mirror of
https://github.com/owntone/owntone-server.git
synced 2025-03-20 04:24:20 -04:00
Add server-side includes and threadstat
This commit is contained in:
Ron Pedde
parent
5a7f17eacb
commit
10de50ce0b
344
src/configfile.c
344
src/configfile.c
@ -26,6 +26,8 @@
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <limits.h>
|
||||
#include <pthread.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
@ -38,15 +40,21 @@
|
||||
/*
|
||||
* Forwards
|
||||
*/
|
||||
void config_emit_string(WS_CONNINFO *pwsc, void *value);
|
||||
void config_emit_literal(WS_CONNINFO *pwsc, void *value);
|
||||
void config_emit_int(WS_CONNINFO *pwsc, void *value);
|
||||
void config_emit_string(WS_CONNINFO *pwsc, void *value, char *arg);
|
||||
void config_emit_literal(WS_CONNINFO *pwsc, void *value, char *arg);
|
||||
void config_emit_int(WS_CONNINFO *pwsc, void *value, char *arg);
|
||||
void config_emit_include(WS_CONNINFO *pwsc, void *value, char *arg);
|
||||
void config_emit_threadstatus(WS_CONNINFO *pwsc, void *value, char *arg);
|
||||
void config_subst_stream(WS_CONNINFO *pwsc, int fd_src);
|
||||
int config_mutex_lock(void);
|
||||
int config_mutex_unlock(void);
|
||||
|
||||
/*
|
||||
* Defines
|
||||
*/
|
||||
#define CONFIG_TYPE_INT 0
|
||||
#define CONFIG_TYPE_STRING 1
|
||||
#define CONFIG_TYPE_SPECIAL 4
|
||||
|
||||
typedef struct tag_configelement {
|
||||
int config_element;
|
||||
@ -55,7 +63,7 @@ typedef struct tag_configelement {
|
||||
int type;
|
||||
char *name;
|
||||
void *var;
|
||||
void (*emit)(WS_CONNINFO *, void *);
|
||||
void (*emit)(WS_CONNINFO *, void *, char *);
|
||||
} CONFIGELEMENT;
|
||||
|
||||
CONFIGELEMENT config_elements[] = {
|
||||
@ -63,11 +71,22 @@ CONFIGELEMENT config_elements[] = {
|
||||
{ 1,1,0,CONFIG_TYPE_INT,"port",(void*)&config.port,config_emit_int },
|
||||
{ 1,1,0,CONFIG_TYPE_STRING,"admin_pw",(void*)&config.adminpassword,config_emit_string },
|
||||
{ 1,1,0,CONFIG_TYPE_STRING,"mp3_dir",(void*)&config.mp3dir,config_emit_string },
|
||||
{ 0,0,0,CONFIG_TYPE_STRING,"release",(void*)VERSION,config_emit_literal },
|
||||
{ 0,0,0,CONFIG_TYPE_STRING,"package",(void*)PACKAGE,config_emit_literal },
|
||||
{ 0,0,0,CONFIG_TYPE_SPECIAL,"release",(void*)VERSION,config_emit_literal },
|
||||
{ 0,0,0,CONFIG_TYPE_SPECIAL,"package",(void*)PACKAGE,config_emit_literal },
|
||||
{ 0,0,0,CONFIG_TYPE_SPECIAL,"include",(void*)NULL,config_emit_include },
|
||||
{ 0,0,0,CONFIG_TYPE_SPECIAL,"threadstat",(void*)NULL,config_emit_threadstatus },
|
||||
{ -1,1,0,CONFIG_TYPE_STRING,NULL,NULL,NULL }
|
||||
};
|
||||
|
||||
typedef struct tag_scan_status {
|
||||
int session;
|
||||
int thread;
|
||||
char *what;
|
||||
struct tag_scan_status *next;
|
||||
} SCAN_STATUS;
|
||||
|
||||
SCAN_STATUS scan_status = { 0,0,NULL,NULL };
|
||||
pthread_mutex_t scan_mutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
|
||||
#define MAX_LINE 1024
|
||||
|
||||
@ -192,6 +211,70 @@ int config_write(CONFIG *pconfig) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* config_subst_stream
|
||||
*
|
||||
* walk through a stream doing substitution on the
|
||||
* meta commands
|
||||
*/
|
||||
void config_subst_stream(WS_CONNINFO *pwsc, int fd_src) {
|
||||
int in_arg;
|
||||
char *argptr;
|
||||
char argbuffer[30];
|
||||
char next;
|
||||
CONFIGELEMENT *pce;
|
||||
char *first, *last;
|
||||
|
||||
/* now throw out the file, with replacements */
|
||||
in_arg=0;
|
||||
argptr=argbuffer;
|
||||
|
||||
while(1) {
|
||||
