Add very early support for compressed PPDs to make_driver_db_cups

This relates to Bug 2191

1 files changed, 199 insertions, 85 deletions

diff --git a/tdeprint/cups/make_driver_db_cups.c b/tdeprint/cups/make_driver_db_cups.c
index b39dda8de..bba9adce2 100644
--- a/tdeprint/cups/make_driver_db_cups.c
+++ b/tdeprint/cups/make_driver_db_cups.c
@@ -1,3 +1,23 @@
+/*
+ *  This file is part of the KDE libraries
+ *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
+ *  Copyright (c) 2014 Timothy Pearson <kb9vqf@pearsoncomputing.net>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
 #include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -11,65 +31,163 @@
 
 #include "driverparse.h"
 
+#define PROCESS_PPD_FILE_CONTENTS												\
+		memset(value,0,256);												\
+		c1 = strchr(line,':');												\
+		if (c1)														\
+		{														\
+			c2 = strchr(c1,'"');											\
+			if (c2)													\
+			{													\
+				c2++;												\
+				c1 = strchr(c2,'"');										\
+				if (c1) strlcpy(value,c2,c1-c2+1);								\
+			}													\
+			else													\
+			{													\
+				c1++;												\
+				while (*c1 && isspace(*c1))									\
+					c1++;											\
+				if (!*c1)											\
+					continue;										\
+				c2 = line+strlen(line)-1;	/* point to \n */						\
+				while (*c2 && isspace(*c2))									\
+					c2--;											\
+				strlcpy(value,c1,c2-c1+2);									\
+			}													\
+		}														\
+		count++;													\
+		if (strncmp(line,"*Manufacturer:",14) == 0) fprintf(output_file,"MANUFACTURER=%s\n",value);			\
+		else if (strncmp(line,"*ShortNickName:",15) == 0) fprintf(output_file,"MODEL=%s\n",value);			\
+		else if (strncmp(line,"*ModelName:",11) == 0) fprintf(output_file,"MODELNAME=%s\n",value);			\
+		else if (strncmp(line,"*NickName:",10) == 0) strncat(desc,value,255-strlen(desc));				\
+		else if (strncmp(line,"*pnpManufacturer:",17) == 0) fprintf(output_file,"PNPMANUFACTURER=%s\n",value);		\
+		else if (strncmp(line,"*pnpModel:",10) == 0) fprintf(output_file,"PNPMODEL=%s\n",value);			\
+		else if (strncmp(line,"*LanguageVersion:",17) == 0) strncat(langver,value,63-strlen(langver));			\
+		else count--;													\
+		/* Either we got everything we needed, or we encountered an "OpenUI" directive					\
+		 * and it's reasonable to assume that there's no needed info further in the file,				\
+		 * just stop here */												\
+		if (count >= 7 || strncmp(line, "*OpenUI", 7) == 0)								\
+		{														\
+			if (strlen(langver) > 0)										\
+			{													\
+				strncat(desc, " [", 255-strlen(desc));								\
+				strncat(desc, langver, 255-strlen(desc));							\
+				strncat(desc, "]", 255-strlen(desc));								\
+			}													\
+			if (strlen(desc) > 0)											\
+				fprintf(output_file, "DESCRIPTION=%s\n", desc);							\
+			break;													\
+		}
+
 void initPpd(const char *dirname)
 {
-	DIR	*dir = opendir(dirname);
-	struct dirent	*entry;
-	char		buffer[4096] = {0};
-	char	drFile[256];
-	int		len = strlen(dirname);
-
-	if (dir == NULL)
-	{
+	struct stat stat_res;
