Fossil

*/
#define CGIDEBUG(X)  if( g.fDebug ) cgi_debug X

#endif

Global g;

/*
** The table of web pages supported by this application is generated
** automatically by the "mkindex" program and written into a file
** named "page_index.h".  We include that file here to get access
** to the table.
*/
#include "page_index.h"

/*
** Search for a function whose name matches zName.  Write a pointer to
** that function into *pxFunc and return 0.  If no match is found,
** return 1.  If the command is ambiguous return 2;
**
** The NameMap structure and the tables we are searching against are
** defined in the page_index.h header file which is automatically
** generated by mkindex.c program.
*/
static int name_search(
  const char *zName,       /* The name we are looking for */
  const NameMap *aMap,     /* Search in this array */
  int nMap,                /* Number of slots in aMap[] */
  int iBegin,              /* Lower bound on the array search */
  int *pIndex              /* OUT: The index in aMap[] of the match */
){
  int upr, lwr, cnt, m, i;
  int n = strlen(zName);
  lwr = iBegin;
  upr = nMap-1;
  while( lwr<=upr ){
    int mid, c;
    mid = (upr+lwr)/2;
    c = fossil_strcmp(zName, aMap[mid].zName);
    if( c==0 ){
      *pIndex = mid;
      return 0;
    }else if( c<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  for(m=cnt=0, i=upr-2; cnt<2 && i<=upr+3 && i<nMap; i++){
    if( i<iBegin ) continue;
    if( strncmp(zName, aMap[i].zName, n)==0 ){
      m = i;
      cnt++;
    }
  }
  if( cnt==1 ){
    *pIndex = m;
    return 0;
  }
  return 1+(cnt>1);
}

/*
** atexit() handler which frees up "some" of the resources
** used by fossil.
*/
static void fossil_atexit(void) {
#if defined(_WIN32) && !defined(_WIN64) && defined(FOSSIL_ENABLE_TCL) && \
    defined(USE_TCL_STUBS)

#if defined(_WIN32)
int _CRT_glob = 0x0001; /* See MinGW bug #2062 */
#endif
int main(int argc, char **argv)
#endif
{
  const char *zCmdName = "unknown";
  int idx;
  int rc;
  if( sqlite3_libversion_number()<3014000 ){
    fossil_fatal("Unsuitable SQLite version %s, must be at least 3.14.0",
                 sqlite3_libversion());
  }
  sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
  sqlite3_config(SQLITE_CONFIG_LOG, fossil_sqlite_log, 0);

      g.httpOut = stdout;
      g.fullHttpReply = !g.isHTTP;
      fossil_fatal("file descriptor 2 is not open. (fd=%d, errno=%d)",
                   fd, x);
    }
  }
#endif
  rc = name_search(zCmdName, aCommand, count(aCommand), FOSSIL_FIRST_CMD, &idx);
  if( rc==1 ){
#ifdef FOSSIL_ENABLE_TH1_HOOKS
    if( !g.isHTTP && !g.fNoThHook ){
      rc = Th_CommandHook(zCmdName, 0);
    }else{
      rc = TH_OK;
    }
    if( rc==TH_OK || rc==TH_RETURN || rc==TH_CONTINUE ){
      if( rc==TH_OK || rc==TH_RETURN ){
#endif
        fossil_fatal("%s: unknown command: %s\n"
                     "%s: use \"help\" for more information\n",
                     g.argv[0], zCmdName, g.argv[0]);
#ifdef FOSSIL_ENABLE_TH1_HOOKS
      }
      if( !g.isHTTP && !g.fNoThHook && (rc==TH_OK || rc==TH_CONTINUE) ){
        Th_CommandNotify(zCmdName, 0);
      }
    }
    fossil_exit(0);
#endif
  }else if( rc==2 ){
    int i, n;
    Blob couldbe;
    blob_zero(&couldbe);
    n = strlen(zCmdName);
    for(i=0; i<count(aCommand); i++){
      if( memcmp(zCmdName, aCommand[i].zName, n)==0 ){
        blob_appendf(&couldbe, " %s", aCommand[i].zName);
      }
    }
    fossil_print("%s: ambiguous command prefix: %s\n"
                 "%s: could be any of:%s\n"
                 "%s: use \"help\" for more information\n",
                 g.argv[0], zCmdName, g.argv[0], blob_str(&couldbe), g.argv[0]);
    fossil_exit(1);
  }
  atexit( fossil_atexit );

