/* This file is part of Pazpar2.
- Copyright (C) 2006-2008 Index Data
+ Copyright (C) 2006-2009 Index Data
Pazpar2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <stdio.h>
+#ifdef WIN32
+#include <winsock.h>
+typedef int socklen_t;
+#endif
+
+#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
+#endif
+
#include <sys/types.h>
-#include <sys/uio.h>
+
#include <yaz/snprintf.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
+
#include <stdlib.h>
-#include <strings.h>
+#include <string.h>
#include <ctype.h>
#include <fcntl.h>
+#if HAVE_NETDB_H
#include <netdb.h>
+#endif
+
#include <errno.h>
#include <assert.h>
#include <string.h>
-#if HAVE_CONFIG_H
-#include <cconfig.h>
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
#endif
-#include <netinet/in.h>
+#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
-#include <netdb.h>
+#endif
#include <yaz/yaz-util.h>
#include <yaz/comstack.h>
#include <yaz/nmem.h>
-#include "cconfig.h"
#include "util.h"
-#include "eventl.h"
#include "pazpar2.h"
#include "http.h"
-#include "http_command.h"
#define MAX_HTTP_HEADER 4096
+#ifdef WIN32
+#define strncasecmp _strnicmp
+#define strcasecmp _stricmp
+#endif
+
static void proxy_io(IOCHAN i, int event);
-static struct http_channel *http_create(const char *addr);
+static struct http_channel *http_create(const char *addr,
+ struct conf_server *server);
static void http_destroy(IOCHAN i);
-// If this is set, we proxy normal HTTP requests
-static struct sockaddr_in *proxy_addr = 0;
-static char proxy_url[256] = "";
-static char myurl[256] = "";
-static struct http_buf *http_buf_freelist = 0;
-static struct http_channel *http_channel_freelist = 0;
+static struct http_buf *http_buf_freelist = 0; /* thread pr */
+static struct http_channel *http_channel_freelist = 0; /* thread pr */
struct http_channel_observer_s {
void *data;
return 0;
}
-static struct http_buf *http_buf_create()
+static struct http_buf *http_buf_create(void)
{
struct http_buf *r;
*(o++) = ' ';
i++;
}
- else if (*i == '%')
+ else if (*i == '%' && i[1] && i[2])
{
+ int v;
i++;
- sscanf(i, "%2hhx", o);
+ sscanf(i, "%2x", &v);
+ *o++ = v;
i += 2;
- o++;
}
else
*(o++) = *(i++);
r->headers = h;
}
-char *http_argbyname(struct http_request *r, char *name)
+const char *http_argbyname(struct http_request *r, const char *name)
{
struct http_argument *p;
if (!name)
return 0;
}
-char *http_headerbyname(struct http_header *h, char *name)
+const char *http_headerbyname(struct http_header *h, const char *name)
{
for (; h; h = h->next)
if (!strcmp(h->name, name))
while (*cp == ' ')
cp++;
content_len = 0;
- while (*cp && isdigit(*cp))
+ while (*cp && isdigit(*(const unsigned char *)cp))
content_len = content_len*10 + (*cp++ - '0');
if (content_len < 0) /* prevent negative offsets */
content_len = 0;
return 0;
*(value++) = '\0';
h->name = nmem_strdup(c->nmem, p);
- while (isspace(*value))
+ while (isspace(*(const unsigned char *) value))
value++;
if (value >= p2) // Empty header;
{
r->content_len = start + len - buf;
r->content_buf = buf;
- if (!strcmp(content_type, "application/x-www-form-urlencoded"))