if(r_read(fd_src,&next,1) <= 0)
|
||||
break;
|
||||
|
||||
if(in_arg) {
|
||||
if((next == '@') && (strlen(argbuffer) > 0)) {
|
||||
in_arg=0;
|
||||
|
||||
DPRINTF(ERR_DEBUG,"Got directive %s\n",argbuffer);
|
||||
|
||||
/* see if there are args */
|
||||
first=last=argbuffer;
|
||||
strsep(&last," ");
|
||||
|
||||
pce=config_elements;
|
||||
while(pce->config_element != -1) {
|
||||
if(strcasecmp(first,pce->name) == 0) {
|
||||
pce->emit(pwsc, pce->var,last);
|
||||
break;
|
||||
}
|
||||
pce++;
|
||||
}
|
||||
|
||||
if(pce->config_element == -1) { /* bad subst */
|
||||
ws_writefd(pwsc,"@%s@",argbuffer);
|
||||
}
|
||||
} else if(next == '@') {
|
||||
ws_writefd(pwsc,"@");
|
||||
in_arg=0;
|
||||
} else {
|
||||
if((argptr - argbuffer) < (sizeof(argbuffer)-1))
|
||||
*argptr++ = next;
|
||||
}
|
||||
} else {
|
||||
if(next == '@') {
|
||||
argptr=argbuffer;
|
||||
memset(argbuffer,0,sizeof(argbuffer));
|
||||
in_arg=1;
|
||||
} else {
|
||||
if(r_write(pwsc->fd,&next,1) == -1)
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* config_handler
|
||||
*
|
||||
@ -202,13 +285,11 @@ void config_handler(WS_CONNINFO *pwsc) {
|
||||
char resolved_path[PATH_MAX];
|
||||
int file_fd;
|
||||
struct stat sb;
|
||||
char argbuffer[30];
|
||||
int in_arg;
|
||||
char *argptr;
|
||||
char next;
|
||||
CONFIGELEMENT *pce;
|
||||
char *pw;
|
||||
|
||||
DPRINTF(ERR_DEBUG,"Entereing config_handler\n");
|
||||
|
||||
config_set_status(pwsc,0,"Serving admin pages");
|
||||
|
||||
pwsc->close=1;
|
||||
ws_addresponseheader(pwsc,"Connection","close");
|
||||
@ -218,6 +299,7 @@ void config_handler(WS_CONNINFO *pwsc) {
|
||||
pwsc->error=errno;
|
||||
DPRINTF(ERR_WARN,"Cannot resolve %s\n",path);
|
||||
ws_returnerror(pwsc,404,"Not found");
|
||||
config_set_status(pwsc,0,NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -235,6 +317,7 @@ void config_handler(WS_CONNINFO *pwsc) {
|
||||
DPRINTF(ERR_WARN,"Thread %d: Requested file %s out of root\n",
|
||||
pwsc->threadno,resolved_path);
|
||||
ws_returnerror(pwsc,403,"Forbidden");
|
||||
config_set_status(pwsc,0,NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -244,66 +327,28 @@ void config_handler(WS_CONNINFO *pwsc) {
|
||||
DPRINTF(ERR_WARN,"Thread %d: Error opening %s: %s\n",
|
||||
pwsc->threadno,resolved_path,strerror(errno));
|
||||
ws_returnerror(pwsc,404,"Not found");
|
||||
config_set_status(pwsc,0,NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
if(strcasecmp(pwsc->uri,"/config-update.html")==0) {
|
||||
/* we need to update stuff */
|
||||
argptr=ws_getvar(pwsc,"adminpw");
|
||||
if(argptr) {
|
||||
pw=ws_getvar(pwsc,"adminpw");
|
||||
if(pw) {
|
||||
if(config.adminpassword)
|
||||
free(config.adminpassword);
|
||||
config.adminpassword=strdup(argptr);
|
||||
config.adminpassword=strdup(pw);
|
||||
}
|
||||
}
|
||||
|
||||
ws_writefd(pwsc,"HTTP/1.1 200 OK\r\n");
|
||||
ws_emitheaders(pwsc);
|
||||
|
||||
/* now throw out the file, with replacements */
|
||||
in_arg=0;
|
||||
argptr=argbuffer;
|
||||
|
||||
while(1) {
|
||||
if(r_read(file_fd,&next,1) <= 0)
|
||||
break;
|
||||
|
||||
if(in_arg) {
|
||||
if(next == '@') {
|
||||
in_arg=0;
|
||||
|
||||
DPRINTF(ERR_DEBUG,"Got directive %s\n",argbuffer);
|
||||
|
||||
pce=config_elements;
|
||||
while(pce->config_element != -1) {
|
||||
if(strcasecmp(argbuffer,pce->name) == 0) {
|
||||
pce->emit(pwsc, pce->var);
|
||||
break;
|
||||
}
|
||||
pce++;
|
||||
}
|
||||
|
||||
if(pce->config_element == -1) { /* bad subst */
