From 8f4f6ac2dad58e6ca61b613c27d178151b42416c Mon Sep 17 00:00:00 2001
From: Steve Polyack <korvus@comcast.net>
Date: Sun, 6 Dec 2009 10:41:24 +0100
Subject: [PATCH] Add AllowCompression feature

---
 bacula/src/dird/dird_conf.c |  1 +
 bacula/src/dird/dird_conf.h |  3 ++-
 bacula/src/dird/fd_cmds.c   | 27 ++++++++++++++++++++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/bacula/src/dird/dird_conf.c b/bacula/src/dird/dird_conf.c
index 56b3e76bc8..18954b8479 100644
--- a/bacula/src/dird/dird_conf.c
+++ b/bacula/src/dird/dird_conf.c
@@ -222,6 +222,7 @@ static RES_ITEM store_items[] = {
    {"mediatype",   store_strname,  ITEM(res_store.media_type), 0, ITEM_REQUIRED, 0},
    {"autochanger", store_bool,     ITEM(res_store.autochanger), 0, ITEM_DEFAULT, 0},
    {"enabled",     store_bool,     ITEM(res_store.enabled),     0, ITEM_DEFAULT, true},
+   {"allowcompression",  store_bool, ITEM(res_store.AllowCompress), 0, ITEM_DEFAULT, true},
    {"heartbeatinterval", store_time, ITEM(res_store.heartbeat_interval), 0, ITEM_DEFAULT, 0},
    {"maximumconcurrentjobs", store_pint32, ITEM(res_store.MaxConcurrentJobs), 0, ITEM_DEFAULT, 1},
    {"sddport", store_pint32, ITEM(res_store.SDDport), 0, 0, 0}, /* deprecated */
diff --git a/bacula/src/dird/dird_conf.h b/bacula/src/dird/dird_conf.h
index 9f19992a99..f57fe5fbd8 100644
--- a/bacula/src/dird/dird_conf.h
+++ b/bacula/src/dird/dird_conf.h
@@ -1,7 +1,7 @@
 /*
    Bacula® - The Network Backup Solution
 
-   Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+   Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
 
    The main author of Bacula is Kern Sibbald, with contributions from
    many others, a complete list can be found in the file AUTHORS.
@@ -306,6 +306,7 @@ public:
    bool tls_require;                  /* Require TLS */
    bool enabled;                      /* Set if device is enabled */
    bool  autochanger;                 /* set if autochanger */
+   bool AllowCompress;                /* set if this Storage should allow jobs to enable compression */
    int64_t StorageId;                 /* Set from Storage DB record */
    utime_t heartbeat_interval;        /* Interval to send heartbeats */
    uint32_t drives;                   /* number of drives in autochanger */
diff --git a/bacula/src/dird/fd_cmds.c b/bacula/src/dird/fd_cmds.c
index a8f3dce9fa..46ca8138f7 100644
--- a/bacula/src/dird/fd_cmds.c
+++ b/bacula/src/dird/fd_cmds.c
@@ -333,6 +333,7 @@ static bool send_fileset(JCR *jcr)
 {
    FILESET *fileset = jcr->fileset;
    BSOCK   *fd = jcr->file_bsock;
+   STORE   *store = jcr->wstore;
    int num;
    bool include = true;
 
@@ -359,7 +360,6 @@ static bool send_fileset(JCR *jcr)
          }
          for (j=0; j<ie->num_opts; j++) {
             FOPTS *fo = ie->opts_list[j];
-            fd->fsend("O %s\n", fo->opts);
 
             bool enhanced_wild = false;
             for (k=0; fo->opts[k]!='\0'; k++) {
@@ -369,6 +369,31 @@ static bool send_fileset(JCR *jcr)
                }
             }
 
+            /* Strip out compression option Zn if disallowed for this Storage */
+            if (!store->AllowCompress) {
+               char newopts[MAX_FOPTS];
+               int j = 0;
+               for (k=0; fo->opts[k]!='\0'; k++) {                   
+                 /* Z compress option is followed by the single-digit compress level */
+                 if (fo->opts[k]=='Z') {
+                    k++;                /* skip option and level */
+                 } else {
+                    newopts[j] = fo->opts[k];
+                   j++;
+                 }
+               }
+               newopts[j] = '\0';
+
+               Jmsg(jcr, M_INFO, 0,
+                   _("FD compression disabled for this Job because AllowCompress=No in Storage resource.\n") );
+
+               /* Send the new trimmed option set without overwriting fo->opts */
+               fd->fsend("O %s\n", newopts);
+            } else {
+               /* Send the original options */
+               fd->fsend("O %s\n", fo->opts);
+            }
+
             for (k=0; k<fo->regex.size(); k++) {
                fd->fsend("R %s\n", fo->regex.get(k));
             }
-- 
2.39.5