+ if (!yaz_strcmp_del("application/x-www-form-urlencoded",
+ content_type, "; "))
{
http_parse_arguments(r, c->nmem, r->content_buf);
}
static int http_weshouldproxy(struct http_request *rq)
{
- if (proxy_addr && !strstr(rq->path, "search.pz2"))
+ struct http_channel *c = rq->channel;
+ if (c->server->proxy_addr && !strstr(rq->path, "search.pz2"))
return 1;
return 0;
}
return hp;
}
-
+
+static int is_inprogress(void)
+{
+#ifdef WIN32
+ if (WSAGetLastError() == WSAEWOULDBLOCK)
+ return 1;
+#else
+ if (errno == EINPROGRESS)
+ return 1;
+#endif
+ return 0;
+}
+
+static void enable_nonblock(int sock)
+{
+ int flags;
+#ifdef WIN32
+ flags = (flags & CS_FLAGS_BLOCKING) ? 0 : 1;
+ if (ioctlsocket(sock, FIONBIO, &flags) < 0)
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "ioctlsocket");
+#else
+ if ((flags = fcntl(sock, F_GETFL, 0)) < 0)
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl");
+ if (fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0)
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl2");
+#endif
+}
static int http_proxy(struct http_request *rq)
{
struct http_proxy *p = c->proxy;
struct http_header *hp;
struct http_buf *requestbuf;
- char server_via[128] = "";
char server_port[16] = "";
- struct conf_server *ser = global_parameters.server;
+ struct conf_server *ser = c->server;
if (!p) // This is a new connection. Create a proxy channel
{
int sock;
struct protoent *pe;
int one = 1;
- int flags;
if (!(pe = getprotobyname("tcp"))) {
abort();
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char*)
&one, sizeof(one)) < 0)
abort();
- if ((flags = fcntl(sock, F_GETFL, 0)) < 0)
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl");
- if (fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0)
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl2");
- if (connect(sock, (struct sockaddr *) proxy_addr,
- sizeof(*proxy_addr)) < 0)
- if (errno != EINPROGRESS)
+ enable_nonblock(sock);
+ if (connect(sock, (struct sockaddr *) c->server->proxy_addr,
+ sizeof(*c->server->proxy_addr)) < 0)
+ {
+ if (!is_inprogress())
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "Proxy connect");
return -1;
}
-
+ }
p = xmalloc(sizeof(struct http_proxy));
p->oqueue = 0;
p->channel = c;
// Add new header about paraz2 version, host, remote client address, etc.
{
+ char server_via[128];
+
hp = rq->headers;
hp = http_header_append(c, hp,
"X-Pazpar2-Version", PACKAGE_VERSION);
sprintf(server_port, "%d", ser->port);
hp = http_header_append(c, hp,
"X-Pazpar2-Server-Port", server_port);
- sprintf(server_via, "1.1 %s:%s (%s/%s)",
- ser->host, server_port, PACKAGE_NAME, PACKAGE_VERSION);
+ yaz_snprintf(server_via, sizeof(server_via),
+ "1.1 %s:%s (%s/%s)",
+ ser->host ? ser->host : "@",
+ server_port, PACKAGE_NAME, PACKAGE_VERSION);
hp = http_header_append(c, hp, "Via" , server_via);
hp = http_header_append(c, hp, "X-Forwarded-For", c->addr);
}
case EVENT_INPUT:
htbuf = http_buf_create();
- res = read(iochan_getfd(i), htbuf->buf, HTTP_BUF_SIZE -1);
+ res = recv(iochan_getfd(i), htbuf->buf, HTTP_BUF_SIZE -1, 0);
if (res == -1 && errno == EAGAIN)
{
http_buf_destroy(htbuf);
hc->request->path,
