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-rw-r--r--http-backend.c116
1 files changed, 69 insertions, 47 deletions
diff --git a/http-backend.c b/http-backend.c
index 59ad7da605..b6c0484fb2 100644
--- a/http-backend.c
+++ b/http-backend.c
@@ -7,6 +7,7 @@
#include "run-command.h"
#include "string-list.h"
#include "url.h"
+#include "argv-array.h"
static const char content_type[] = "Content-Type";
static const char content_length[] = "Content-Length";
@@ -69,7 +70,7 @@ static void format_write(int fd, const char *fmt, ...)
if (n >= sizeof(buffer))
die("protocol error: impossibly long line");
- safe_write(fd, buffer, n);
+ write_or_die(fd, buffer, n);
}
static void http_status(unsigned code, const char *msg)
@@ -110,7 +111,7 @@ static void hdr_cache_forever(void)
static void end_headers(void)
{
- safe_write(1, "\r\n", 2);
+ write_or_die(1, "\r\n", 2);
}
__attribute__((format (printf, 1, 2)))
@@ -156,7 +157,7 @@ static void send_strbuf(const char *type, struct strbuf *buf)
hdr_int(content_length, buf->len);
hdr_str(content_type, type);
end_headers();
- safe_write(1, buf->buf, buf->len);
+ write_or_die(1, buf->buf, buf->len);
}
static void send_local_file(const char *the_type, const char *name)
@@ -184,7 +185,7 @@ static void send_local_file(const char *the_type, const char *name)
die_errno("Cannot read '%s'", p);
if (!n)
break;
- safe_write(1, buf, n);
+ write_or_die(1, buf, n);
}
close(fd);
free(buf);
@@ -218,40 +219,36 @@ static void get_idx_file(char *name)
send_local_file("application/x-git-packed-objects-toc", name);
}
-static int http_config(const char *var, const char *value, void *cb)
+static void http_config(void)
{
- if (!strcmp(var, "http.getanyfile")) {
- getanyfile = git_config_bool(var, value);
- return 0;
- }
+ int i, value = 0;
+ struct strbuf var = STRBUF_INIT;
- if (!prefixcmp(var, "http.")) {
- int i;
+ git_config_get_bool("http.getanyfile", &getanyfile);
- for (i = 0; i < ARRAY_SIZE(rpc_service); i++) {
- struct rpc_service *svc = &rpc_service[i];
- if (!strcmp(var + 5, svc->config_name)) {
- svc->enabled = git_config_bool(var, value);
- return 0;
- }
- }
+ for (i = 0; i < ARRAY_SIZE(rpc_service); i++) {
+ struct rpc_service *svc = &rpc_service[i];
+ strbuf_addf(&var, "http.%s", svc->config_name);
+ if (!git_config_get_bool(var.buf, &value))
+ svc->enabled = value;
+ strbuf_reset(&var);
}
- /* we are not interested in parsing any other configuration here */
- return 0;
+ strbuf_release(&var);
}
static struct rpc_service *select_service(const char *name)
{
+ const char *svc_name;
struct rpc_service *svc = NULL;
int i;
- if (prefixcmp(name, "git-"))
+ if (!skip_prefix(name, "git-", &svc_name))
forbidden("Unsupported service: '%s'", name);
for (i = 0; i < ARRAY_SIZE(rpc_service); i++) {
struct rpc_service *s = &rpc_service[i];
- if (!strcmp(s->name, name + 4)) {
+ if (!strcmp(s->name, svc_name)) {
svc = s;
break;
}
@@ -317,10 +314,8 @@ static void run_service(const char **argv)
const char *encoding = getenv("HTTP_CONTENT_ENCODING");
const char *user = getenv("REMOTE_USER");
const char *host = getenv("REMOTE_ADDR");
- char *env[3];
- struct strbuf buf = STRBUF_INIT;
int gzipped_request = 0;
- struct child_process cld;
+ struct child_process cld = CHILD_PROCESS_INIT;
if (encoding && !strcmp(encoding, "gzip"))
gzipped_request = 1;
@@ -332,17 +327,13 @@ static void run_service(const char **argv)
if (!host || !*host)
host = "(none)";
- memset(&env, 0, sizeof(env));
- strbuf_addf(&buf, "GIT_COMMITTER_NAME=%s", user);
- env[0] = strbuf_detach(&buf, NULL);
+ if (!getenv("GIT_COMMITTER_NAME"))
