summaryrefslogtreecommitdiffstatshomepage
path: root/ui-clone.c
blob: 81e7a4e5b8126fb577dc4e1502cdb14744ff3469 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/* ui-clone.c: functions for http cloning, based on
 * git's http-backend.c by Shawn O. Pearce
 *
 * Copyright (C) 2008 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

static int print_ref_info(const char *refname, const unsigned char *sha1,
                          int flags, void *cb_data)
{
	struct object *obj;

	if (!(obj = parse_object(sha1)))
		return 0;

	if (!strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/"))
		htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
	else if (!prefixcmp(refname, "refs/tags") && obj->type == OBJ_TAG) {
		if (!(obj = deref_tag(obj, refname, 0)))
			return 0;
		htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
		htmlf("%s\t%s^{}\n", sha1_to_hex(obj->sha1), refname);
	}
	return 0;
}

static void print_pack_info(struct cgit_context *ctx)
{
	struct packed_git *pack;
	int ofs;

	ctx->page.mimetype = "text/plain";
	ctx->page.filename = "objects/info/packs";
	cgit_print_http_headers(ctx);
	ofs = strlen(ctx->repo->path) + strlen("/objects/pack/");
	prepare_packed_git();
	for (pack = packed_git; pack; pack = pack->next)
		if (pack->pack_local)
			htmlf("P %s\n", pack->pack_name + ofs);
}

static void send_file(struct cgit_context *ctx, char *path)
{
	struct stat st;

	if (stat(path, &st)) {
		switch (errno) {
		case ENOENT:
			html_status(404, "Not found", 0);
			break;
		case EACCES:
			html_status(403, "Forbidden", 0);
			break;
		default:
			html_status(400, "Bad request", 0);
		}
		return;
	}
	ctx->page.mimetype = "application/octet-stream";
	ctx->page.filename = path;
	if (prefixcmp(ctx->repo->path, path))
		ctx->page.filename += strlen(ctx->repo->path) + 1;
	cgit_print_http_headers(ctx);
	html_include(path);
}

void cgit_clone_info(struct cgit_context *ctx)
{
	if (!ctx->qry.path || strcmp(ctx->qry.path, "refs"))
		return;

	ctx->page.mimetype = "text/plain";
	ctx->page.filename = "info/refs";
	cgit_print_http_headers(ctx);
	for_each_ref(print_ref_info, ctx);
}

void cgit_clone_objects(struct cgit_context *ctx)
{
	if (!ctx->qry.path) {
		html_status(400, "Bad request", 0);
		return;
	}