|
||||
ws_writefd(pwsc,"@%s@",argbuffer);
|
||||
}
|
||||
} else {
|
||||
if((argptr - argbuffer) < (sizeof(argbuffer)-1))
|
||||
*argptr++ = next;
|
||||
}
|
||||
} else {
|
||||
if(next == '@') {
|
||||
argptr=argbuffer;
|
||||
memset(argbuffer,0,sizeof(argbuffer));
|
||||
in_arg=1;
|
||||
} else {
|
||||
if(r_write(pwsc->fd,&next,1) == -1)
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
config_subst_stream(pwsc, file_fd);
|
||||
|
||||
r_close(file_fd);
|
||||
DPRINTF(ERR_DEBUG,"Thread %d: Served successfully\n",pwsc->threadno);
|
||||
config_set_status(pwsc,0,NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -319,7 +364,7 @@ int config_auth(char *user, char *password) {
|
||||
*
|
||||
* write a simple string value to the connection
|
||||
*/
|
||||
void config_emit_string(WS_CONNINFO *pwsc, void *value) {
|
||||
void config_emit_string(WS_CONNINFO *pwsc, void *value, char *arg) {
|
||||
ws_writefd(pwsc,"%s",*((char**)value));
|
||||
}
|
||||
|
||||
@ -328,7 +373,7 @@ void config_emit_string(WS_CONNINFO *pwsc, void *value) {
|
||||
*
|
||||
* Emit a regular char *
|
||||
*/
|
||||
void config_emit_literal(WS_CONNINFO *pwsc, void *value) {
|
||||
void config_emit_literal(WS_CONNINFO *pwsc, void *value, char *arg) {
|
||||
ws_writefd(pwsc,"%s",(char*)value);
|
||||
}
|
||||
|
||||
@ -338,7 +383,188 @@ void config_emit_literal(WS_CONNINFO *pwsc, void *value) {
|
||||
*
|
||||
* write a simple int value to the connection
|
||||
*/
|
||||
void config_emit_int(WS_CONNINFO *pwsc, void *value) {
|
||||
void config_emit_int(WS_CONNINFO *pwsc, void *value, char *arg) {
|
||||
ws_writefd(pwsc,"%d",*((int*)value));
|
||||
}
|
||||
|
||||
/*
|
||||
* config_emit_threadstatus
|
||||
*
|
||||
* dump thread status info into a html table
|
||||
*/
|
||||
void config_emit_threadstatus(WS_CONNINFO *pwsc, void *value, char *arg) {
|
||||
SCAN_STATUS *pss;
|
||||
|
||||
if(config_mutex_lock())
|
||||
return;
|
||||
|
||||
ws_writefd(pwsc,"<TABLE><TR><TH ALIGN=LEFT>Thread</TH>");
|
||||
ws_writefd(pwsc,"<TH ALIGN=LEFT>Session</TH><TH ALIGN=LEFT>Host</TH>");
|
||||
ws_writefd(pwsc,"<TH ALIGN=LEFT>Action</TH></TR>\n");
|
||||
|
||||
|
||||
pss=scan_status.next;
|
||||
while(pss) {
|
||||
ws_writefd(pwsc,"<TR><TD>%d</TD><TD>%d</TD><TD>%s</TD><TD>%s</TD></TR>\n",
|
||||
pss->thread,pss->session,pwsc->hostname,pss->what);
|
||||
pss=pss->next;
|
||||
}
|
||||
|
||||
ws_writefd(pwsc,"</TABLE>\n");
|
||||
config_mutex_unlock();
|
||||
}
|
||||
|
||||
/*
|
||||
* config_emit_include
|
||||
*
|
||||
* Do a server-side include
|
||||
*/
|
||||
void config_emit_include(WS_CONNINFO *pwsc, void *value, char *arg) {
|
||||
char resolved_path[PATH_MAX];
|
||||
char path[PATH_MAX];
|
||||
int file_fd;
|
||||
struct stat sb;
|
||||
char argbuffer[30];
|
||||
int in_arg;
|
||||
char *argptr;
|
||||
char next;
|
||||
CONFIGELEMENT *pce;
|
||||
char *first, *last;
|
||||
|
||||
DPRINTF(ERR_DEBUG,"Preparing to include %s\n",arg);
|
||||
|
||||
snprintf(path,PATH_MAX,"%s/%s",config.web_root,arg);
|
||||
if(!realpath(path,resolved_path)) {
|
||||
pwsc->error=errno;
|
||||
DPRINTF(ERR_WARN,"Cannot resolve %s\n",path);
|
||||
ws_writefd(pwsc,"<hr><i>error: cannot find %s</i><hr>",arg);
|
||||
return;
|
||||
}
|
||||
|
||||
/* this should really return a 302:Found */
|
||||
stat(resolved_path,&sb);
|
||||
if(sb.st_mode & S_IFDIR) {
|
||||
ws_writefd(pwsc,"<hr><i>error: cannot include director %s</i><hr>",arg);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
