diff options
Diffstat (limited to 'src/transports/git.c')
| -rw-r--r-- | src/transports/git.c | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/src/transports/git.c b/src/transports/git.c deleted file mode 100644 index 7c93155a8..000000000 --- a/src/transports/git.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ - -#include "common.h" - -#include "git2.h" -#include "buffer.h" -#include "netops.h" -#include "git2/sys/transport.h" -#include "stream.h" -#include "streams/socket.h" - -#define OWNING_SUBTRANSPORT(s) ((git_subtransport *)(s)->parent.subtransport) - -static const char prefix_git[] = "git://"; -static const char cmd_uploadpack[] = "git-upload-pack"; -static const char cmd_receivepack[] = "git-receive-pack"; - -typedef struct { - git_smart_subtransport_stream parent; - git_stream *io; - const char *cmd; - char *url; - unsigned sent_command : 1; -} git_proto_stream; - -typedef struct { - git_smart_subtransport parent; - git_transport *owner; - git_proto_stream *current_stream; -} git_subtransport; - -/* - * Create a git protocol request. - * - * For example: 0035git-upload-pack /libgit2/libgit2\0host=github.com\0 - */ -static int gen_proto(git_buf *request, const char *cmd, const char *url) -{ - char *delim, *repo; - char host[] = "host="; - size_t len; - - delim = strchr(url, '/'); - if (delim == NULL) { - git_error_set(GIT_ERROR_NET, "malformed URL"); - return -1; - } - - repo = delim; - if (repo[1] == '~') - ++repo; - - delim = strchr(url, ':'); - if (delim == NULL) - delim = strchr(url, '/'); - - len = 4 + strlen(cmd) + 1 + strlen(repo) + 1 + strlen(host) + (delim - url) + 1; - - git_buf_grow(request, len); - git_buf_printf(request, "%04x%s %s%c%s", - (unsigned int)(len & 0x0FFFF), cmd, repo, 0, host); - git_buf_put(request, url, delim - url); - git_buf_putc(request, '\0'); - - if (git_buf_oom(request)) - return -1; - - return 0; -} - -static int send_command(git_proto_stream *s) -{ - git_buf request = GIT_BUF_INIT; - int error; - - if ((error = gen_proto(&request, s->cmd, s->url)) < 0) - goto cleanup; - - if ((error = git_stream__write_full(s->io, request.ptr, request.size, 0)) < 0) - goto cleanup; - - s->sent_command = 1; - -cleanup: - git_buf_dispose(&request); - return error; -} - -static int git_proto_stream_read( - git_smart_subtransport_stream *stream, - char *buffer, - size_t buf_size, - size_t *bytes_read) -{ - int error; - git_proto_stream *s = (git_proto_stream *)stream; - gitno_buffer buf; - - *bytes_read = 0; - - if (!s->sent_command && (error = send_command(s)) < 0) - return error; - - gitno_buffer_setup_fromstream(s->io, &buf, buffer, buf_size); - - if ((error = gitno_recv(&buf)) < 0) - return error; - - *bytes_read = buf.offset; - - return 0; -} - -static int git_proto_stream_write( - git_smart_subtransport_stream *stream, - const char *buffer, - size_t len) -{ - git_proto_stream *s = (git_proto_stream *)stream; - int error; - - if (!s->sent_command && (error = send_command(s)) < 0) - return error; - - return git_stream__write_full(s->io, buffer, len, 0); -} - -static void git_proto_stream_free(git_smart_subtransport_stream *stream) -{ - git_proto_stream *s; - git_subtransport *t; - - if (!stream) - return; - - s = (git_proto_stream *)stream; - t = OWNING_SUBTRANSPORT(s); - - t->current_stream = NULL; - - git_stream_close(s->io); - git_stream_free(s->io); - git__free(s->url); - git__free(s); -} - -static int git_proto_stream_alloc( - git_subtransport *t, - const char *url, - const char *cmd, - const char *host, - const char *port, - git_smart_subtransport_stream **stream) -{ - git_proto_stream *s; - - if (!stream) - return -1; - - s = git__calloc(1, sizeof(git_proto_stream)); - GIT_ERROR_CHECK_ALLOC(s); - - s->parent.subtransport = &t->parent; - s->parent.read = git_proto_stream_read; - s->parent.write = git_proto_stream_write; - s->parent.free = git_proto_stream_free; - - s->cmd = cmd; - s->url = git__strdup(url); - - if (!s->url) { - git__free(s); - return -1; - } - - if ((git_socket_stream_new(&s->io, host, port)) < 0) - return -1; - - GIT_ERROR_CHECK_VERSION(s->io, GIT_STREAM_VERSION, "git_stream"); - - *stream = &s->parent; - return 0; -} - -static int _git_uploadpack_ls( - git_subtransport *t, - const char *url, - git_smart_subtransport_stream **stream) -{ - git_net_url urldata = GIT_NET_URL_INIT; - const char *stream_url = url; - const char *host, *port; - git_proto_stream *s; - int error; - - *stream = NULL; - - if (!git__prefixcmp(url, prefix_git)) - stream_url += strlen(prefix_git); - - if ((error = git_net_url_parse(&urldata, url)) < 0) - return error; - - host = urldata.host; - port = urldata.port ? urldata.port : GIT_DEFAULT_PORT; - - error = git_proto_stream_alloc(t, stream_url, cmd_uploadpack, host, port, stream); - - git_net_url_dispose(&urldata); - - if (error < 0) { - git_proto_stream_free(*stream); - return error; - } - - s = (git_proto_stream *) *stream; - if ((error = git_stream_connect(s->io)) < 0) { - git_proto_stream_free(*stream); - return error; - } - - t->current_stream = s; - - return 0; -} - -static int _git_uploadpack( - git_subtransport *t, - const char *url, - git_smart_subtransport_stream **stream) -{ - GIT_UNUSED(url); - - if (t->current_stream) { - *stream = &t->current_stream->parent; - return 0; - } - - git_error_set(GIT_ERROR_NET, "must call UPLOADPACK_LS before UPLOADPACK"); - return -1; -} - -static int _git_receivepack_ls( - git_subtransport *t, - const char *url, - git_smart_subtransport_stream **stream) -{ - git_net_url urldata = GIT_NET_URL_INIT; - const char *stream_url = url; - git_proto_stream *s; - int error; - - *stream = NULL; - if (!git__prefixcmp(url, prefix_git)) - stream_url += strlen(prefix_git); - - if ((error = git_net_url_parse(&urldata, url)) < 0) - return error; - - error = git_proto_stream_alloc(t, stream_url, cmd_receivepack, urldata.host, urldata.port, stream); - - git_net_url_dispose(&urldata); - - if (error < 0) { - git_proto_stream_free(*stream); - return error; - } - - s = (git_proto_stream *) *stream; - - if ((error = git_stream_connect(s->io)) < 0) - return error; - - t->current_stream = s; - - return 0; -} - -static int _git_receivepack( - git_subtransport *t, - const char *url, - git_smart_subtransport_stream **stream) -{ - GIT_UNUSED(url); - - if (t->current_stream) { - *stream = &t->current_stream->parent; - return 0; - } - - git_error_set(GIT_ERROR_NET, "must call RECEIVEPACK_LS before RECEIVEPACK"); - return -1; -} - -static int _git_action( - git_smart_subtransport_stream **stream, - git_smart_subtransport *subtransport, - const char *url, - git_smart_service_t action) -{ - git_subtransport *t = (git_subtransport *) subtransport; - - switch (action) { - case GIT_SERVICE_UPLOADPACK_LS: - return _git_uploadpack_ls(t, url, stream); - - case GIT_SERVICE_UPLOADPACK: - return _git_uploadpack(t, url, stream); - - case GIT_SERVICE_RECEIVEPACK_LS: - return _git_receivepack_ls(t, url, stream); - - case GIT_SERVICE_RECEIVEPACK: - return _git_receivepack(t, url, stream); - } - - *stream = NULL; - return -1; -} - -static int _git_close(git_smart_subtransport *subtransport) -{ - git_subtransport *t = (git_subtransport *) subtransport; - - GIT_ASSERT(!t->current_stream); - - GIT_UNUSED(t); - - return 0; -} - -static void _git_free(git_smart_subtransport *subtransport) -{ - git_subtransport *t = (git_subtransport *) subtransport; - - git__free(t); -} - -int git_smart_subtransport_git(git_smart_subtransport **out, git_transport *owner, void *param) -{ - git_subtransport *t; - - GIT_UNUSED(param); - - if (!out) - return -1; - - t = git__calloc(1, sizeof(git_subtransport)); - GIT_ERROR_CHECK_ALLOC(t); - - t->owner = owner; - t->parent.action = _git_action; - t->parent.close = _git_close; - t->parent.free = _git_free; - - *out = (git_smart_subtransport *) t; - return 0; -} |