/* cgit.c: cgi for the git scm
*
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
+#include "cache.h"
+#include "cmd.h"
+#include "configfile.h"
+#include "html.h"
+#include "ui-shared.h"
+#include "ui-stats.h"
+#include "ui-blob.h"
+#include "ui-summary.h"
+#include "scan-tree.h"
-static const char cgit_doctype[] =
-"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
-" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
+const char *cgit_version = CGIT_VERSION;
-static const char cgit_error[] =
-"<div class='error'>%s</div>";
-
-static const char cgit_lib_error[] =
-"<div class='error'>%s: %s</div>";
-
-int htmlfd = 0;
-
-char *cgit_root = "/usr/src/git";
-char *cgit_root_title = "Git repository browser";
-char *cgit_css = "/cgit.css";
-char *cgit_logo = "/git-logo.png";
-char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
-char *cgit_virtual_root = NULL;
-
-char *cgit_cache_root = "/var/cache/cgit";
-
-int cgit_cache_root_ttl = 5;
-int cgit_cache_repo_ttl = 5;
-int cgit_cache_dynamic_ttl = 5;
-int cgit_cache_static_ttl = -1;
-int cgit_cache_max_create_time = 5;
-
-char *cgit_repo_name = NULL;
-char *cgit_repo_desc = NULL;
-char *cgit_repo_owner = NULL;
-
-int cgit_query_has_symref = 0;
-int cgit_query_has_sha1 = 0;
+static void add_mimetype(const char *name, const char *value)
+{
+ struct string_list_item *item;
-char *cgit_querystring = NULL;
-char *cgit_query_repo = NULL;
-char *cgit_query_page = NULL;
-char *cgit_query_head = NULL;
-char *cgit_query_sha1 = NULL;
+ item = string_list_insert(&ctx.cfg.mimetypes, xstrdup(name));
+ item->util = xstrdup(value);
+}
-struct cacheitem cacheitem;
+static void process_cached_repolist(const char *path);
-int cgit_parse_query(char *txt, configfn fn)
+static void repo_config(struct cgit_repo *repo, const char *name, const char *value)
{
- char *t, *value = NULL, c;
-
- if (!txt)
- return 0;
-
- t = txt = xstrdup(txt);
-
- while((c=*t) != '\0') {
- if (c=='=') {
- *t = '\0';
- value = t+1;
- } else if (c=='&') {
- *t = '\0';
- (*fn)(txt, value);
- txt = t+1;
- value = NULL;
- }
- t++;
+ const char *path;
+ struct string_list_item *item;
+
+ if (!strcmp(name, "name"))
+ repo->name = xstrdup(value);
+ else if (!strcmp(name, "clone-url"))
+ repo->clone_url = xstrdup(value);
+ else if (!strcmp(name, "desc"))
+ repo->desc = xstrdup(value);
+ else if (!strcmp(name, "owner"))
+ repo->owner = xstrdup(value);
+ else if (!strcmp(name, "homepage"))
+ repo->homepage = xstrdup(value);
+ else if (!strcmp(name, "defbranch"))
+ repo->defbranch = xstrdup(value);
+ else if (!strcmp(name, "snapshots"))
+ repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
+ else if (!strcmp(name, "enable-commit-graph"))
+ repo->enable_commit_graph = atoi(value);
+ else if (!strcmp(name, "enable-log-filecount"))
+ repo->enable_log_filecount = atoi(value);
+ else if (!strcmp(name, "enable-log-linecount"))
+ repo->enable_log_linecount = atoi(value);
+ else if (!strcmp(name, "enable-remote-branches"))
+ repo->enable_remote_branches = atoi(value);
+ else if (!strcmp(name, "enable-subject-links"))
+ repo->enable_subject_links = atoi(value);
+ else if (!strcmp(name, "enable-html-serving"))
+ repo->enable_html_serving = atoi(value);
+ else if (!strcmp(name, "branch-sort")) {
+ if (!strcmp(value, "age"))
+ repo->branch_sort = 1;
+ if (!strcmp(value, "name"))
+ repo->branch_sort = 0;
+ } else if (!strcmp(name, "commit-sort")) {
+ if (!strcmp(value, "date"))
+ repo->commit_sort = 1;
+ if (!strcmp(value, "topo"))
+ repo->commit_sort = 2;
+ } else if (!strcmp(name, "max-stats"))
+ repo->max_stats = cgit_find_stats_period(value, NULL);
+ else if (!strcmp(name, "module-link"))
+ repo->module_link= xstrdup(value);
+ else if (skip_prefix(name, "module-link.", &path)) {
+ item = string_list_append(&repo->submodules, xstrdup(path));
+ item->util = xstrdup(value);
+ } else if (!strcmp(name, "section"))
+ repo->section = xstrdup(value);
+ else if (!strcmp(name, "readme") && value != NULL) {
+ if (repo->readme.items == ctx.cfg.readme.items)
+ memset(&repo->readme, 0, sizeof(repo->readme));
+ string_list_append(&repo->readme, xstrdup(value));
+ } else if (!strcmp(name, "logo") && value != NULL)
