#include "url.h"
#include "submodule.h"
#include "string-list.h"
+#include "sha1-array.h"
/* rsync support */
return;
}
- if (hexval(buffer[0]) > 0xf)
+ if (!isxdigit(buffer[0]))
continue;
len = strlen(buffer);
if (len && buffer[len - 1] == '\n')
/* Follow symbolic refs (mainly for HEAD). */
localname = ref->peer_ref->name;
remotename = ref->name;
- tmp = resolve_ref_unsafe(localname, sha, 1, &flag);
+ tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING,
+ sha, &flag);
if (tmp && flag & REF_ISSYMREF &&
- !prefixcmp(tmp, "refs/heads/"))
+ starts_with(tmp, "refs/heads/"))
localname = tmp;
/* Both source and destination must be local branches. */
- if (!localname || prefixcmp(localname, "refs/heads/"))
+ if (!localname || !starts_with(localname, "refs/heads/"))
continue;
- if (!remotename || prefixcmp(remotename, "refs/heads/"))
+ if (!remotename || !starts_with(remotename, "refs/heads/"))
continue;
if (!pretend)
static const char *rsync_url(const char *url)
{
- return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
+ if (!starts_with(url, "rsync://"))
+ skip_prefix(url, "rsync:", &url);
+ return url;
}
static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
struct ref dummy = {NULL}, *tail = &dummy;
- struct child_process rsync;
+ struct child_process rsync = CHILD_PROCESS_INIT;
const char *args[5];
int temp_dir_len;
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addstr(&buf, "/refs");
- memset(&rsync, 0, sizeof(rsync));
rsync.argv = args;
rsync.stdout_to_stderr = 1;
args[0] = "rsync";
static int fetch_objs_via_rsync(struct transport *transport,
int nr_objs, struct ref **to_fetch)
{
- struct strbuf buf = STRBUF_INIT;
- struct child_process rsync;
- const char *args[8];
- int result;
+ struct child_process rsync = CHILD_PROCESS_INIT;
- strbuf_addstr(&buf, rsync_url(transport->url));
- strbuf_addstr(&buf, "/objects/");
-
- memset(&rsync, 0, sizeof(rsync));
- rsync.argv = args;
rsync.stdout_to_stderr = 1;
- args[0] = "rsync";
- args[1] = (transport->verbose > 1) ? "-rv" : "-r";
- args[2] = "--ignore-existing";
- args[3] = "--exclude";
- args[4] = "info";
- args[5] = buf.buf;
- args[6] = get_object_directory();
- args[7] = NULL;
+ argv_array_push(&rsync.args, "rsync");
+ argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r");
+ argv_array_push(&rsync.args, "--ignore-existing");
+ argv_array_push(&rsync.args, "--exclude");
+ argv_array_push(&rsync.args, "info");
+ argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url));
+ argv_array_push(&rsync.args, get_object_directory());
/* NEEDSWORK: handle one level of alternates */
- result = run_command(&rsync);
-
- strbuf_release(&buf);
-
- return result;
+ return run_command(&rsync);
}
static int write_one_ref(const char *name, const unsigned char *sha1,
FILE *f;
/* when called via for_each_ref(), flags is non-zero */
- if (flags && prefixcmp(name, "refs/heads/") &&
- prefixcmp(name, "refs/tags/"))
+ if (flags && !starts_with(name, "refs/heads/") &&
+ !starts_with(name, "refs/tags/"))
return 0;
strbuf_addstr(buf, name);
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
int result = 0, i;
- struct child_process rsync;
+ struct child_process rsync = CHILD_PROCESS_INIT;
const char *args[10];
if (flags & TRANSPORT_PUSH_MIRROR)
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addch(&buf, '/');
- memset(&rsync, 0, sizeof(rsync));
rsync.argv = args;
rsync.stdout_to_stderr = 1;
i = 0;
struct child_process *conn;
int fd[2];
unsigned got_remote_heads : 1;
- struct extra_have_objects extra_have;
+ struct sha1_array extra_have;
+ struct sha1_array shallow;
};
static int set_git_option(struct git_transport_options *opts,
} else if (!strcmp(name, TRANS_OPT_KEEP)) {
opts->keep = !!value;
return 0;
+ } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) {
+ opts->update_shallow = !!value;
+ return 0;
} else if (!strcmp(name, TRANS_OPT_DEPTH)) {
if (!value)
opts->depth = 0;
die("transport: invalid depth option '%s'", value);
}
return 0;
+ } else if (!strcmp(name, TRANS_OPT_PUSH_CERT)) {
+ opts->push_cert = !!value;
+ return 0;
}
return 1;
}
connect_setup(transport, for_push, 0);
get_remote_heads(data->fd[0], NULL, 0, &refs,
- for_push ? REF_NORMAL : 0, &data->extra_have);
+ for_push ? REF_NORMAL : 0,
+ &data->extra_have,
+ &data->shallow);
data->got_remote_heads = 1;
return refs;
int nr_heads, struct ref **to_fetch)
{
struct git_transport_data *data = transport->data;
- const struct ref *refs;
+ struct ref *refs;
char *dest = xstrdup(transport->url);
struct fetch_pack_args args;
struct ref *refs_tmp = NULL;
args.depth = data->options.depth;
args.check_self_contained_and_connected =
data->options.check_self_contained_and_connected;
+ args.cloning = transport->cloning;
+ args.update_shallow = data->options.update_shallow;
if (!data->got_remote_heads) {
connect_setup(transport, 0, 0);
- get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0, NULL);
+ get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
+ NULL, &data->shallow);
data->got_remote_heads = 1;
}
refs = fetch_pack(&args, data->fd, data->conn,
refs_tmp ? refs_tmp : transport->remote_refs,
- dest, to_fetch, nr_heads,
+ dest, to_fetch, nr_heads, &data->shallow,
&transport->pack_lockfile);
close(data->fd[0]);
close(data->fd[1]);
- if (finish_connect(data->conn))
+ if (finish_connect(data->conn)) {
+ free_refs(refs);
refs = NULL;
+ }
data->conn = NULL;
data->got_remote_heads = 0;
data->options.self_contained_and_connected =
args.self_contained_and_connected;
free_refs(refs_tmp);
-
+ free_refs(refs);
free(dest);
return (refs ? 0 : -1);
}
print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
else if (is_null_sha1(ref->old_sha1))
print_ref_status('*',
- (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+ (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
"[new branch]"),
ref, ref->peer_ref, NULL, porcelain);
else {
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
"stale info", porcelain);
break;
+ case REF_STATUS_REJECT_SHALLOW:
+ print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+ "new shallow roots not allowed", porcelain);
+ break;
case REF_STATUS_REMOTE_REJECT:
print_ref_status('!', "[remote rejected]", ref,
ref->deletion ? NULL : ref->peer_ref,
unsigned char head_sha1[20];
char *head;
- head = resolve_refdup("HEAD", head_sha1, 1, NULL);
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
if (verbose) {
for (ref = refs; ref; ref = ref->next)
*reject_reasons |= REJECT_NEEDS_FORCE;
}
}
+ free(head);
}
void transport_verify_remote_names(int nr_heads, const char **heads)
struct ref *tmp_refs;
connect_setup(transport, 1, 0);
- get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL, NULL);
+ get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
+ NULL, &data->shallow);
data->got_remote_heads = 1;
}
args.progress = transport->progress;
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
+ args.push_cert = !!(flags & TRANSPORT_PUSH_CERT);
+ args.url = transport->url;
ret = send_pack(&args, data->fd, data->conn, remote_refs,
&data->extra_have);
return strchr(url, ':') - url;
}
+static const struct string_list *protocol_whitelist(void)
+{
+ static int enabled = -1;
+ static struct string_list allowed = STRING_LIST_INIT_DUP;
+
+ if (enabled < 0) {
+ const char *v = getenv("GIT_ALLOW_PROTOCOL");
+ if (v) {
+ string_list_split(&allowed, v, ':', -1);
+ string_list_sort(&allowed);
+ enabled = 1;
+ } else {
+ enabled = 0;
+ }
+ }
+
+ return enabled ? &allowed : NULL;
+}
+
+int is_transport_allowed(const char *type)
+{
