#include <req.h>
#include <proc.h>
-static int plex;
-
-static int listensock4(int port)
-{
- struct sockaddr_in name;
- int fd;
- int valbuf;
-
- memset(&name, 0, sizeof(name));
- name.sin_family = AF_INET;
- name.sin_port = htons(port);
- if((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
- return(-1);
- valbuf = 1;
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &valbuf, sizeof(valbuf));
- if(bind(fd, (struct sockaddr *)&name, sizeof(name))) {
- close(fd);
- return(-1);
- }
- if(listen(fd, 16) < 0) {
- close(fd);
- return(-1);
- }
- return(fd);
-}
+#include "htparser.h"
-static int listensock6(int port)
-{
- struct sockaddr_in6 name;
- int fd;
- int valbuf;
-
- memset(&name, 0, sizeof(name));
- name.sin6_family = AF_INET6;
- name.sin6_port = htons(port);
- if((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0)
- return(-1);
- valbuf = 1;
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &valbuf, sizeof(valbuf));
- if(bind(fd, (struct sockaddr *)&name, sizeof(name))) {
- close(fd);
- return(-1);
- }
- if(listen(fd, 16) < 0) {
- close(fd);
- return(-1);
- }
- return(fd);
-}
+static int plex;
static struct hthead *parsereq(FILE *in)
{
char buf[8192];
total = 0;
- while(!feof(in)) {
+ while(!feof(in) && ((max < 0) || (total < max))) {
read = sizeof(buf);
if(max >= 0)
- read = max(max - total, read);
+ read = min(max - total, read);
read = fread(buf, 1, read, in);
if(ferror(in))
return(-1);
read = fread(buf, 1, sizeof(buf), in);
if(ferror(in))
return(-1);
- fprintf(out, "%x\r\n", read);
+ fprintf(out, "%zx\r\n", read);
if(fwrite(buf, 1, read, out) != read)
return(-1);
fprintf(out, "\r\n");
return(!strcasecmp(hd, val));
}
-static void serve(struct muth *muth, va_list args)
+void serve(FILE *in, struct conn *conn)
{
- vavar(int, fd);
- vavar(struct sockaddr_storage, name);
int pfds[2];
- FILE *in, *out;
+ FILE *out;
struct hthead *req, *resp;
- char nmbuf[256];
char *hd, *p;
off_t dlen;
- in = mtstdopen(fd, 1, 60, "r+");
out = NULL;
req = resp = NULL;
while(1) {
if((p = strchr(req->rest, '?')) != NULL)
*p = 0;
- if(name.ss_family == AF_INET) {
- headappheader(req, "X-Ash-Address", inet_ntop(AF_INET, &((struct sockaddr_in *)&name)->sin_addr, nmbuf, sizeof(nmbuf)));
- headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in *)&name)->sin_port)));
- } else if(name.ss_family == AF_INET6) {
- headappheader(req, "X-Ash-Address", inet_ntop(AF_INET6, &((struct sockaddr_in6 *)&name)->sin6_addr, nmbuf, sizeof(nmbuf)));
- headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in6 *)&name)->sin6_port)));
- }
-
+ if((conn->initreq != NULL) && conn->initreq(conn, req))
+ break;
+
if(block(plex, EV_WRITE, 60) <= 0)
break;
if(socketpair(PF_UNIX, SOCK_STREAM, 0, pfds))
/* Make sure to send EOF */
shutdown(pfds[1], SHUT_WR);
- resp = parseresp(out);
+ if((resp = parseresp(out)) == NULL)
+ break;
replstr(&resp->ver, req->ver);
if(!strcmp(req->ver, "HTTP/1.0")) {
fclose(in);
}
-static void listenloop(struct muth *muth, va_list args)
-{
- vavar(int, ss);
- int ns;
- struct sockaddr_storage name;
- socklen_t namelen;
-
- while(1) {
- namelen = sizeof(name);
- block(ss, EV_READ, 0);
- ns = accept(ss, (struct sockaddr *)&name, &namelen);
- if(ns < 0) {
- flog(LOG_ERR, "accept: %s", strerror(errno));
- goto out;
- }
- mustart(serve, ns, name);
- }
-
-out:
- close(ss);
-}
-
static void plexwatch(struct muth *muth, va_list args)
{
vavar(int, fd);
}
}
+static void usage(FILE *out)
+{
+ fprintf(out, "usage: htparser [-h] PORTSPEC... -- ROOT [ARGS...]\n");
+ fprintf(out, "\twhere PORTSPEC is HANDLER[:PAR[=VAL][(,PAR[=VAL])...]] (try HANDLER:help)\n");
+ fprintf(out, "\tavailable handlers are `plain'.\n");
+}
+
+static void addport(char *spec)
+{
+ char *nm, *p, *p2, *n;
+ struct charvbuf pars, vals;
+
+ bufinit(pars);
+ bufinit(vals);
+ if((p = strchr(spec, ':')) == NULL) {
+ nm = spec;
+ } else {
+ nm = spec;
+ *(p++) = 0;
+ do {
+ if((n = strchr(p, ',')) != NULL)
+ *(n++) = 0;
+ if((p2 = strchr(p, '=')) != NULL)
+ *(p2++) = 0;
+ if(!*p) {
+ usage(stderr);
+ exit(1);
+ }
+ bufadd(pars, p);
+ if(p2)
+ bufadd(vals, p2);
+ else
+ bufadd(vals, "");
+ } while((p = n) != NULL);
+ }
+
+ /* XXX: It would be nice to decentralize this, but, meh... */
+ if(!strcmp(nm, "plain")) {
+ handleplain(pars.d, pars.b, vals.b);
+ } else {
+ flog(LOG_ERR, "htparser: unknown port handler `%s'", nm);
+ exit(1);
+ }
+
+ buffree(pars);
+ buffree(vals);
+}
+
int main(int argc, char **argv)
{
- int fd;
+ int c;
+ int i, s1;
- if(argc < 2) {
- fprintf(stderr, "usage: htparser ROOT [ARGS...]\n");
+ while((c = getopt(argc, argv, "+h")) >= 0) {
+ switch(c) {
+ case 'h':
+ usage(stdout);
+ exit(0);
+ default:
+ usage(stderr);
+ exit(1);
+ }
+ }
+ if((argc - optind) < 3) {
+ usage(stderr);
exit(1);
}
- if((plex = stdmkchild(argv + 1)) < 0) {
- flog(LOG_ERR, "could not spawn root multiplexer: %s", strerror(errno));
- return(1);
+ s1 = 0;
+ for(i = optind; i < argc; i++) {
+ if(!strcmp(argv[i], "--"))
+ break;
+ s1 = 1;
+ addport(argv[i]);
}
- if((fd = listensock6(8080)) < 0) {
- flog(LOG_ERR, "could not listen on IPv6: %s", strerror(errno));
- return(1);
+ if(!s1 || (i == argc)) {
+ usage(stderr);
+ exit(1);
}
- mustart(listenloop, fd);
- if((fd = listensock4(8080)) < 0) {
- if(errno != EADDRINUSE) {
- flog(LOG_ERR, "could not listen on IPv4: %s", strerror(errno));
- return(1);
- }
- } else {
- mustart(listenloop, fd);
+ if((plex = stdmkchild(argv + ++i)) < 0) {
+ flog(LOG_ERR, "could not spawn root multiplexer: %s", strerror(errno));
+ return(1);
}
mustart(plexwatch, plex);
ioloop();