source3/libsmb/libsmb_printjob.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    SMB client library implementation
   4    Copyright (C) Andrew Tridgell 1998
   5    Copyright (C) Richard Sharpe 2000, 2002
   6    Copyright (C) John Terpstra 2000
   7    Copyright (C) Tom Jansen (Ninja ISD) 2002
   8    Copyright (C) Derrell Lipman 2003-2008
   9    Copyright (C) Jeremy Allison 2007, 2008
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25 #include "includes.h"
  26 #include "libsmb/libsmb.h"
  27 #include "libsmbclient.h"
  28 #include "libsmb_internal.h"
  29
  30
  31 /*
  32  * Open a print file to be written to by other calls
  33  */
  34
  35 SMBCFILE *
  36 SMBC_open_print_job_ctx(SMBCCTX *context,
  37                         const char *fname)
  38 {
  39         char *server = NULL;
  40         char *share = NULL;
  41         char *user = NULL;
  42         char *password = NULL;
  43         char *path = NULL;
  44         uint16_t port = 0;
  45         TALLOC_CTX *frame = talloc_stackframe();
  46
  47         if (!context || !context->internal->initialized) {
  48                 errno = EINVAL;
  49                 TALLOC_FREE(frame);
  50                 return NULL;
  51         }
  52
  53         if (!fname) {
  54                 errno = EINVAL;
  55                 TALLOC_FREE(frame);
  56                 return NULL;
  57         }
  58
  59         DEBUG(4, ("SMBC_open_print_job_ctx(%s)\n", fname));
  60
  61         if (SMBC_parse_path(frame,
  62                             context,
  63                             fname,
  64                             NULL,
  65                             &server,
  66                             &port,
  67                             &share,
  68                             &path,
  69                             &user,
  70                             &password,
  71                             NULL)) {
  72                 errno = EINVAL;
  73                 TALLOC_FREE(frame);
  74                 return NULL;
  75         }
  76
  77         /* What if the path is empty, or the file exists? */
  78
  79         TALLOC_FREE(frame);
  80         return smbc_getFunctionOpen(context)(context, fname, O_WRONLY, 666);
  81 }
  82
  83 /*
  84  * Routine to print a file on a remote server ...
  85  *
  86  * We open the file, which we assume to be on a remote server, and then
  87  * copy it to a print file on the share specified by printq.
  88  */
  89
  90 int
  91 SMBC_print_file_ctx(SMBCCTX *c_file,
  92                     const char *fname,
  93                     SMBCCTX *c_print,
  94                     const char *printq)
  95 {
  96         SMBCFILE *fid1;
  97         SMBCFILE *fid2;
  98         smbc_open_fn f_open1;
  99         smbc_open_print_job_fn f_open_pj2;
 100         int bytes;
 101         int saverr;
 102         int tot_bytes = 0;
 103         char buf[4096];
 104         TALLOC_CTX *frame = talloc_stackframe();
 105
 106         if (!c_file || !c_file->internal->initialized ||
 107             !c_print || !c_print->internal->initialized) {
 108                 errno = EINVAL;
 109                 TALLOC_FREE(frame);
 110                 return -1;
 111         }
 112
 113         if (!fname && !printq) {
 114                 errno = EINVAL;
 115                 TALLOC_FREE(frame);
 116                 return -1;
 117         }
 118
 119         /* Try to open the file for reading ... */
 120         f_open1 = smbc_getFunctionOpen(c_file);
 121         if (f_open1 == NULL) {
 122                 errno = EINVAL;
 123                 TALLOC_FREE(frame);
 124                 return -1;
 125         }
 126
 127         fid1 = f_open1(c_file, fname, O_RDONLY, 0666);
 128         if (fid1 < 0) {
 129                 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
 130                 TALLOC_FREE(frame);
 131                 return -1;  /* smbc_open sets errno */
 132         }
 133
 134         /* Now, try to open the printer file for writing */
 135         f_open_pj2 = smbc_getFunctionOpenPrintJob(c_print);
 136         if (f_open_pj2 == NULL) {
 137                 errno = EINVAL;
 138                 TALLOC_FREE(frame);
 139                 return -1;
 140         }
 141
 142         fid2 = f_open_pj2(c_print, printq);
 143         if (fid2 < 0) {
 144                 saverr = errno;  /* Save errno */
 145                 smbc_getFunctionClose(c_file)(c_file, fid1);
 146                 errno = saverr;
 147                 TALLOC_FREE(frame);
 148                 return -1;
 149         }
 150
 151         while ((bytes = smbc_getFunctionRead(c_file)(c_file, fid1,
 152                                                      buf, sizeof(buf))) > 0) {
 153                 tot_bytes += bytes;
 154
 155                 if ((smbc_getFunctionWrite(c_print)(c_print, fid2,
 156                                                     buf, bytes)) < 0) {
 157                         saverr = errno;
 158                         smbc_getFunctionClose(c_file)(c_file, fid1);
 159                         smbc_getFunctionClose(c_print)(c_print, fid2);
 160                         errno = saverr;
 161                 }
 162         }
 163
 164         saverr = errno;
 165
 166         smbc_getFunctionClose(c_file)(c_file, fid1);
 167         smbc_getFunctionClose(c_print)(c_print, fid2);
 168
 169         if (bytes < 0) {
 170                 errno = saverr;
 171                 TALLOC_FREE(frame);
 172                 return -1;
 173         }
 174
 175         TALLOC_FREE(frame);
 176         return tot_bytes;
 177 }
 178
 179 /*
 180  * Routine to list print jobs on a printer share ...
