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grst_admin_file.c
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/*
Copyright (c) 2002-3, Andrew McNab, University of Manchester
All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, are permitted provided that the following
conditions are met:
o Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
disclaimer.
o Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials
provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/*------------------------------------------------------------------*
* This program is part of GridSite: http://www.gridsite.org/ *
*------------------------------------------------------------------*/
#ifndef VERSION
#define VERSION "x.x.x"
#endif
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <fcntl.h>
// when porting: remember that sendfile() is very OS-specific!
#if defined(FREEBSD) || defined(__FreeBSD__)
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#else
#include <sys/sendfile.h>
#endif
#include <gridsite.h>
#include "grst_admin.h"
//char *GRST_PASSCODE_JS = "<script type=\"text/javascript\" language=\"Javascript\"><!--\nfunction changeValue(formName){ if( document.formName.passcode.value==\"\" ) { document.formName.passcode.value=getCookie(\"GRIDHTTP_PASSCODE\"); return true; } return false;} \nfunction getCookie(c_name){ if (document.cookie.length>0) { c_start=document.cookie.indexOf(c_name + \"=\"); if (c_start!=-1) { c_start=c_start + c_name.length+1; c_end=document.cookie.indexOf(\";\",c_start); if (c_end==-1) c_end=document.cookie.length; return unescape(document.cookie.substring(c_start,c_end)); }} return \"\"; } \n-->\n</script>";
int verifypasscode()
{
char *issuedpc=NULL, *returnedpc=NULL, *requirepasscode=NULL;
requirepasscode = getenv("GRST_REQUIRE_PASSCODE");
issuedpc = getenv("GRST_PASSCODE_COOKIE");
returnedpc = GRSThttpGetCGI("passcode");
/* if GRST_REQUIRE_PASSCODE != on then always OK */
if (requirepasscode == NULL) return 1;
if (strcmp(requirepasscode, "on") != 0) return 1;
/* otherwise, require passcode and that it matches */
if (issuedpc == NULL) return 0;
if (returnedpc == NULL) return 0;
if (strcmp(issuedpc, returnedpc)==0 )return 1;
return 0;
}
void outputformactionerror(char *dn, GRSTgaclPerm perm, char *help_uri,
char *dir_path, char *dir_uri, char *admin_file)
{
GRSThttpBody bp;
puts("Status: 500 Failed due to forbidden operation\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Forbidden operation</title>\n");
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Forbidden operation</h1>\n");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
if (GRSTgaclPermHasList(perm))
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
else adminfooter(&bp, dn, help_uri, dir_uri, NULL);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
return;
}
char *storeuploadfile(char *boundary, int *bufferused)
{
// rewrite this to copy whole POSTed stdin HTTP body to disk then
// mmap() and pick apart? How to deal with 100MB uploaded files, say?
char *filebuffer = NULL;
int bufferlen = 0, c, boundarylen;
*bufferused = 0;
boundarylen = strlen(boundary);
while ((c = getchar()) != EOF)
{
if (*bufferused > 1024*1024*100) return NULL;
++(*bufferused);
if (*bufferused > bufferlen)
{
bufferlen = bufferlen + 1000;
filebuffer = realloc(filebuffer, (size_t) bufferlen);
}
filebuffer[*bufferused - 1] = c;
if ( (*bufferused >= boundarylen + 4) &&
(boundary[boundarylen-1] == c) &&
(boundary[boundarylen-2] == filebuffer[*bufferused - 2]) &&
(strncmp(boundary, &filebuffer[*bufferused - boundarylen],
boundarylen) == 0))
{
*bufferused = *bufferused - boundarylen - 4;
if (filebuffer == NULL) return strdup("");
else return filebuffer;
}
}
return NULL;
}
