/* This file is part of Pazpar2.
- Copyright (C) 2006-2008 Index Data
+ Copyright (C) 2006-2011 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
#include <config.h>
#endif
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
#include <stdio.h>
#ifdef WIN32
#include <winsock.h>
#include <yaz/yaz-util.h>
#include <yaz/comstack.h>
#include <yaz/nmem.h>
+#include <yaz/mutex.h>
-#include "util.h"
-#include "eventl.h"
-#include "pazpar2.h"
+#include "ppmutex.h"
+#include "session.h"
#include "http.h"
-#include "http_command.h"
#define MAX_HTTP_HEADER 4096
-static void proxy_io(IOCHAN i, int event);
-static struct http_channel *http_create(const char *addr);
-static void http_destroy(IOCHAN i);
+#ifdef WIN32
+#define strncasecmp _strnicmp
+#define strcasecmp _stricmp
+#endif
+
+struct http_buf
+{
+#define HTTP_BUF_SIZE 4096
+ char buf[4096];
+ int offset;
+ int len;
+ struct http_buf *next;
+};
+
-// 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 void proxy_io(IOCHAN i, int event);
+static struct http_channel *http_channel_create(http_server_t http_server,
+ const char *addr,
+ struct conf_server *server);
+static void http_channel_destroy(IOCHAN i);
+static http_server_t http_server_create(void);
+static void http_server_incref(http_server_t hs);
+
+struct http_server
+{
+ YAZ_MUTEX mutex;
+ int listener_socket;
+ int ref_count;
+ http_sessions_t http_sessions;
+ struct sockaddr_in *proxy_addr;
+ FILE *record_file;
+};
struct http_channel_observer_s {
void *data;
};
-static const char *http_lookup_header(struct http_header *header,
- const char *name)
+const char *http_lookup_header(struct http_header *header,
+ const char *name)
{
for (; header; header = header->next)
if (!strcasecmp(name, header->name))
return 0;
}
-static struct http_buf *http_buf_create()
+static struct http_buf *http_buf_create(http_server_t hs)
{
- struct http_buf *r;
-
- if (http_buf_freelist)
- {
- r = http_buf_freelist;
- http_buf_freelist = http_buf_freelist->next;
- }
- else
- r = xmalloc(sizeof(struct http_buf));
+ struct http_buf *r = xmalloc(sizeof(*r));
r->offset = 0;
r->len = 0;
r->next = 0;
return r;
}
-static void http_buf_destroy(struct http_buf *b)
+static void http_buf_destroy(http_server_t hs, struct http_buf *b)
{
- b->next = http_buf_freelist;
- http_buf_freelist = b;
+ xfree(b);
}
-static void http_buf_destroy_queue(struct http_buf *b)
+static void http_buf_destroy_queue(http_server_t hs, struct http_buf *b)
{
struct http_buf *p;
while (b)
{
p = b->next;
- http_buf_destroy(b);
+ http_buf_destroy(hs, b);
b = p;
}
}
-static struct http_buf *http_buf_bybuf(char *b, int len)
+static struct http_buf *http_buf_bybuf(http_server_t hs, char *b, int len)
{
struct http_buf *res = 0;
struct http_buf **p = &res;
int tocopy = len;
if (tocopy > HTTP_BUF_SIZE)
tocopy = HTTP_BUF_SIZE;
- *p = http_buf_create();
+ *p = http_buf_create(hs);
memcpy((*p)->buf, b, tocopy);
(*p)->len = tocopy;
len -= tocopy;
*queue = b;
}
-static struct http_buf *http_buf_bywrbuf(WRBUF wrbuf)
+static struct http_buf *http_buf_bywrbuf(http_server_t hs, WRBUF wrbuf)
{
// Heavens to Betsy (buf)!