+ argv_array_pushf(&cld.env_array, "GIT_COMMITTER_NAME=%s", user);
+ if (!getenv("GIT_COMMITTER_EMAIL"))
+ argv_array_pushf(&cld.env_array,
+ "GIT_COMMITTER_EMAIL=%s@http.%s", user, host);
- strbuf_addf(&buf, "GIT_COMMITTER_EMAIL=%s@http.%s", user, host);
- env[1] = strbuf_detach(&buf, NULL);
- env[2] = NULL;
-
- memset(&cld, 0, sizeof(cld));
cld.argv = argv;
- cld.env = (const char *const *)env;
if (gzipped_request)
cld.in = -1;
cld.git_cmd = 1;
@@ -357,25 +348,24 @@ static void run_service(const char **argv)
if (finish_command(&cld))
exit(1);
- free(env[0]);
- free(env[1]);
- strbuf_release(&buf);
}
static int show_text_ref(const char *name, const unsigned char *sha1,
int flag, void *cb_data)
{
+ const char *name_nons = strip_namespace(name);
struct strbuf *buf = cb_data;
struct object *o = parse_object(sha1);
if (!o)
return 0;
- strbuf_addf(buf, "%s\t%s\n", sha1_to_hex(sha1), name);
+ strbuf_addf(buf, "%s\t%s\n", sha1_to_hex(sha1), name_nons);
if (o->type == OBJ_TAG) {
o = deref_tag(o, name, 0);
if (!o)
return 0;
- strbuf_addf(buf, "%s\t%s^{}\n", sha1_to_hex(o->sha1), name);
+ strbuf_addf(buf, "%s\t%s^{}\n", sha1_to_hex(o->sha1),
+ name_nons);
}
return 0;
}
@@ -406,12 +396,42 @@ static void get_info_refs(char *arg)
} else {
select_getanyfile();
- for_each_ref(show_text_ref, &buf);
+ for_each_namespaced_ref(show_text_ref, &buf);
send_strbuf("text/plain", &buf);
}
strbuf_release(&buf);
}
+static int show_head_ref(const char *refname, const unsigned char *sha1,
+ int flag, void *cb_data)
+{
+ struct strbuf *buf = cb_data;
+
+ if (flag & REF_ISSYMREF) {
+ unsigned char unused[20];
+ const char *target = resolve_ref_unsafe(refname,
+ RESOLVE_REF_READING,
+ unused, NULL);
+ const char *target_nons = strip_namespace(target);
+
+ strbuf_addf(buf, "ref: %s\n", target_nons);
+ } else {
+ strbuf_addf(buf, "%s\n", sha1_to_hex(sha1));
+ }
+
+ return 0;
+}
+
+static void get_head(char *arg)
+{
+ struct strbuf buf = STRBUF_INIT;
+
+ select_getanyfile();
+ head_ref_namespaced(show_head_ref, &buf);
+ send_strbuf("text/plain", &buf);
+ strbuf_release(&buf);
+}
+
static void get_info_packs(char *arg)
{
size_t objdirlen = strlen(get_object_directory());
@@ -524,7 +544,7 @@ static struct service_cmd {
const char *pattern;
void (*imp)(char *);
} services[] = {
- {"GET", "/HEAD$", get_text_file},
+ {"GET", "/HEAD$", get_head},
{"GET", "/info/refs$", get_info_refs},
{"GET", "/objects/info/alternates$", get_text_file},
{"GET", "/objects/info/http-alternates$", get_text_file},
@@ -545,6 +565,8 @@ int main(int argc, char **argv)
char *cmd_arg = NULL;
int i;
+ git_setup_gettext();
+
git_extract_argv0_path(argv[0]);
set_die_routine(die_webcgi);
@@ -566,9 +588,11 @@ int main(int argc, char **argv)
if (strcmp(method, c->method)) {
const char *proto = getenv("SERVER_PROTOCOL");
- if (proto && !strcmp(proto, "HTTP/1.1"))
+ if (proto && !strcmp(proto, "HTTP/1.1")) {
http_status(405, "Method Not Allowed");
- else
+ hdr_str("Allow", !strcmp(c->method, "GET") ?
+ "GET, HEAD" : c->method);
+ } else
http_status(400, "Bad Request");
hdr_nocache();
end_headers();
@@ -577,9 +601,7 @@ int main(int argc, char **argv)
cmd = c;
n = out[0].rm_eo - out[0].rm_so;
- cmd_arg = xmalloc(n);
- memcpy(cmd_arg, dir + out[0].rm_so + 1, n-1);
- cmd_arg[n-1] = '\0';
+ cmd_arg = xmemdupz(dir + out[0].rm_so + 1, n - 1);
dir[out[0].rm_so] = 0;
break;
}
@@ -596,7 +618,7 @@ int main(int argc, char **argv)
access("git-daemon-export-ok", F_OK) )
not_found("Repository not exported: '%s'", dir);
- git_config(http_config, NULL);
+ http_config();
cmd->imp(cmd_arg);
return 0;
}