source3/printing/print_aix.c

   1 /*
   2    AIX-specific printcap loading
   3    Copyright (C) Jean-Pierre.Boulard@univ-rennes1.fr      1996
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 /*
  20  * This module implements AIX-specific printcap loading.  Most of the code
  21  * here was originally provided by Jean-Pierre.Boulard@univ-rennes1.fr in
  22  * the Samba 1.9.14 release, and was formerly contained in pcap.c.  It has
  23  * been moved here and condensed as part of a larger effort to clean up and
  24  * simplify the printcap code.    -- Rob Foehl, 2004/12/06
  25  */
  26
  27 #include "includes.h"
  28 #include "system/filesys.h"
  29 #include "printing/pcap.h"
  30
  31 #ifdef AIX
  32 bool aix_cache_reload(void)
  33 {
  34         int iEtat;
  35         XFILE *pfile;
  36         char *line = NULL, *p;
  37         char *name = NULL;
  38         TALLOC_CTX *ctx = talloc_init("aix_cache_reload");
  39
  40         if (!ctx) {
  41                 return false;
  42         }
  43
  44         DEBUG(5, ("reloading aix printcap cache\n"));
  45
  46         if ((pfile = x_fopen(lp_printcapname(), O_RDONLY, 0)) == NULL) {
  47                 DEBUG(0,( "Unable to open qconfig file %s for read!\n", lp_printcapname()));
  48                 TALLOC_FREE(ctx);
  49                 return false;
  50         }
  51
  52         iEtat = 0;
  53         /* scan qconfig file for searching <printername>:       */
  54         for (;(line = fgets_slash(NULL, 1024, pfile)); free(line)) {
  55                 if (*line == '*' || *line == 0)
  56                         continue;
  57
  58                 switch (iEtat) {
  59                 case 0: /* locate an entry */
  60                         if (*line == '\t' || *line == ' ')
  61                                 continue;
  62
  63                         if ((p = strchr_m(line, ':'))) {
  64                                 char *saveptr;
  65                                 *p = '\0';
  66                                 p = strtok_r(line, ":", &saveptr);
  67                                 if (strcmp(p, "bsh") != 0) {
  68                                         name = talloc_strdup(ctx, p);
  69                                         if (!name) {
  70                                                 SAFE_FREE(line);
  71                                                 x_fclose(pfile);
  72                                                 TALLOC_FREE(ctx);
  73                                                 return false;
  74                                         }
  75                                         iEtat = 1;
  76                                         continue;
  77                                 }
  78                          }
  79                          break;
  80
  81                 case 1: /* scanning device stanza */
  82                         if (*line == '*' || *line == 0)
  83                                 continue;
  84
  85                         if (*line != '\t' && *line != ' ') {
  86                                 /* name is found without stanza device  */
  87                                 /* probably a good printer ???          */
  88                                 iEtat = 0;
  89                                 if (!pcap_cache_add(name, NULL, NULL)) {
  90                                         SAFE_FREE(line);
  91                                         x_fclose(pfile);
  92                                         TALLOC_FREE(ctx);
  93                                         return false;
  94                                 }
  95                                 continue;
  96                         }
  97
  98                         if (strstr_m(line, "backend")) {
  99                                 /* it's a device, not a virtual printer */
 100                                 iEtat = 0;
 101                         } else if (strstr_m(line, "device")) {
 102                                 /* it's a good virtual printer */
 103                                 iEtat = 0;
 104                                 if (!pcap_cache_add(name, NULL, NULL)) {
 105                                         SAFE_FREE(line);
 106                                         x_fclose(pfile);
 107                                         TALLOC_FREE(ctx);
 108                                         return false;
 109                                 }
 110                                 continue;
 111                         }
 112                         break;
 113                 }
 114         }
 115
 116         x_fclose(pfile);
 117         TALLOC_FREE(ctx);
 118         return true;
 119 }
 120
 121 #else
 122 /* this keeps fussy compilers happy */
 123  void print_aix_dummy(void);
 124  void print_aix_dummy(void) {}
 125 #endif /* AIX */