+ repo->logo = xstrdup(value);
+ else if (!strcmp(name, "logo-link") && value != NULL)
+ repo->logo_link = xstrdup(value);
+ else if (!strcmp(name, "hide"))
+ repo->hide = atoi(value);
+ else if (!strcmp(name, "ignore"))
+ repo->ignore = atoi(value);
+ else if (ctx.cfg.enable_filter_overrides) {
+ if (!strcmp(name, "about-filter"))
+ repo->about_filter = cgit_new_filter(value, ABOUT);
+ else if (!strcmp(name, "commit-filter"))
+ repo->commit_filter = cgit_new_filter(value, COMMIT);
+ else if (!strcmp(name, "source-filter"))
+ repo->source_filter = cgit_new_filter(value, SOURCE);
+ else if (!strcmp(name, "email-filter"))
+ repo->email_filter = cgit_new_filter(value, EMAIL);
+ else if (!strcmp(name, "owner-filter"))
+ repo->owner_filter = cgit_new_filter(value, OWNER);
}
- if (t!=txt)
- (*fn)(txt, value);
- return 0;
}
-void cgit_global_config_cb(const char *name, const char *value)
+static void config_cb(const char *name, const char *value)
{
- if (!strcmp(name, "root"))
- cgit_root = xstrdup(value);
+ const char *arg;
+
+ if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
+ ctx.cfg.section = xstrdup(value);
+ else if (!strcmp(name, "repo.url"))
+ ctx.repo = cgit_add_repo(value);
+ else if (ctx.repo && !strcmp(name, "repo.path"))
+ ctx.repo->path = trim_end(value, '/');
+ else if (ctx.repo && skip_prefix(name, "repo.", &arg))
+ repo_config(ctx.repo, arg, value);
+ else if (!strcmp(name, "readme"))
+ string_list_append(&ctx.cfg.readme, xstrdup(value));
else if (!strcmp(name, "root-title"))
- cgit_root_title = xstrdup(value);
+ ctx.cfg.root_title = xstrdup(value);
+ else if (!strcmp(name, "root-desc"))
+ ctx.cfg.root_desc = xstrdup(value);
+ else if (!strcmp(name, "root-readme"))
+ ctx.cfg.root_readme = xstrdup(value);
else if (!strcmp(name, "css"))
- cgit_css = xstrdup(value);
+ ctx.cfg.css = xstrdup(value);
+ else if (!strcmp(name, "favicon"))
+ ctx.cfg.favicon = xstrdup(value);
+ else if (!strcmp(name, "footer"))
+ ctx.cfg.footer = xstrdup(value);
+ else if (!strcmp(name, "head-include"))
+ ctx.cfg.head_include = xstrdup(value);
+ else if (!strcmp(name, "header"))
+ ctx.cfg.header = xstrdup(value);
else if (!strcmp(name, "logo"))
- cgit_logo = xstrdup(value);
+ ctx.cfg.logo = xstrdup(value);
+ else if (!strcmp(name, "index-header"))
+ ctx.cfg.index_header = xstrdup(value);
+ else if (!strcmp(name, "index-info"))
+ ctx.cfg.index_info = xstrdup(value);
else if (!strcmp(name, "logo-link"))
- cgit_logo_link = xstrdup(value);
- else if (!strcmp(name, "virtual-root"))
- cgit_virtual_root = xstrdup(value);
+ ctx.cfg.logo_link = xstrdup(value);
+ else if (!strcmp(name, "module-link"))
+ ctx.cfg.module_link = xstrdup(value);
+ else if (!strcmp(name, "strict-export"))
+ ctx.cfg.strict_export = xstrdup(value);
+ else if (!strcmp(name, "virtual-root")) {
+ ctx.cfg.virtual_root = ensure_end(value, '/');
+ } else if (!strcmp(name, "nocache"))
+ ctx.cfg.nocache = atoi(value);
+ else if (!strcmp(name, "noplainemail"))
+ ctx.cfg.noplainemail = atoi(value);
+ else if (!strcmp(name, "noheader"))
+ ctx.cfg.noheader = atoi(value);
+ else if (!strcmp(name, "snapshots"))
+ ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
+ else if (!strcmp(name, "enable-filter-overrides"))
+ ctx.cfg.enable_filter_overrides = atoi(value);
+ else if (!strcmp(name, "enable-follow-links"))
+ ctx.cfg.enable_follow_links = atoi(value);
+ else if (!strcmp(name, "enable-http-clone"))
+ ctx.cfg.enable_http_clone = atoi(value);
+ else if (!strcmp(name, "enable-index-links"))
+ ctx.cfg.enable_index_links = atoi(value);
+ else if (!strcmp(name, "enable-index-owner"))
+ ctx.cfg.enable_index_owner = atoi(value);
+ else if (!strcmp(name, "enable-commit-graph"))
+ ctx.cfg.enable_commit_graph = atoi(value);
+ else if (!strcmp(name, "enable-log-filecount"))
+ ctx.cfg.enable_log_filecount = atoi(value);
+ else if (!strcmp(name, "enable-log-linecount"))
+ ctx.cfg.enable_log_linecount = atoi(value);
+ else if (!strcmp(name, "enable-remote-branches"))
+ ctx.cfg.enable_remote_branches = atoi(value);
+ else if (!strcmp(name, "enable-subject-links"))
+ ctx.cfg.enable_subject_links = atoi(value);
+ else if (!strcmp(name, "enable-html-serving"))
+ ctx.cfg.enable_html_serving = atoi(value);
