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grst_admin_main.c
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/*
Andrew McNab and Shiv Kaushal, University of Manchester.
Copyright (c) 2002-5. 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"
/*
GridSite human/interactive management interface. This should produce
a CGI executable, usually ./sbin/real-gridsite-admin.cgi, which is
called from HTML forms either by GET or POST methods or both (ie input
present in both QUERY_STRING and the stdin of the CGI process.)
The CGI name/value pairs used are:
cmd = edit, managedir, print, history
file = short name of file, without path
If real-gridsite-admin.cgi is run by an internal redirection inside
mod_gridsite (as should ALWAYS be the case) then the environment
variable REDIRECT_GRST_DIR_PATH will be set to the full path of
the directory holding the file in question. This respects any complex
URI -> file path mapping done by Apache.
*/
void GRSThttpError(char *status)
{
printf("Status: %s\n", status);
printf("Server-CGI: GridSite Admin %s\n", VERSION);
printf("Content-Length: %zd\n", 2 * strlen(status) + 58);
puts("Content-Type: text/html\n");
printf("<head><title>%s</title></head>\n", status);
printf("<body><h1 >%s</h1 ></body>\n", status);
exit(0);
}
void adminfooter(GRSThttpBody *bp, char *dn, char *help_uri, char *dir_uri,
char *admin_file)
{
GRSThttpPrintf(bp, "<p><small>\n");
if (dn != NULL) GRSThttpPrintf(bp, "<hr>You are %s<br>\n", dn);
else GRSThttpPrintf(bp, "<hr>\n");
if (admin_file != NULL)
GRSThttpPrintf(bp, "<a href=\"%s%s?cmd=managedir\">"
"Manage directory</a> .\n",
dir_uri, admin_file);
else GRSThttpPrintf(bp, "<a href=\"%s\">"
"Back to directory</a> .\n", dir_uri);
if (help_uri != NULL)
GRSThttpPrintf(bp, "<a href=\"%s\">Website Help</a> .\n", help_uri);
if ((getenv("GRST_NO_LINK") == NULL) &&
(getenv("REDIRECT_GRST_NO_LINK") == NULL))
GRSThttpPrintf(bp, "Built with "
"<a href=\"http://www.gridsite.org/\">GridSite</a> %s\n",
VERSION);
GRSThttpPrintf(bp, "</small>\n");
}
int GRSTstrCmpShort(char *long_s, char *short_s)
{
while (*short_s != '\0')
{
if (*long_s > *short_s) return +1;
if (*long_s < *short_s) return -1;
++long_s;
++short_s;
}
return 0;
}
char *makevfilename(char *publicname, off_t size, char *dn)
{
int i;
char *ext, *vfilename, *encpublicname, *encdn, *p;
struct timeval tv_now;
gettimeofday(&tv_now, NULL);
ext = rindex(publicname, '.');
if (ext == NULL) ext = "";
encpublicname = GRSThttpUrlEncode(publicname);
for (p=encpublicname; *p != '\0'; ++p) if (*p == '%') *p = '=';
encdn = GRSThttpUrlEncode(dn);
for (p=encdn; *p != '\0'; ++p) if (*p == '%') *p = '=';
/* we used zero-padding for times so
alphanumeric sorting will sort chronologically too */
asprintf(&vfilename, "%s:%s:%08llX:%05X:%llX:%s:%s", GRST_HIST_PREFIX,
encpublicname, (long long) tv_now.tv_sec, (int) tv_now.tv_usec, (long long) size, encdn, ext);
return vfilename;
}
void justheader(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *dir_uri, char *admin_file)
{
GRSThttpBody bp;
puts("Status: 200 OK\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
GRSThttpPrintHeader(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
void justfooter(char *dn, GRSTgaclPerm perm, char *help_uri, char *dir_path,
char *dir_uri, char *admin_file)
{
GRSThttpBody bp;
puts("Status: 200 OK\nContent-Type: text/html");
GRSThttpBodyInit(&bp);
if (GRSTgaclPermHasList(perm) || GRSTgaclPermHasWrite(perm)
|| GRSTgaclPermHasAdmin(perm))
adminfooter(&bp, dn, help_uri, dir_uri, admin_file);
GRSThttpPrintFooter(&bp, dir_path);
GRSThttpWriteOut(&bp);
}
int main()
{
int i, gsiproxylimit_i = 1, delegation = 0;
char *cmd, *dir_uri, *file, *dir_path, *admin_file, *dn = NULL,
*help_uri, *p, *content_type, *request_uri, *button,
*grst_auri_i, *grst_valid_i, *gsiproxylimit, buf[12];
GRSTgaclCred *cred;
GRSTgaclUser *user = NULL;
GRSTgaclAcl *acl;
GRSTgaclPerm perm = GRST_PERM_NONE;
help_uri = getenv("REDIRECT_GRST_HELP_URI"); /* can be NULL */
admin_file = getenv("REDIRECT_GRST_ADMIN_FILE");
dir_path = getenv("REDIRECT_GRST_DIR_PATH");
request_uri = getenv("REQUEST_URI");
if ((dir_path == NULL) || (admin_file == NULL) || (request_uri == NULL))
{
puts("Status: 500 Internal Server Error\nContent-type: text/plain\n\n"
"REDIRECT_GRST_DIR_PATH or REDIRECT_GRST_ADMIN_FILE "
"or REQUEST_URI missing");
return -1;
}
GRSTgaclInit();
gsiproxylimit = getenv("REDIRECT_GRST_GSIPROXY_LIMIT");
if (gsiproxylimit != NULL) sscanf(gsiproxylimit, "%d", &gsiproxylimit_i);
grst_auri_i = getenv("GRST_CRED_AURI_0");
grst_valid_i = getenv("GRST_CRED_VALID_0");
if ((grst_auri_i != NULL) && (strncmp(grst_auri_i, "dn:", 3) == 0))
{
dn = &grst_auri_i[3];
sscanf(grst_valid_i,
"notbefore=%*d notafter=%*d delegation=%d nist-loa=%*d",
&delegation);
if (delegation <= gsiproxylimit_i)
