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webhttpd.c
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/*
* webhttpd.c
*
* HTTP Control interface for motion.
*
* Specs : http://www.lavrsen.dk/twiki/bin/view/Motion/MotionHttpAPI
*
* Copyright 2004-2005 by Angel Carpintero ([email protected])
* This software is distributed under the GNU Public License Version 2
* See also the file 'COPYING'.
*
*/
#include "webhttpd.h" /* already includes motion.h */
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stddef.h>
#include <ctype.h>
/* Timeout in seconds, used for read and write */
const int NONBLOCK_TIMEOUT = 1;
pthread_mutex_t httpd_mutex;
// This is a dummy variable use to kill warnings when not checking sscanf and similar functions
int warningkill;
static const char *ini_template =
"<!DOCTYPE html>\n"
"<html>\n"
"<head><title>Motion "VERSION"</title></head>\n"
"<body>\n";
static const char *set_template =
"<!DOCTYPE html>\n"
"<html>\n"
"<head>\n"
"<title>Motion "VERSION"</title>\n"
"<script language='javascript'>"
"function show() {top.location.href="
"'set?'+document.n.onames.options[document.n.onames.selectedIndex].value"
"+'='+document.s.valor.value;"
"}</script>\n"
"</head>\n"
"<body>\n";
static const char *end_template =
"</body>\n"
"</html>\n";
static const char *ok_response =
"HTTP/1.1 200 OK\r\n"
"Server: Motion-httpd/"VERSION"\r\n"
"Connection: close\r\n"
"Max-Age: 0\r\n"
"Expires: 0\r\n"
"Cache-Control: no-cache\r\n"
"Cache-Control: private\r\n"
"Pragma: no-cache\r\n"
"Content-type: text/html\r\n\r\n";
static const char *ok_response_raw =
"HTTP/1.1 200 OK\r\n"
"Server: Motion-httpd/"VERSION"\r\n"
"Connection: close\r\n"
"Max-Age: 0\r\n"
"Expires: 0\r\n"
"Cache-Control: no-cache\r\n"
"Cache-Control: private\r\n"
"Pragma: no-cache\r\n"
"Content-type: text/plain\r\n\r\n";
static const char *bad_request_response =
"HTTP/1.0 400 Bad Request\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Bad Request</h1>\n"
"<p>The server did not understand your request.</p>\n"
"</body>\n"
"</html>\n";
static const char *bad_request_response_raw =
"HTTP/1.0 400 Bad Request\r\n"
"Content-type: text/plain\r\n\r\n"
"Bad Request";
static const char *not_found_response_template =
"HTTP/1.0 404 Not Found\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Not Found</h1>\n"
"<p>The requested URL was not found on the server.</p>\n"
"</body>\n"
"</html>\n";
static const char *not_found_response_template_raw =
"HTTP/1.0 404 Not Found\r\n"
"Content-type: text/plain\r\n\r\n"
"Not Found";
static const char *not_found_response_valid =
"HTTP/1.0 404 Not Valid\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Not Valid</h1>\n"
"<p>The requested URL is not valid.</p>\n"
"</body>\n"
"</html>\n";
static const char *not_found_response_valid_raw =
"HTTP/1.0 404 Not Valid\r\n"
"Content-type: text/plain\r\n\r\n"
"The requested URL is not valid.";
static const char *not_valid_syntax =
"HTTP/1.0 404 Not Valid Syntax\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Not Valid Syntax</h1>\n"
"</body>\n"
"</html>\n";
static const char *not_valid_syntax_raw =
"HTTP/1.0 404 Not Valid Syntax\r\n"
"Content-type: text/plain\r\n\r\n"
"Not Valid Syntax\n";
static const char *not_track =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Tracking Not Enabled</h1>\n";
static const char *not_track_raw =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/plain\r\n\r\n"
"Tracking Not Enabled";
static const char *track_error =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Track Error</h1>\n";
static const char *track_error_raw =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/plain\r\n\r\n"
"Track Error";
static const char *error_value =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Value Error</h1>\n";
static const char *error_value_raw =
"HTTP/1.0 200 OK\r\n"
"Content-type: text/plain\r\n\r\n"
"Value Error";
static const char *not_found_response_valid_command =
"HTTP/1.0 404 Not Valid Command\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Not Valid Command</h1>\n"
"<p>The requested URL is not valid Command.</p>\n"
"</body>\n"
"</html>\n";
static const char *not_found_response_valid_command_raw =
"HTTP/1.0 404 Not Valid Command\r\n"