+ else if (!strcmp(name, "enable-tree-linenumbers"))
+ ctx.cfg.enable_tree_linenumbers = atoi(value);
+ else if (!strcmp(name, "enable-git-config"))
+ ctx.cfg.enable_git_config = atoi(value);
+ else if (!strcmp(name, "max-stats"))
+ ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
+ else if (!strcmp(name, "cache-size"))
+ ctx.cfg.cache_size = atoi(value);
+ else if (!strcmp(name, "cache-root"))
+ ctx.cfg.cache_root = xstrdup(expand_macros(value));
+ else if (!strcmp(name, "cache-root-ttl"))
+ ctx.cfg.cache_root_ttl = atoi(value);
+ else if (!strcmp(name, "cache-repo-ttl"))
+ ctx.cfg.cache_repo_ttl = atoi(value);
+ else if (!strcmp(name, "cache-scanrc-ttl"))
+ ctx.cfg.cache_scanrc_ttl = atoi(value);
+ else if (!strcmp(name, "cache-static-ttl"))
+ ctx.cfg.cache_static_ttl = atoi(value);
+ else if (!strcmp(name, "cache-dynamic-ttl"))
+ ctx.cfg.cache_dynamic_ttl = atoi(value);
+ else if (!strcmp(name, "cache-about-ttl"))
+ ctx.cfg.cache_about_ttl = atoi(value);
+ else if (!strcmp(name, "cache-snapshot-ttl"))
+ ctx.cfg.cache_snapshot_ttl = atoi(value);
+ else if (!strcmp(name, "case-sensitive-sort"))
+ ctx.cfg.case_sensitive_sort = atoi(value);
+ else if (!strcmp(name, "about-filter"))
+ ctx.cfg.about_filter = cgit_new_filter(value, ABOUT);
+ else if (!strcmp(name, "commit-filter"))
+ ctx.cfg.commit_filter = cgit_new_filter(value, COMMIT);
+ else if (!strcmp(name, "email-filter"))
+ ctx.cfg.email_filter = cgit_new_filter(value, EMAIL);
+ else if (!strcmp(name, "owner-filter"))
+ ctx.cfg.owner_filter = cgit_new_filter(value, OWNER);
+ else if (!strcmp(name, "auth-filter"))
+ ctx.cfg.auth_filter = cgit_new_filter(value, AUTH);
+ else if (!strcmp(name, "embedded"))
+ ctx.cfg.embedded = atoi(value);
+ else if (!strcmp(name, "max-atom-items"))
+ ctx.cfg.max_atom_items = atoi(value);
+ else if (!strcmp(name, "max-message-length"))
+ ctx.cfg.max_msg_len = atoi(value);
+ else if (!strcmp(name, "max-repodesc-length"))
+ ctx.cfg.max_repodesc_len = atoi(value);
+ else if (!strcmp(name, "max-blob-size"))
+ ctx.cfg.max_blob_size = atoi(value);
+ else if (!strcmp(name, "max-repo-count"))
+ ctx.cfg.max_repo_count = atoi(value);
+ else if (!strcmp(name, "max-commit-count"))
+ ctx.cfg.max_commit_count = atoi(value);
+ else if (!strcmp(name, "project-list"))
+ ctx.cfg.project_list = xstrdup(expand_macros(value));
+ else if (!strcmp(name, "scan-path"))
+ if (!ctx.cfg.nocache && ctx.cfg.cache_size)
+ process_cached_repolist(expand_macros(value));
+ else if (ctx.cfg.project_list)
+ scan_projects(expand_macros(value),
+ ctx.cfg.project_list, repo_config);
+ else
+ scan_tree(expand_macros(value), repo_config);
+ else if (!strcmp(name, "scan-hidden-path"))
+ ctx.cfg.scan_hidden_path = atoi(value);
+ else if (!strcmp(name, "section-from-path"))
+ ctx.cfg.section_from_path = atoi(value);
+ else if (!strcmp(name, "repository-sort"))
+ ctx.cfg.repository_sort = xstrdup(value);
+ else if (!strcmp(name, "section-sort"))
+ ctx.cfg.section_sort = atoi(value);
+ else if (!strcmp(name, "source-filter"))
+ ctx.cfg.source_filter = cgit_new_filter(value, SOURCE);
+ else if (!strcmp(name, "summary-log"))
+ ctx.cfg.summary_log = atoi(value);
+ else if (!strcmp(name, "summary-branches"))
+ ctx.cfg.summary_branches = atoi(value);
+ else if (!strcmp(name, "summary-tags"))
+ ctx.cfg.summary_tags = atoi(value);
+ else if (!strcmp(name, "side-by-side-diffs"))
+ ctx.cfg.difftype = atoi(value) ? DIFF_SSDIFF : DIFF_UNIFIED;
+ else if (!strcmp(name, "agefile"))
+ ctx.cfg.agefile = xstrdup(value);
+ else if (!strcmp(name, "mimetype-file"))
+ ctx.cfg.mimetype_file = xstrdup(value);
+ else if (!strcmp(name, "renamelimit"))
+ ctx.cfg.renamelimit = atoi(value);
+ else if (!strcmp(name, "remove-suffix"))
+ ctx.cfg.remove_suffix = atoi(value);
+ else if (!strcmp(name, "robots"))
+ ctx.cfg.robots = xstrdup(value);
+ else if (!strcmp(name, "clone-prefix"))
+ ctx.cfg.clone_prefix = xstrdup(value);
+ else if (!strcmp(name, "clone-url"))
+ ctx.cfg.clone_url = xstrdup(value);
+ else if (!strcmp(name, "local-time"))
+ ctx.cfg.local_time = atoi(value);
+ else if (!strcmp(name, "commit-sort")) {
+ if (!strcmp(value, "date"))
+ ctx.cfg.commit_sort = 1;