+	if (stat(dirname, &stat_res) == -1) {
 		fprintf(stderr, "Can't open drivers directory : %s\n", dirname);
 		return;
 	}
-	while ((entry=readdir(dir)) != NULL)
-	{
-		if (strcmp(entry->d_name,".") == 0 || strcmp(entry->d_name,"..") == 0)
+
+	if (S_ISDIR(stat_res.st_mode)) {
+		DIR	*dir = opendir(dirname);
+		struct dirent	*entry;
+		char		buffer[4096] = {0};
+		char	drFile[256];
+		int		len = strlen(dirname);
+	
+		if (dir == NULL)
 		{
-			continue;
+			fprintf(stderr, "Can't open drivers directory : %s\n", dirname);
+			return;
 		}
-		if (len+strlen(entry->d_name)+1 < 4096)
+		while ((entry=readdir(dir)) != NULL)
 		{
-			struct stat	st;
-
-			strcpy(buffer,dirname);
-			strcat(buffer,"/");
-			strcat(buffer,entry->d_name);
-			if (stat(buffer,&st) == 0)
+			if (strcmp(entry->d_name,".") == 0 || strcmp(entry->d_name,"..") == 0)
 			{
-				if (S_ISDIR(st.st_mode))
-				{
-					initPpd(buffer);
-				}
-				else if (S_ISREG(st.st_mode))
+				continue;
+			}
+			if (len+strlen(entry->d_name)+1 < 4096)
+			{
+				struct stat	st;
+	
+				strcpy(buffer,dirname);
+				strcat(buffer,"/");
+				strcat(buffer,entry->d_name);
+				if (stat(buffer,&st) == 0)
 				{
-					char	*c = strrchr(buffer,'.');
-					snprintf(drFile, 255, "ppd:%s", buffer);
-					if (c && strncmp(c,".ppd",4) == 0)
+					if (S_ISDIR(st.st_mode))
 					{
-						addFile(drFile);
+						initPpd(buffer);
 					}
-					else if (c && strncmp(c, ".gz", 3) == 0)
-					{ /* keep also compressed driver files */
-						while (c != buffer)
+					else if (S_ISREG(st.st_mode))
+					{
+						char	*c = strrchr(buffer,'.');
+						snprintf(drFile, 255, "ppd:%s", buffer);
+						if (c && strncmp(c,".ppd",4) == 0)
 						{
-							if (*(--c) == '.') break;
+							addFile(drFile, "");
 						}
-						if (*c == '.' && strncmp(c, ".ppd",4) == 0)
-						{
-							addFile(drFile);
+						else if (c && strncmp(c, ".gz", 3) == 0)
+						{ /* keep also compressed driver files */
+							while (c != buffer)
+							{
+								if (*(--c) == '.') break;
+							}
+							if (*c == '.' && strncmp(c, ".ppd",4) == 0)
+							{
+								addFile(drFile, "");
+							}
 						}
 					}
 				}
 			}
 		}
+		closedir(dir);
+	}
+	else if (access(dirname, X_OK) != -1) {
+		char *filename;
+		int n = strlen(dirname)+strlen(" list");
+		filename = (char*)malloc(n*sizeof(char)+1);
+		memset(filename,0,n);
+		strcat(filename, dirname);
+		strcat(filename, " list");
+
+		FILE* file = popen(filename, "r");
+		if (file) {
+			char * line = NULL;
+			size_t len = 0;
+			ssize_t read;
+			while ((read = getline(&line, &len, file)) != -1) {
+				char * pos1 = strstr(line, "\"");
+				if (pos1 >= 0) {
+					char * pos2 = strstr(pos1 + 1, "\"");
+					if (pos2 >= 0) {
+						*pos2 = 0;
+						addFile(line+1, dirname);
+					}
+				}
+			}
+			if (line) {
+				free(line);
+			}
+
+			pclose(file);
+		}
+		else {
+			fprintf(stderr, "Can't execute compressed driver handler : %s\n", dirname);
+		}
+
+		free(filename);
+		filename = NULL;
+	}
+	else {
+		fprintf(stderr, "Can't open drivers directory : %s\n", dirname);
+		return;
 	}
-	closedir(dir);
 }
 
