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path: root/scan-tree.c
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#include "cgit.h"
#include "html.h"

#define MAX_PATH 4096

/* return 1 if path contains a objects/ directory and a HEAD file */
static int is_git_dir(const char *path)
{
	struct stat st;
	static char buf[MAX_PATH];

	if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) {
		fprintf(stderr, "Insanely long path: %s\n", path);
		return 0;
	}
	if (stat(buf, &st)) {
		if (errno != ENOENT)
			fprintf(stderr, "Error checking path %s: %s (%d)\n",
				path, strerror(errno), errno);
		return 0;
	}
	if (!S_ISDIR(st.st_mode))
		return 0;

	sprintf(buf, "%s/HEAD", path);
	if (stat(buf, &st)) {
		if (errno != ENOENT)
			fprintf(stderr, "Error checking path %s: %s (%d)\n",
				path, strerror(errno), errno);
		return 0;
	}
	if (!S_ISREG(st.st_mode))
		return 0;

	return 1;
}

char *readfile(const char *path)
{
	FILE *f;
	static char buf[MAX_PATH];

	if (!(f = fopen(path, "r")))
		return NULL;
	fgets(buf, MAX_PATH, f);
	fclose(f);
	return buf;
}

static void add_repo(const char *base, const char *path)
{
	struct cgit_repo *repo;
	struct stat st;
	struct passwd *pwd;
	char *p;

	if (stat(path, &st)) {
		fprintf(stderr, "Error accessing %s: %s (%d)\n",
			path, strerror(errno), errno);
		return;
	}
	if ((pwd = getpwuid(st.st_uid)) == NULL) {
		fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
			path, strerror(errno), errno);
		return;
	}
	if (base == path)
		p = fmt("%s", path);
	else
		p = fmt("%s", path + strlen(base) + 1);

	if (!strcmp(p + strlen(p) - 5, "/.git"))
		p[strlen(p) - 5] = '\0';

	repo = cgit_add_repo(xstrdup(p));
	repo->name = repo->url;
	repo->path = xstrdup(path);
	repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");

	p = fmt("%s/description", path);
	if (!stat(p, &st))
		repo->desc = xstrdup(readfile(p));

	p = fmt("%s/README.html", path);
	if (!stat(p, &st))
		repo->readme = "README.html";
}

static void scan_path(const char *base, const char *path)
{
	DIR *dir;
	struct dirent *ent;
	char *buf;
	struct stat st;

	if (is_git_dir(path)) {
		add_repo(base, path);
		return;
	}
	dir = opendir(path);
	if (!dir) {
		fprintf(stderr, "Error opening directory %s: %s (%d)\n",
			path, strerror(errno), errno);
		return;
	}
	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;
		}
		buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
		if (!buf) {
			fprintf(stderr, "Alloc error on %s: %s (%d)\n",
				path, strerror(errno), errno);
			exit(1);
		}
		sprintf(buf, "%s/%s", path, ent->d_name);
		if (stat(buf, &st)) {
			fprintf(stderr, "Error checking path %s: %s (%d)\n",
				buf, strerror(errno), errno);
			free(buf);
			continue;
		}
		if (S_ISDIR(st.st_mode))
			scan_path(base, buf);
		free(buf);
	}
	closedir(dir);
}