- return http_buf_bybuf(wrbuf_buf(wrbuf), wrbuf_len(wrbuf));
+ return http_buf_bybuf(hs, wrbuf_buf(wrbuf), wrbuf_len(wrbuf));
}
// Non-destructively collapse chain of buffers into a string (max *len)
}
// Ddestructively munch up to len from head of queue.
-static int http_buf_read(struct http_buf **b, char *buf, int len)
+static int http_buf_read(http_server_t hs,
+ struct http_buf **b, char *buf, int len)
{
int rd = 0;
while ((*b) && rd < len)
else
{
struct http_buf *n = (*b)->next;
- http_buf_destroy(*b);
+ http_buf_destroy(hs, *b);
*b = n;
}
}
*(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;
{
char *start = nmem_malloc(c->nmem, len+1);
char *buf = start;
- if (http_buf_read(queue, buf, len) < len)
+ if (http_buf_read(c->http_server, queue, buf, len) < len)
{
yaz_log(YLOG_WARN, "http_buf_read < len (%d)", len);
return 0;
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);
}
if (r->payload)
wrbuf_puts(c->wrbuf, r->payload);
- return http_buf_bywrbuf(c->wrbuf);
+ return http_buf_bywrbuf(c->http_server, c->wrbuf);
}
// Serialize a HTTP request
yaz_log(YLOG_LOG, "WRITING TO PROXY:\n%s\n----",
wrbuf_cstr(c->wrbuf));
#endif
- return http_buf_bywrbuf(c->wrbuf);
+ return http_buf_bywrbuf(c->http_server, c->wrbuf);
}
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->http_server->proxy_addr && !strstr(rq->path, "search.pz2"))
return 1;
return 0;
}
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
{
&one, sizeof(one)) < 0)
abort();
enable_nonblock(sock);
- if (connect(sock, (struct sockaddr *) proxy_addr,
- sizeof(*proxy_addr)) < 0)
+ if (connect(sock, (struct sockaddr *)
+ c->server->http_server->proxy_addr,
+ sizeof(*c->server->http_server->proxy_addr)) < 0)
{
if (!is_inprogress())
{
p->first_response = 1;
c->proxy = p;
// We will add EVENT_OUTPUT below
- p->iochan = iochan_create(sock, proxy_io, EVENT_INPUT);
+ p->iochan = iochan_create(sock, proxy_io, EVENT_INPUT, "http_proxy");
iochan_setdata(p->iochan, p);
- pazpar2_add_channel(p->iochan);
+
+ iochan_add(ser->iochan_man, p->iochan);
}
// Do _not_ modify Host: header, just checking it's existence
// 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);
}
if (!hb)
{
yaz_log(YLOG_WARN, "Failed to serialize HTTP response");
- http_destroy(ch->iochan);
+ http_channel_destroy(ch->iochan);
}
else
{
static void http_io(IOCHAN i, int event)
{
struct http_channel *hc = iochan_getdata(i);
-
- switch (event)
+ while (event)
{
- int res, reqlen;
- struct http_buf *htbuf;
-
- case EVENT_INPUT:
- htbuf = http_buf_create();
+ if (event == EVENT_INPUT)
+ {
+ int res, reqlen;
+ struct http_buf *htbuf;
+
+ htbuf = http_buf_create(hc->http_server);
res = recv(iochan_getfd(i), htbuf->buf, HTTP_BUF_SIZE -1, 0);
if (res == -1 && errno == EAGAIN)
{
- http_buf_destroy(htbuf);
+ http_buf_destroy(hc->http_server, htbuf);
return;
}
if (res <= 0)
{
- http_buf_destroy(htbuf);
- http_destroy(i);
+#if HAVE_SYS_TIME_H
+ if (hc->http_server->record_file)
+ {
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+ fprintf(hc->http_server->record_file, "r %lld %lld %lld 0\n",