	if (!strcmp(ctx->qry.path, "info/packs")) {
		print_pack_info(ctx);
		return;
	}

	send_file(ctx, git_path("objects/%s", ctx->qry.path));
}

void cgit_clone_head(struct cgit_context *ctx)
{
	send_file(ctx, git_path("%s", "HEAD"));
}
">path, repo_config_fn fn) { struct stat st; struct passwd *pwd; size_t pathlen; struct strbuf rel = STRBUF_INIT; char *p, *slash; int n; size_t size; if (stat(path->buf, &st)) { fprintf(stderr, "Error accessing %s: %s (%d)\n", path->buf, strerror(errno), errno); return; } strbuf_addch(path, '/'); pathlen = path->len; if (ctx.cfg.strict_export) { strbuf_addstr(path, ctx.cfg.strict_export); if(stat(path->buf, &st)) return; strbuf_setlen(path, pathlen); } strbuf_addstr(path, "noweb"); if (!stat(path->buf, &st)) return; strbuf_setlen(path, pathlen); if (prefixcmp(path->buf, base)) strbuf_addbuf(&rel, path); else strbuf_addstr(&rel, path->buf + strlen(base) + 1); if (!strcmp(rel.buf + rel.len - 5, "/.git")) strbuf_setlen(&rel, rel.len - 5); else if (rel.len && rel.buf[rel.len - 1] == '/') strbuf_setlen(&rel, rel.len - 1); repo = cgit_add_repo(rel.buf); config_fn = fn; if (ctx.cfg.enable_git_config) { strbuf_addstr(path, "config"); git_config_from_file(gitconfig_config, path->buf, NULL); strbuf_setlen(path, pathlen); } if (ctx.cfg.remove_suffix) if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git")) *p = '\0'; repo->path = xstrdup(path->buf); while (!repo->owner) { if ((pwd = getpwuid(st.st_uid)) == NULL) { fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n", path->buf, strerror(errno), errno); break; } if (pwd->pw_gecos) if ((p = strchr(pwd->pw_gecos, ','))) *p = '\0'; repo->owner = xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name); } if (repo->desc == cgit_default_repo_desc || !repo->desc) { strbuf_addstr(path, "description"); if (!stat(path->buf, &st)) readfile(path->buf, &repo->desc, &size); strbuf_setlen(path, pathlen); } if (ctx.cfg.section_from_path) { n = ctx.cfg.section_from_path; if (n > 0) { slash = rel.buf - 1; while (slash && n && (slash = strchr(slash + 1, '/'))) n--; } else { slash = rel.buf + rel.len; while (slash && n && (slash = xstrrchr(rel.buf, slash - 1, '/'))) n++; } if (slash && !n) { *slash = '\0'; repo->section = xstrdup(rel.buf); *slash = '/'; if (!prefixcmp(repo->name, repo->section)) { repo->name += strlen(repo->section); if (*repo->name == '/') repo->name++; } } } strbuf_addstr(path, "cgitrc"); if (!stat(path->buf, &st)) parse_configfile(xstrdup(path->buf), &repo_config); strbuf_release(&rel); } static void scan_path(const char *base, const char *path, repo_config_fn fn) { DIR *dir = opendir(path); struct dirent *ent; struct strbuf pathbuf = STRBUF_INIT; size_t pathlen = strlen(path); struct stat st; if (!dir) { fprintf(stderr, "Error opening directory %s: %s (%d)\n", path, strerror(errno), errno); return; } strbuf_add(&pathbuf, path, strlen(path)); if (is_git_dir(pathbuf.buf)) { add_repo(base, &pathbuf, fn); goto end; } strbuf_addstr(&pathbuf, "/.git"); if (is_git_dir(pathbuf.buf)) { add_repo(base, &pathbuf, fn); goto end; } /* * Add one because we don't want to lose the trailing '/' when we * reset the length of pathbuf in the loop below. */ pathlen++; while ((ent = readdir(dir)) != NULL) { if (ent->d_name[0] == '.') { if (ent->d_name[1] == '\0') continue; if (ent->d_name[1] == '.' && ent->d_name[2] == '\0') continue; if (!ctx.cfg.scan_hidden_path) continue; } strbuf_setlen(&pathbuf, pathlen); strbuf_addstr(&pathbuf, ent->d_name); if (stat(pathbuf.buf, &st)) { fprintf(stderr, "Error checking path %s: %s (%d)\n", pathbuf.buf, strerror(errno), errno); continue; } if (S_ISDIR(st.st_mode)) scan_path(base, pathbuf.buf, fn); } end: strbuf_release(&pathbuf); closedir(dir); } void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn) { struct strbuf line = STRBUF_INIT; FILE *projects; int err; projects = fopen(projectsfile, "r"); if (!projects) { fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n", projectsfile, strerror(errno), errno); return; } while (strbuf_getline(&line, projects, '\n') != EOF) { if (!line.len) continue; strbuf_insert(&line, 0, "/", 1); strbuf_insert(&line, 0, path, strlen(path)); scan_path(path, line.buf, fn); } if ((err = ferror(projects))) { fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n", projectsfile, strerror(err), err); } fclose(projects); strbuf_release(&line); } void scan_tree(const char *path, repo_config_fn fn) { scan_path(path, path, fn); }