void scan_tree(const char *path)
{
	scan_path(path, path);
}
/span> = xstrdup(host); } else { host = getenv("SERVER_NAME"); if (!host) return NULL; port = getenv("SERVER_PORT"); if (port && atoi(port) != 80) host = xstrdup(fmt("%s:%d", host, atoi(port))); else host = xstrdup(host); } return host; } char *cgit_rooturl() { if (ctx.cfg.virtual_root) return fmt("%s/", ctx.cfg.virtual_root); else return ctx.cfg.script_name; } char *cgit_repourl(const char *reponame) { if (ctx.cfg.virtual_root) { return fmt("%s/%s/", ctx.cfg.virtual_root, reponame); } else { return fmt("?r=%s", reponame); } } char *cgit_fileurl(const char *reponame, const char *pagename, const char *filename, const char *query) { char *tmp; char *delim; if (ctx.cfg.virtual_root) { tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame, pagename, (filename ? filename:"")); delim = "?"; } else { tmp = fmt("?url=%s/%s/%s", reponame, pagename, (filename ? filename : "")); delim = "&"; } if (query) tmp = fmt("%s%s%s", tmp, delim, query); return tmp; } char *cgit_pageurl(const char *reponame, const char *pagename, const char *query) { return cgit_fileurl(reponame,pagename,0,query); } const char *cgit_repobasename(const char *reponame) { /* I assume we don't need to store more than one repo basename */ static char rvbuf[1024]; int p; const char *rv; strncpy(rvbuf,reponame,sizeof(rvbuf)); if(rvbuf[sizeof(rvbuf)-1]) die("cgit_repobasename: truncated repository name '%s'", reponame); p = strlen(rvbuf)-1; /* strip trailing slashes */ while(p && rvbuf[p]=='/') rvbuf[p--]=0; /* strip trailing .git */ if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) { p -= 3; rvbuf[p--] = 0; } /* strip more trailing slashes if any */ while( p && rvbuf[p]=='/') rvbuf[p--]=0; /* find last slash in the remaining string */ rv = strrchr(rvbuf,'/'); if(rv) return ++rv; return rvbuf; } char *cgit_currurl() { if (!ctx.cfg.virtual_root) return ctx.cfg.script_name; else if (ctx.qry.page) return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page); else if (ctx.qry.repo) return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo); else return fmt("%s/", ctx.cfg.virtual_root); } static void site_url(char *page, char *search, int ofs) { char *delim = "?"; if (ctx.cfg.virtual_root) { html_attr(ctx.cfg.virtual_root); if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/') html("/"); } else html(ctx.cfg.script_name); if (page) { htmlf("?p=%s", page); delim = "&"; } if (search) { html(delim); html("q="); html_attr(search); delim = "&"; } if (ofs) { html(delim); htmlf("ofs=%d", ofs); } } static void site_link(char *page, char *name, char *title, char *class, char *search, int ofs) { html("<a"); if (title) { html(" title='"); html_attr(title); html("'"); } if (class) { html(" class='"); html_attr(class); html("'"); } html(" href='"); site_url(page, search, ofs); html("'>"); html_txt(name); html("</a>"); } void cgit_index_link(char *name, char *title, char *class, char *pattern, int ofs) { site_link(NULL, name, title, class, pattern, ofs); } static char *repolink(char *title, char *class, char *page, char *head, char *path) { char *delim = "?"; html("<a"); if (title) { html(" title='"); html_attr(title); html("'"); } if (class) { html(" class='"); html_attr(class); html("'"); } html(" href='"); if (ctx.cfg.virtual_root) { html_url_path(ctx.cfg.virtual_root); if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/') html("/"); html_url_path(ctx.repo->url); if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/') html("/"); if (page) { html_url_path(page); html("/"); if (path) html_url_path(path); } } else { html(ctx.cfg.script_name); html("?url="); html_url_arg(ctx.repo->url); if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/') html("/"); if (page) { html_url_arg(page); html("/"); if (path) html_url_arg(path); } delim = "&amp;"; } if (head && strcmp(head, ctx.repo->defbranch)) { html(delim); html("h="); html_url_arg(head); delim = "&amp;"; } return fmt("%s", delim); } static void reporevlink(char *page, char *name, char *title, char *class, char *head, char *rev, char *path) { char *delim; delim = repolink(title, class, page, head, path); if (rev && strcmp(rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(rev); } html("'>"); html_txt(name); html("</a>"); } void cgit_summary_link(char *name, char *title, char *class, char *head) { reporevlink(NULL, name, title, class, head, NULL, NULL); } void cgit_tag_link(char *name, char *title, char *class, char *head, char *rev) { reporevlink("tag", name, title, class, head, rev, NULL); } void cgit_tree_link(char *name, char *title, char *class, char *head, char *rev, char *path) { reporevlink("tree", name, title, class, head, rev, path); } void cgit_plain_link(char *name, char *title, char *class, char *head, char *rev, char *path) { reporevlink("plain", name, title, class, head, rev, path); } void cgit_log_link(char *name, char *title, char *class, char *head, char *rev, char *path, int ofs, char *grep, char *pattern, int showmsg) { char *delim; delim = repolink(title, class, "log", head, path); if (rev && strcmp(rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(rev); delim = "&"; } if (grep && pattern) { html(delim); html("qt="); html_url_arg(grep); delim = "&"; html(delim); html("q="); html_url_arg(pattern); } if (ofs > 0) { html(delim); html("ofs="); htmlf("%d", ofs); delim = "&"; } if (showmsg) { html(delim); html("showmsg=1"); } html("'>"); html_txt(name); html("</a>"); } void cgit_commit_link(char *name, char *title, char *class, char *head, char *rev) { if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) { name[ctx.cfg.max_msg_len] = '\0'; name[ctx.cfg.max_msg_len - 1] = '.'; name[ctx.cfg.max_msg_len - 2] = '.'; name[ctx.cfg.max_msg_len - 3] = '.'; } reporevlink("commit", name, title, class, head, rev, NULL); } void cgit_refs_link(char *name, char *title, char *class, char *head, char *rev, char *path) { reporevlink("refs", name, title, class, head, rev, path); } void cgit_snapshot_link(char *name, char *title, char *class, char *head, char *rev, char *archivename) { reporevlink("snapshot", name, title, class, head, rev, archivename); } void cgit_diff_link(char *name, char *title, char *class, char *head, char *new_rev, char *old_rev, char *path) { char *delim; delim = repolink(title, class, "diff", head, path); if (new_rev && strcmp(new_rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(new_rev); delim = "&amp;"; } if (old_rev) { html(delim); html("id2="); html_url_arg(old_rev); } html("'>"); html_txt(name); html("</a>"); } void cgit_patch_link(char *name, char *title, char *class, char *head, char *rev) { reporevlink("patch", name, title, class, head, rev, NULL); } void cgit_stats_link(char *name, char *title, char *class, char *head, char *path) { reporevlink("stats", name, title, class, head, NULL, path); } void cgit_object_link(struct object *obj) { char *page, *shortrev, *fullrev, *name; fullrev = sha1_to_hex(obj->sha1); shortrev = xstrdup(fullrev); shortrev[10] = '\0'; if (obj->type == OBJ_COMMIT) { cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL, ctx.qry.head, fullrev); return; } else if (obj->type == OBJ_TREE) page = "tree"; else if (obj->type == OBJ_TAG) page = "tag"; else page = "blob"; name = fmt("%s %s...", typename(obj->type), shortrev); reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL); } void cgit_print_date(time_t secs, char *format, int local_time) { char buf[64]; struct tm *time; if (!secs) return; if(local_time) time = localtime(&secs); else time = gmtime(&secs); strftime(buf, sizeof(buf)-1, format, time); html_txt(buf); } void cgit_print_age(time_t t, time_t max_relative, char *format) { time_t now, secs; if (!t) return; time(&now); secs = now - t; if (secs > max_relative && max_relative >= 0) { cgit_print_date(t, format, ctx.cfg.local_time); return; } if (secs < TM_HOUR * 2) { htmlf("<span class='age-mins'>%.0f min.