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Overview
Comment:Hook up the new configuration transfer logic to "push" and "pull". Compiles cleanly but otherwise untested.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | config-sync
Files: files | file ages | folders
SHA1: 9d35e1dbf0a3ee60ed4d8094af5ec9e5e9000ff2
User & Date: drh 2011-04-26 23:11:21
Context
2011-04-27
00:49
Simple test cases for configuration sync are now working. check-in: bef34a69 user: drh tags: config-sync
2011-04-26
23:11
Hook up the new configuration transfer logic to "push" and "pull". Compiles cleanly but otherwise untested. check-in: 9d35e1db user: drh tags: config-sync
18:36
Update the "configure" command so that the "import", "export", and "merge" subcommands use the new config format. check-in: 42911838 user: drh tags: config-sync
Changes
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Changes to src/configure.c.

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/*
** Copyright (c) 2008 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)

** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
**   drh@hwaci.com
**   http://www.hwaci.com/drh/
................................................................................
#define CONFIGSET_SHUN      0x000008     /* Shun settings */
#define CONFIGSET_USER      0x000010     /* The USER table */
#define CONFIGSET_ADDR      0x000020     /* The CONCEALED table */

#define CONFIGSET_ALL       0x0000ff     /* Everything */

#define CONFIGSET_OVERWRITE 0x100000     /* Causes overwrite instead of merge */


#endif /* INTERFACE */

/*
** Names of the configuration sets
*/
static struct {
  const char *zName;   /* Name of the configuration set */
  int groupMask;       /* Mask for that configuration set */
  const char *zHelp;   /* What it does */
} aGroupName[] = {
  { "email",        CONFIGSET_ADDR,  "Concealed email addresses in tickets" },
  { "project",      CONFIGSET_PROJ,  "Project name and description"         },
  { "skin",         CONFIGSET_SKIN,  "Web interface apparance settings"     },
  { "shun",         CONFIGSET_SHUN,  "List of shunned artifacts"            },
  { "ticket",       CONFIGSET_TKT,   "Ticket setup",                        },
  { "user",         CONFIGSET_USER,  "Users and privilege settings"         },
  { "all",          CONFIGSET_ALL,   "All of the above"                     },
};


/*
** The following is a list of settings that we are willing to
** transfer.  
**
................................................................................
** Return name of first configuration property matching the given mask.
*/
const char *configure_first_name(int iMask){
  iConfig = 0;
  return configure_next_name(iMask);
}
const char *configure_next_name(int iMask){

  while( iConfig<count(aConfig) ){
    if( aConfig[iConfig].groupMask & iMask ){
      return aConfig[iConfig++].zName;
    }else{
      iConfig++;













    }
  }
  return 0;
}

/*
** Return the mask for the named configuration parameter if it can be
................................................................................
         config_is_reset_function, 0, 0);
    sqlite3_create_function(g.db, "config_reset", 1, SQLITE_UTF8, 0,
         config_reset_function, 0, 0);
    configHasBeenReset = 0;
    db_multi_exec(zSQL2);
  }
}

















/*
** Return true if z[] is not a "safe" SQL token.  A safe token is one of:
**
**   *   A string literal
**   *   A blob literal
**   *   An integer literal  (no floating point)
................................................................................

/*
** Send "config" cards using the new format for all elements of a group
** that have recently changed.
**
** Output goes into pOut.  The groupMask identifies the group(s) to be sent.
** Send only entries whose timestamp is later than or equal to iStart.