+ (long long) tv.tv_sec, (long long) tv.tv_usec,
+ (long long) iochan_getfd(i));
+ }
+#endif
+ http_buf_destroy(hc->http_server, htbuf);
+ fflush(hc->http_server->record_file);
+ http_channel_destroy(i);
return;
}
htbuf->buf[res] = '\0';
return;
// we have a complete HTTP request
nmem_reset(hc->nmem);
+#if HAVE_SYS_TIME_H
+ if (hc->http_server->record_file)
+ {
+ struct timeval tv;
+ int sz = 0;
+ struct http_buf *hb;
+ for (hb = hc->iqueue; hb; hb = hb->next)
+ sz += hb->len;
+ gettimeofday(&tv, 0);
+ fprintf(hc->http_server->record_file, "r %lld %lld %lld %d\n",
+ (long long) tv.tv_sec, (long long) tv.tv_usec,
+ (long long) iochan_getfd(i), sz);
+ for (hb = hc->iqueue; hb; hb = hb->next)
+ fwrite(hb->buf, 1, hb->len, hc->http_server->record_file);
+ fflush(hc->http_server->record_file);
+ }
+ #endif
if (!(hc->request = http_parse_request(hc, &hc->iqueue, reqlen)))
{
yaz_log(YLOG_WARN, "Failed to parse request");
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
http_command(hc);
}
}
- break;
- case EVENT_OUTPUT:
+ }
+ else if (event == EVENT_OUTPUT)
+ {
+ event = 0;
if (hc->oqueue)
{
struct http_buf *wb = hc->oqueue;
- res = send(iochan_getfd(hc->iochan), wb->buf + wb->offset, wb->len, 0);
+ int res;
+ res = send(iochan_getfd(hc->iochan),
+ wb->buf + wb->offset, wb->len, 0);
if (res <= 0)
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "write");
- http_destroy(i);
+ http_channel_destroy(i);
return;
}
if (res == wb->len)
{
+#if HAVE_SYS_TIME_H
+ if (hc->http_server->record_file)
+ {
+ struct timeval tv;
+ int sz = wb->offset + wb->len;
+ gettimeofday(&tv, 0);
+ fprintf(hc->http_server->record_file, "w %lld %lld %lld %d\n",
+ (long long) tv.tv_sec, (long long) tv.tv_usec,
+ (long long) iochan_getfd(i), sz);
+ fwrite(wb->buf, 1, wb->offset + wb->len,
+ hc->http_server->record_file);
+ fputc('\n', hc->http_server->record_file);
+ fflush(hc->http_server->record_file);
+ }
+ #endif
hc->oqueue = hc->oqueue->next;
- http_buf_destroy(wb);
+ http_buf_destroy(hc->http_server, wb);
}
else
{
wb->len -= res;
wb->offset += res;
}
- if (!hc->oqueue) {
+ if (!hc->oqueue)
+ {
if (!hc->keep_alive)
{
- http_destroy(i);
+ http_channel_destroy(i);
return;
}
else
{
iochan_clearflag(i, EVENT_OUTPUT);
if (hc->iqueue)
- iochan_setevent(hc->iochan, EVENT_INPUT);
+ event = EVENT_INPUT;
}
}
}
-
if (!hc->oqueue && hc->proxy && !hc->proxy->iochan)
- http_destroy(i); // Server closed; we're done
- break;
- default:
+ http_channel_destroy(i); // Server closed; we're done
+ }
+ else
+ {
yaz_log(YLOG_WARN, "Unexpected event on connection");
- http_destroy(i);
+ http_channel_destroy(i);
+ event = 0;
+ }
}
}
struct http_buf *htbuf;
case EVENT_INPUT:
- htbuf = http_buf_create();
+ htbuf = http_buf_create(hc->http_server);
res = recv(iochan_getfd(pi), htbuf->buf, HTTP_BUF_SIZE -1, 0);
if (res == 0 || (res < 0 && !is_inprogress()))
{
{
yaz_log(YLOG_WARN, "Proxy read came up short");
// Close channel and alert client HTTP channel that we're gone
- http_buf_destroy(htbuf);
+ http_buf_destroy(hc->http_server, htbuf);