</span>", secs * 1.0 / TM_MIN); return; } if (secs < TM_DAY * 2) { htmlf("<span class='age-hours'>%.0f hours</span>", secs * 1.0 / TM_HOUR); return; } if (secs < TM_WEEK * 2) { htmlf("<span class='age-days'>%.0f days</span>", secs * 1.0 / TM_DAY); return; } if (secs < TM_MONTH * 2) { htmlf("<span class='age-weeks'>%.0f weeks</span>", secs * 1.0 / TM_WEEK); return; } if (secs < TM_YEAR * 2) { htmlf("<span class='age-months'>%.0f months</span>", secs * 1.0 / TM_MONTH); return; } htmlf("<span class='age-years'>%.0f years</span>", secs * 1.0 / TM_YEAR); } void cgit_print_http_headers(struct cgit_context *ctx) { if (ctx->page.mimetype && ctx->page.charset) htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype, ctx->page.charset); else if (ctx->page.mimetype) htmlf("Content-Type: %s\n", ctx->page.mimetype); if (ctx->page.size) htmlf("Content-Length: %ld\n", ctx->page.size); if (ctx->page.filename) htmlf("Content-Disposition: inline; filename=\"%s\"\n", ctx->page.filename); htmlf("Last-Modified: %s\n", http_date(ctx->page.modified)); htmlf("Expires: %s\n", http_date(ctx->page.expires)); html("\n"); } void cgit_print_docstart(struct cgit_context *ctx) { char *host = cgit_hosturl(); html(cgit_doctype); html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n"); html("<head>\n"); html("<title>"); html_txt(ctx->page.title); html("</title>\n"); htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version); if (ctx->cfg.robots && *ctx->cfg.robots) htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots); html("<link rel='stylesheet' type='text/css' href='"); html_attr(ctx->cfg.css); html("'/>\n"); if (ctx->cfg.favicon) { html("<link rel='shortcut icon' href='"); html_attr(ctx->cfg.favicon); html("'/>\n"); } if (host && ctx->repo) { html("<link rel='alternate' title='Atom feed' href='http://"); html_attr(cgit_hosturl()); html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path, fmt("h=%s", ctx->qry.head))); html("' type='application/atom+xml'/>"); } html("</head>\n"); html("<body>\n"); } void cgit_print_docend() { html("</div>"); if (ctx.cfg.footer) html_include(ctx.cfg.footer); else { htmlf("<div class='footer'>generated by cgit %s at ", cgit_version); cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time); html("</div>\n"); } html("</body>\n</html>\n"); } int print_branch_option(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { char *name = (char *)refname; html_option(name, name, ctx.qry.head); return 0; } int print_archive_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct tag *tag; struct taginfo *info; struct object *obj; char buf[256], *url; unsigned char fileid[20]; int *header = (int *)cb_data; if (prefixcmp(refname, "refs/archives")) return 0; strncpy(buf, refname+14, sizeof(buf)); obj = parse_object(sha1); if (!obj) return 1; if (obj->type == OBJ_TAG) { tag = lookup_tag(sha1); if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag))) return 0; hashcpy(fileid, tag->tagged->sha1); } else if (obj->type != OBJ_BLOB) { return 0; } else { hashcpy(fileid, sha1); } if (!*header) { html("<h1>download</h1>\n"); *header = 1; } url = cgit_pageurl(ctx.qry.repo, "blob", fmt("id=%s&amp;path=%s", sha1_to_hex(fileid), buf)); html_link_open(url, NULL, "menu"); html_txt(strlpart(buf, 20)); html_link_close(); return 0; } void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page) { char *url; if (!ctx.cfg.virtual_root) { url = fmt("%s/%s", ctx.qry.repo, page); if (ctx.qry.path) url = fmt("%s/%s", url, ctx.qry.path); html_hidden("url", url); } if (incl_head && ctx.qry.head && ctx.repo->defbranch && strcmp(ctx.qry.head, ctx.repo->defbranch)) html_hidden("h", ctx.qry.head); if (ctx.qry.sha1) html_hidden("id", ctx.qry.sha1); if (ctx.qry.sha2) html_hidden("id2", ctx.qry.sha2); if (ctx.qry.showmsg) html_hidden("showmsg", "1"); if (incl_search) { if (ctx.qry.grep) html_hidden("qt", ctx.qry.grep); if (ctx.qry.search) html_hidden("q", ctx.qry.search); } } const char *fallback_cmd = "repolist"; char *hc(struct cgit_cmd *cmd, const char *page) { return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active"); } void cgit_print_pageheader(struct cgit_context *ctx) { struct cgit_cmd *cmd = cgit_get_cmd(ctx); if (!cmd && ctx->repo) fallback_cmd = "summary"; html("<table id='header'>\n"); html("<tr>\n"); html("<td class='logo' rowspan='2'><a href='"); if (ctx->cfg.logo_link) html_attr(ctx->cfg.logo_link); else html_attr(cgit_rooturl()); html("'><img src='"); html_attr(ctx->cfg.logo); html("' alt='cgit logo'/></a></td>\n"); html("<td class='main'>"); if (ctx->repo) { cgit_index_link("index", NULL, NULL, NULL, 0); html(" : "); cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL); html("</td><td class='form'>"); html("<form method='get' action=''>\n"); cgit_add_hidden_formfields(0, 1, ctx->qry.page); html("<select name='h' onchange='this.form.submit();'>\n"); for_each_branch_ref(print_branch_option, ctx->qry.head); html("</select> "); html("<input type='submit' name='' value='switch'/>"); html("</form>"); } else html_txt(ctx->cfg.root_title); html("</td></tr>\n"); html("<tr><td class='sub'>"); if (ctx->repo) { html_txt(ctx->repo->desc); html("</td><td class='sub right'>"); html_txt(ctx->repo->owner); } else { if (ctx->cfg.root_desc) html_txt(ctx->cfg.root_desc); else if (ctx->cfg.index_info) html_include(ctx->cfg.index_info); } html("</td></tr></table>\n"); html("<table class='tabs'><tr><td>\n"); if (ctx->repo) { cgit_summary_link("summary", NULL, hc(cmd, "summary"), ctx->qry.head); cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head, ctx->qry.sha1, NULL); cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head, NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg); cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head, ctx->qry.sha1, NULL); cgit_commit_link("commit", NULL, hc(cmd, "commit"), ctx->qry.head, ctx->qry.sha1); cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head, ctx->qry.sha1, ctx->qry.sha2, NULL); if (ctx->repo->max_stats) cgit_stats_link("stats", NULL, hc(cmd, "stats"), ctx->qry.head, NULL); if (ctx->repo->readme) reporevlink("about", "about", NULL, hc(cmd, "about"), ctx->qry.head, NULL, NULL); html("</td><td class='form'>"); html("<form class='right' method='get' action='"); if (ctx->cfg.virtual_root) html_url_path(cgit_fileurl(ctx->qry.repo, "log", ctx->qry.path, NULL)); html("'>\n"); cgit_add_hidden_formfields(1, 0, "log"); html("<select name='qt'>\n"); html_option("grep", "log msg", ctx->qry.grep); html_option("author", "author", ctx->qry.grep); html_option("committer", "committer", ctx->qry.grep); html("</select>\n"); html("<input class='txt' type='text' size='10' name='q' value='"); html_attr(ctx->qry.search); html("'/>\n"); html("<input type='submit' value='search'/>\n"); html("</form>\n"); } else { site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0); if (ctx->cfg.root_readme) site_link("about", "about", NULL, hc(cmd, "about"), NULL, 0); html("</td><td class='form'>"); html("<form method='get' action='"); html_attr(cgit_rooturl()); html("'>\n"); html("<input type='text' name='q' size='10' value='"); html_attr(ctx->qry.search); html("'/>\n"); html("<input type='submit' value='search'/>\n"); html("</form>"); } html("</td></tr></table>\n"); html("<div class='content'>"); } void cgit_print_filemode(unsigned short mode) { if (S_ISDIR(mode)) html("d"); else if (S_ISLNK(mode)) html("l"); else if (S_ISGITLINK(mode)) html("m"); else html("-"); html_fileperm(mode >> 6); html_fileperm(mode >> 3); html_fileperm(mode); } void cgit_print_snapshot_links(const char *repo, const char *head, const char *hex, int snapshots) { const struct cgit_snapshot_format* f; char *filename; for (f = cgit_snapshot_formats; f->suffix; f++) { if (!(snapshots & f->bit)) continue; filename = fmt("%s-%s%s", cgit_repobasename(repo), hex, f->suffix); cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename); html("<br/>"); } }