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(struct pcap_cache **_pcache)
  33 {
  34         int iEtat;
  35         XFILE *pfile;
  36         char *line = NULL, *p;
  37         char *name = NULL;
  38         struct pcap_cache *pcache = NULL;
  39         TALLOC_CTX *ctx = talloc_init("aix_cache_reload");
  40
  41         if (!ctx) {
  42                 return false;
  43         }
  44
  45         DEBUG(5, ("reloading aix printcap cache\n"));
  46
  47         if ((pfile = x_fopen(lp_printcapname(), O_RDONLY, 0)) == NULL) {
  48                 DEBUG(0,( "Unable to open qconfig file %s for read!\n", lp_printcapname()));
  49                 TALLOC_FREE(ctx);
  50                 return false;
  51         }
  52
  53         iEtat = 0;
  54         /* scan qconfig file for searching <printername>:       */
  55         for (;(line = fgets_slash(NULL, 1024, pfile)); free(line)) {
  56                 bool ok;
  57
  58                 if (*line == '*' || *line == 0)
  59                         continue;
  60
  61                 switch (iEtat) {
  62                 case 0: /* locate an entry */
  63                         if (*line == '\t' || *line == ' ')
  64                                 continue;
  65
  66                         if ((p = strchr_m(line, ':'))) {
  67                                 char *saveptr;
  68                                 *p = '\0';
  69                                 p = strtok_r(line, ":", &saveptr);
  70                                 if (strcmp(p, "bsh") != 0) {
  71                                         name = talloc_strdup(ctx, p);
  72                                         if (!name) {
  73                                                 pcap_cache_destroy_specific(&pcache);
  74                                                 SAFE_FREE(line);
  75                                                 x_fclose(pfile);
  76                                                 TALLOC_FREE(ctx);
  77                                                 return false;
  78                                         }
  79                                         iEtat = 1;
  80                                         continue;
  81                                 }
  82                          }
  83                          break;
  84
  85                 case 1: /* scanning device stanza */
  86                         if (*line == '*' || *line == 0)
  87                                 continue;
  88
  89                         if (*line != '\t' && *line != ' ') {
  90                                 /* name is found without stanza device  */
  91                                 /* probably a good printer ???          */
  92                                 iEtat = 0;
  93                                 ok = pcap_cache_add_specific(&pcache,
  94                                                              name, NULL, NULL);
  95                                 if (!ok) {
  96                                         pcap_cache_destroy_specific(&pcache);
  97                                         SAFE_FREE(line);
  98                                         x_fclose(pfile);
  99                                         TALLOC_FREE(ctx);
 100                                         return false;
 101                                 }
 102                                 continue;
 103                         }
 104
 105                         if (strstr_m(line, "backend")) {
 106                                 /* it's a device, not a virtual printer */
 107                                 iEtat = 0;
 108                         } else if (strstr_m(line, "device")) {
 109                                 /* it's a good virtual printer */
 110                                 iEtat = 0;
 111                                 ok = pcap_cache_add_specific(&pcache,
 112                                                              name, NULL, NULL);
 113                                 if (!ok) {
 114                                         pcap_cache_destroy_specific(&pcache);
 115                                         SAFE_FREE(line);
 116                                         x_fclose(pfile);
 117                                         TALLOC_FREE(ctx);
 118                                         return false;
 119                                 }
 120                                 continue;
 121                         }
 122                         break;
 123                 }
 124         }
 125
 126         *_pcache = pcache;
 127         x_fclose(pfile);
 128         TALLOC_FREE(ctx);
 129         return true;
 130 }
 131
 132 #else
 133 /* this keeps fussy compilers happy */
 134  void print_aix_dummy(void);
 135  void print_aix_dummy(void) {}
 136 #endif /* AIX */