void uploadfile(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *dir_uri, char *admin_file)
{
char *boundary, *p, oneline[1086], *filename = NULL,
tmpfilename[1025], *filebuffer = NULL, *filepath,
*vfile, *dir_path_vfile;
int mimestate, bufferused = 0, itworked = 0;
FILE *fp;
GRSThttpBody bp;
#define MIMESTUNKNOWN 1
#define MIMESTUPLOAD 2
#define MIMESTFILENM 3
/*
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
*/
if (!GRSTgaclPermHasWrite(perm)) GRSThttpError("403 Forbidden");
p = getenv("CONTENT_TYPE");
boundary = &p[30];
mimestate = MIMESTUNKNOWN;
while (fgets(oneline, sizeof(oneline), stdin) != NULL)
{
if (*oneline == 13) // MIME has CR/LF line breaks, CR=13
{
if (mimestate == MIMESTUPLOAD)
{
filebuffer = storeuploadfile(boundary, &bufferused);
mimestate = MIMESTUNKNOWN;
}
else if (mimestate == MIMESTFILENM)
{
fgets(tmpfilename, sizeof(tmpfilename), stdin);
if (*tmpfilename != 13)
{
p = index(tmpfilename, 13);
*p = '\0';
filename = strdup(tmpfilename);
}
mimestate = MIMESTUNKNOWN;
}
}
else if (GRSTstrCmpShort(oneline,
"Content-Disposition: form-data; name=\"uploadfile\"; filename=\"")
== 0)
{
mimestate = MIMESTUPLOAD;
if (filename == NULL)
{
filename = strdup(&oneline[61]);
p = rindex(&oneline[61], '\\');
if (p != NULL) { ++p ; filename = p; }
p = rindex(&oneline[61], '/');
if (p != NULL) { ++p ; filename = p; }
p = index(filename, '"');
if (p != NULL) *p = '\0';
}
}
else if (GRSTstrCmpShort(oneline,
"Content-Disposition: form-data; name=\"file\"") == 0)
{
mimestate = MIMESTFILENM;
}
}
if ((filebuffer != NULL) && (bufferused >= 0))
{
if (filename == NULL) GRSThttpError("403 Forbidden");
else if ((index(filename, '/') != NULL) ||
(strcmp(filename, GRST_ACL_FILE) == 0))
{
puts("Status: 403 Forbidden filename\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Forbidden filename %s</title>\n", filename);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Forbidden filename %s</h1>\n",
filename);
GRSThttpPrintf(&bp,
"<p align=center>New file names cannot include slashes "
"or use the reserved ACL name, %s\n", GRST_ACL_FILE);
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
return;
}
else
{
vfile = makevfilename(filename, bufferused, dn);
asprintf(&dir_path_vfile, "%s/%s", dir_path, vfile);
fp = fopen(dir_path_vfile, "w");
if (fp != NULL)
{
if ((fwrite(filebuffer,
sizeof(char), bufferused, fp) == bufferused) &&
(fclose(fp) == 0))
{
asprintf(&filepath, "%s/%s", dir_path, filename);
unlink(filepath); /* this can fail ok */
itworked = (link(dir_path_vfile, filepath) == 0);
}
}
}
free((void *) filebuffer);
}
if (itworked)
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
return;
}
puts("Status: 500 Failed trying to upload\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp, "<title>Failed to upload</title>\n");
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Failed to upload</h1>\n");
GRSThttpPrintf(&bp, "<p align=center>GridSite considers you are authorized "
"to upload the file, but the upload failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void deletefileaction(char *dn, GRSTgaclPerm perm, char *help_uri,
char *dir_path, char *file, char *dir_uri,
char *admin_file)
{
int numfiles;
char *dir_path_file, *dir_path_vfile, *p, *vfile, *dnlistsuri,
*fulluri, *server_name, *realfile;
struct stat statbuf;
GRSThttpBody bp;
struct dirent *subdirfile_ent;
DIR *subDIR;
FILE *fp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if ((file[0] == '\0') ||
((strcmp(file, GRST_ACL_FILE) != 0) && !GRSTgaclPermHasWrite(perm)) ||
((strcmp(file, GRST_ACL_FILE) == 0) && !GRSTgaclPermHasAdmin(perm)))
GRSThttpError("403 Forbidden");
dnlistsuri = getenv("GRST_DN_LISTS_URI");
if (dnlistsuri == NULL) dnlistsuri = getenv("REDIRECT_GRST_DN_LISTS_URI");
if ((dnlistsuri != NULL) &&
(strncmp(dnlistsuri, dir_uri, strlen(dnlistsuri)) == 0))