+ if (!strcmp(value, "topo"))
+ ctx.cfg.commit_sort = 2;
+ } else if (!strcmp(name, "branch-sort")) {
+ if (!strcmp(value, "age"))
+ ctx.cfg.branch_sort = 1;
+ if (!strcmp(value, "name"))
+ ctx.cfg.branch_sort = 0;
+ } else if (skip_prefix(name, "mimetype.", &arg))
+ add_mimetype(arg, value);
+ else if (!strcmp(name, "include"))
+ parse_configfile(expand_macros(value), config_cb);
}
-void cgit_repo_config_cb(const char *name, const char *value)
+static void querystring_cb(const char *name, const char *value)
{
- if (!strcmp(name, "name"))
- cgit_repo_name = xstrdup(value);
- else if (!strcmp(name, "desc"))
- cgit_repo_desc = xstrdup(value);
- else if (!strcmp(name, "owner"))
- cgit_repo_owner = xstrdup(value);
-}
+ if (!value)
+ value = "";
-void cgit_querystring_cb(const char *name, const char *value)
-{
- if (!strcmp(name,"r"))
- cgit_query_repo = xstrdup(value);
- else if (!strcmp(name, "p"))
- cgit_query_page = xstrdup(value);
- else if (!strcmp(name, "h")) {
- cgit_query_head = xstrdup(value);
- cgit_query_has_symref = 1;
+ if (!strcmp(name,"r")) {
+ ctx.qry.repo = xstrdup(value);
+ ctx.repo = cgit_get_repoinfo(value);
+ } else if (!strcmp(name, "p")) {
+ ctx.qry.page = xstrdup(value);
+ } else if (!strcmp(name, "url")) {
+ if (*value == '/')
+ value++;
+ ctx.qry.url = xstrdup(value);
+ cgit_parse_url(value);
+ } else if (!strcmp(name, "qt")) {
+ ctx.qry.grep = xstrdup(value);
+ } else if (!strcmp(name, "q")) {
+ ctx.qry.search = xstrdup(value);
+ } else if (!strcmp(name, "h")) {
+ ctx.qry.head = xstrdup(value);
+ ctx.qry.has_symref = 1;
} else if (!strcmp(name, "id")) {
- cgit_query_sha1 = xstrdup(value);
- cgit_query_has_sha1 = 1;
+ ctx.qry.sha1 = xstrdup(value);
+ ctx.qry.has_sha1 = 1;
+ } else if (!strcmp(name, "id2")) {
+ ctx.qry.sha2 = xstrdup(value);
+ ctx.qry.has_sha1 = 1;
+ } else if (!strcmp(name, "ofs")) {
+ ctx.qry.ofs = atoi(value);
+ } else if (!strcmp(name, "path")) {
+ ctx.qry.path = trim_end(value, '/');
+ } else if (!strcmp(name, "name")) {
+ ctx.qry.name = xstrdup(value);
+ } else if (!strcmp(name, "s")) {
+ ctx.qry.sort = xstrdup(value);
+ } else if (!strcmp(name, "showmsg")) {
+ ctx.qry.showmsg = atoi(value);
+ } else if (!strcmp(name, "period")) {
+ ctx.qry.period = xstrdup(value);
+ } else if (!strcmp(name, "dt")) {
+ ctx.qry.difftype = atoi(value);
+ ctx.qry.has_difftype = 1;
+ } else if (!strcmp(name, "ss")) {
+ /* No longer generated, but there may be links out there. */
+ ctx.qry.difftype = atoi(value) ? DIFF_SSDIFF : DIFF_UNIFIED;
+ ctx.qry.has_difftype = 1;
+ } else if (!strcmp(name, "all")) {
+ ctx.qry.show_all = atoi(value);
+ } else if (!strcmp(name, "context")) {
+ ctx.qry.context = atoi(value);
+ } else if (!strcmp(name, "ignorews")) {
+ ctx.qry.ignorews = atoi(value);
+ } else if (!strcmp(name, "follow")) {
+ ctx.qry.follow = atoi(value);
}
}
-char *cgit_repourl(const char *reponame)
+static void prepare_context(void)
{
- if (cgit_virtual_root) {
- return fmt("%s/%s/", cgit_virtual_root, reponame);
- } else {
- return fmt("?r=%s", reponame);
- }
+ memset(&ctx, 0, sizeof(ctx));
+ ctx.cfg.agefile = "info/web/last-modified";
+ ctx.cfg.nocache = 0;
+ ctx.cfg.cache_size = 0;
+ ctx.cfg.cache_max_create_time = 5;
+ ctx.cfg.cache_root = CGIT_CACHE_ROOT;
+ ctx.cfg.cache_about_ttl = 15;
+ ctx.cfg.cache_snapshot_ttl = 5;
+ ctx.cfg.cache_repo_ttl = 5;
+ ctx.cfg.cache_root_ttl = 5;
+ ctx.cfg.cache_scanrc_ttl = 15;
+ ctx.cfg.cache_dynamic_ttl = 5;
+ ctx.cfg.cache_static_ttl = -1;
+ ctx.cfg.case_sensitive_sort = 1;
+ ctx.cfg.branch_sort = 0;
+ ctx.cfg.commit_sort = 0;
+ ctx.cfg.css = "/cgit.css";
+ ctx.cfg.logo = "/cgit.png";
+ ctx.cfg.favicon = "/favicon.ico";
+ ctx.cfg.local_time = 0;
+ ctx.cfg.enable_http_clone = 1;
+ ctx.cfg.enable_index_owner = 1;
+ ctx.cfg.enable_tree_linenumbers = 1;
+ ctx.cfg.enable_git_config = 0;
+ ctx.cfg.max_repo_count = 50;
+ ctx.cfg.max_commit_count = 50;
+ ctx.cfg.max_lock_attempts = 5;
+ ctx.cfg.max_msg_len = 80;
+ ctx.cfg.max_repodesc_len = 80;
+ ctx.cfg.max_blob_size = 0;
+ ctx.cfg.max_stats = 0;
+ ctx.cfg.project_list = NULL;
+ ctx.cfg.renamelimit = -1;
+ ctx.cfg.remove_suffix = 0;
+ ctx.cfg.robots = "index, nofollow";
+ ctx.cfg.root_title = "Git repository browser";