{
cred = GRSTgaclCredCreate(grst_auri_i, NULL);
user = GRSTgaclUserNew(cred);
/* User has a cert so check for VOMS attributes etc */
for (i=1; ; i++)
{
sprintf (buf, "GRST_CRED_%d", i);
grst_auri_i = getenv(buf);
if (grst_auri_i == NULL) break;
cred = GRSTgaclCredCreate(grst_auri_i, NULL);
GRSTgaclUserAddCred(user, cred);
}
/* no more VOMS attributes etc found */
}
}
else if ((dn = getenv("SSL_CLIENT_S_DN")) != NULL)
{
cred = GRSTgaclCredCreate("dn:", GRSThttpUrlMildencode(dn));
user = GRSTgaclUserNew(cred);
}
if (GRSTgaclUserHasAURI(user, getenv("REDIRECT_GRST_ADMIN_LIST")))
perm = GRST_PERM_ALL;
else
{
p = getenv("REMOTE_HOST");
if (p != NULL)
{
cred = GRSTgaclCredCreate("dns:", p);
if (user == NULL) user = GRSTgaclUserNew(cred);
else GRSTgaclUserAddCred(user, cred);
}
acl = GRSTgaclAclLoadforFile(dir_path);
if (acl != NULL) perm = GRSTgaclAclTestUser(acl, user);
}
/* we're relying on being a CGI with all this un-free()ed strdup()ing */
dir_uri = strdup(request_uri);
p = rindex(dir_uri, '?');
if (p != NULL) *p = '\0';
p = rindex(dir_uri, '/');
if (p != NULL) p[1] = '\0';
content_type = getenv("CONTENT_TYPE");
if ((content_type != NULL) &&
(GRSTstrCmpShort(content_type, "multipart/form-data; boundary=") == 0))
{
uploadfile(dn, perm, help_uri, dir_path, dir_uri, admin_file);
return 0;
}
cmd = GRSThttpGetCGI("cmd");
button = GRSThttpGetCGI("button");
file = GRSThttpGetCGI("file");
if ((index(file, '/') != NULL) ||
(index(file, '<') != NULL) ||
(index(file, '>') != NULL) ||
(index(file, '&') != NULL) ||
(index(file, '"') != NULL)) file[0] = '\0';
/* file and directory functions in grst_admin_file.c */
if (strcmp(cmd, "header") == 0)
justheader(dn, perm, help_uri, dir_path, dir_uri, admin_file);
else if (strcmp(cmd, "footer") == 0)
justfooter(dn, perm, help_uri, dir_path, dir_uri, admin_file);
else if (strcmp(cmd, "managedir") == 0)
managedir(dn, perm, help_uri, dir_path, dir_uri, admin_file);
else if (strcmp(cmd, "print") == 0)
printfile(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "history") == 0)
filehistory(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "managednlists") == 0)
managednlists(user, dn, perm, help_uri, dir_path, dir_uri, admin_file);
else if (strcmp(cmd, "editdnlist") == 0)
editdnlistform(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "edit") == 0)
{
if ((strcasecmp(button, "new directory") == 0) ||
(strcasecmp(button, "Create") == 0))
newdirectory(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else
editfileform(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
}
else if (strcmp(cmd, "editaction") == 0)
editfileaction(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "editdnlistaction") == 0)
editdnlistaction(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "delete") == 0)
deletefileform(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "deleteaction") == 0)
deletefileaction(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "rename") == 0)
renameform(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "renameaction") == 0)
renameaction(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "ziplist") == 0)
ziplist(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "unzipfile") == 0)
unzipfile(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "create_acl") == 0)
create_acl(dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
/* GACL functions in grst_admin_gacl.c */
else if (strcmp(cmd, "show_acl") == 0)
show_acl(0, user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "admin_acl") == 0)
show_acl(1, user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "acl_history") == 0)
show_acl(2, user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd, "revert_acl") == 0)
revert_acl(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
//show_acl(2, user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"new_entry_form")==0)
new_entry_form(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"new_entry")==0)
new_entry(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"del_entry_sure")==0)
del_entry_sure(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"del_entry")==0)
del_entry(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"edit_entry_form")==0)
edit_entry_form(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"edit_entry")==0)
edit_entry(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"add_cred_form")==0)
add_cred_form(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"add_cred")==0)
add_cred(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"del_cred_sure")==0)
del_cred_sure(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
else if (strcmp(cmd,"del_cred")==0)
del_cred(user, dn, perm, help_uri, dir_path, file, dir_uri, admin_file);
/* you what? */
else GRSThttpError("500 Internal Server Error");
}