realfile = GRSThttpUrlEncode(file);
else if (index(file, '/') != NULL) GRSThttpError("403 Forbidden");
else realfile = file;
dir_path_file = malloc(strlen(dir_path) + strlen(realfile) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, realfile);
if ((stat(dir_path_file, &statbuf) == 0) && S_ISDIR(statbuf.st_mode))
{
subDIR = opendir(dir_path_file);
if (subDIR == NULL) numfiles = 99; /* stop deletion */
else
{
numfiles = 0;
while ((subdirfile_ent = readdir(subDIR)) != NULL)
if (subdirfile_ent->d_name[0] != '.') ++numfiles;
else if (strncmp(subdirfile_ent->d_name,
GRST_ACL_FILE,
sizeof(GRST_ACL_FILE)) == 0) ++numfiles;
closedir(subDIR);
}
if (numfiles == 0)
{
vfile = makevfilename(file, 0, dn);
dir_path_vfile = malloc(strlen(dir_path) + strlen(vfile) + 2);
strcpy(dir_path_vfile, dir_path);
strcat(dir_path_vfile, "/");
strcat(dir_path_vfile, vfile);
if (rename(dir_path_file, dir_path_vfile) == 0)
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
return;
}
}
}
else if (unlink(dir_path_file) == 0)
{
if (strcmp(file, GRST_ACL_FILE) != 0)
{
vfile = makevfilename(file, 0, dn);
dir_path_file = malloc(strlen(dir_path) + strlen(vfile) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, vfile);
fp = fopen(dir_path_file, "w");
if (fp != NULL) fclose(fp);
}
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
return;
}
puts("Status: 500 Failed trying to delete\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp, "<title>Error deleting %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error deleting %s%s</h1>\n",
dir_uri, file);
GRSThttpPrintf(&bp, "<p align=center>GridSite considers you are authorized "
"to delete %s, but the delete failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.",
file);
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void deletefileform(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
GRSThttpBody bp;
if (!GRSTgaclPermHasWrite(perm)) GRSThttpError("403 Forbidden");
puts("Status: 200 OK\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp, "<title>Delete %s</title>\n", file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Delete %s</h1>\n", file);
GRSThttpPrintf(&bp, "\n%s\n", GRST_PASSCODE_JS);
GRSThttpPrintf(&bp,"<form name='DeleteForm' action=\"%s%s\" method=post>\n",dir_uri,admin_file);
GRSThttpPrintf(&bp,"<h2 align=center>Do you really want to delete %s?", file);
GRSThttpPrintf(&bp,"<p align=center><input type=submit value=\"Yes, delete %s\" onclick=\"return changeValue('DeleteForm');\"></h2>\n", file);
GRSThttpPrintf(&bp,"<input type=hidden name=file value=\"%s\">\n", file);
GRSThttpPrintf(&bp,"<input type=hidden name=passcode value=\"\">\n");
GRSThttpPrintf(&bp,"<input type=hidden name=cmd value=deleteaction>\n");
GRSThttpPrintf(&bp,"</form>\n");
GRSThttpPrintf(&bp,"<p align=center>Or "
"<a href=\"%s%s?cmd=managedir\">return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void renameform(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
GRSThttpBody bp;
if (!GRSTgaclPermHasWrite(perm)) GRSThttpError("403 Forbidden");
puts("Status: 200 OK\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp, "<title>Rename %s</title>\n", file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Rename %s%s</h1>\n", dir_uri, file);
GRSThttpPrintf(&bp, "\n%s\n", GRST_PASSCODE_JS);
GRSThttpPrintf(&bp,"<form name=RenameForm action=\"%s%s\" method=post>\n",dir_uri,admin_file);
GRSThttpPrintf(&bp,"<h2 align=center>What do you want to rename %s to?</h2>", file);
GRSThttpPrintf(&bp,"<input type=hidden name=file value=\"%s\">\n", file);
GRSThttpPrintf(&bp,"<input type=hidden name=passcode value=\"\">\n");
GRSThttpPrintf(&bp,"<p align=center>New name: <input type=text name=newfile value=\"%s\">\n", file);