"Content-type: text/plain\n\n"
"Not Valid Command\n";
static const char *bad_method_response_template =
"HTTP/1.0 501 Method Not Implemented\r\n"
"Content-type: text/html\r\n\r\n"
"<!DOCTYPE html>\n"
"<html>\n"
"<body>\n"
"<h1>Method Not Implemented</h1>\n"
"<p>The method is not implemented by this server.</p>\n"
"</body>\n"
"</html>\n";
static const char *bad_method_response_template_raw =
"HTTP/1.0 501 Method Not Implemented\r\n"
"Content-type: text/plain\r\n\r\n"
"Method Not Implemented\n";
static const char *request_auth_response_template=
"HTTP/1.0 401 Authorization Required\r\n"
"WWW-Authenticate: Basic realm=\"Motion Security Access\"\r\n";
/**
* write_nonblock
*/
static ssize_t write_nonblock(int fd, const void *buf, size_t size)
{
ssize_t nwrite = -1;
struct timeval tm;
fd_set fds;
tm.tv_sec = NONBLOCK_TIMEOUT;
tm.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(fd, &fds);
if (select(fd + 1, NULL, &fds, NULL, &tm) > 0) {
if (FD_ISSET(fd, &fds)) {
if ((nwrite = write(fd , buf, size)) < 0) {
if (errno != EWOULDBLOCK)
return -1;
}
}
}
return nwrite;
}
/**
* read_nonblock
*/
static ssize_t read_nonblock(int fd ,void *buf, ssize_t size)
{
ssize_t nread = -1;
struct timeval tm;
fd_set fds;
tm.tv_sec = NONBLOCK_TIMEOUT; /* Timeout in seconds */
tm.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(fd, &fds);
if (select(fd + 1, &fds, NULL, NULL, &tm) > 0) {
if (FD_ISSET(fd, &fds)) {
if ((nread = read(fd , buf, size)) < 0) {
if (errno != EWOULDBLOCK)
return -1;
}
}
}
return nread;
}
/**
* send_template_ini_client
*/
static void send_template_ini_client(int client_socket, const char *template)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, ok_response, strlen(ok_response));
nwrite += write_nonblock(client_socket, template, strlen(template));
if (nwrite != (ssize_t)(strlen(ok_response) + strlen(template)))
MOTION_LOG(ERR, TYPE_STREAM, SHOW_ERRNO, "%s: failure write");
}
/**
* send_template_ini_client_raw
*/
static void send_template_ini_client_raw(int client_socket)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, ok_response_raw, strlen(ok_response_raw));
if (nwrite != (ssize_t)strlen(ok_response_raw))
MOTION_LOG(ERR, TYPE_STREAM, SHOW_ERRNO, "%s: failure write");
}
/**
* send_template
*/
static void send_template(int client_socket, char *res)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, res, strlen(res));
if (nwrite != (ssize_t)strlen(res))
MOTION_LOG(ERR, TYPE_STREAM, SHOW_ERRNO, "%s: failure write");
}
/**
* send_template_raw
*/
static void send_template_raw(int client_socket, char *res)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, res, strlen(res));
if (nwrite < 0)
MOTION_LOG(DBG, TYPE_STREAM, SHOW_ERRNO, "%s: write_nonblock returned value less than zero.");
}
/**
* send_template_end_client
*/
static void send_template_end_client(int client_socket)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, end_template, strlen(end_template));
if (nwrite < 0)
MOTION_LOG(DBG, TYPE_STREAM, SHOW_ERRNO, "%s: write_nonblock returned value less than zero.");
}
/**
* response_client
*/
static void response_client(int client_socket, const char *template, char *back)
{
ssize_t nwrite = 0;
nwrite = write_nonblock(client_socket, template, strlen(template));
if (back != NULL) {
send_template(client_socket, back);
send_template_end_client(client_socket);
}
if (nwrite < 0)
MOTION_LOG(DBG, TYPE_STREAM, SHOW_ERRNO, "%s: write_nonblock returned value less than zero.");
}
/**
* replace
*/
static char *replace(const char *str, const char *old, const char *new)
{
char *ret, *r;
const char *p, *q;
size_t oldlen = strlen(old);
size_t count, retlen, newlen = strlen(new);
if (oldlen != newlen) {
for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen)
count++;
/* this is undefined if p - str > PTRDIFF_MAX */
retlen = p - str + strlen(p) + count * (newlen - oldlen);
} else
retlen = strlen(str);
ret = mymalloc(retlen + 1);
for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
/* this is undefined if q - p > PTRDIFF_MAX */
ptrdiff_t l = q - p;
memcpy(r, p, l);
r += l;
memcpy(r, new, newlen);
r += newlen;
}
strcpy(r, p);
return ret;
}
/**
* url_decode
* This function decode the values from GET request following the http RFC.
