mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-23 15:02:27 +00:00
156 lines
4.9 KiB
C
156 lines
4.9 KiB
C
|
|
#include "serval.h"
|
|
#include "httpd.h"
|
|
#include "conf.h"
|
|
#include "overlay_address.h"
|
|
#include "overlay_interface.h"
|
|
#include "os.h"
|
|
#include "route_link.h"
|
|
|
|
DECLARE_HANDLER("/static/", static_page);
|
|
DECLARE_HANDLER("/interface/", interface_page);
|
|
DECLARE_HANDLER("/neighbour/", neighbour_page);
|
|
DECLARE_HANDLER("/favicon.ico", fav_icon_header);
|
|
DECLARE_HANDLER("/", root_page);
|
|
|
|
|
|
static int root_page(httpd_request *r, const char *remainder)
|
|
{
|
|
if (*remainder)
|
|
return 404;
|
|
if (r->http.verb != HTTP_VERB_GET)
|
|
return 405;
|
|
char temp[8192];
|
|
strbuf b = strbuf_local_buf(temp);
|
|
strbuf_sprintf(b, "<html><head><meta http-equiv=\"refresh\" content=\"5\" ></head><body>"
|
|
"<h1>Hello, I'm %s*</h1>",
|
|
alloca_tohex_sid_t_trunc(my_subscriber->sid, 16));
|
|
if (config.server.motd[0]) {
|
|
strbuf_puts(b, "<p>");
|
|
strbuf_html_escape(b, config.server.motd, strlen(config.server.motd));
|
|
strbuf_puts(b, "</p>");
|
|
}
|
|
strbuf_puts(b, "Interfaces;<br />");
|
|
int i;
|
|
for (i=0;i<OVERLAY_MAX_INTERFACES;i++){
|
|
if (overlay_interfaces[i].state==INTERFACE_STATE_UP)
|
|
strbuf_sprintf(b, "<a href=\"/interface/%d\">%d: %s, TX: %d, RX: %d</a><br />",
|
|
i, i, overlay_interfaces[i].name, overlay_interfaces[i].tx_count, overlay_interfaces[i].recv_count);
|
|
}
|
|
strbuf_puts(b, "Neighbours;<br />");
|
|
link_neighbour_short_status_html(b, "/neighbour");
|
|
if (is_rhizome_http_enabled()){
|
|
strbuf_puts(b, "<a href=\"/rhizome/status\">Rhizome Status</a><br />");
|
|
}
|
|
strbuf_puts(b, "</body></html>");
|
|
if (strbuf_overrun(b)) {
|
|
WHY("HTTP Root page buffer overrun");
|
|
return 500;
|
|
}
|
|
http_request_response_static(&r->http, 200, CONTENT_TYPE_HTML, temp, strbuf_len(b));
|
|
return 1;
|
|
}
|
|
|
|
static int fav_icon_header(httpd_request *r, const char *remainder)
|
|
{
|
|
if (*remainder)
|
|
return 404;
|
|
http_request_response_static(&r->http, 200, "image/vnd.microsoft.icon", (const char *)favicon_bytes, favicon_len);
|
|
return 1;
|
|
}
|
|
|
|
static int neighbour_page(httpd_request *r, const char *remainder)
|
|
{
|
|
if (r->http.verb != HTTP_VERB_GET)
|
|
return 405;
|
|
char buf[8*1024];
|
|
strbuf b = strbuf_local_buf(buf);
|
|
sid_t neighbour_sid;
|
|
if (str_to_sid_t(&neighbour_sid, remainder) == -1)
|
|
return 404;
|
|
struct subscriber *neighbour = find_subscriber(neighbour_sid.binary, sizeof(neighbour_sid.binary), 0);
|
|
if (!neighbour)
|
|
return 404;
|
|
strbuf_puts(b, "<html><head><meta http-equiv=\"refresh\" content=\"5\" ></head><body>");
|
|
link_neighbour_status_html(b, neighbour);
|
|
strbuf_puts(b, "</body></html>");
|
|
if (strbuf_overrun(b))
|
|
return -1;
|
|
http_request_response_static(&r->http, 200, CONTENT_TYPE_HTML, buf, strbuf_len(b));
|
|
return 1;
|
|
}
|
|
|
|
static int interface_page(httpd_request *r, const char *remainder)
|
|
{
|
|
if (r->http.verb != HTTP_VERB_GET)
|
|
return 405;
|
|
char buf[8*1024];
|
|
strbuf b=strbuf_local_buf(buf);
|
|
int index=atoi(remainder);
|
|
if (index<0 || index>=OVERLAY_MAX_INTERFACES)
|
|
return 404;
|
|
strbuf_puts(b, "<html><head><meta http-equiv=\"refresh\" content=\"5\" ></head><body>");
|
|
interface_state_html(b, &overlay_interfaces[index]);
|
|
strbuf_puts(b, "</body></html>");
|
|
if (strbuf_overrun(b))
|
|
return -1;
|
|
http_request_response_static(&r->http, 200, CONTENT_TYPE_HTML, buf, strbuf_len(b));
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int static_file_generator(struct http_request *hr, unsigned char *buf, size_t bufsz, struct http_content_generator_result *result)
|
|
{
|
|
struct httpd_request *r=(struct httpd_request *)hr;
|
|
uint64_t remain = r->http.response.header.content_length + r->http.response.header.content_range_start - r->u.file.offset;
|
|
if (bufsz < remain)
|
|
remain = bufsz;
|
|
ssize_t bytes = read(r->u.file.fd, buf, remain);
|
|
if (bytes == -1)
|
|
return -1;
|
|
r->u.file.offset+=bytes;
|
|
result->generated = bytes;
|
|
return (r->u.file.offset >= r->http.response.header.content_length + r->http.response.header.content_range_start)?0:1;
|
|
}
|
|
|
|
static void finalise_union_close_file(httpd_request *r)
|
|
{
|
|
if (r->u.file.fd==-1)
|
|
return;
|
|
close(r->u.file.fd);
|
|
r->u.file.fd=-1;
|
|
}
|
|
|
|
static int static_page(httpd_request *r, const char *remainder)
|
|
{
|
|
if (r->http.verb != HTTP_VERB_GET)
|
|
return 405;
|
|
char path[PATH_MAX];
|
|
|
|
if (!*remainder)
|
|
remainder="index.html";
|
|
if (FORMF_SERVAL_ETC_PATH(path, "static/%s", remainder)==0)
|
|
return 500;
|
|
struct stat stat;
|
|
if (lstat(path, &stat))
|
|
return 404;
|
|
|
|
r->u.file.fd = open(path, O_RDONLY);
|
|
if (r->u.file.fd==-1)
|
|
return 404;
|
|
|
|
r->finalise_union=finalise_union_close_file;
|
|
|
|
// TODO find extension and set content type properly
|
|
http_response_init_content_range(r, stat.st_size);
|
|
if (r->http.response.header.content_range_start){
|
|
if (lseek64(r->u.file.fd, r->http.response.header.content_range_start, SEEK_SET)){
|
|
WARNF_perror("lseek(%s)", path);
|
|
return 500;
|
|
}
|
|
}
|
|
r->u.file.offset=r->http.response.header.content_range_start;
|
|
http_request_response_generated(&r->http, 200, CONTENT_TYPE_HTML, static_file_generator);
|
|
return 1;
|
|
}
|