  ** TH_RETURN: The xFunc() will be executed, the TH1 notification will be
  **            skipped.
  **
  ** TH_CONTINUE: The xFunc() will be skipped, the TH1 notification will be
  **              executed.
  */
  if( !g.isHTTP && !g.fNoThHook ){
    rc = Th_CommandHook(aCommand[idx].zName, aCommand[idx].cmdFlags);
  }else{
    rc = TH_OK;
  }
  if( rc==TH_OK || rc==TH_RETURN || rc==TH_CONTINUE ){
    if( rc==TH_OK || rc==TH_RETURN ){
#endif
      aCommand[idx].xFunc();
#ifdef FOSSIL_ENABLE_TH1_HOOKS
    }
    if( !g.isHTTP && !g.fNoThHook && (rc==TH_OK || rc==TH_CONTINUE) ){
      Th_CommandNotify(aCommand[idx].zName, aCommand[idx].cmdFlags);
    }
  }
#endif
  fossil_exit(0);
  /*NOT_REACHED*/
  return 0;
}

    }
  }
}

/*
** Print a list of words in multiple columns.
*/
static void multi_column_list(const char **azWord, int nWord){
  int i, j, len;
  int mxLen = 0;
  int nCol;
  int nRow;
  for(i=0; i<nWord; i++){
    len = strlen(azWord[i]);
    if( len>mxLen ) mxLen = len;
  }
  nCol = 80/(mxLen+2);
  if( nCol==0 ) nCol = 1;
  nRow = (nWord + nCol - 1)/nCol;
  for(i=0; i<nRow; i++){
    const char *zSpacer = "";
    for(j=i; j<nWord; j+=nRow){
      fossil_print("%s%-*s", zSpacer, mxLen, azWord[j]);
      zSpacer = "  ";
    }
    fossil_print("\n");
  }
}

/*
** List of commands starting with zPrefix, or all commands if zPrefix is NULL.
*/
static void command_list(const char *zPrefix, int cmdMask){
  int i, nCmd;
  int nPrefix = zPrefix ? strlen(zPrefix) : 0;
  const char *aCmd[count(aCommand)];
  for(i=nCmd=0; i<count(aCommand); i++){
    const char *z = aCommand[i].zName;
    if( (aCommand[i].cmdFlags & cmdMask)==0 ) continue;
    if( zPrefix && memcmp(zPrefix, z, nPrefix)!=0 ) continue;
    aCmd[nCmd++] = aCommand[i].zName;
  }
  multi_column_list(aCmd, nCmd);
}

/*
** COMMAND: test-list-webpage
**
** List all web pages.
*/
void cmd_test_webpage_list(void){
  int i, nCmd;
  const char *aCmd[count(aCommand)];
  for(i=nCmd=0; i<count(aCommand); i++){
    if(0x08 & aCommand[i].cmdFlags){
      aCmd[nCmd++] = aWebpage[i].zName;
    }
  }
  assert(nCmd && "page list is empty?");
  multi_column_list(aCmd, nCmd);
}



/*
** This function returns a human readable version string.
*/
const char *get_version(){
  static const char version[] = RELEASE_VERSION " " MANIFEST_VERSION " "

  @ <blockquote><pre>
  @ %h(blob_str(&versionInfo))
  @ </pre></blockquote>
  style_footer();
}


