296 lines
7.2 KiB
C
296 lines
7.2 KiB
C
/*
|
|
*
|
|
***** BEGIN LICENSE BLOCK *****
|
|
|
|
Copyright (C) 2009-2017 Olof Hagsand and Benny Holmgren
|
|
|
|
This file is part of CLIXON.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
Alternatively, the contents of this file may be used under the terms of
|
|
the GNU General Public License Version 3 or later (the "GPL"),
|
|
in which case the provisions of the GPL are applicable instead
|
|
of those above. If you wish to allow use of your version of this file only
|
|
under the terms of the GPL, and not to allow others to
|
|
use your version of this file under the terms of Apache License version 2,
|
|
indicate your decision by deleting the provisions above and replace them with
|
|
the notice and other provisions required by the GPL. If you do not delete
|
|
the provisions above, a recipient may use your version of this file under
|
|
the terms of any one of the Apache License version 2 or the GPL.
|
|
|
|
***** END LICENSE BLOCK *****
|
|
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <syslog.h>
|
|
#include <fcntl.h>
|
|
#include <ctype.h>
|
|
#include <time.h>
|
|
#include <fcgi_stdio.h>
|
|
#include <signal.h>
|
|
#include <dlfcn.h>
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/wait.h>
|
|
|
|
/* cligen */
|
|
#include <cligen/cligen.h>
|
|
|
|
/* clicon */
|
|
#include <clixon/clixon.h>
|
|
|
|
#include "restconf_lib.h"
|
|
|
|
|
|
/*!
|
|
*/
|
|
int
|
|
notfound(FCGX_Request *r)
|
|
{
|
|
char *path;
|
|
|
|
clicon_debug(1, "%s", __FUNCTION__);
|
|
path = FCGX_GetParam("DOCUMENT_URI", r->envp);
|
|
FCGX_FPrintF(r->out, "Status: 404\r\n"); /* 404 not found */
|
|
FCGX_FPrintF(r->out, "Content-Type: text/html\r\n\r\n");
|
|
FCGX_FPrintF(r->out, "<h1>Not Found</h1>\n");
|
|
FCGX_FPrintF(r->out, "The requested URL %s was not found on this server.\n",
|
|
path);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
badrequest(FCGX_Request *r)
|
|
{
|
|
char *path;
|
|
|
|
clicon_debug(1, "%s", __FUNCTION__);
|
|
path = FCGX_GetParam("DOCUMENT_URI", r->envp);
|
|
FCGX_FPrintF(r->out, "Status: 400\r\n"); /* 400 bad request */
|
|
FCGX_FPrintF(r->out, "Content-Type: text/html\r\n\r\n");
|
|
FCGX_FPrintF(r->out, "<h1>Clixon Bad request/h1>\n");
|
|
FCGX_FPrintF(r->out, "The requested URL %s or data is in some way badly formed.\n",
|
|
path);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
conflict(FCGX_Request *r)
|
|
{
|
|
clicon_debug(1, "%s", __FUNCTION__);
|
|
FCGX_FPrintF(r->out, "Status: 409\r\n"); /* 409 Conflict */
|
|
FCGX_FPrintF(r->out, "Content-Type: text/html\r\n\r\n");
|
|
FCGX_FPrintF(r->out, "<h1>Data resource already exists</h1>\n");
|
|
return 0;
|
|
}
|
|
|
|
/*! Specialization of clicon_debug with xml tree */
|
|
int
|
|
clicon_debug_xml(int dbglevel,
|
|
char *str,
|
|
cxobj *x)
|
|
{
|
|
int retval = -1;
|
|
cbuf *cb;
|
|
|
|
if ((cb = cbuf_new()) == NULL)
|
|
goto done;
|
|
if (clicon_xml2cbuf(cb, x, 0, 0) < 0)
|
|
goto done;
|
|
clicon_debug(1, "%s %s", str, cbuf_get(cb));
|
|
retval = 0;
|
|
done:
|
|
if (cb!=NULL)
|
|
cbuf_free(cb);
|
|
return retval;
|
|
}
|
|
|
|
/*!