*/
void configure_send_group(
  Blob *pOut,              /* Write output here */
  int groupMask,           /* Mask of groups to be send */
  sqlite3_int64 iStart     /* Only write values changed since this time */
){
  Stmt q;
  Blob rec;
  int ii;


  blob_zero(&rec);
  if( groupMask & CONFIGSET_SHUN ){
    db_prepare(&q, "SELECT mtime, quote(uuid), quote(scom) FROM shun"
                   " WHERE mtime>=%lld", iStart);
    while( db_step(&q)==SQLITE_ROW ){
      blob_appendf(&rec,"%s %s scom %s\n",
        db_column_text(&q, 0),
        db_column_text(&q, 1),
        db_column_text(&q, 2)
      );
      blob_appendf(pOut, "config /shun %d\n%s",
                   blob_size(&rec), blob_str(&rec));

      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_USER ){
    db_prepare(&q, "SELECT mtime, quote(login), quote(pw), quote(cap),"
                   "       quote(info), quote(photo) FROM user"
................................................................................
        db_column_text(&q, 2),
        db_column_text(&q, 3),
        db_column_text(&q, 4),
        db_column_text(&q, 5)
      );
      blob_appendf(pOut, "config /user %d\n%s",
                   blob_size(&rec), blob_str(&rec));

      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_TKT ){
    db_prepare(&q, "SELECT mtime, quote(title), quote(owner), quote(cols),"
                   "       quote(sqlcode) FROM reportfmt"
................................................................................
        db_column_text(&q, 1),
        db_column_text(&q, 2),
        db_column_text(&q, 3),
        db_column_text(&q, 4)
      );
      blob_appendf(pOut, "config /reportfmt %d\n%s",
                   blob_size(&rec), blob_str(&rec));

      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_ADDR ){
    db_prepare(&q, "SELECT mtime, quote(hash), quote(content) FROM concealed"
                   " WHERE mtime>=%lld", iStart);
................................................................................
      blob_appendf(&rec,"%s %s content %s\n",
        db_column_text(&q, 0),
        db_column_text(&q, 1),
        db_column_text(&q, 2)
      );
      blob_appendf(pOut, "config /concealed %d\n%s",
                   blob_size(&rec), blob_str(&rec));

      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  db_prepare(&q, "SELECT mtime, quote(name), quote(value) FROM config"
                 " WHERE name=:name AND mtime>=%lld", iStart);
  for(ii=0; ii<count(aConfig); ii++){
................................................................................
        blob_appendf(&rec,"%s %s value %s\n",
          db_column_text(&q, 0),
          db_column_text(&q, 1),
          db_column_text(&q, 2)
        );
        blob_appendf(pOut, "config /config %d\n%s",
                     blob_size(&rec), blob_str(&rec));

        blob_reset(&rec);
      }
      db_reset(&q);
    }
  }
  db_finalize(&q);
}

/*
** COMMAND: test-config-send
**
** Usage: %fossil test-config-send GROUP START
*/
void test_config_send(void){
  Blob out;
  sqlite3_int64 iStart;
  int i;
  blob_zero(&out);
  db_find_and_open_repository(0,0);
  if( g.argc!=4 ) usage("GROUP START");
  iStart = db_int64(0, "SELECT strftime('%%s',%Q)", g.argv[3]);
  for(i=0; i<count(aGroupName); i++){
    if( fossil_strcmp(g.argv[2], aGroupName[i].zName)==0 ){
      configure_send_group(&out, aGroupName[i].groupMask, iStart);
      printf("%s", blob_str(&out));
      blob_reset(&out);
    }
  }
}

/*
** After receiving configuration data, call this routine to transfer
** the results into the main database.
*/
void configure_finalize_receive(void){
  static const char zSQL[] =
    @ DELETE FROM user;
    @ INSERT INTO user SELECT * FROM _xfer_user;
    @ DELETE FROM reportfmt;
    @ INSERT INTO reportfmt SELECT * FROM _xfer_reportfmt;
    @ DROP TABLE _xfer_user;
    @ DROP TABLE _xfer_reportfmt;
  ;
  db_multi_exec(zSQL);