+ ctx.cfg.root_desc = "a fast webinterface for the git dscm";
+ ctx.cfg.scan_hidden_path = 0;
+ ctx.cfg.script_name = CGIT_SCRIPT_NAME;
+ ctx.cfg.section = "";
+ ctx.cfg.repository_sort = "name";
+ ctx.cfg.section_sort = 1;
+ ctx.cfg.summary_branches = 10;
+ ctx.cfg.summary_log = 10;
+ ctx.cfg.summary_tags = 10;
+ ctx.cfg.max_atom_items = 10;
+ ctx.cfg.difftype = DIFF_UNIFIED;
+ ctx.env.cgit_config = getenv("CGIT_CONFIG");
+ ctx.env.http_host = getenv("HTTP_HOST");
+ ctx.env.https = getenv("HTTPS");
+ ctx.env.no_http = getenv("NO_HTTP");
+ ctx.env.path_info = getenv("PATH_INFO");
+ ctx.env.query_string = getenv("QUERY_STRING");
+ ctx.env.request_method = getenv("REQUEST_METHOD");
+ ctx.env.script_name = getenv("SCRIPT_NAME");
+ ctx.env.server_name = getenv("SERVER_NAME");
+ ctx.env.server_port = getenv("SERVER_PORT");
+ ctx.env.http_cookie = getenv("HTTP_COOKIE");
+ ctx.env.http_referer = getenv("HTTP_REFERER");
+ ctx.env.content_length = getenv("CONTENT_LENGTH") ? strtoul(getenv("CONTENT_LENGTH"), NULL, 10) : 0;
+ ctx.env.authenticated = 0;
+ ctx.page.mimetype = "text/html";
+ ctx.page.charset = PAGE_ENCODING;
+ ctx.page.filename = NULL;
+ ctx.page.size = 0;
+ ctx.page.modified = time(NULL);
+ ctx.page.expires = ctx.page.modified;
+ ctx.page.etag = NULL;
+ memset(&ctx.cfg.mimetypes, 0, sizeof(struct string_list));
+ if (ctx.env.script_name)
+ ctx.cfg.script_name = xstrdup(ctx.env.script_name);
+ if (ctx.env.query_string)
+ ctx.qry.raw = xstrdup(ctx.env.query_string);
+ if (!ctx.env.cgit_config)
+ ctx.env.cgit_config = CGIT_CONFIG;
}
-char *cgit_pageurl(const char *reponame, const char *pagename,
- const char *query)
+struct refmatch {
+ char *req_ref;
+ char *first_ref;
+ int match;
+};
+
+static int find_current_ref(const char *refname, const struct object_id *oid,
+ int flags, void *cb_data)
{
- if (cgit_virtual_root) {
- return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
- pagename, query);
- } else {
- return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
- }
+ struct refmatch *info;
+
+ info = (struct refmatch *)cb_data;
+ if (!strcmp(refname, info->req_ref))
+ info->match = 1;
+ if (!info->first_ref)
+ info->first_ref = xstrdup(refname);
+ return info->match;
}
-static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
- int flags, void *cb_data)
+static void free_refmatch_inner(struct refmatch *info)
{
- struct commit *commit;
- char buf[256], *url;
-
- commit = lookup_commit(sha1);
- if (commit && !parse_commit(commit)){
- html("<tr><td>");
- url = cgit_pageurl(cgit_query_repo, "log",
- fmt("h=%s", refname));
- html_link_open(url, NULL, NULL);
- strncpy(buf, refname, sizeof(buf));
- html_txt(buf);
- html_link_close();
- html("</td><td>");
- pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, buf,
- sizeof(buf), 0, NULL, NULL, 0);
- html_txt(buf);
- html("</td></tr>\n");
- } else {
- html("<tr><td>");
- html_txt(buf);
- html("</td><td>");
- htmlf("*** bad ref %s", sha1_to_hex(sha1));
- html("</td></tr>\n");
- }
- return 0;
+ if (info->first_ref)
+ free(info->first_ref);
}
-/* Sun, 06 Nov 1994 08:49:37 GMT */
-static char *http_date(time_t t)
+static char *find_default_branch(struct cgit_repo *repo)
{
- static char day[][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
- static char month[][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
- struct tm *tm = gmtime(&t);
- return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
- tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
+ struct refmatch info;
+ char *ref;
+
+ info.req_ref = repo->defbranch;
+ info.first_ref = NULL;
+ info.match = 0;
+ for_each_branch_ref(find_current_ref, &info);
+ if (info.match)
+ ref = info.req_ref;
+ else
+ ref = info.first_ref;
+ if (ref)
+ ref = xstrdup(ref);
+ free_refmatch_inner(&info);
+
+ return ref;
}
-static int ttl_seconds(int ttl)
+static char *guess_defbranch(void)
{
- if (ttl<0)
- return 60 * 60 * 24 * 365;
- else
- return ttl * 60;
+ const char *ref, *refname;
+ struct object_id oid;
+
+ ref = resolve_ref_unsafe("HEAD", 0, oid.hash, NULL);
+ if (!ref || !skip_prefix(ref, "refs/heads/", &refname))
+ return "master";
+ return xstrdup(refname);
}
-static void cgit_print_docstart(char *title)