#ifdef WIN32
closesocket(iochan_getfd(pi));
#else
}
else
{
- http_destroy(hc->iochan);
+ http_channel_destroy(hc->iochan);
return;
}
}
if (res <= 0)
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "write");
- http_destroy(hc->iochan);
+ http_channel_destroy(hc->iochan);
return;
}
if (res == htbuf->len)
{
struct http_buf *np = htbuf->next;
- http_buf_destroy(htbuf);
+ http_buf_destroy(hc->http_server, htbuf);
pc->oqueue = np;
}
else
break;
default:
yaz_log(YLOG_WARN, "Unexpected event on connection");
- http_destroy(hc->iochan);
+ http_channel_destroy(hc->iochan);
}
}
static void http_destroy_observers(struct http_channel *c);
// Cleanup channel
-static void http_destroy(IOCHAN i)
+static void http_channel_destroy(IOCHAN i)
{
struct http_channel *s = iochan_getdata(i);
+ http_server_t http_server;
if (s->proxy)
{
#endif
iochan_destroy(s->proxy->iochan);
}
- http_buf_destroy_queue(s->proxy->oqueue);
+ http_buf_destroy_queue(s->http_server, s->proxy->oqueue);
xfree(s->proxy);
}
- http_buf_destroy_queue(s->iqueue);
- http_buf_destroy_queue(s->oqueue);
+ http_buf_destroy_queue(s->http_server, s->iqueue);
+ http_buf_destroy_queue(s->http_server, s->oqueue);
http_fire_observers(s);
http_destroy_observers(s);
- s->next = http_channel_freelist;
- http_channel_freelist = s;
+
+ http_server = s->http_server; /* save it for destroy (decref) */
+
+ http_server_destroy(http_server);
+
#ifdef WIN32
closesocket(iochan_getfd(i));
#else
close(iochan_getfd(i));
#endif
iochan_destroy(i);
+ nmem_destroy(s->nmem);
+ wrbuf_destroy(s->wrbuf);
+ xfree(s);
}
-static struct http_channel *http_create(const char *addr)
+static struct http_channel *http_channel_create(http_server_t hs,
+ const char *addr,
+ struct conf_server *server)
{
- struct http_channel *r = http_channel_freelist;
+ struct http_channel *r;
- if (r)
- {
- http_channel_freelist = r->next;
- nmem_reset(r->nmem);
- wrbuf_rewind(r->wrbuf);
- }
- else
- {
- r = xmalloc(sizeof(struct http_channel));
- r->nmem = nmem_create();
- r->wrbuf = wrbuf_alloc();
- }
+ r = xmalloc(sizeof(struct http_channel));
+ r->nmem = nmem_create();
+ r->wrbuf = wrbuf_alloc();
+
+ http_server_incref(hs);
+ r->http_server = hs;
+ r->http_sessions = hs->http_sessions;
+ assert(r->http_sessions);
+ r->server = server;
r->proxy = 0;
r->iochan = 0;
r->iqueue = r->oqueue = 0;
int s;
IOCHAN c;
struct http_channel *ch;
+ struct conf_server *server = iochan_getdata(i);
len = sizeof addr;
if ((s = accept(fd, (struct sockaddr *) &addr, &len)) < 0)
enable_nonblock(s);
yaz_log(YLOG_DEBUG, "New command connection");
- c = iochan_create(s, http_io, EVENT_INPUT | EVENT_EXCEPT);
+ c = iochan_create(s, http_io, EVENT_INPUT | EVENT_EXCEPT, "http_session_socket");
- ch = http_create(inet_ntoa(addr.sin_addr));
+ ch = http_channel_create(server->http_server, inet_ntoa(addr.sin_addr),
+ server);
ch->iochan = c;
iochan_setdata(c, ch);
-
- pazpar2_add_channel(c);
+ iochan_add(server->iochan_man, c);
}
-static int listener_socket = 0;
-
/* Create a http-channel listener, syntax [host:]port */
-int http_init(const char *addr)