 181  */
 182
 183 int
 184 SMBC_list_print_jobs_ctx(SMBCCTX *context,
 185                          const char *fname,
 186                          smbc_list_print_job_fn fn)
 187 {
 188         SMBCSRV *srv = NULL;
 189         char *server = NULL;
 190         char *share = NULL;
 191         char *user = NULL;
 192         char *password = NULL;
 193         char *workgroup = NULL;
 194         char *path = NULL;
 195         uint16_t port = 0;
 196         TALLOC_CTX *frame = talloc_stackframe();
 197
 198         if (!context || !context->internal->initialized) {
 199                 errno = EINVAL;
 200                 TALLOC_FREE(frame);
 201                 return -1;
 202         }
 203
 204         if (!fname) {
 205                 errno = EINVAL;
 206                 TALLOC_FREE(frame);
 207                 return -1;
 208         }
 209
 210         DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
 211
 212         if (SMBC_parse_path(frame,
 213                             context,
 214                             fname,
 215                             &workgroup,
 216                             &server,
 217                             &port,
 218                             &share,
 219                             &path,
 220                             &user,
 221                             &password,
 222                             NULL)) {
 223                 errno = EINVAL;
 224                 TALLOC_FREE(frame);
 225                 return -1;
 226         }
 227
 228         if (!user || user[0] == (char)0) {
 229                 user = talloc_strdup(frame, smbc_getUser(context));
 230                 if (!user) {
 231                         errno = ENOMEM;
 232                         TALLOC_FREE(frame);
 233                         return -1;
 234                 }
 235         }
 236
 237         srv = SMBC_server(frame, context, True,
 238                           server, port, share, &workgroup, &user, &password);
 239
 240         if (!srv) {
 241                 TALLOC_FREE(frame);
 242                 return -1;  /* errno set by SMBC_server */
 243         }
 244
 245         if (cli_print_queue(srv->cli,
 246                             (void (*)(struct print_job_info *))fn) < 0) {
 247                 errno = SMBC_errno(context, srv->cli);
 248                 TALLOC_FREE(frame);
 249                 return -1;
 250         }
 251
 252         TALLOC_FREE(frame);
 253         return 0;
 254 }
 255
 256 /*
 257  * Delete a print job from a remote printer share
 258  */
 259
 260 int
 261 SMBC_unlink_print_job_ctx(SMBCCTX *context,
 262                           const char *fname,
 263                           int id)
 264 {
 265         SMBCSRV *srv = NULL;
 266         char *server = NULL;
 267         char *share = NULL;
 268         char *user = NULL;
 269         char *password = NULL;
 270         char *workgroup = NULL;
 271         char *path = NULL;
 272         int err;
 273         uint16_t port = 0;
 274         TALLOC_CTX *frame = talloc_stackframe();
 275
 276         if (!context || !context->internal->initialized) {
 277                 errno = EINVAL;
 278                 TALLOC_FREE(frame);
 279                 return -1;
 280         }
 281
 282         if (!fname) {
 283                 errno = EINVAL;
 284                 TALLOC_FREE(frame);
 285                 return -1;
 286         }
 287
 288         DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
 289
 290         if (SMBC_parse_path(frame,
 291                             context,
 292                             fname,
 293                             &workgroup,
 294                             &server,
 295                             &port,
 296                             &share,
 297                             &path,
 298                             &user,
 299                             &password,
 300                             NULL)) {
 301                 errno = EINVAL;
 302                 TALLOC_FREE(frame);
 303                 return -1;
 304         }
 305
 306         if (!user || user[0] == (char)0) {
 307                 user = talloc_strdup(frame, smbc_getUser(context));
 308                 if (!user) {
 309                         errno = ENOMEM;
 310                         TALLOC_FREE(frame);
 311                         return -1;
 312                 }
 313         }
 314
 315         srv = SMBC_server(frame, context, True,
 316                           server, port, share, &workgroup, &user, &password);
 317
 318         if (!srv) {
 319                 TALLOC_FREE(frame);
 320                 return -1;  /* errno set by SMBC_server */
 321         }
 322
 323         if ((err = cli_printjob_del(srv->cli, id)) != 0) {
 324                 if (err < 0)
 325                         errno = SMBC_errno(context, srv->cli);
 326                 else if (err == ERRnosuchprintjob)
 327                         errno = EINVAL;
 328                 TALLOC_FREE(frame);
 329                 return -1;
 330         }
 331
 332         TALLOC_FREE(frame);
 333         return 0;
 334 }
 335