 +725,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
}
//
- // Fax
+ // Fax
//
if (is_fax)
@@ -734,21 +775,21 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
else if (cupsArrayFind(pdl_list, "image/urf") &&
(ippFindAttribute(supported, "urf-supported", IPP_TAG_KEYWORD) != NULL))
{
- int resStore = 0; // Variable for storing the no. of resolutions in the resolution array
+ int resStore = 0; // Variable for storing the no. of resolutions in the resolution array
int resArray[__INT16_MAX__]; // Creating a resolution array supporting a maximum of 32767 resolutions.
int lowdpi = 0, middpi = 0, hidpi = 0; // Lower , middle and higher resolution
if ((attr = ippFindAttribute(supported, "urf-supported",
IPP_TAG_KEYWORD)) != NULL)
{
for (int i = 0, count = ippGetCount(attr); i < count; i ++)
- {
+ {
const char *rs = ippGetString(attr, i, NULL); // RS values
- const char *rsCopy = ippGetString(attr, i, NULL); // RS values(copy)
+ const char *rsCopy = ippGetString(attr, i, NULL); // RS values(copy)
if (strncasecmp(rs, "RS", 2)) // Comparing attributes to have RS in
// the beginning to indicate the
// resolution feature
continue;
- int resCount = 0; // Using a count variable which can be reset
+ int resCount = 0; // Using a count variable which can be reset
while (*rsCopy != '\0') // Parsing through the copy pointer to
// determine the no. of resolutions
{
@@ -846,7 +887,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
formatfound = 1;
is_apple = 1;
}
- }
+ }
}
}
}
@@ -924,7 +965,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
if (manual_copies == 1)
cupsFilePuts(fp, "*cupsManualCopies: True\n");
- // No resolution requirements by any of the supported PDLs?
+ // No resolution requirements by any of the supported PDLs?
// Use "printer-resolution-supported" attribute
if (common_res == NULL)
{
@@ -1042,7 +1083,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
//
// PageSize/PageRegion/ImageableArea/PaperDimension
//
-
+
cfGenerateSizes(supported, CF_GEN_SIZES_DEFAULT, &printer_sizes, &defattr,
NULL, NULL, NULL, NULL, NULL, NULL,
&min_width, &min_length,
@@ -1421,15 +1462,15 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
if (!strcmp(sources[j], keyword))
break;
if (j >= 0)
- cupsFilePrintf(fp, "*InputSlot %s%s%s: \"<</MediaPosition %d>>setpagedevice\"\n",
- ppdname,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""), j);
+ {
+ cupsFilePrintf(fp, "*InputSlot %s: \"<</MediaPosition %d>>setpagedevice\"\n", ppdname, j);
+ ppd_put_string(fp, lang, "InputSlot", ppdname, human_readable);
+ }
else
- cupsFilePrintf(fp, "*InputSlot %s%s%s: \"\"\n",
- ppdname,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ {
+ cupsFilePrintf(fp, "*InputSlot %s%s%s:\"\"\n", ppdname, human_readable ? "/" : "", human_readable ? human_readable : "");
+ ppd_put_string(fp, lang, "InputSlot", ppdname, human_readable);
+ }
}
cupsFilePuts(fp, "*CloseUI: *InputSlot\n");
}
@@ -1464,11 +1505,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice((char *)keyword, "media-type",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*MediaType %s%s%s: \"<</MediaType(%s)>>setpagedevice\"\n",
- ppdname,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""),
- ppdname);
+ cupsFilePrintf(fp, "*MediaType %s: \"<</MediaType(%s)>>setpagedevice\"\n", ppdname, ppdname);
+ ppd_put_string(fp, lang, "MediaType", ppdname, human_readable);
}
cupsFilePuts(fp, "*CloseUI: *MediaType\n");
}
@@ -1791,10 +1829,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice((char *)keyword, "output-bin",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*OutputBin %s%s%s: \"\"\n",
- ppdname,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ cupsFilePrintf(fp, "*OutputBin %s: \"\"\n", ppdname);
+ ppd_put_string(fp, lang, "OutputBin", ppdname, human_readable);
outputorderinfofound = 0;
faceupdown = 1;
firsttolast = 1;
@@ -1848,7 +1884,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
//
// Finishing options...
