src/pt_ppd.c

   1 /*
   2 *       Printservice
   3 *
   4 * Copyright 2012-2013  Samsung Electronics Co., Ltd
   5
   6 * Licensed under the Flora License, Version 1.1 (the "License");
   7 * you may not use this file except in compliance with the License.
   8 * You may obtain a copy of the License at
   9
  10 * http://floralicense.org/license/
  11
  12 * Unless required by applicable law or agreed to in writing, software
  13 * distributed under the License is distributed on an "AS IS" BASIS,
  14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 * See the License for the specific language governing permissions and
  16 * limitations under the License.
  17 *
  18 */
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <dirent.h>
  25 #include <unistd.h>
  26 #include <limits.h>
  27 #include <stdlib.h>
  28
  29 #include <pt_db.h>
  30 #include "pt_debug.h"
  31 #include "pt_common.h"
  32 #include "pt_ppd.h"
  33
  34 #define GETPPD "/usr/bin/getppd"
  35 #define CUPS_PPDDIR "/opt/etc/cups/ppd/"
  36 #define SAMSUNG_DRV "/opt/etc/cups/ppd/samsung/samsung.drv"
  37 #define SAMSUNG_DRV_GZ "/opt/etc/cups/ppd/samsung/samsung.drv.gz"
  38 #define SAMSUNG_DRV_GZ_ORG "/usr/share/cups/ppd/samsung/samsung.drv.gz"
  39 #define HP_DRV "/opt/etc/cups/ppd/hp/hp.drv"
  40 #define HP_DRV_GZ "/opt/etc/cups/ppd/hp/hp.drv.gz"
  41 #define HP_DRV_GZ_ORG "/usr/share/cups/ppd/hp/hp.drv.gz"
  42 #define EPSON_DRV "/opt/etc/cups/ppd/epson/epson.drv"
  43 #define EPSON_DRV_GZ "/opt/etc/cups/ppd/epson/epson.drv.gz"
  44 #define EPSON_DRV_GZ_ORG "/usr/share/cups/ppd/epson/epson.drv.gz"
  45 #define SAMSUNG_PPD_DIR "/opt/etc/cups/ppd/samsung"
  46 #define EPSON_PPD_DIR "/opt/etc/cups/ppd/epson"
  47 #define HP_PPD_DIR "/opt/etc/cups/ppd/hp"
  48
  49 #define PPDC_PREFIX "ppdc: Writing ./"
  50
  51 /*supported manufacturer printer*/
  52 const char *manufacturer[MANUFACTURER_NUM] = {"Samsung", "Hp", "Epson"};
  53
  54 ppd_size_t *pt_utils_paper_size_pts(const char *name)
  55 {
  56         return ppdPageSize(ppd, name);
  57 }
  58
  59 /**
  60  *      This function let the app get ppd file for the specified printer
  61  *      @return    If success, return PT_ERR_NONE, else return PT_ERR_FAIL
  62  *      @param[in] ppd the pointer to the printer's ppd path
  63  *      @param[in] printer the printer entry
  64  */
  65 int pt_get_printer_ppd(pt_printer_mgr_t *printer)
  66 {
  67         PRINT_SERVICE_FUNC_ENTER;
  68         PT_RETV_IF(printer == NULL, PT_ERR_INVALID_PARAM, "printer is NULL");
  69         PT_RETV_IF(printer->mfg == NULL, PT_ERR_INVALID_PARAM, "printer mfg is NULL");
  70         PT_RETV_IF(printer->mdl == NULL, PT_ERR_INVALID_PARAM, "printer mdl is NULL");
  71
  72         PT_DEBUG("product: %s", printer->name);
  73         PT_DEBUG("printer->mdl %s", printer->mdl);
  74         PT_DEBUG("printer->mfg %s", printer->mfg);
  75
  76         FILE *result = NULL;
  77
  78         char gunzip_drv[PT_MAX_LENGTH] = {0,};
  79
  80         static pt_db *db_samsung = NULL;
  81         static pt_db *db_epson = NULL;
  82         static pt_db *db_hp = NULL;
  83         char *output = NULL;
  84
  85         if (strncasecmp(printer->mfg, "Samsung", 7) == 0) {
  86                 if (chdir(SAMSUNG_PPD_DIR)) {
  87                         PT_DEBUG("Failed to change directory");
  88                         return PT_ERR_FAIL;
  89                 }
  90                 if (access(SAMSUNG_DRV, F_OK) != 0) {
  91                         int ret = _pt_filecopy(SAMSUNG_DRV_GZ_ORG, SAMSUNG_DRV_GZ);
  92                         if (ret != 0) {
  93                                 PT_DEBUG("Failed to copy file");
  94                                 return PT_ERR_FAIL;
  95                         }
  96                         snprintf(gunzip_drv, PT_MAX_LENGTH, "gzip -d %s", SAMSUNG_DRV_GZ);
  97                         result = popen(gunzip_drv, "r");
  98                         if (result == NULL) {
  99                                 PT_DEBUG("%s is failed to popen error",gunzip_drv);
 100                                 return PT_ERR_FAIL;
 101                         }
 102                         pclose(result);
 103                 }
 104                 if(!db_samsung) {
 105                         db_samsung = pt_create_db(SAMSUNG_DRV);
 106                         PT_DEBUG("db_samsung: %p", db_samsung);
 107                         if(!db_samsung) {
 108                                 PT_DEBUG("Failed to create samsung database");
 109                                 return PT_ERR_FAIL;
 110                         }
 111                 }
 112                 output = pt_extract_ppd(db_samsung, printer->mdl, PT_SEARCH_ALL);
 113
 114         } else if (strncasecmp(printer->mfg, "Hp", 2) == 0) {