-int parsePpdFile(const char *filename, FILE *output_file)
+int parsePpdFile(const char *filename, const char *origin, FILE *output_file)
 {
 	gzFile	ppd_file;
 	char	line[4096], value[256], langver[64] = {0}, desc[256] = {0};
@@ -86,54 +204,7 @@ int parsePpdFile(const char *filename, FILE *output_file)
 
 	while (gzgets(ppd_file,line,4095) != Z_NULL)
 	{
-		memset(value,0,256);
-		c1 = strchr(line,':');
-		if (c1)
-		{
-			c2 = strchr(c1,'"');
-			if (c2)
-			{
-				c2++;
-				c1 = strchr(c2,'"');
-				if (c1) strlcpy(value,c2,c1-c2+1);
-			}
-			else
-			{
-				c1++;
-				while (*c1 && isspace(*c1))
-					c1++;
-				if (!*c1)
-					continue;
-				c2 = line+strlen(line)-1;	/* point to \n */
-				while (*c2 && isspace(*c2))
-					c2--;
-				strlcpy(value,c1,c2-c1+2);
-			}
-		}
-		count++;
-		if (strncmp(line,"*Manufacturer:",14) == 0) fprintf(output_file,"MANUFACTURER=%s\n",value);
-		else if (strncmp(line,"*ShortNickName:",15) == 0) fprintf(output_file,"MODEL=%s\n",value);
-		else if (strncmp(line,"*ModelName:",11) == 0) fprintf(output_file,"MODELNAME=%s\n",value);
-		else if (strncmp(line,"*NickName:",10) == 0) strncat(desc,value,255-strlen(desc));
-		else if (strncmp(line,"*pnpManufacturer:",17) == 0) fprintf(output_file,"PNPMANUFACTURER=%s\n",value);
-		else if (strncmp(line,"*pnpModel:",10) == 0) fprintf(output_file,"PNPMODEL=%s\n",value);
-		else if (strncmp(line,"*LanguageVersion:",17) == 0) strncat(langver,value,63-strlen(langver));
-		else count--;
-		/* Either we got everything we needed, or we encountered an "OpenUI" directive
-		 * and it's reasonable to assume that there's no needed info further in the file,
-		 * just stop here */
-		if (count >= 7 || strncmp(line, "*OpenUI", 7) == 0)
-		{
-			if (strlen(langver) > 0)
-			{
-				strncat(desc, " [", 255-strlen(desc));
-				strncat(desc, langver, 255-strlen(desc));
-				strncat(desc, "]", 255-strlen(desc));
-			}
-			if (strlen(desc) > 0)
-				fprintf(output_file, "DESCRIPTION=%s\n", desc);
-			break;
-		}
+		PROCESS_PPD_FILE_CONTENTS
 	}
 	fprintf(output_file,"\n");
 
@@ -141,9 +212,52 @@ int parsePpdFile(const char *filename, FILE *output_file)
 	return 1;
 }
 
+int parseCompressedPpdFile(const char *ppdfilename, const char *origin, FILE *output_file)
+{
+	char	value[256], langver[64] = {0}, desc[256] = {0};
+	char	*c1, *c2;
+	int	count = 0;
+
+	char *filename;
+	int n = strlen(origin)+strlen(" cat ")+strlen(ppdfilename);
+	filename = (char*)malloc(n*sizeof(char)+1);
+	memset(filename,0,n);
+	strcat(filename, origin);
+	strcat(filename, " cat ");
+	strcat(filename, ppdfilename);
+
+	FILE* file = popen(filename, "r");
+	if (file) {
+		char * line = NULL;
+		size_t len = 0;
+		ssize_t read;
+
+		fprintf(output_file,"FILE=foomatic-db-compressed-ppds:%s\n",ppdfilename);
+
+		while ((read = getline(&line, &len, file)) != -1) {
+			PROCESS_PPD_FILE_CONTENTS
+		}
+		if (line) {
+			free(line);
+		}
+
+		pclose(file);
+	}
+	else {
+		fprintf(stderr, "Can't open driver file : %s\n", ppdfilename);
+		return 0;
+	}
+
+	free(filename);
+	filename = NULL;
+
+	return 1;
+}
+
 int main(int argc, char *argv[])
 {
 	registerHandler("ppd:", initPpd, parsePpdFile);
+	registerHandler("foomatic-db-compressed-ppds:", initPpd, parseCompressedPpdFile);
 	initFoomatic();
 	return execute(argc, argv);
 }