- //
+ //
if ((attr = ippFindAttribute(supported, "finishings-supported",
IPP_TAG_ENUM)) != NULL)
@@ -1973,9 +2009,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice(buf, "finishings",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*StapleLocation %s%s%s: \"\"\n", ppd_keyword,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ cupsFilePrintf(fp, "*StapleLocation %s: \"\"\n", ppd_keyword);
+ ppd_put_string(fp, lang, "StapleLocation", ppd_keyword, human_readable);
cupsFilePrintf(fp, "*cupsIPPFinishings %d/%s: \"*StapleLocation %s\"\n",
value, keyword, ppd_keyword);
}
@@ -2065,9 +2100,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice(buf, "finishings",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*FoldType %s%s%s: \"\"\n", ppd_keyword,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ cupsFilePrintf(fp, "*FoldType %s: \"\"\n", ppd_keyword);
+ ppd_put_string(fp, lang, "FoldType", ppd_keyword, human_readable);
cupsFilePrintf(fp, "*cupsIPPFinishings %d/%s: \"*FoldType %s\"\n",
value, keyword, ppd_keyword);
}
@@ -2164,9 +2198,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice(buf, "finishings",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*PunchMedia %s%s%s: \"\"\n", ppd_keyword,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ cupsFilePrintf(fp, "*PunchMedia %s: \"\"\n", ppd_keyword);
+ ppd_put_string(fp, lang, "PunchMedia", ppd_keyword, human_readable);
cupsFilePrintf(fp, "*cupsIPPFinishings %d/%s: \"*PunchMedia %s\"\n",
value, keyword, ppd_keyword);
}
@@ -2257,9 +2290,8 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
human_readable = cfCatalogLookUpChoice(buf, "finishings",
opt_strings_catalog,
printer_opt_strings_catalog);
- cupsFilePrintf(fp, "*CutMedia %s%s%s: \"\"\n", ppd_keyword,
- (human_readable ? "/" : ""),
- (human_readable ? human_readable : ""));
+ cupsFilePrintf(fp, "*CutMedia %s: \"\"\n", ppd_keyword);
+ ppd_put_string(fp, lang, "CutMedia", ppd_keyword, human_readable);
cupsFilePrintf(fp, "*cupsIPPFinishings %d/%s: \"*CutMedia %s\"\n",
value, keyword, ppd_keyword);
}
@@ -2283,7 +2315,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
cupsFilePrintf(fp, "*OpenUI *cupsFinishingTemplate/%s: PickOne\n",
(human_readable ? human_readable : "Finishing Template"));
cupsFilePuts(fp, "*OrderDependency: 10 AnySetup *cupsFinishingTemplate\n");
- cupsFilePuts(fp, "*DefaultcupsFinishingTemplate: none\n");
+ cupsFilePuts(fp, "*DefaultcupsFinishingTemplate: None\n");
human_readable = cfCatalogLookUpChoice("3", "finishings",
opt_strings_catalog,
printer_opt_strings_catalog);
@@ -2314,8 +2346,9 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
printer_opt_strings_catalog);
if (human_readable == NULL)
human_readable = (char *)keyword;
- cupsFilePrintf(fp, "*cupsFinishingTemplate %s/%s: \"\n", keyword,
- human_readable);
+ ppdPwgPpdizeName(keyword, ppdname, sizeof(ppdname));
+ cupsFilePrintf(fp, "*cupsFinishingTemplate %s: \"\n", ppdname);