*
* Returns nothing.
*/
static void url_decode(char *urlencoded, size_t length)
{
char *data = urlencoded;
char *urldecoded = urlencoded;
while (length > 0) {
if (*data == '%') {
char c[3];
int i;
data++;
length--;
c[0] = *data++;
length--;
c[1] = *data;
c[2] = 0;
warningkill = sscanf(c, "%x", &i);
if (i < 128) {
*urldecoded++ = (char)i;
} else {
*urldecoded++ = '%';
*urldecoded++ = c[0];
*urldecoded++ = c[1];
}
} else if (*data == '<' || *data == '+' || *data == '>') {
*urldecoded++ = ' ';
} else {
*urldecoded++ = *data;
}
data++;
length--;
}
*urldecoded = '\0';
}
/**
* config
* Manages/parses the config action for motion ( set , get , write , list ).
*
* Returns 1 to exit from function.
*/
static unsigned int config(char *pointer, char *res, unsigned int length_uri,
unsigned int thread, int client_socket, void *userdata)
{
char question='\0';
char command[256] = {'\0'};
unsigned int i;
struct context **cnt = userdata;
warningkill = sscanf(pointer, "%255[a-z]%c", command , &question);
if (!strcmp(command, "list")) {
pointer = pointer + 4;
length_uri = length_uri - 4;
if (length_uri == 0) {
const char *value = NULL;
char *retval = NULL;
/*call list*/
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/config><– back</a><br><br>\n<b>Camera %d%s%s</b>\n<ul>",
thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "");
send_template(client_socket, res);
for (i=0; config_params[i].param_name != NULL; i++) {
if ((thread != 0) && (config_params[i].main_thread))
continue;
value = config_params[i].print(cnt, NULL, i, thread);
if (value == NULL) {
retval = NULL;
/* Only get the thread value for main thread */
if (thread == 0)
config_params[i].print(cnt, &retval, i, thread);
/* thread value*/
if (retval) {
if (!strcmp(retval,"")) {
free(retval);
retval = mystrdup("No threads");
} else {
char *temp = retval;
size_t retval_miss = 0;
size_t retval_len = strlen(retval);
unsigned int ind = 0;
char thread_strings[1024] = {'\0'};
while (retval_miss != retval_len) {
while (*temp != '\n') {
thread_strings[ind++] = *temp;
retval_miss++;
temp++;
}
temp++;
thread_strings[ind++] = '<';
thread_strings[ind++] = 'b';
thread_strings[ind++] = 'r';
thread_strings[ind++] = '>';
retval_miss++;
}
free(retval);
retval = NULL;
retval = mystrdup(thread_strings);
}
sprintf(res, "<li><a href=/%u/config/set?%s>%s</a> = %s</li>\n", thread,
config_params[i].param_name, config_params[i].param_name, retval);
free(retval);
} else if (thread != 0) {
/* get the value from main thread for the rest of threads */
value = config_params[i].print(cnt, NULL, i, 0);
sprintf(res, "<li><a href=/%u/config/set?%s>%s</a> = %s</li>\n", thread,
config_params[i].param_name, config_params[i].param_name,
value ? value : "(not defined)");
} else {
sprintf(res, "<li><a href=/%u/config/set?%s>%s</a> = %s</li>\n", thread,
config_params[i].param_name, config_params[i].param_name,
"(not defined)");
}
} else {
sprintf(res, "<li><a href=/%u/config/set?%s>%s</a> = %s</li>\n", thread,
config_params[i].param_name, config_params[i].param_name, value);
}
send_template(client_socket, res);
}
sprintf(res, "</ul><a href=/%u/config><– back</a>", thread);
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
for (i=0; config_params[i].param_name != NULL; i++) {
value = config_params[i].print(cnt, NULL, i, thread);
if (value == NULL)
value = config_params[i].print(cnt, NULL, i, 0);
sprintf(res, "%s = %s\n", config_params[i].param_name, value);
send_template_raw(client_socket, res);
}
}
} else {
/*error*/
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else if (!strcmp(command, "set")) {
/* set?param_name=value */
pointer = pointer + 3;
length_uri = length_uri - 3;
if ((length_uri != 0) && (question == '?')) {
pointer++;
length_uri--;
warningkill = sscanf(pointer,"%255[-0-9a-z_]%c", command, &question);
/*check command , question == '=' length_uri too*/
if ((question == '=') && (command[0] != '\0')) {