+/* The caller must free filename and ref after calling this. */
+static inline void parse_readme(const char *readme, char **filename, char **ref, struct cgit_repo *repo)
{
- html("Content-Type: text/html; charset=utf-8\n");
- htmlf("Last-Modified: %s\n", http_date(cacheitem.st.st_mtime));
- htmlf("Expires: %s\n", http_date(cacheitem.st.st_mtime +
- ttl_seconds(cacheitem.ttl)));
- html("\n");
- html(cgit_doctype);
- html("<html>\n");
- html("<head>\n");
- html("<title>");
- html_txt(title);
- html("</title>\n");
- html("<link rel='stylesheet' type='text/css' href='");
- html_attr(cgit_css);
- html("'/>\n");
- html("</head>\n");
- html("<body>\n");
-}
+ const char *colon;
-static void cgit_print_docend()
+ *filename = NULL;
+ *ref = NULL;
+
+ if (!readme || !readme[0])
+ return;
+
+ /* Check if the readme is tracked in the git repo. */
+ colon = strchr(readme, ':');
+ if (colon && strlen(colon) > 1) {
+ /* If it starts with a colon, we want to use
+ * the default branch */
+ if (colon == readme && repo->defbranch)
+ *ref = xstrdup(repo->defbranch);
+ else
+ *ref = xstrndup(readme, colon - readme);
+ readme = colon + 1;
+ }
+
+ /* Prepend repo path to relative readme path unless tracked. */
+ if (!(*ref) && readme[0] != '/')
+ *filename = fmtalloc("%s/%s", repo->path, readme);
+ else
+ *filename = xstrdup(readme);
+}
+static void choose_readme(struct cgit_repo *repo)
{
- html("</body>\n</html>\n");
+ int found;
+ char *filename, *ref;
+ struct string_list_item *entry;
+
+ if (!repo->readme.nr)
+ return;
+
+ found = 0;
+ for_each_string_list_item(entry, &repo->readme) {
+ parse_readme(entry->string, &filename, &ref, repo);
+ if (!filename) {
+ free(filename);
+ free(ref);
+ continue;
+ }
+ if (ref) {
+ if (cgit_ref_path_exists(filename, ref, 1)) {
+ found = 1;
+ break;
+ }
+ }
+ else if (!access(filename, R_OK)) {
+ found = 1;
+ break;
+ }
+ free(filename);
+ free(ref);
+ }
+ repo->readme.strdup_strings = 1;
+ string_list_clear(&repo->readme, 0);
+ repo->readme.strdup_strings = 0;
+ if (found)
+ string_list_append(&repo->readme, filename)->util = ref;
}
-static void cgit_print_pageheader(char *title)
+static void print_no_repo_clone_urls(const char *url)
{
- html("<div id='header'>");
- htmlf("<a href='%s'>", cgit_logo_link);
- htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
- htmlf("</a>");
- html_txt(title);
- html("</div>");
+ html("<tr><td><a rel='vcs-git' href='");
+ html_url_path(url);
+ html("' title='");
+ html_attr(ctx.repo->name);
+ html(" Git repository'>");
+ html_txt(url);
+ html("</a></td></tr>\n");
}
-static void cgit_print_repolist()
+static int prepare_repo_cmd(void)
{
- DIR *d;
- struct dirent *de;
- struct stat st;
- char *name;
+ struct object_id oid;
+ int nongit = 0;
+ int rc;
- chdir(cgit_root);
- cgit_print_docstart(cgit_root_title);
- cgit_print_pageheader(cgit_root_title);
+ /* The path to the git repository. */
+ setenv("GIT_DIR", ctx.repo->path, 1);
- if (!(d = opendir("."))) {
- htmlf(cgit_lib_error, "Unable to scan repository directory",
- strerror(errno));
+ /* Do not look in /etc/ for gitconfig and gitattributes. */
+ setenv("GIT_CONFIG_NOSYSTEM", "1", 1);
+ setenv("GIT_ATTR_NOSYSTEM", "1", 1);
+ unsetenv("HOME");
+ unsetenv("XDG_CONFIG_HOME");
+
+ /* Setup the git directory and initialize the notes system. Both of these
+ * load local configuration from the git repository, so we do them both while
+ * the HOME variables are unset. */
+ setup_git_directory_gently(&nongit);
+ init_display_notes(NULL);
+
+ if (nongit) {
+ const char *name = ctx.repo->name;
+ rc = errno;
+ ctx.page.title = fmtalloc("%s - %s", ctx.cfg.root_title,
+ "config error");
+ ctx.repo = NULL;
+ cgit_print_http_headers();
+ cgit_print_docstart();
+ cgit_print_pageheader();
+ cgit_print_error("Failed to open %s: %s", name,
+ rc ? strerror(rc) : "Not a valid git repository");
cgit_print_docend();
- return;
+ return 1;
}
+ ctx.page.title = fmtalloc("%s - %s", ctx.repo->name, ctx.repo->desc);
- html("<h2>Repositories</h2>\n");
- html("<table class='list'>");
- html("<tr><th>Name</th><th>Description</th><th>Owner</th></tr>\n");
- while ((de = readdir(d)) != NULL) {
- if (de->d_name[0] == '.')