|
|
* @param[in] r Fastcgi request handle
|
|
*/
|
|
static int
|
|
printparam(FCGX_Request *r,
|
|
char *e,
|
|
int dbgp)
|
|
{
|
|
char *p = FCGX_GetParam(e, r->envp);
|
|
|
|
if (dbgp)
|
|
clicon_debug(1, "%s = '%s'", e, p?p:"");
|
|
else
|
|
FCGX_FPrintF(r->out, "%s = '%s'\n", e, p?p:"");
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* @param[in] r Fastcgi request handle
|
|
*/
|
|
int
|
|
test(FCGX_Request *r,
|
|
int dbg)
|
|
{
|
|
printparam(r, "QUERY_STRING", dbg);
|
|
printparam(r, "REQUEST_METHOD", dbg);
|
|
printparam(r, "CONTENT_TYPE", dbg);
|
|
printparam(r, "CONTENT_LENGTH", dbg);
|
|
printparam(r, "SCRIPT_FILENAME", dbg);
|
|
printparam(r, "SCRIPT_NAME", dbg);
|
|
printparam(r, "REQUEST_URI", dbg);
|
|
printparam(r, "DOCUMENT_URI", dbg);
|
|
printparam(r, "DOCUMENT_ROOT", dbg);
|
|
printparam(r, "SERVER_PROTOCOL", dbg);
|
|
printparam(r, "GATEWAY_INTERFACE", dbg);
|
|
printparam(r, "SERVER_SOFTWARE", dbg);
|
|
printparam(r, "REMOTE_ADDR", dbg);
|
|
printparam(r, "REMOTE_PORT", dbg);
|
|
printparam(r, "SERVER_ADDR", dbg);
|
|
printparam(r, "SERVER_PORT", dbg);
|
|
printparam(r, "SERVER_NAME", dbg);
|
|
printparam(r, "HTTP_COOKIE", dbg);
|
|
printparam(r, "HTTPS", dbg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* @param[in] r Fastcgi request handle
|
|
*/
|
|
cbuf *
|
|
readdata(FCGX_Request *r)
|
|
{
|
|
int c;
|
|
cbuf *cb;
|
|
|
|
if ((cb = cbuf_new()) == NULL)
|
|
return NULL;
|
|
while ((c = FCGX_GetChar(r->in)) != -1)
|
|
cprintf(cb, "%c", c);
|
|
return cb;
|
|
}
|
|
|
|
typedef int (credentials_t)(clicon_handle h, FCGX_Request *r);
|
|
|
|
static int nplugins = 0;
|
|
static plghndl_t *plugins = NULL;
|
|
static credentials_t *p_credentials = NULL; /* Credentials callback */
|
|
|
|
/*! Load all plugins you can find in CLICON_RESTCONF_DIR
|
|
*/
|
|
int
|
|
restconf_plugin_load(clicon_handle h)
|
|
{
|
|
int retval = -1;
|
|
char *dir;
|
|
int ndp;
|
|
struct dirent *dp = NULL;
|
|
int i;
|
|
plghndl_t *handle;
|
|
char filename[MAXPATHLEN];
|
|
|
|
if ((dir = clicon_restconf_dir(h)) == NULL){
|
|
clicon_err(OE_PLUGIN, 0, "clicon_restconf_dir not defined");
|
|
goto quit;
|
|
}
|
|
/* Get plugin objects names from plugin directory */
|
|
if((ndp = clicon_file_dirent(dir, &dp, "(.so)$", S_IFREG))<0)
|
|
goto quit;
|
|
|
|
/* Load all plugins */
|
|
for (i = 0; i < ndp; i++) {
|
|
snprintf(filename, MAXPATHLEN-1, "%s/%s", dir, dp[i].d_name);
|
|
clicon_debug(1, "DEBUG: Loading plugin '%.*s' ...",
|
|
(int)strlen(filename), filename);
|
|
if ((handle = plugin_load(h, filename, RTLD_NOW)) == NULL)
|
|
goto quit;
|
|
p_credentials = dlsym(handle, "restconf_credentials");
|
|
if ((plugins = realloc(plugins, (nplugins+1) * sizeof (*plugins))) == NULL) {
|
|
clicon_err(OE_UNIX, errno, "realloc");
|
|
goto quit;
|
|
}
|
|
plugins[nplugins++] = handle;
|
|
}
|
|
retval = 0;
|
|
quit:
|
|
if (dp)
|
|
free(dp);
|
|
return retval;
|
|
}
|
|
|
|
|
|
/*! Unload all restconf plugins */
|
|
int
|
|
restconf_plugin_unload(clicon_handle h)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nplugins; i++)
|
|
plugin_unload(h, plugins[i]);
|
|
if (plugins){
|
|
free(plugins);
|
|
plugins = NULL;
|
|
}
|
|
nplugins = 0;
|
|
return 0;
|
|
}
|
|
|
|
/*! Call plugin_start in all plugins
|
|
*/
|
|
int
|
|
restconf_plugin_start(clicon_handle h,
|
|
int argc,
|
|
char **argv)
|
|
{
|
|
int i;
|
|
plgstart_t *startfn;
|
|
|
|
for (i = 0; i < nplugins; i++) {
|
|
/* Call exit function is it exists */
|
|
if ((startfn = dlsym(plugins[i], PLUGIN_START)) == NULL)
|
|
break;
|
|
optind = 0;
|
|
if (startfn(h, argc, argv) < 0) {
|
|
clicon_debug(1, "plugin_start() failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
plugin_credentials(clicon_handle h,
|
|
FCGX_Request *r,
|
|
int *auth)
|
|
{
|
|
int retval = -1;
|
|
|
|
clicon_debug(1, "%s", __FUNCTION__);
|
|
/* If no authentication callback then allow anything. Is this OK? */
|
|
if (p_credentials == 0){
|
|
*auth = 1;
|
|
retval = 0;
|
|
goto done;
|
|
}
|
|
if (p_credentials(h, r) < 0)
|
|
*auth = 0;
|
|
else
|
|
*auth = 1;
|
|
retval = 0;
|
|
done:
|
|
return retval;
|
|
}
|