diff options
Diffstat (limited to 'http-backend.c')
-rw-r--r-- | http-backend.c | 116 |
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; } |