- continue;
- if (stat(de->d_name, &st) < 0)
- continue;
- if (!S_ISDIR(st.st_mode))
- continue;
+ if (!ctx.repo->defbranch)
+ ctx.repo->defbranch = guess_defbranch();
- cgit_repo_name = cgit_repo_desc = cgit_repo_owner = NULL;
- name = fmt("%s/info/cgit", de->d_name);
- if (cgit_read_config(name, cgit_repo_config_cb))
- continue;
+ if (!ctx.qry.head) {
+ ctx.qry.nohead = 1;
+ ctx.qry.head = find_default_branch(ctx.repo);
+ }
- html("<tr><td>");
- html_link_open(cgit_repourl(de->d_name), NULL, NULL);
- html_txt(cgit_repo_name);
- html_link_close();
- html("</td><td>");
- html_txt(cgit_repo_desc);
- html("</td><td>");
- html_txt(cgit_repo_owner);
- html("</td></tr>\n");
+ if (!ctx.qry.head) {
+ cgit_print_http_headers();
+ cgit_print_docstart();
+ cgit_print_pageheader();
+ cgit_print_error("Repository seems to be empty");
+ if (!strcmp(ctx.qry.page, "summary")) {
+ html("<table class='list'><tr class='nohover'><td> </td></tr><tr class='nohover'><th class='left'>Clone</th></tr>\n");
+ cgit_prepare_repo_env(ctx.repo);
+ cgit_add_clone_urls(print_no_repo_clone_urls);
+ html("</table>\n");
+ }
+ cgit_print_docend();
+ return 1;
+ }
+
+ if (get_oid(ctx.qry.head, &oid)) {
+ char *old_head = ctx.qry.head;
+ ctx.qry.head = xstrdup(ctx.repo->defbranch);
+ cgit_print_error_page(404, "Not found",
+ "Invalid branch: %s", old_head);
+ free(old_head);
+ return 1;
}
- closedir(d);
- html("</table>");
- cgit_print_docend();
+ string_list_sort(&ctx.repo->submodules);
+ cgit_prepare_repo_env(ctx.repo);
+ choose_readme(ctx.repo);
+ return 0;
}
-static void cgit_print_branches()
+static inline void open_auth_filter(const char *function)
{
- html("<table class='list'>");
- html("<tr><th>Branch name</th><th>Head commit</th></tr>\n");
- for_each_branch_ref(cgit_print_branch_cb, NULL);
- html("</table>");
+ cgit_open_filter(ctx.cfg.auth_filter, function,
+ ctx.env.http_cookie ? ctx.env.http_cookie : "",
+ ctx.env.request_method ? ctx.env.request_method : "",
+ ctx.env.query_string ? ctx.env.query_string : "",
+ ctx.env.http_referer ? ctx.env.http_referer : "",
+ ctx.env.path_info ? ctx.env.path_info : "",
+ ctx.env.http_host ? ctx.env.http_host : "",
+ ctx.env.https ? ctx.env.https : "",
+ ctx.qry.repo ? ctx.qry.repo : "",
+ ctx.qry.page ? ctx.qry.page : "",
+ ctx.qry.url ? ctx.qry.url : "",
+ cgit_loginurl());
}
-static int get_one_line(char *txt)
+/* We intentionally keep this rather small, instead of looping and
+ * feeding it to the filter a couple bytes at a time. This way, the
+ * filter itself does not need to handle any denial of service or
+ * buffer bloat issues. If this winds up being too small, people
+ * will complain on the mailing list, and we'll increase it as needed. */
+#define MAX_AUTHENTICATION_POST_BYTES 4096
+/* The filter is expected to spit out "Status: " and all headers. */
+static inline void authenticate_post(void)
{
- char *t;
+ char buffer[MAX_AUTHENTICATION_POST_BYTES];
+ unsigned int len;
- for(t=txt; *t != '\n' && t != '\0'; t++)
- ;
- *t = '\0';
- return t-txt-1;
+ open_auth_filter("authenticate-post");
+ len = ctx.env.content_length;
+ if (len > MAX_AUTHENTICATION_POST_BYTES)
+ len = MAX_AUTHENTICATION_POST_BYTES;
+ if (read(STDIN_FILENO, buffer, len) < 0)
+ die_errno("Could not read POST from stdin");
+ if (write(STDOUT_FILENO, buffer, len) < 0)
+ die_errno("Could not write POST to stdout");
+ cgit_close_filter(ctx.cfg.auth_filter);
+ exit(0);
}
-static void cgit_print_commit_shortlog(struct commit *commit)
+static inline void authenticate_cookie(void)
{
- char *h, *t, *p;
- char *tree = NULL, *author = NULL, *subject = NULL;
- int len;
- time_t sec;
- struct tm *time;