*hc->request->search ? "?" : "",
hc->request->search);
+ if (hc->request->content_buf)
+ yaz_log(YLOG_LOG, "%s", hc->request->content_buf);
if (http_weshouldproxy(hc->request))
http_proxy(hc->request);
else
if (hc->oqueue)
{
struct http_buf *wb = hc->oqueue;
- res = write(iochan_getfd(hc->iochan), wb->buf + wb->offset, wb->len);
+ res = send(iochan_getfd(hc->iochan), wb->buf + wb->offset, wb->len, 0);
if (res <= 0)
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "write");
case EVENT_INPUT:
htbuf = http_buf_create();
- res = read(iochan_getfd(pi), htbuf->buf, HTTP_BUF_SIZE -1);
- if (res == 0 || (res < 0 && errno != EINPROGRESS))
+ res = recv(iochan_getfd(pi), htbuf->buf, HTTP_BUF_SIZE -1, 0);
+ if (res == 0 || (res < 0 && !is_inprogress()))
{
if (hc->oqueue)
{
yaz_log(YLOG_WARN, "Proxy read came up short");
// Close channel and alert client HTTP channel that we're gone
http_buf_destroy(htbuf);
+#ifdef WIN32
+ closesocket(iochan_getfd(pi));
+#else
close(iochan_getfd(pi));
+#endif
iochan_destroy(pi);
pc->iochan = 0;
}
iochan_clearflag(pi, EVENT_OUTPUT);
return;
}
- res = write(iochan_getfd(pi), htbuf->buf + htbuf->offset, htbuf->len);
+ res = send(iochan_getfd(pi), htbuf->buf + htbuf->offset, htbuf->len, 0);
if (res <= 0)
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "write");
return;
}
if (res == htbuf->len)
- {
+ {
struct http_buf *np = htbuf->next;
http_buf_destroy(htbuf);
pc->oqueue = np;
{
if (s->proxy->iochan)
{
+#ifdef WIN32
+ closesocket(iochan_getfd(s->proxy->iochan));
+#else
close(iochan_getfd(s->proxy->iochan));
+#endif
iochan_destroy(s->proxy->iochan);
}
http_buf_destroy_queue(s->proxy->oqueue);
http_destroy_observers(s);
s->next = http_channel_freelist;
http_channel_freelist = s;
+#ifdef WIN32
+ closesocket(iochan_getfd(i));
+#else
close(iochan_getfd(i));
+#endif
iochan_destroy(i);
}
-static struct http_channel *http_create(const char *addr)
+static struct http_channel *http_create(const char *addr,
+ struct conf_server *server)
{
struct http_channel *r = http_channel_freelist;
r->nmem = nmem_create();
r->wrbuf = wrbuf_alloc();
}
+ r->server = server;
r->proxy = 0;
r->iochan = 0;
r->iqueue = r->oqueue = 0;
socklen_t len;
int s;
IOCHAN c;
- int flags;
struct http_channel *ch;
+ struct conf_server *server = iochan_getdata(i);
len = sizeof addr;
if ((s = accept(fd, (struct sockaddr *) &addr, &len)) < 0)
yaz_log(YLOG_WARN|YLOG_ERRNO, "accept");
return;
}
- if ((flags = fcntl(s, F_GETFL, 0)) < 0)
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl");
- if (fcntl(s, F_SETFL, flags | O_NONBLOCK) < 0)
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "fcntl2");
+ enable_nonblock(s);
yaz_log(YLOG_DEBUG, "New command connection");
c = iochan_create(s, http_io, EVENT_INPUT | EVENT_EXCEPT);
- ch = http_create(inet_ntoa(addr.sin_addr));
+ ch = http_create(inet_ntoa(addr.sin_addr), server);
ch->iochan = c;
iochan_setdata(c, ch);
}
/* Create a http-channel listener, syntax [host:]port */
-void http_init(const char *addr)
+int http_init(const char *addr, struct conf_server *server)
{
IOCHAN c;
int l;
struct sockaddr_in myaddr;
int one = 1;