DPRINTF(ERR_DEBUG,"Thread %d: Preparing to serve %s\n",
|
||||
pwsc->threadno, resolved_path);
|
||||
|
||||
if(strncmp(resolved_path,config.web_root,
|
||||
strlen(config.web_root))) {
|
||||
pwsc->error=EINVAL;
|
||||
DPRINTF(ERR_WARN,"Thread %d: Requested file %s out of root\n",
|
||||
pwsc->threadno,resolved_path);
|
||||
ws_writefd(pwsc,"<hr><i>error: %s out of web root</i><hr>",arg);
|
||||
return;
|
||||
}
|
||||
|
||||
file_fd=r_open2(resolved_path,O_RDONLY);
|
||||
if(file_fd == -1) {
|
||||
pwsc->error=errno;
|
||||
DPRINTF(ERR_WARN,"Thread %d: Error opening %s: %s\n",
|
||||
pwsc->threadno,resolved_path,strerror(errno));
|
||||
ws_writefd(pwsc,"<hr><i>error: cannot open %s: %s</i><hr>",arg,strerror(errno));
|
||||
return;
|
||||
}
|
||||
|
||||
config_subst_stream(pwsc, file_fd);
|
||||
|
||||
r_close(file_fd);
|
||||
DPRINTF(ERR_DEBUG,"Thread %d: included successfully\n",pwsc->threadno);
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* config_set_status
|
||||
*
|
||||
* update the status info for a particular thread
|
||||
*/
|
||||
void config_set_status(WS_CONNINFO *pwsc, int session, char *fmt, ...) {
|
||||
char buffer[1024];
|
||||
va_list ap;
|
||||
SCAN_STATUS *pfirst, *plast;
|
||||
|
||||
if(config_mutex_lock()) {
|
||||
/* we should really shutdown the app here... */
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
pfirst=plast=scan_status.next;
|
||||
while((pfirst) && (pfirst->thread != pwsc->threadno)) {
|
||||
plast=pfirst;
|
||||
pfirst=pfirst->next;
|
||||
}
|
||||
|
||||
if(fmt) {
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(buffer, 1024, fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
if(pfirst) { /* already there */
|
||||
free(pfirst->what);
|
||||
pfirst->what = strdup(buffer);
|
||||
pfirst->session = session; /* this might change! */
|
||||
} else {
|
||||
pfirst=(SCAN_STATUS*)malloc(sizeof(SCAN_STATUS));
|
||||
if(pfirst) {
|
||||
pfirst->what = strdup(buffer);
|
||||
pfirst->session = session;
|
||||
pfirst->thread = pwsc->threadno;
|
||||
pfirst->next=scan_status.next;
|
||||
scan_status.next=pfirst;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if(!pfirst) {
|
||||
config_mutex_unlock();
|
||||
return;
|
||||
}
|
||||
|
||||
if(pfirst==plast) {
|
||||
scan_status.next=pfirst->next;
|
||||
free(pfirst->what);
|
||||
free(pfirst);
|
||||
} else {
|
||||
plast->next = pfirst->next;
|
||||
free(pfirst->what);
|
||||
free(pfirst);
|
||||
}
|
||||
}
|
||||
|
||||
config_mutex_unlock();
|
||||
}
|
||||
|
||||
/*
|
||||
* config_mutex_lock
|
||||
*
|
||||
* Lock the scan status mutex
|
||||
*/
|
||||
int config_mutex_lock(void) {
|
||||
int err;
|
||||
|
||||
if(err=pthread_mutex_lock(&scan_mutex)) {
|
||||
errno=err;
|
||||
return - 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* config_mutex_unlock
|
||||
*
|
||||
* Unlock the scan status mutex
|
||||
*/
|
||||
int config_mutex_unlock(void) {
|
||||
int err;
|
||||
|
||||
if(err=pthread_mutex_unlock(&scan_mutex)) {
|
||||
errno=err;
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -29,5 +29,6 @@ extern int config_read(char *file);
|
||||
extern int config_write(CONFIG *pconfig);
|
||||
extern int config_auth(char *user, char *password);
|
||||
extern void config_handler(WS_CONNINFO *pwsc);
|
||||
extern void config_set_status(WS_CONNINFO *pwsc, int session, char *fmt, ...);
|
||||
|
||||
#endif /* _CONFIGFILE_H_ */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user