/*
** COMMAND: help
**
** Usage: %fossil help COMMAND
**    or: %fossil COMMAND --help
**
** Display information on how to use COMMAND.  To display a list of
** available commands use one of:
**
**    %fossil help              Show common commands
**    %fossil help -a|--all     Show both common and auxiliary commands
**    %fossil help -t|--test    Show test commands only
**    %fossil help -x|--aux     Show auxiliary commands only
**    %fossil help -w|--www     Show list of WWW pages
*/
void help_cmd(void){
  int rc, idx, isPage = 0;
  const char *z;
  const char *zCmdOrPage;
  const char *zCmdOrPagePlural;
  if( g.argc<3 ){
    z = g.argv[0];
    fossil_print(
      "Usage: %s help COMMAND\n"
      "Common COMMANDs:  (use \"%s help -a|--all\" for a complete list)\n",
      z, z);
    command_list(0, CMDFLAG_1ST_TIER);
    version_cmd();
    return;
  }
  if( find_option("all","a",0) ){
    command_list(0, CMDFLAG_1ST_TIER | CMDFLAG_2ND_TIER);
    return;
  }
  else if( find_option("www","w",0) ){
    command_list(0, CMDFLAG_WEBPAGE);
    return;
  }
  else if( find_option("aux","x",0) ){
    command_list(0, CMDFLAG_2ND_TIER);
    return;
  }
  else if( find_option("test","t",0) ){
    command_list(0, CMDFLAG_TEST);
    return;
  }
  isPage = ('/' == *g.argv[2]) ? 1 : 0;
  if(isPage){
    zCmdOrPage = "page";
    zCmdOrPagePlural = "pages";
  }else{
    zCmdOrPage = "command";
    zCmdOrPagePlural = "commands";
  }
  rc = name_search(g.argv[2], aCommand, count(aCommand), 0, &idx);
  if( rc==1 ){
    fossil_print("unknown %s: %s\nAvailable %s:\n",
                 zCmdOrPage, g.argv[2], zCmdOrPagePlural);
    command_list(0, isPage ? CMDFLAG_WEBPAGE : (0xff & ~CMDFLAG_WEBPAGE));
    fossil_exit(1);
  }else if( rc==2 ){
    fossil_print("ambiguous %s prefix: %s\nMatching %s:\n",
                 zCmdOrPage, g.argv[2], zCmdOrPagePlural);
    command_list(g.argv[2], 0xff);
    fossil_exit(1);
  }
  z = aCmdHelp[idx].zText;
  if( z==0 ){
    fossil_fatal("no help available for the %s %s",
                 aCommand[idx].zName, zCmdOrPage);
  }
  while( *z ){
    if( *z=='%' && strncmp(z, "%fossil", 7)==0 ){
      fossil_print("%s", g.argv[0]);
      z += 7;
    }else{
      putchar(*z);
      z++;
    }
  }
  putchar('\n');
}

/*
** COMMAND: test-all-help
**
** Usage: %fossil test-all-help ?OPTIONS?
**
** Show help text for commands and pages.  Useful for proof-reading.
** Defaults to just the CLI commands.  Specify --www to see only the
** web pages, or --everything to see both commands and pages.
**
** Options:
**    -e|--everything   Show all commands and pages.
**    -t|--test         Include test- commands
**    -w|--www          Show WWW pages.
*/
void test_all_help_cmd(void){
  int i;
  int mask = CMDFLAG_1ST_TIER | CMDFLAG_2ND_TIER;