+ const struct string_list *allowed = protocol_whitelist();
+ return !allowed || string_list_has_string(allowed, type);
+}
+
+void transport_check_allowed(const char *type)
+{
+ if (!is_transport_allowed(type))
+ die("transport '%s' not allowed", type);
+}
+
+int transport_restrict_protocols(void)
+{
+ return !!protocol_whitelist();
+}
+
struct transport *transport_get(struct remote *remote, const char *url)
{
const char *helper;
while (is_urlschemechar(p == url, *p))
p++;
- if (!prefixcmp(p, "::"))
+ if (starts_with(p, "::"))
helper = xstrndup(url, p - url);
}
if (helper) {
transport_helper_init(ret, helper);
- } else if (!prefixcmp(url, "rsync:")) {
+ } else if (starts_with(url, "rsync:")) {
+ transport_check_allowed("rsync");
ret->get_refs_list = get_refs_via_rsync;
ret->fetch = fetch_objs_via_rsync;
ret->push = rsync_transport_push;
ret->smart_options = NULL;
} else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
+ transport_check_allowed("file");
ret->data = data;
ret->get_refs_list = get_refs_from_bundle;
ret->fetch = fetch_refs_from_bundle;
ret->disconnect = close_bundle;
ret->smart_options = NULL;
} else if (!is_url(url)
- || !prefixcmp(url, "file://")
- || !prefixcmp(url, "git://")
- || !prefixcmp(url, "ssh://")
- || !prefixcmp(url, "git+ssh://")
- || !prefixcmp(url, "ssh+git://")) {
- /* These are builtin smart transports. */
+ || starts_with(url, "file://")
+ || starts_with(url, "git://")
+ || starts_with(url, "ssh://")
+ || starts_with(url, "git+ssh://")
+ || starts_with(url, "ssh+git://")) {
+ /*
+ * These are builtin smart transports; "allowed" transports
+ * will be checked individually in git_connect.
+ */
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
ret->set_option = NULL;
} else {
/* Unknown protocol in URL. Pass to external handler. */
int len = external_specification_len(url);
- char *handler = xmalloc(len + 1);
- handler[len] = 0;
- strncpy(handler, url, len);
+ char *handler = xmemdupz(url, len);
transport_helper_init(ret, handler);
}
{
int ret = 0, x;
struct ref *r;
- struct child_process proc;
+ struct child_process proc = CHILD_PROCESS_INIT;
struct strbuf buf;
const char *argv[4];
argv[2] = transport->url;
argv[3] = NULL;
- memset(&proc, 0, sizeof(proc));
proc.argv = argv;
proc.in = -1;
return transport->push(transport, refspec_nr, refspec, flags);
} else if (transport->push_refs) {
- struct ref *remote_refs =
- transport->get_refs_list(transport, 1);
+ struct ref *remote_refs;
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
int verbose = (transport->verbose > 0);
int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
int push_ret, ret, err;
+ if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
+ return -1;
+
+ remote_refs = transport->get_refs_list(transport, 1);
+
if (flags & TRANSPORT_PUSH_ALL)
match_flags |= MATCH_REFS_ALL;
if (flags & TRANSPORT_PUSH_MIRROR)
if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
TRANSPORT_RECURSE_SUBMODULES_CHECK)) && !is_bare_repository()) {
struct ref *ref = remote_refs;
- struct string_list needs_pushing;
+ struct string_list needs_pushing = STRING_LIST_INIT_DUP;
- memset(&needs_pushing, 0, sizeof(struct string_list));
- needs_pushing.strdup_strings = 1;
for (; ref; ref = ref->next)
if (!is_null_sha1(ref->new_sha1) &&
find_unpushed_submodules(ref->new_sha1,
while (other[len-1] == '/')
other[--len] = '\0';
if (len < 8 || memcmp(other + len - 8, "/objects", 8))
- return 0;
+ goto out;
/* Is this a git repository with refs? */
memcpy(other + len - 8, "/refs", 6);
if (!is_directory(other))
- return 0;
+ goto out;
other[len - 8] = '\0';
remote = remote_get(other);
transport = transport_get(remote, other);
extra = extra->next)
cb->fn(extra, cb->data);
transport_disconnect(transport);
+out:
free(other);
return 0;
}