length_uri = length_uri - strlen(command) - 1;
pointer = pointer + strlen(command) + 1;
/* check if command exists and type of command and not end of URI */
i=0;
while (config_params[i].param_name != NULL) {
if ((thread != 0) && (config_params[i].main_thread)) {
i++;
continue;
}
if (!strcasecmp(command, config_params[i].param_name))
break;
i++;
}
if (config_params[i].param_name) {
if (length_uri > 0) {
char Value[1024] = {'\0'};
warningkill = sscanf(pointer,"%1023s", Value);
length_uri = length_uri - strlen(Value);
if ((length_uri == 0) && (strlen(Value) > 0)) {
/* FIXME need to assure that is a valid value */
url_decode(Value, strlen(Value));
conf_cmdparse(cnt + thread, config_params[i].param_name, Value);
if (cnt[0]->conf.webcontrol_html_output) {
sprintf(res,
"<a href=/%u/config/list><– back</a>"
"<br><br>\n<b>Camera %d%s%s</b>\n"
"<ul><li><a href=/%u/config/set?%s>%s</a> = %s"
"</li></ul><b>Done</b>",
thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "",
thread, config_params[i].param_name,
config_params[i].param_name, Value);
send_template_ini_client(client_socket, ini_template);
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "%s = %s\nDone\n", config_params[i].param_name, Value);
send_template_raw(client_socket, res);
}
} else {
/*error*/
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_valid_syntax, NULL);
else
response_client(client_socket, not_valid_syntax_raw, NULL);
}
} else {
char *type = NULL;
type = mystrdup(config_type(&config_params[i]));
if (!strcmp(type, "string")) {
char *value = NULL;
conf_cmdparse(cnt+thread, config_params[i].param_name, value);
free(type);
type = mystrdup("(null)");
} else if (!strcmp(type, "int")) {
free(type);
type = mystrdup("0");
conf_cmdparse(cnt+thread, config_params[i].param_name, type);
} else if (!strcmp(type, "bool")) {
free(type);
type = mystrdup("off");
conf_cmdparse(cnt+thread, config_params[i].param_name, type);
} else {
free(type);
type = mystrdup("unknown");
}
if (cnt[0]->conf.webcontrol_html_output) {
sprintf(res,
"<a href=/%u/config/list><– back</a><br><br>\n"
"<b>Camera %d%s%s</b>\n<ul><li><a href=/%u/config/set?%s>%s</a>"
"= %s</li></ul><br><b>Done</b>", thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "",
thread,
config_params[i].param_name, config_params[i].param_name, type);
send_template_ini_client(client_socket, ini_template);
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "%s = %s\nDone\n", config_params[i].param_name, type);
send_template_raw(client_socket, res);
}
free(type);
}
} else {
/*error*/
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else {
/* Show param_name dialogue only for html output */
if ((cnt[0]->conf.webcontrol_html_output) && (command[0] != '\0') &&
(((length_uri = length_uri - strlen(command)) == 0))) {
i=0;
while (config_params[i].param_name != NULL) {
if ((thread != 0) && (config_params[i].main_thread)) {
i++;
continue;
}
if (!strcasecmp(command, config_params[i].param_name))
break;
i++;
}
/* param_name exists */
if (config_params[i].param_name) {
const char *value = NULL;
char *text_help = NULL;
char *sharp = NULL;
value = config_params[i].print(cnt, NULL, i, thread);
sharp = strstr(config_params[i].param_help, "#\n\n#");
if (sharp == NULL)
sharp = strstr(config_params[i].param_help, "#");
sharp++;
text_help = replace(sharp, "\n#", "<br>");
send_template_ini_client(client_socket, ini_template);
if (!strcmp ("bool", config_type(&config_params[i]))) {
char option[80] = {'\0'};
if ((value == NULL) && (thread != 0))
value = config_params[i].print(cnt, NULL, i, 0);
if (!strcmp ("on", value))
sprintf(option, "<option value='on' selected>on</option>\n"
"<option value='off'>off</option>\n");
else
sprintf(option, "<option value='on'>on</option>\n"
"<option value='off' selected>off</option>\n");
sprintf(res, "<a href=/%u/config/list><– back</a><br><br>\n"
"<b>Camera %d%s%s</b>\n"
"<form action=set?>\n"