GRSThttpPrintf(&bp,"<input type=submit value=\"Rename\" onclick=\"return changeValue('RenameForm');\"");
GRSThttpPrintf(&bp,"<input type=hidden name=cmd value=renameaction>\n");
GRSThttpPrintf(&bp,"</form>\n");
GRSThttpPrintf(&bp,"<p align=center>Or "
"<a href=\"%s%s?cmd=managedir&diruri=%s\">return to "
"directory listing</a>\n", dir_uri, admin_file, dir_uri);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void editfileaction(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
char *pagetext, *dir_path_file, *vfile, *dir_path_vfile,
*dnlistsuri, *server_name, *fulluri, *realfile;
FILE *fp;
GRSThttpBody bp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if ((file[0] == '\0') ||
!GRSTgaclPermHasWrite(perm) ||
(strcmp(file, GRST_ACL_FILE) == 0)) GRSThttpError("403 Forbidden");
dnlistsuri = getenv("GRST_DN_LISTS_URI");
if (dnlistsuri == NULL) dnlistsuri = getenv("REDIRECT_GRST_DN_LISTS_URI");
if ((dnlistsuri != NULL) &&
(strncmp(dnlistsuri, dir_uri, strlen(dnlistsuri)) == 0))
{
realfile = GRSThttpUrlEncode(file);
if (realfile[0] == '.') GRSThttpError("403 Forbidden");
}
else if (index(file, '/') != NULL) GRSThttpError("403 Forbidden");
else realfile = file;
asprintf(&dir_path_file, "%s/%s", dir_path, realfile);
pagetext = GRSThttpGetCGI("pagetext");
vfile = makevfilename(file, strlen(pagetext), dn);
asprintf(&dir_path_vfile, "%s/%s", dir_path, vfile);
fp = fopen(dir_path_vfile, "w");
if (fp == NULL)
{
puts("Status: 500 Failed trying to write\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error writing %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error writing %s%s</h1>\n",
dir_uri, file);
GRSThttpPrintf(&bp,
"<p align=center>GridSite considers you are authorized "
"to write the file, but the write failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
return;
}
fwrite(pagetext, strlen(pagetext), sizeof(char), fp);
fclose(fp);
unlink(dir_path_file);
if (link(dir_path_vfile,dir_path_file) != 0) GRSThttpError("403 Forbidden");
if ((strlen(file) > 7) && (strcmp(&file[strlen(file) - 5], ".html") == 0))
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s\n\n", dir_uri, file);
else printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
}
void create_acl(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int fd;
char *tmpgacl, *newgacl;
GRSTgaclAcl *acl;
FILE *fp;
GRSThttpBody bp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if (!GRSTgaclPermHasAdmin(perm)) GRSThttpError("403 Forbidden");
asprintf(&tmpgacl, "%s/.tmp.XXXXXX", dir_path);
asprintf(&newgacl, "%s/%s", dir_path, GRST_ACL_FILE);
if (((acl = GRSTgaclAclLoadforFile(dir_path)) != NULL) &&
((fd = mkstemp(tmpgacl)) != -1) &&
((fp = fdopen(fd, "w+")) != NULL) &&
GRSTgaclAclPrint(acl, fp) &&
(fclose(fp) == 0) &&
(rename(tmpgacl, newgacl) == 0))
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
free(tmpgacl);
free(newgacl);
return;
}
puts("Status: 500 Failed trying to create\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error creating %s%s</title>\n", dir_uri,
GRST_ACL_FILE);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error creating %s%s</h1>\n",
dir_uri, GRST_ACL_FILE);
GRSThttpPrintf(&bp, "<p align=center>GridSite considers you are authorized "
"to create it, but the create failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
free(tmpgacl);
free(newgacl);
}
void renameaction(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int len;
char *dir_path_file, *vfile, *dir_path_vfile,
*dnlistsuri, *newfile, *dir_path_newfile;
struct stat statbuf;
FILE *fp;
GRSThttpBody bp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if (!GRSTgaclPermHasWrite(perm) || (strcmp(file, GRST_ACL_FILE) == 0))
GRSThttpError("403 Forbidden");
if (file[0] == '\0') GRSThttpError("403 Forbidden");