}

/*
** Identify a configuration group by name.  Return its mask.
** Throw an error if no match.
*/
static int find_area(const char *z){
  int i;
  int n = strlen(z);
  for(i=0; i<count(aGroupName); i++){
    if( strncmp(z, aGroupName[i].zName, n)==0 ){
      return aGroupName[i].groupMask;
    }
  }

  printf("Available configuration areas:\n");
  for(i=0; i<count(aGroupName); i++){
    printf("  %-10s %s\n", aGroupName[i].zName, aGroupName[i].zHelp);

  }
  fossil_fatal("no such configuration area: \"%s\"", z);

  return 0;
}

/*
** Write SQL text into file zFilename that will restore the configuration
** area identified by mask to its current state from any other state.
*/
................................................................................
**         the current configuration.  Existing values take priority over
**         values read from FILENAME.
**
**    %fossil configuration pull AREA ?URL?
**
**         Pull and install the configuration from a different server
**         identified by URL.  If no URL is specified, then the default
**         server is used. 



**
**    %fossil configuration push AREA ?URL?
**
**         Push the local configuration into the remote server identified
**         by URL.  Admin privilege is required on the remote server for
**         this to work.


**
**    %fossil configuration reset AREA
**
**         Restore the configuration to the default.  AREA as above.
**
** WARNING: Do not import, merge, or pull configurations from an untrusted
** source.  The inbound configuration is not checked for safety and can
** introduce security vulnerabilities.

*/
void configuration_cmd(void){
  int n;
  const char *zMethod;
  if( g.argc<3 ){
    usage("export|import|merge|pull|reset ...");
  }
................................................................................
  if( strncmp(zMethod, "export", n)==0 ){
    int mask;
    const char *zSince = find_option("since",0,1);
    sqlite3_int64 iStart;
    if( g.argc!=5 ){
      usage("export AREA FILENAME");
    }
    mask = find_area(g.argv[3]);
    if( zSince ){
      iStart = db_multi_exec(
         "SELECT coalesce(strftime('%%s',%Q),strftime('%%s','now',%Q))+0",
         zSince, zSince
      );
    }else{
      iStart = 0;
................................................................................
      groupMask = CONFIGSET_ALL | CONFIGSET_OVERWRITE;
    }else{
      groupMask = CONFIGSET_ALL;
    }
    configure_receive_all(&in, groupMask);
    db_end_transaction(0);
  }else
  if( strncmp(zMethod, "pull", n)==0 || strncmp(zMethod, "push", n)==0 ){



    int mask;
    const char *zServer;
    const char *zPw;






    url_proxy_options();
    if( g.argc!=4 && g.argc!=5 ){
      usage("pull AREA ?URL?");
    }
    mask = find_area(g.argv[3]);
    if( g.argc==5 ){
      zServer = g.argv[4];
      zPw = 0;
      g.dontKeepUrl = 1;
    }else{
      zServer = db_get("last-sync-url", 0);
      if( zServer==0 ){
................................................................................
      }
      zPw = unobscure(db_get("last-sync-pw", 0));
    }
    url_parse(zServer);
    if( g.urlPasswd==0 && zPw ) g.urlPasswd = mprintf("%s", zPw);
    user_select();
    url_enable_proxy("via proxy: ");


    if( strncmp(zMethod, "push", n)==0 ){
      client_sync(0,0,0,0,0,mask);


    }else{
      client_sync(0,0,0,0,mask,0);
    }
  }else
  if( strncmp(zMethod, "reset", n)==0 ){
    int mask, i;
    char *zBackup;
    if( g.argc!=4 ) usage("reset AREA");
    mask = find_area(g.argv[3]);
    zBackup = db_text(0, 
       "SELECT strftime('config-backup-%%Y%%m%%d%%H%%M%%f','now')");
    db_begin_transaction();
    export_config(mask, g.argv[3], 0, zBackup);
    for(i=0; i<count(aConfig); i++){
      const char *zName = aConfig[i].zName;
      if( (aConfig[i].groupMask & mask)==0 ) continue;