+ ppd_put_string(fp, lang, "cupsFinishingTemplate", ppdname, human_readable);
for (finishing_attr = ippGetFirstAttribute(finishing_col); finishing_attr;
finishing_attr = ippGetNextAttribute(finishing_col)) {
if (ippGetValueTag(finishing_attr) == IPP_TAG_BEGIN_COLLECTION) {
@@ -2579,14 +2612,14 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
if (!preset || !preset_name)
continue;
- if ((localized_name =
+ ppdPwgPpdizeName(preset_name, ppdname, sizeof(ppdname));
+
+ localized_name =
cfCatalogLookUpOption((char *)preset_name,
opt_strings_catalog,
- printer_opt_strings_catalog)) == NULL)
- cupsFilePrintf(fp, "*APPrinterPreset %s: \"\n", preset_name);
- else
- cupsFilePrintf(fp, "*APPrinterPreset %s/%s: \"\n", preset_name,
- localized_name);
+ printer_opt_strings_catalog);
+ cupsFilePrintf(fp, "*APPrinterPreset %s: \"\n", ppdname);
+ ppd_put_string(fp, lang, "APPrinterPreset", ppdname, localized_name);
for (member = ippGetFirstAttribute(preset); member;
member = ippGetNextAttribute(preset))
@@ -2635,7 +2668,10 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
ippGetString(ippFindAttribute(fin_col,
"finishing-template",
IPP_TAG_ZERO), 0, NULL)) != NULL)
- cupsFilePrintf(fp, "*cupsFinishingTemplate %s\n", keyword);
+ {
+ ppdPwgPpdizeName(keyword, ppdname, sizeof(ppdname));
+ cupsFilePrintf(fp, "*cupsFinishingTemplate %s\n", ppdname);
+ }
}
}
else if (!strcmp(member_name, "media"))
@@ -2674,7 +2710,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
NULL)) != NULL)
{
ppdPwgPpdizeName(keyword, ppdname, sizeof(ppdname));
- cupsFilePrintf(fp, "*InputSlot %s\n", keyword);
+ cupsFilePrintf(fp, "*InputSlot %s\n", ppdname);
}
if ((keyword = ippGetString(ippFindAttribute(media_col, "media-type",
@@ -2682,7 +2718,7 @@ ppdCreatePPDFromIPP2(char *buffer, // I - Filename buffer
NULL)) != NULL)
{
ppdPwgPpdizeName(keyword, ppdname, sizeof(ppdname));
- cupsFilePrintf(fp, "*MediaType %s\n", keyword);
+ cupsFilePrintf(fp, "*MediaType %s\n", ppdname);
}
}
else if (!strcmp(member_name, "print-quality"))
@@ -2832,3 +2868,38 @@ http_connect(http_t **http, // IO - Current HTTP connection
return (*http != NULL);
}
+
+
+/*
+ * 'ppd_put_strings()' - Write localization attributes to a PPD file.
+ */
+
+static void
+ppd_put_string(cups_file_t *fp, /* I - PPD file */
+ cups_lang_t *lang, /* I - Language */
+ const char *ppd_option,/* I - PPD option */
+ const char *ppd_choice,/* I - PPD choice */
+ const char *text) /* I - Localized text */
+{
+ if (!text)
+ return;
+
+ // Add the first line of localized text...
+#if CUPS_VERSION_MAJOR > 2
+ cupsFilePrintf(fp, "*%s.%s %s/", cupsLangGetName(lang), ppd_option, ppd_choice);
+#else
+ cupsFilePrintf(fp, "*%s.%s %s/", lang->language, ppd_option, ppd_choice);
+#endif // CUPS_VERSION_MAJOR > 2
+
+ while (*text && *text != '\n')
+ {
+ // Escape ":" and "<"...
+ if (*text == ':' || *text == '<')
+ cupsFilePrintf(fp, "<%02X>", *text);
+ else
+ cupsFilePutChar(fp, *text);
+
+ text ++;
+ }
+ cupsFilePuts(fp, ": \"\"\n");
+}