dir_path_file = malloc(strlen(dir_path) + strlen(file) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, file);
if (stat(dir_path_file, &statbuf) != 0) GRSThttpError("404 Not Found");
newfile = GRSThttpGetCGI("newfile");
if ((index(newfile, '/') != NULL) ||
(index(newfile, '<') != NULL) ||
(index(newfile, '>') != NULL) ||
(index(newfile, '&') != NULL) ||
(index(newfile, '"') != NULL)) newfile[0] = '\0';
if ((newfile[0] == '\0') ||
(strcmp(newfile, GRST_ACL_FILE) == 0) ||
(strcmp(newfile, file) == 0)) GRSThttpError("403 Forbidden");
dir_path_newfile = malloc(strlen(dir_path) + strlen(newfile) + 2);
strcpy(dir_path_newfile, dir_path);
strcat(dir_path_newfile, "/");
strcat(dir_path_newfile, newfile);
vfile = makevfilename(newfile, statbuf.st_size, dn);
dir_path_vfile = malloc(strlen(dir_path) + strlen(vfile) + 2);
strcpy(dir_path_vfile, dir_path);
strcat(dir_path_vfile, "/");
strcat(dir_path_vfile, vfile);
unlink(dir_path_newfile); /* just in case */
if ((link(dir_path_file, dir_path_vfile ) == 0) &&
(link(dir_path_file, dir_path_newfile) == 0) &&
(unlink(dir_path_file) == 0))
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s\n\n", dir_uri);
return;
}
puts("Status: 500 Failed trying to rename\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error renaming %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error renaming %s%s</h1>\n",
dir_uri, file);
GRSThttpPrintf(&bp, "<p align=center>GridSite considers you are authorized "
"to rename it, but the rename failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void newdirectory(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int len;
char *dir_path_file, *vfile, *dir_path_vfile, *filedup;
FILE *fp;
GRSThttpBody bp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if ((file[0] == '\0') ||
!GRSTgaclPermHasWrite(perm) || (strcmp(file, GRST_ACL_FILE) == 0))
GRSThttpError("403 Forbidden");
filedup = strdup(file);
if (filedup[strlen(filedup)-1] == '/') filedup[strlen(filedup)-1] = '\0';
if (index(filedup, '/') != NULL) GRSThttpError("403 Forbidden");
dir_path_file = malloc(strlen(dir_path) + strlen(file) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, file);
if (mkdir(dir_path_file, 0751) == 0)
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
return;
}
puts("Status: 500 Failed trying to create\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error create %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error creating directory %s%s</h1>\n",
dir_uri, file);
GRSThttpPrintf(&bp,
"<p align=center>GridSite considers you are authorized "
"to create the directory, but the creation failed. This "
"is probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"parent directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void editdnlistaction(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int numdn = 0, ifd, ofd, numdnlines = 0, i, found;
char *dir_path_file, *dir_path_tmpfile, *realfile,
*dnlistsuri, *server_name, *fulldiruri, *p, oneline[513],
**dnlines, name[81], *add;
FILE *ofp;
struct stat statbuf;
GRSThttpBody bp;
if( verifypasscode()==0 ){
outputformactionerror(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return;
}
if (!GRSTgaclPermHasWrite(perm)) GRSThttpError("403 Forbidden");
dnlistsuri = getenv("GRST_DN_LISTS_URI");
if (dnlistsuri == NULL) dnlistsuri = getenv("REDIRECT_GRST_DN_LISTS_URI");
server_name = getenv("SERVER_NAME");
if ((server_name == NULL) ||
(dnlistsuri == NULL) ||
(strncmp(dnlistsuri, dir_uri, strlen(dnlistsuri)) != 0))
GRSThttpError("403 Forbidden");
asprintf(&fulldiruri, "https://%s%s", server_name, dir_uri);
if ((strncmp(fulldiruri, file, strlen(fulldiruri)) != 0) &&
((strncmp(fulldiruri, file, strlen(fulldiruri) - 1) != 0) ||
(strlen(fulldiruri) - 1 != strlen(file))))
{