"<b>%s</b> <select name='%s'>\n"
"%s"
"</select><input type='submit' value='set'>\n"
" "
"<a href='%s#%s' target=_blank>[help]</a>"
"</form>\n<hr><i>%s</i>", thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "",
config_params[i].param_name, config_params[i].param_name,
option, TWIKI_URL, config_params[i].param_name, text_help);
} else {
if (value == NULL) {
if (thread != 0)
/* get the value from main thread for the rest of threads */
value = config_params[i].print(cnt, NULL, i, 0);
if (value == NULL) value = "";
}
sprintf(res, "<a href=/%u/config/list><– back</a><br><br>\n"
"<b>Camera %d%s%s</b>\n<form action=set?>\n"
"<b>%s</b> <input type=text name='%s' value='%s' size=80>\n"
"<input type='submit' value='set'>\n"
" "
"<a href='%s#%s' target=_blank>[help]</a>"
"</form>\n<hr><i>%s</i>", thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "",
config_params[i].param_name, config_params[i].param_name,
value, TWIKI_URL, config_params[i].param_name, text_help);
}
send_template(client_socket, res);
send_template_end_client(client_socket);
free(text_help);
} else {
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else {
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
}
} else if (length_uri == 0) {
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, set_template);
sprintf(res, "<a href=/%u/config><– back</a><br><br>\n<b>Camera %d%s%s</b>\n"
"<form name='n'>\n<select name='onames'>\n", thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "");
send_template(client_socket, res);
for (i=0; config_params[i].param_name != NULL; i++) {
if ((thread != 0) && (config_params[i].main_thread))
continue;
sprintf(res, "<option value='%s'>%s</option>\n",
config_params[i].param_name, config_params[i].param_name);
send_template(client_socket, res);
}
sprintf(res, "</select>\n</form>\n"
"<form action=set name='s'"
"ONSUBMIT='if (!this.submitted) return false; else return true;'>\n"
"<input type=text name='valor' value=''>\n"
"<input type='button' value='set' onclick='javascript:show()'>\n"
"</form>\n");
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "set needs param_name=value\n");
send_template_raw(client_socket, res);
}
} else {
/*error*/
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else if (!strcmp(command, "get")) {
/* get?query=param_name */
pointer = pointer + 3;
length_uri = length_uri - 3;
if ((length_uri > 7) && (question == '?')) {
/* 8 -> query=param_name FIXME minimum length param_name */
pointer++;
length_uri--;
warningkill = sscanf(pointer,"%255[-0-9a-z]%c", command, &question);
if ((question == '=') && (!strcmp(command, "query"))) {
pointer = pointer + 6;
length_uri = length_uri - 6;
warningkill = sscanf(pointer, "%255[-0-9a-z_]", command);
/*check if command exist, length_uri too*/
length_uri = length_uri - strlen(command);
if (length_uri == 0) {
const char *value = NULL;
i = 0;
while (config_params[i].param_name != NULL) {
if ((thread != 0) && (config_params[i].main_thread)) {
i++;
continue;
}
if (!strcasecmp(command, config_params[i].param_name))
break;
i++;
}
/*
* FIXME bool values or commented values maybe that should be
* solved with config_type
*/
if (config_params[i].param_name) {
const char *type = NULL;
type = config_type(&config_params[i]);
if (!strcmp(type, "unknown")) {
/* error doesn't exists this param_name */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
return 1;
} else {
char *text_help = NULL;
char *sharp = NULL;
value = config_params[i].print(cnt, NULL, i, thread);
sharp = strstr(config_params[i].param_help, "#\n\n#");
if (sharp == NULL)
sharp = strstr(config_params[i].param_help, "#");
sharp++;
text_help = replace(sharp, "\n#", "<br>");
if (value == NULL)
value = config_params[i].print(cnt, NULL, i, 0);
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/config/get><– back</a><br><br>\n"
"<b>Camera %d%s%s</b><br>\n<ul><li>%s = %s "
" <a href='%s#%s' target=_blank>"