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/*
** Copyright (c) 2008 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)
**
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
**   drh@hwaci.com
**   http://www.hwaci.com/drh/
................................................................................
#define CONFIGSET_SHUN      0x000008     /* Shun settings */
#define CONFIGSET_USER      0x000010     /* The USER table */
#define CONFIGSET_ADDR      0x000020     /* The CONCEALED table */

#define CONFIGSET_ALL       0x0000ff     /* Everything */

#define CONFIGSET_OVERWRITE 0x100000     /* Causes overwrite instead of merge */
#define CONFIGSET_OLDFORMAT 0x200000     /* Use the legacy format */

#endif /* INTERFACE */

/*
** Names of the configuration sets
*/
static struct {
  const char *zName;   /* Name of the configuration set */
  int groupMask;       /* Mask for that configuration set */
  const char *zHelp;   /* What it does */
} aGroupName[] = {
  { "/email",        CONFIGSET_ADDR,  "Concealed email addresses in tickets" },
  { "/project",      CONFIGSET_PROJ,  "Project name and description"         },
  { "/skin",         CONFIGSET_SKIN,  "Web interface apparance settings"     },
  { "/shun",         CONFIGSET_SHUN,  "List of shunned artifacts"            },
  { "/ticket",       CONFIGSET_TKT,   "Ticket setup",                        },
  { "/user",         CONFIGSET_USER,  "Users and privilege settings"         },
  { "/all",          CONFIGSET_ALL,   "All of the above"                     },
};


/*
** The following is a list of settings that we are willing to
** transfer.  
**
................................................................................
** Return name of first configuration property matching the given mask.
*/
const char *configure_first_name(int iMask){
  iConfig = 0;
  return configure_next_name(iMask);
}
const char *configure_next_name(int iMask){
  if( iMask & CONFIGSET_OLDFORMAT ){
    while( iConfig<count(aConfig) ){
      if( aConfig[iConfig].groupMask & iMask ){
        return aConfig[iConfig++].zName;
      }else{
        iConfig++;
      }
    }
  }else{
    if( iConfig==0 && (iMask & CONFIGSET_ALL)==CONFIGSET_ALL ){
      iConfig = count(aGroupName);
      return "/all";
    }
    while( iConfig<count(aGroupName)-1 ){
      if( aGroupName[iConfig].groupMask & iMask ){
        return aGroupName[iConfig++].zName;
      }else{
        iConfig++;
      }
    }
  }
  return 0;
}

/*
** Return the mask for the named configuration parameter if it can be
................................................................................
         config_is_reset_function, 0, 0);
    sqlite3_create_function(g.db, "config_reset", 1, SQLITE_UTF8, 0,
         config_reset_function, 0, 0);
    configHasBeenReset = 0;
    db_multi_exec(zSQL2);
  }
}

/*
** After receiving configuration data, call this routine to transfer
** the results into the main database.
*/
void configure_finalize_receive(void){
  static const char zSQL[] =
    @ DELETE FROM user;
    @ INSERT INTO user SELECT * FROM _xfer_user;
    @ DELETE FROM reportfmt;
    @ INSERT INTO reportfmt SELECT * FROM _xfer_reportfmt;
    @ DROP TABLE _xfer_user;
    @ DROP TABLE _xfer_reportfmt;
  ;
  db_multi_exec(zSQL);
}

/*
** Return true if z[] is not a "safe" SQL token.  A safe token is one of:
**
**   *   A string literal
**   *   A blob literal
**   *   An integer literal  (no floating point)
................................................................................