  if( find_option("www","w",0) ){
    mask = CMDFLAG_WEBPAGE;
  }
  if( find_option("everything","e",0) ){
    mask = CMDFLAG_1ST_TIER | CMDFLAG_2ND_TIER | CMDFLAG_WEBPAGE;
  }
  if( find_option("test","t",0) ){
    mask |= CMDFLAG_TEST;
  }
  fossil_print("Help text for:\n");
  if( mask & CMDFLAG_1ST_TIER ) fossil_print(" * Commands\n");
  if( mask & CMDFLAG_2ND_TIER ) fossil_print(" * Auxiliary commands\n");
  if( mask & CMDFLAG_TEST )     fossil_print(" * Test commands\n");
  if( mask & CMDFLAG_WEBPAGE )  fossil_print(" * Web pages\n");
  fossil_print("---\n");
  for(i=0; i<count(aCommand); i++){
    if( (aCommand[i].cmdFlags & mask)==0 ) continue;
    fossil_print("# %s\n", aCommand[i].zName);
    fossil_print("%s\n\n", aCmdHelp[i].zText);
  }
  fossil_print("---\n");
  version_cmd();
}

/*
** WEBPAGE: help
** URL: /help?name=CMD
**
** Show the built-in help text for CMD.  CMD can be a command-line interface
** command or a page name from the web interface.
*/
void help_page(void){
  const char *zCmd = P("cmd");

  if( zCmd==0 ) zCmd = P("name");
  style_header("Command-line Help");
  if( zCmd ){
    int rc, idx;
    char *z, *s, *d;
    style_submenu_element("Command-List", "Command-List", "%s/help", g.zTop);
    if( *zCmd=='/' ){
      /* Some of the webpages require query parameters in order to work.
      ** @ <h1>The "<a href='%R%s(zCmd)'>%s(zCmd)</a>" page:</h1> */
      @ <h1>The "%s(zCmd)" page:</h1>
    }else{
      @ <h1>The "%s(zCmd)" command:</h1>
    }
    rc = name_search(zCmd, aCommand, count(aCommand), 0, &idx);
    if( rc==1 ){
      @ unknown command: %s(zCmd)
    }else if( rc==2 ){
      @ ambiguous command prefix: %s(zCmd)
    }else{
      z = (char*)aCmdHelp[idx].zText;
      if( z==0 ){
        @ no help available for the %s(aCommand[idx].zName) command
      }else{
        z=s=d=mprintf("%s",z);
        while( *s ){
          if( *s=='%' && strncmp(s, "%fossil", 7)==0 ){
            s++;
          }else{
            *d++ = *s++;
          }
        }
        *d = 0;
        @ <blockquote><pre>
        @ %h(z)
        @ </pre></blockquote>
        fossil_free(z);
      }
    }
  }else{
    int i, j, n;

    @ <h1>Available commands:</h1>
    @ <table border="0"><tr>
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( '/'==*z || strncmp(z,"test",4)==0 ) continue;
      j++;
    }
    n = (j+6)/7;
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( '/'==*z || strncmp(z,"test",4)==0 ) continue;
      if( j==0 ){
        @ <td valign="top"><ul>
      }
      @ <li><a href="%R/help?cmd=%s(z)">%s(z)</a></li>
      j++;
      if( j>=n ){
        @ </ul></td>
        j = 0;
      }
    }
    if( j>0 ){
      @ </ul></td>
    }
    @ </tr></table>

    @ <h1>Available web UI pages:</h1>
    @ <table border="0"><tr>
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( '/'!=*z ) continue;
      j++;
    }
    n = (j+4)/5;
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( '/'!=*z ) continue;
      if( j==0 ){
        @ <td valign="top"><ul>
      }
      if( aCmdHelp[i].zText && *aCmdHelp[i].zText ){
        @ <li><a href="%R/help?cmd=%s(z)">%s(z+1)</a></li>
      }else{
        @ <li>%s(z+1)</li>
      }
      j++;
      if( j>=n ){
        @ </ul></td>
        j = 0;
      }
    }
    if( j>0 ){
      @ </ul></td>
    }
    @ </tr></table>