+int http_init(const char *addr, struct conf_server *server,
+ const char *record_fname)
{
IOCHAN c;
int l;
int one = 1;
const char *pp;
short port;
+ FILE *record_file = 0;
yaz_log(YLOG_LOG, "HTTP listener %s", addr);
+
+ if (record_fname)
+ {
+ record_file = fopen(record_fname, "wb");
+ if (!record_file)
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "fopen %s", record_fname);
+ return 1;
+ }
+ }
+
memset(&myaddr, 0, sizeof myaddr);
myaddr.sin_family = AF_INET;
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);
+ 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);
}
return 1;
}
- listener_socket = l;
+ server->http_server = http_server_create();
+
+ server->http_server->record_file = record_file;
+ server->http_server->listener_socket = l;
+
+ c = iochan_create(l, http_accept, EVENT_INPUT | EVENT_EXCEPT, "http_server");
+ iochan_setdata(c, server);
- c = iochan_create(l, http_accept, EVENT_INPUT | EVENT_EXCEPT);
- pazpar2_add_channel(c);
+ iochan_add(server->iochan_man, c);
return 0;
}
-void http_close_server(void)
+void http_close_server(struct conf_server *server)
{
/* break the event_loop (select) by closing down the HTTP listener sock */
- if (listener_socket)
+ if (server->http_server->listener_socket)
{
#ifdef WIN32
- closesocket(listener_socket);
+ closesocket(server->http_server->listener_socket);
#else
- close(listener_socket);
+ close(server->http_server->listener_socket);
#endif
}
}
-void http_set_proxyaddr(char *host, char *base_url)
+void http_set_proxyaddr(const char *host, struct conf_server *server)
{
- char *p;
+ 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->http_server->proxy_addr = xmalloc(sizeof(struct sockaddr_in));
+ server->http_server->proxy_addr->sin_family = he->h_addrtype;
+ memcpy(&server->http_server->proxy_addr->sin_addr.s_addr,
+ he->h_addr_list[0], he->h_length);
+ server->http_server->proxy_addr->sin_port = htons(port);
}
static void http_fire_observers(struct http_channel *c)
obs->data2 = data2;
}
+http_server_t http_server_create(void)
+{
+ http_server_t hs = xmalloc(sizeof(*hs));
+ hs->mutex = 0;
+ hs->proxy_addr = 0;
+ hs->ref_count = 1;
+ hs->http_sessions = 0;
+
+ hs->record_file = 0;
+ return hs;
+}
+
+void http_server_destroy(http_server_t hs)
+{
+ if (hs)
+ {
+ int r;
+
+ yaz_mutex_enter(hs->mutex); /* OK: hs->mutex may be NULL */
+ r = --(hs->ref_count);
+ yaz_mutex_leave(hs->mutex);
+
+ if (r == 0)
+ {
+ http_sessions_destroy(hs->http_sessions);
+ xfree(hs->proxy_addr);
+ yaz_mutex_destroy(&hs->mutex);
+ if (hs->record_file)
+ fclose(hs->record_file);
+ xfree(hs);
+ }
+ }
+}
+
+void http_server_incref(http_server_t hs)
+{
+ assert(hs);
+ yaz_mutex_enter(hs->mutex);
+ (hs->ref_count)++;
+ yaz_mutex_leave(hs->mutex);
+}
+
+void http_mutex_init(struct conf_server *server)
+{
+ assert(server);
+
+ assert(server->http_server->mutex == 0);
+ pazpar2_mutex_create(&server->http_server->mutex, "http_server");
+ server->http_server->http_sessions = http_sessions_create();
+}
/*
* 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