const char *pp;
- int port;
+ short port;
yaz_log(YLOG_LOG, "HTTP listener %s", addr);
pp = strchr(addr, ':');
if (pp)
{
- int len = pp - addr;
- char hostname[128];
+ WRBUF w = wrbuf_alloc();
struct hostent *he;
- strncpy(hostname, addr, len);
- hostname[len] = '\0';
- if (!(he = gethostbyname(hostname))){
- yaz_log(YLOG_FATAL, "Unable to resolve '%s'", hostname);
- exit(1);
+ wrbuf_write(w, addr, pp - addr);
+ wrbuf_puts(w, "");
+
+ he = gethostbyname(wrbuf_cstr(w));
+ wrbuf_destroy(w);
+ if (!he)
+ {
+ yaz_log(YLOG_FATAL, "Unable to resolve '%s'", addr);
+ return 1;
}
-
memcpy(&myaddr.sin_addr.s_addr, he->h_addr_list[0], he->h_length);
port = atoi(pp + 1);
}
myaddr.sin_port = htons(port);
if (!(p = getprotobyname("tcp"))) {
- abort();
+ return 1;
}
if ((l = socket(PF_INET, SOCK_STREAM, p->p_proto)) < 0)
yaz_log(YLOG_FATAL|YLOG_ERRNO, "socket");
if (setsockopt(l, SOL_SOCKET, SO_REUSEADDR, (char*)
&one, sizeof(one)) < 0)
- abort();
+ return 1;
if (bind(l, (struct sockaddr *) &myaddr, sizeof myaddr) < 0)
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "bind");
- exit(1);
+ return 1;
}
if (listen(l, SOMAXCONN) < 0)
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "listen");
- exit(1);
+ return 1;
}
+ server->listener_socket = l;
+
c = iochan_create(l, http_accept, EVENT_INPUT | EVENT_EXCEPT);
+ iochan_setdata(c, server);
pazpar2_add_channel(c);
+ return 0;
}
-void http_set_proxyaddr(char *host, char *base_url)
+void http_close_server(struct conf_server *server)
{
- char *p;
- int port;
+ /* break the event_loop (select) by closing down the HTTP listener sock */
+ if (server->listener_socket)
+ {
+#ifdef WIN32
+ closesocket(server->listener_socket);
+#else
+ close(server->listener_socket);
+#endif
+ }
+}
+
+void http_set_proxyaddr(const char *host, struct conf_server *server)
+{
+ const char *p;
+ short port;
struct hostent *he;
+ WRBUF w = wrbuf_alloc();
+
+ yaz_log(YLOG_LOG, "HTTP backend %s", host);
- strcpy(myurl, base_url);
- strcpy(proxy_url, host);
p = strchr(host, ':');
- yaz_log(YLOG_DEBUG, "Proxying for %s", host);
- yaz_log(YLOG_LOG, "HTTP backend %s", proxy_url);
- if (p) {
+ if (p)
+ {
port = atoi(p + 1);
- *p = '\0';
+ wrbuf_write(w, host, p - host);
+ wrbuf_puts(w, "");
}
else
+ {
port = 80;
- if (!(he = gethostbyname(host)))
+ wrbuf_puts(w, host);
+ }
+ if (!(he = gethostbyname(wrbuf_cstr(w))))
{
- fprintf(stderr, "Failed to lookup '%s'\n", host);
+ fprintf(stderr, "Failed to lookup '%s'\n", wrbuf_cstr(w));
exit(1);
}
- proxy_addr = xmalloc(sizeof(struct sockaddr_in));
- proxy_addr->sin_family = he->h_addrtype;
- memcpy(&proxy_addr->sin_addr.s_addr, he->h_addr_list[0], he->h_length);
- proxy_addr->sin_port = htons(port);
+ wrbuf_destroy(w);
+
+ server->proxy_addr = xmalloc(sizeof(struct sockaddr_in));
+ server->proxy_addr->sin_family = he->h_addrtype;
+ memcpy(&server->proxy_addr->sin_addr.s_addr, he->h_addr_list[0], he->h_length);
+ server->proxy_addr->sin_port = htons(port);
}
static void http_fire_observers(struct http_channel *c)
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+
projects / pazpar2-moved-to-github.git / blobdiff