/*
** Send "config" cards using the new format for all elements of a group
** that have recently changed.
**
** Output goes into pOut.  The groupMask identifies the group(s) to be sent.
** Send only entries whose timestamp is later than or equal to iStart.
**
** Return the number of cards sent.
*/
int configure_send_group(
  Blob *pOut,              /* Write output here */
  int groupMask,           /* Mask of groups to be send */
  sqlite3_int64 iStart     /* Only write values changed since this time */
){
  Stmt q;
  Blob rec;
  int ii;
  int nCard = 0;

  blob_zero(&rec);
  if( groupMask & CONFIGSET_SHUN ){
    db_prepare(&q, "SELECT mtime, quote(uuid), quote(scom) FROM shun"
                   " WHERE mtime>=%lld", iStart);
    while( db_step(&q)==SQLITE_ROW ){
      blob_appendf(&rec,"%s %s scom %s\n",
        db_column_text(&q, 0),
        db_column_text(&q, 1),
        db_column_text(&q, 2)
      );
      blob_appendf(pOut, "config /shun %d\n%s",
                   blob_size(&rec), blob_str(&rec));
      nCard++;
      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_USER ){
    db_prepare(&q, "SELECT mtime, quote(login), quote(pw), quote(cap),"
                   "       quote(info), quote(photo) FROM user"
................................................................................
        db_column_text(&q, 2),
        db_column_text(&q, 3),
        db_column_text(&q, 4),
        db_column_text(&q, 5)
      );
      blob_appendf(pOut, "config /user %d\n%s",
                   blob_size(&rec), blob_str(&rec));
      nCard++;
      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_TKT ){
    db_prepare(&q, "SELECT mtime, quote(title), quote(owner), quote(cols),"
                   "       quote(sqlcode) FROM reportfmt"
................................................................................
        db_column_text(&q, 1),
        db_column_text(&q, 2),
        db_column_text(&q, 3),
        db_column_text(&q, 4)
      );
      blob_appendf(pOut, "config /reportfmt %d\n%s",
                   blob_size(&rec), blob_str(&rec));
      nCard++;
      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  if( groupMask & CONFIGSET_ADDR ){
    db_prepare(&q, "SELECT mtime, quote(hash), quote(content) FROM concealed"
                   " WHERE mtime>=%lld", iStart);
................................................................................
      blob_appendf(&rec,"%s %s content %s\n",
        db_column_text(&q, 0),
        db_column_text(&q, 1),
        db_column_text(&q, 2)
      );
      blob_appendf(pOut, "config /concealed %d\n%s",
                   blob_size(&rec), blob_str(&rec));
      nCard++;
      blob_reset(&rec);
    }
    db_finalize(&q);
  }
  db_prepare(&q, "SELECT mtime, quote(name), quote(value) FROM config"
                 " WHERE name=:name AND mtime>=%lld", iStart);
  for(ii=0; ii<count(aConfig); ii++){
................................................................................
        blob_appendf(&rec,"%s %s value %s\n",
          db_column_text(&q, 0),
          db_column_text(&q, 1),
          db_column_text(&q, 2)
        );
        blob_appendf(pOut, "config /config %d\n%s",
                     blob_size(&rec), blob_str(&rec));
        nCard++;
        blob_reset(&rec);
      }
      db_reset(&q);
    }
  }
  db_finalize(&q);






































  return nCard;
}

/*
** Identify a configuration group by name.  Return its mask.
** Throw an error if no match.
*/
int configure_name_to_mask(const char *z, int notFoundIsFatal){
  int i;
  int n = strlen(z);
  for(i=0; i<count(aGroupName); i++){
    if( strncmp(z, &aGroupName[i].zName[1], n)==0 ){
      return aGroupName[i].groupMask;
    }
  }
  if( notFoundIsFatal ){
    printf("Available configuration areas:\n");
    for(i=0; i<count(aGroupName); i++){

      printf("  %-10s %s\n", &aGroupName[i].zName[1], aGroupName[i].zHelp);
    }
    fossil_fatal("no such configuration area: \"%s\"", z);
  }
  return 0;
}