"[help]</a></li></ul><hr><i>%s</i>",
thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "",
config_params[i].param_name, value,
TWIKI_URL, config_params[i].param_name, text_help);
send_template(client_socket, res);
send_template_end_client(client_socket);
free(text_help);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "%s = %s\nDone\n", config_params[i].param_name, value);
send_template_raw(client_socket, res);
}
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
}
} else if (length_uri == 0) {
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/config><– back</a><br><br>\n<b>Camera %d%s%s</b><br>\n"
"<form action=get>\n"
"<select name='query'>\n", thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "");
send_template(client_socket, res);
for (i=0; config_params[i].param_name != NULL; i++) {
if ((thread != 0) && (config_params[i].main_thread))
continue;
sprintf(res, "<option value='%s'>%s</option>\n",
config_params[i].param_name, config_params[i].param_name);
send_template(client_socket, res);
}
sprintf(res, "</select>\n"
"<input type='submit' value='get'>\n"
"</form>\n");
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "get needs param_name\n");
send_template_raw(client_socket, res);
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_valid_syntax, NULL);
else
response_client(client_socket, not_valid_syntax_raw, NULL);
}
} else if (!strcmp(command, "write")) {
pointer = pointer + 5;
length_uri = length_uri - 5;
if (length_uri == 0) {
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/config><– back</a><br><br>"
"Are you sure? <a href=/%u/config/writeyes>Yes</a>\n", thread, thread);
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
conf_print(cnt);
send_template_ini_client_raw(client_socket);
sprintf(res, "Camera %d write\nDone\n", cnt[thread]->conf.camera_id);
send_template_raw(client_socket, res);
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else if (!strcmp(command, "writeyes")) {
pointer = pointer + 8;
length_uri = length_uri - 8;
if (length_uri == 0) {
conf_print(cnt);
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/config><– back</a><br><br>\n<b>Camera %d%s%s</b> write done !\n",
thread, cnt[thread]->conf.camera_id,
cnt[thread]->conf.camera_name ? " -- " : "",
cnt[thread]->conf.camera_name ? cnt[thread]->conf.camera_name : "");
send_template(client_socket, res);
send_template_end_client(client_socket);
} else {
send_template_ini_client_raw(client_socket);
sprintf(res, "Camera %d write\nDone\n", cnt[thread]->conf.camera_id);
send_template_raw(client_socket, res);
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output) {
response_client(client_socket, not_found_response_valid_command, NULL);
}
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
} else {
/* error */
if (cnt[0]->conf.webcontrol_html_output)
response_client(client_socket, not_found_response_valid_command, NULL);
else
response_client(client_socket, not_found_response_valid_command_raw, NULL);
}
return 1;
}
/**
* action
* manages/parses the actions for motion ( makemovie , snapshot , restart , quit ).
*
* Returns
* 0 for restart & quit
* 1 for makemovie & snaphost
*/
static unsigned int action(char *pointer, char *res, unsigned int length_uri,
unsigned int thread, int client_socket, void *userdata)
{
/* parse action commands */
char command[256] = {'\0'};
struct context **cnt = userdata;
unsigned int i = 0;
warningkill = sscanf(pointer, "%255[a-z]" , command);
if (!strcmp(command, "makemovie")) {
pointer = pointer + 9;
length_uri = length_uri - 9;
if (length_uri == 0) {
/* call makemovie */
if (thread == 0) {
while (cnt[++i])
cnt[i]->makemovie = 1;
} else {
cnt[thread]->makemovie = 1;
}
if (cnt[0]->conf.webcontrol_html_output) {
send_template_ini_client(client_socket, ini_template);
sprintf(res, "<a href=/%u/action><– back</a><br><br>\n"
"makemovie for thread %u done<br>\n", thread, thread);