    @ <h1>Unsupported commands:</h1>
    @ <table border="0"><tr>
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( strncmp(z,"test",4)!=0 ) continue;
      j++;
    }
    n = (j+3)/4;
    for(i=j=0; i<count(aCommand); i++){
      const char *z = aCommand[i].zName;
      if( strncmp(z,"test",4)!=0 ) continue;
      if( j==0 ){
        @ <td valign="top"><ul>
      }
      if( aCmdHelp[i].zText && *aCmdHelp[i].zText ){
        @ <li><a href="%R/help?cmd=%s(z)">%s(z)</a></li>
      }else{
        @ <li>%s(z)</li>
      }
      j++;
      if( j>=n ){
        @ </ul></td>
        j = 0;
      }
    }
    if( j>0 ){
      @ </ul></td>
    }
    @ </tr></table>

  }
  style_footer();
}

/*
** WEBPAGE: test-all-help
**
** Show all help text on a single page.  Useful for proof-reading.
*/
void test_all_help_page(void){
  int i;
  style_header("Testpage: All Help Text");
  for(i=0; i<count(aCommand); i++){
    if( memcmp(aCommand[i].zName, "test", 4)==0 ) continue;
    @ <h2>%s(aCommand[i].zName):</h2>
    @ <blockquote><pre>
    @ %h(aCmdHelp[i].zText)
    @ </pre></blockquote>
  }
  style_footer();
}

/*
** Set the g.zBaseURL value to the full URL for the toplevel of
** the fossil tree.  Set g.zTop to g.zBaseURL without the
** leading "http://" and the host and port.
**
** The g.zBaseURL is normally set based on HTTP_HOST and SCRIPT_NAME
** environment variables.  However, if zAltBase is not NULL then it

  const char *zNotFound,      /* Redirect here on a 404 if not NULL */
  Glob *pFileGlob,            /* Deliver static files matching */
  int allowRepoList           /* Send repo list for "/" URL */
){
  const char *zPathInfo;
  const char *zDirPathInfo;
  char *zPath = NULL;
  int idx;
  int i;


  /* Handle universal query parameters */
  if( PB("utc") ){
    g.fTimeFormat = 1;
  }else if( PB("localtime") ){
    g.fTimeFormat = 2;
  }

    }
#endif
  }

  /* Locate the method specified by the path and execute the function
  ** that implements that method.
  */
  if( name_search(g.zPath, aWebpage, count(aWebpage), 0, &idx) ){
#ifdef FOSSIL_ENABLE_JSON
    if(g.json.isJsonMode){
      json_err(FSL_JSON_E_RESOURCE_NOT_FOUND,NULL,0);
    }else
#endif
    {
#ifdef FOSSIL_ENABLE_TH1_HOOKS

        }
        if( !g.fNoThHook && (rc==TH_OK || rc==TH_CONTINUE) ){
          Th_WebpageNotify(g.zPath, 0);
        }
      }
#endif
    }
  }else if( aWebpage[idx].xFunc!=page_xfer && db_schema_is_outofdate() ){
#ifdef FOSSIL_ENABLE_JSON
    if(g.json.isJsonMode){
      json_err(FSL_JSON_E_DB_NEEDS_REBUILD,NULL,0);
    }else
#endif
    {
      @ <h1>Server Configuration Error</h1>

    **            skipped.
    **
    ** TH_CONTINUE: The xFunc() will be skipped, the TH1 notification will be
    **              executed.
    */
    int rc;
    if( !g.fNoThHook ){
      rc = Th_WebpageHook(aWebpage[idx].zName, aWebpage[idx].cmdFlags);
    }else{
      rc = TH_OK;
    }
    if( rc==TH_OK || rc==TH_RETURN || rc==TH_CONTINUE ){
      if( rc==TH_OK || rc==TH_RETURN ){
#endif
        aWebpage[idx].xFunc();
#ifdef FOSSIL_ENABLE_TH1_HOOKS
      }
      if( !g.fNoThHook && (rc==TH_OK || rc==TH_CONTINUE) ){
        Th_WebpageNotify(aWebpage[idx].zName, aWebpage[idx].cmdFlags);
      }
    }
#endif
  }

  /* Return the result.
  */