/*
** Write SQL text into file zFilename that will restore the configuration
** area identified by mask to its current state from any other state.
*/
................................................................................
**         the current configuration.  Existing values take priority over
**         values read from FILENAME.
**
**    %fossil configuration pull AREA ?URL?
**
**         Pull and install the configuration from a different server
**         identified by URL.  If no URL is specified, then the default
**         server is used. Use the --legacy option for the older protocol
**         (when talking to servers compiled prior to 2011-04-27.)  Use
**         the --overwrite flag to completely replace local settings with
**         content received from URL.
**
**    %fossil configuration push AREA ?URL?
**
**         Push the local configuration into the remote server identified
**         by URL.  Admin privilege is required on the remote server for
**         this to work.  When the same record exists both locally and on
**         the remote end, the one that was most recently changed wins.
**         Use the --legacy flag when talking to holder servers.
**
**    %fossil configuration reset AREA
**
**         Restore the configuration to the default.  AREA as above.
**
**    %fossil configuration sync AREA ?URL?
**
**         Synchronize configuration changes in the local repository with
**         the remote repository at URL.  
*/
void configuration_cmd(void){
  int n;
  const char *zMethod;
  if( g.argc<3 ){
    usage("export|import|merge|pull|reset ...");
  }
................................................................................
  if( strncmp(zMethod, "export", n)==0 ){
    int mask;
    const char *zSince = find_option("since",0,1);
    sqlite3_int64 iStart;
    if( g.argc!=5 ){
      usage("export AREA FILENAME");
    }
    mask = configure_name_to_mask(g.argv[3], 1);
    if( zSince ){
      iStart = db_multi_exec(
         "SELECT coalesce(strftime('%%s',%Q),strftime('%%s','now',%Q))+0",
         zSince, zSince
      );
    }else{
      iStart = 0;
................................................................................
      groupMask = CONFIGSET_ALL | CONFIGSET_OVERWRITE;
    }else{
      groupMask = CONFIGSET_ALL;
    }
    configure_receive_all(&in, groupMask);
    db_end_transaction(0);
  }else
  if( strncmp(zMethod, "pull", n)==0
   || strncmp(zMethod, "push", n)==0
   || strncmp(zMethod, "sync", n)==0
  ){
    int mask;
    const char *zServer;
    const char *zPw;
    int legacyFlag = 0;
    int overwriteFlag = 0;
    if( zMethod[0]!='s' ) legacyFlag = find_option("legacy",0,0)!=0;
    if( strncmp(zMethod,"pull",n)==0 ){
      overwriteFlag = find_option("overwrite",0,0)!=0;
    }
    url_proxy_options();
    if( g.argc!=4 && g.argc!=5 ){
      usage("pull AREA ?URL?");
    }
    mask = configure_name_to_mask(g.argv[3], 1);
    if( g.argc==5 ){
      zServer = g.argv[4];
      zPw = 0;
      g.dontKeepUrl = 1;
    }else{
      zServer = db_get("last-sync-url", 0);
      if( zServer==0 ){
................................................................................
      }
      zPw = unobscure(db_get("last-sync-pw", 0));
    }
    url_parse(zServer);
    if( g.urlPasswd==0 && zPw ) g.urlPasswd = mprintf("%s", zPw);
    user_select();
    url_enable_proxy("via proxy: ");
    if( legacyFlag ) mask |= CONFIGSET_OLDFORMAT;
    if( overwriteFlag ) mask |= CONFIGSET_OVERWRITE;
    if( strncmp(zMethod, "push", n)==0 ){
      client_sync(0,0,0,0,0,mask);
    }else if( strncmp(zMethod, "pull", n)==0 ){
      client_sync(0,0,0,0,mask,0);
    }else{
      client_sync(0,0,0,0,mask,mask);
    }
  }else
  if( strncmp(zMethod, "reset", n)==0 ){
    int mask, i;
    char *zBackup;
    if( g.argc!=4 ) usage("reset AREA");
    mask = configure_name_to_mask(g.argv[3], 1);
    zBackup = db_text(0, 
       "SELECT strftime('config-backup-%%Y%%m%%d%%H%%M%%f','now')");
    db_begin_transaction();
    export_config(mask, g.argv[3], 0, zBackup);
    for(i=0; i<count(aConfig); i++){
      const char *zName = aConfig[i].zName;
      if( (aConfig[i].groupMask & mask)==0 ) continue;

Changes to src/xfer.c.