puts("Status: 403 Forbidden\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error writing %s</title>\n", file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error writing %s to %s</h1>\n",
file, dir_uri);
GRSThttpPrintf(&bp, "<p align=center>You cannot create a DN List "
"with that prefix in this directory. Please see the "
"the GridSite User's Guide for an explanation.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
return;
}
p = GRSThttpGetCGI("numdn");
if ((p == NULL) || (sscanf(p, "%d", &numdn) != 1))
GRSThttpError("500 No number of DNs");
if (numdn > 0)
{
dnlines = malloc(sizeof(char *) * numdn);
for (i=1; i <= numdn; ++i)
{
sprintf(name, "dn%d", i);
p = GRSThttpGetCGI(name);
if (*p != '\0')
{
dnlines[numdnlines] = p;
++numdnlines;
}
}
}
add = GRSThttpGetCGI("add");
realfile = GRSThttpUrlEncode(file);
dir_path_file = malloc(strlen(dir_path) + strlen(realfile) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, realfile);
dir_path_tmpfile = malloc(strlen(dir_path) + 13);
strcpy(dir_path_tmpfile, dir_path);
strcat(dir_path_tmpfile, "/.tmp.XXXXXX");
if (((ofd = mkstemp(dir_path_tmpfile)) != -1) &&
((ofp = fdopen(ofd, "w")) != NULL))
{
if (*add != '\0')
{
fputs(add, ofp);
fputc('\n', ofp);
}
for (i=0; i < numdnlines; ++i)
{
fputs(dnlines[i], ofp);
fputc('\n', ofp);
}
if ((fclose(ofp) == 0) &&
((stat(dir_path_file, &statbuf) != 0) ||
(unlink(dir_path_file) == 0)) &&
(rename(dir_path_tmpfile, dir_path_file) == 0))
{
printf("Status: 302 Moved Temporarily\nContent-Length: 0\n"
"Location: %s%s?cmd=managedir\n\n", dir_uri, admin_file);
return;
}
}
puts("Status: 500 Failed trying to write\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp,"<title>Error writing %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp, "<h1 align=center>Error writing %s%s</h1>\n",
dir_uri, file);
GRSThttpPrintf(&bp, "<p align=center>GridSite considers you are authorized "
"to write the file, but the write failed. This is "
"probably a web server or operating system level "
"misconfiguration. Consult the site administrator.");
GRSThttpPrintf(&bp,"<p align=center>"
"<a href=\"%s%s?cmd=managedir\">Return to "
"directory listing</a>\n", dir_uri, admin_file);
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
/* try to clean up */
if (stat(dir_path_tmpfile, &statbuf) == 0) unlink(dir_path_tmpfile);
}
void printfile(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int c;
char *dir_path_file;
FILE *fp;
struct stat statbuf;
if (!GRSTgaclPermHasRead(perm)) GRSThttpError("403 Forbidden");
if (file[0] == '\0') GRSThttpError("403 Forbidden");
dir_path_file = malloc(strlen(dir_path) + strlen(file) + 2);
strcpy(dir_path_file, dir_path);
strcat(dir_path_file, "/");
strcat(dir_path_file, file);
if ((stat(dir_path_file, &statbuf) != 0) ||
!S_ISREG(statbuf.st_mode)) GRSThttpError("403 Forbidden");
fp = fopen(dir_path_file, "r");
if (fp == NULL) GRSThttpError("500 Internal server error");
printf("Status: 200 OK\nContent-Type: text/html\nContent-Length: %lld\n\n",
(long long) statbuf.st_size);
while ((c = fgetc(fp)) != EOF) putchar(c);
fflush(stdout);
fclose(fp);
}
void filehistory(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *file, char *dir_uri, char *admin_file)
{
int fd, n, i, j, enclen, num = 0;
char *encodedfile, *p, *dndecoded, modified[99], *vfile, *q,
*encdn;
long long file_time;
time_t file_time_t;
long long file_size;
struct stat statbuf;
struct dirent **namelist;
struct tm file_tm;
GRSThttpBody bp;
if (!GRSTgaclPermHasRead(perm)) GRSThttpError("403 Forbidden");
if (file[0] == '\0') GRSThttpError("403 Forbidden");
puts("Status: 200 OK\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintf(&bp, "<title>History of %s%s</title>\n", dir_uri, file);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpPrintf(&bp,