 115                 if (chdir(HP_PPD_DIR)) {
 116                         PT_DEBUG("Failed to change directory");
 117                         return PT_ERR_FAIL;
 118                 }
 119                 if (access(HP_DRV, F_OK) != 0) {
 120                         int ret = _pt_filecopy(HP_DRV_GZ_ORG, HP_DRV_GZ);
 121                         if (ret != 0) {
 122                                 PT_DEBUG("Failed to copy file");
 123                                 return PT_ERR_FAIL;
 124                         }
 125                         snprintf(gunzip_drv, PT_MAX_LENGTH, "gzip -d %s", HP_DRV_GZ);
 126                         result = popen(gunzip_drv, "r");
 127                         if (result == NULL) {
 128                                 PT_DEBUG("%s is failed to popen error",gunzip_drv);
 129                                 return PT_ERR_FAIL;
 130                         }
 131                         pclose(result);
 132                 }
 133                 if(!db_hp) {
 134                         db_hp = pt_create_db(HP_DRV);
 135                         if(!db_hp) {
 136                                 PT_DEBUG("Failed to create hp database");
 137                                 return PT_ERR_FAIL;
 138                         }
 139                 }
 140                 output = pt_extract_ppd(db_hp, printer->mdl, PT_SEARCH_ALL);
 141         } else if (strncasecmp(printer->mfg, "Epson", 5) == 0) {
 142                 if (chdir(EPSON_PPD_DIR)) {
 143                         PT_DEBUG("Failed to change directory");
 144                         return PT_ERR_FAIL;
 145                 }
 146                 if (access(EPSON_DRV, F_OK) != 0) {
 147                         int ret = _pt_filecopy(EPSON_DRV_GZ_ORG, EPSON_DRV_GZ);
 148                         if (ret != 0) {
 149                                 PT_DEBUG("Failed to copy file");
 150                                 return PT_ERR_FAIL;
 151                         }
 152                         snprintf(gunzip_drv, PT_MAX_LENGTH, "gzip -d %s", EPSON_DRV_GZ);
 153                         result = popen(gunzip_drv, "r");
 154                         if (result == NULL) {
 155                                 PT_DEBUG("%s is failed to popen error",gunzip_drv);
 156                                 return PT_ERR_FAIL;
 157                         }
 158                         pclose(result);
 159                 }
 160                 if(!db_epson) {
 161                         db_epson = pt_create_db(EPSON_DRV);
 162                         if(!db_epson) {
 163                                 PT_DEBUG("Failed to create epson database");
 164                                 return PT_ERR_FAIL;
 165                         }
 166                 }
 167                 output = pt_extract_ppd(db_epson, printer->mdl, PT_SEARCH_ALL);
 168         } else {
 169                 PT_DEBUG("Can't find PPD file");
 170                 return PT_ERR_FAIL;
 171         }
 172
 173         if(!output) {
 174                 PT_DEBUG("Can't find PPD file");
 175                 return PT_ERR_FAIL;
 176         }
 177
 178         char *filename = NULL;
 179         gboolean res = g_str_has_prefix(output, PPDC_PREFIX);
 180         if(res == TRUE) {
 181                 size_t len = strlen(PPDC_PREFIX);
 182                 filename = output+len;
 183                 size_t sublen = strlen(filename);
 184                 gboolean expected_suffix = g_str_has_suffix(filename, ".\n");
 185                 if(expected_suffix == TRUE) {
 186                         filename[sublen-2] = '\0';
 187                 } else {
 188                         PT_DEBUG("ppdc returned unexpected output:\n%s\n", output);
 189                         free(output);
 190                         return PT_ERR_FAIL;
 191                 }
 192         } else {
 193                 PT_DEBUG("ppdc returned unexpected output:\n%s\n", output);
 194                 free(output);
 195                 return PT_ERR_FAIL;
 196         }
 197
 198         char *abspath = realpath(filename, NULL);
 199         if(!abspath) {
 200                 PT_DEBUG("pathname canonicalization fails\n");
 201                 free(output);
 202                 return PT_ERR_FAIL;
 203         }
 204
 205         if(strlen(abspath) >= PT_MAX_LENGTH) {
 206                 PT_DEBUG("ppd filename too long\n");
 207                 free(output);
 208                 return PT_ERR_FAIL;
 209         }
 210
 211         memset(printer->ppd, '\0', PT_MAX_LENGTH);
 212
 213         strncpy(printer->ppd, abspath, PT_MAX_LENGTH-1);
 214         free(abspath);
 215         free(output);
 216         PRINT_SERVICE_FUNC_LEAVE;
 217         return PT_ERR_NONE;
 218 }