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  while( db_step(&q)==SQLITE_ROW ){
    blob_appendf(pXfer->pOut, "igot %s\n", db_column_text(&q, 0));
  }
  db_finalize(&q);
}

/*
** Send a single old-style config card for configuration item zName



*/
static void send_config_card(Xfer *pXfer, const char *zName){
  if( zName[0]!='@' ){
    Blob val;
    blob_zero(&val);
    db_blob(&val, "SELECT value FROM config WHERE name=%Q", zName);
    if( blob_size(&val)>0 ){
      blob_appendf(pXfer->pOut, "config %s %d\n", zName, blob_size(&val));
      blob_append(pXfer->pOut, blob_buffer(&val), blob_size(&val));
................................................................................
    ** Request a configuration value
    */
    if( blob_eq(&xfer.aToken[0], "reqconfig")
     && xfer.nToken==2
    ){
      if( g.okRead ){
        char *zName = blob_str(&xfer.aToken[1]);






        if( configure_is_exportable(zName) ){

          send_config_card(&xfer, zName);
        }
      }
    }else
    
    /*   config NAME SIZE \n CONTENT
    **
    ** Receive a configuration value from the client.  This is only
................................................................................
      blob_extract(xfer.pIn, size, &content);
      if( !g.okAdmin ){
        cgi_reset_content();
        @ error not\sauthorized\sto\spush\sconfiguration
        nErr++;
        break;
      }
      if( !recvConfig ){
        configure_prepare_to_receive(0);
        recvConfig = 1;
      }
      configure_receive(zName, &content, CONFIGSET_ALL);
      blob_reset(&content);
      blob_seek(xfer.pIn, 1, BLOB_SEEK_CUR);
    }else
................................................................................
      const char *zName;
      zName = configure_first_name(configRcvMask);
      while( zName ){
        blob_appendf(&send, "reqconfig %s\n", zName);
        zName = configure_next_name(configRcvMask);
        nCardSent++;
      }
      if( configRcvMask & (CONFIGSET_USER|CONFIGSET_TKT) ){



        configure_prepare_to_receive(0);
      }
      origConfigRcvMask = configRcvMask;
      configRcvMask = 0;
    }

    /* Send configuration parameters being pushed */
    if( configSendMask ){

      const char *zName;
      zName = configure_first_name(configSendMask);
      while( zName ){
        send_config_card(&xfer, zName);
        zName = configure_next_name(configSendMask);
        nCardSent++;



      }
      configSendMask = 0;
    }

    /* Append randomness to the end of the message.  This makes all
    ** messages unique so that that the login-card nonce will always
    ** be unique.
................................................................................
        fossil_warning("%b", &xfer.err);
        nErr++;
        break;
      }
      blobarray_reset(xfer.aToken, xfer.nToken);
      blob_reset(&xfer.line);
    }
    if( origConfigRcvMask & (CONFIGSET_TKT|CONFIGSET_USER) ){


      configure_finalize_receive();
    }
    origConfigRcvMask = 0;
    if( nCardRcvd>0 ){
      fossil_print(zValueFormat, "Received:",
                   blob_size(&recv), nCardRcvd,
                   xfer.nFileRcvd, xfer.nDeltaRcvd + xfer.nDanglingFile);







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  while( db_step(&q)==SQLITE_ROW ){
    blob_appendf(pXfer->pOut, "igot %s\n", db_column_text(&q, 0));
  }
  db_finalize(&q);
}

/*
** Send a single old-style config card for configuration item zName.
**
** This routine and the functionality it implements is scheduled for
** removal on 2012-05-01.
*/
static void send_legacy_config_card(Xfer *pXfer, const char *zName){
  if( zName[0]!='@' ){
    Blob val;
    blob_zero(&val);
    db_blob(&val, "SELECT value FROM config WHERE name=%Q", zName);
    if( blob_size(&val)>0 ){
      blob_appendf(pXfer->pOut, "config %s %d\n", zName, blob_size(&val));
      blob_append(pXfer->pOut, blob_buffer(&val), blob_size(&val));
................................................................................
    ** Request a configuration value
    */
    if( blob_eq(&xfer.aToken[0], "reqconfig")
     && xfer.nToken==2
    ){
      if( g.okRead ){
        char *zName = blob_str(&xfer.aToken[1]);
        if( zName[0]=='/' ){
          /* New style configuration transfer */
          int groupMask = configure_name_to_mask(&zName[0], 0);
          if( !g.okAdmin ) groupMask &= ~CONFIGSET_USER;
          if( !g.okRdAddr ) groupMask &= ~CONFIGSET_ADDR;
          configure_send_group(xfer.pOut, groupMask, 0);
        }else if( configure_is_exportable(zName) ){
          /* Old style configuration transfer */
          send_legacy_config_card(&xfer, zName);
        }
      }
    }else
    
    /*   config NAME SIZE \n CONTENT
    **
    ** Receive a configuration value from the client.  This is only
................................................................................
      blob_extract(xfer.pIn, size, &content);
      if( !g.okAdmin ){
        cgi_reset_content();
        @ error not\sauthorized\sto\spush\sconfiguration
        nErr++;
        break;
      }
      if( !recvConfig && zName[0]=='@' ){
        configure_prepare_to_receive(0);
        recvConfig = 1;
      }
      configure_receive(zName, &content, CONFIGSET_ALL);
      blob_reset(&content);
      blob_seek(xfer.pIn, 1, BLOB_SEEK_CUR);
    }else
................................................................................
      const char *zName;
      zName = configure_first_name(configRcvMask);
      while( zName ){
        blob_appendf(&send, "reqconfig %s\n", zName);
        zName = configure_next_name(configRcvMask);
        nCardSent++;
      }
      if( (configRcvMask & (CONFIGSET_USER|CONFIGSET_TKT))!=0
       && (configRcvMask & CONFIGSET_OLDFORMAT)!=0
      ){
        int overwrite = (configRcvMask & CONFIGSET_OVERWRITE)!=0;
        configure_prepare_to_receive(overwrite);
      }
      origConfigRcvMask = configRcvMask;
      configRcvMask = 0;
    }

    /* Send configuration parameters being pushed */
    if( configSendMask ){
      if( configSendMask & CONFIGSET_OLDFORMAT ){
        const char *zName;
        zName = configure_first_name(configSendMask);
        while( zName ){
          send_legacy_config_card(&xfer, zName);
          zName = configure_next_name(configSendMask);
          nCardSent++;
        }
      }else{
        nCardSent += configure_send_group(xfer.pOut, configSendMask, 0);
      }
      configSendMask = 0;
    }

    /* Append randomness to the end of the message.  This makes all
    ** messages unique so that that the login-card nonce will always
    ** be unique.
................................................................................
        fossil_warning("%b", &xfer.err);
        nErr++;
        break;
      }
      blobarray_reset(xfer.aToken, xfer.nToken);
      blob_reset(&xfer.line);
    }
    if( (configRcvMask & (CONFIGSET_USER|CONFIGSET_TKT))!=0
     && (configRcvMask & CONFIGSET_OLDFORMAT)!=0
    ){
      configure_finalize_receive();
    }
    origConfigRcvMask = 0;
    if( nCardRcvd>0 ){
      fossil_print(zValueFormat, "Received:",
                   blob_size(&recv), nCardRcvd,
                   xfer.nFileRcvd, xfer.nDeltaRcvd + xfer.nDanglingFile);