- char buf[32];
-
- h = t = commit->buffer;
-
- if (strncmp(h, "tree ", 5))
- die("Bad commit format: %s",
- sha1_to_hex(commit->object.sha1));
-
- len = get_one_line(h);
- tree = h+5;
- h += len + 2;
-
- while (!strncmp(h, "parent ", 7))
- h += get_one_line(h) + 2;
-
- if (!strncmp(h, "author ", 7)) {
- author = h+7;
- h += get_one_line(h) + 2;
- t = author;
- while(t!=h && *t!='<')
- t++;
- *t='\0';
- p = t;
- while(--t!=author && *t==' ')
- *t='\0';
- while(++p!=h && *p!='>')
- ;
- while(++p!=h && !isdigit(*p))
- ;
-
- t = p;
- while(++p && isdigit(*p))
- ;
- *p = '\0';
- sec = atoi(t);
- time = gmtime(&sec);
+ /* If we don't have an auth_filter, consider all cookies valid, and thus return early. */
+ if (!ctx.cfg.auth_filter) {
+ ctx.env.authenticated = 1;
+ return;
+ }
+
+ /* If we're having something POST'd to /login, we're authenticating POST,
+ * instead of the cookie, so call authenticate_post and bail out early.
+ * This pattern here should match /?p=login with POST. */
+ if (ctx.env.request_method && ctx.qry.page && !ctx.repo && \
+ !strcmp(ctx.env.request_method, "POST") && !strcmp(ctx.qry.page, "login")) {
+ authenticate_post();
+ return;
}
- while((len = get_one_line(h)) > 0)
- h += len+2;
-
- h++;
- len = get_one_line(h);
-
- subject = h;
-
- html("<tr><td>");
- strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
- html_txt(buf);
- html("</td><td>");
- char *qry = fmt("id=%s", sha1_to_hex(commit->object.sha1));
- char *url = cgit_pageurl(cgit_query_repo, "view", qry);
- html_link_open(url, NULL, NULL);
- html_txt(subject);
- html_link_close();
- html("</td><td>");
- html_txt(author);
- html("</td></tr>\n");
+ /* If we've made it this far, we're authenticating the cookie for real, so do that. */
+ open_auth_filter("authenticate-cookie");
+ ctx.env.authenticated = cgit_close_filter(ctx.cfg.auth_filter);
}
-static void cgit_print_log(const char *tip, int ofs, int cnt)
+static void process_request(void)
{
- struct rev_info rev;
- struct commit *commit;
- const char *argv[2] = {NULL, tip};
- int n = 0;
-
- init_revisions(&rev, NULL);
- rev.abbrev = DEFAULT_ABBREV;
- rev.commit_format = CMIT_FMT_DEFAULT;
- rev.verbose_header = 1;
- rev.show_root_diff = 0;
- setup_revisions(2, argv, &rev, NULL);
- prepare_revision_walk(&rev);
-
- html("<h2>Log</h2>");
- html("<table class='list'>");
- html("<tr><th>Date</th><th>Message</th><th>Author</th></tr>\n");
- while ((commit = get_revision(&rev)) != NULL && n++ < 100) {
- cgit_print_commit_shortlog(commit);
- free(commit->buffer);
- commit->buffer = NULL;
- free_commit_list(commit->parents);
- commit->parents = NULL;
+ struct cgit_cmd *cmd;
+
+ /* If we're not yet authenticated, no matter what page we're on,
+ * display the authentication body from the auth_filter. This should
+ * never be cached. */
+ if (!ctx.env.authenticated) {
+ ctx.page.title = "Authentication Required";
+ cgit_print_http_headers();
+ cgit_print_docstart();
+ cgit_print_pageheader();
+ open_auth_filter("body");
+ cgit_close_filter(ctx.cfg.auth_filter);
+ cgit_print_docend();
+ return;
}
- html("</table>\n");
-}
-static void cgit_print_repo_summary()
-{
- html("<h2>");
- html_txt("Repo summary page");
- html("</h2>");
- cgit_print_branches();
-}
+ cmd = cgit_get_cmd();
+ if (!cmd) {
+ ctx.page.title = "cgit error";
+ cgit_print_error_page(404, "Not found", "Invalid request");
+ return;
+ }
-static void cgit_print_object(char *hex)
-{
- unsigned char sha1[20];
- //struct object *object;
- char type[20];
- unsigned char *buf;
- unsigned long size;
-
- if (get_sha1_hex(hex, sha1)){
- htmlf(cgit_error, "Bad hex value");
- return;
+ if (!ctx.cfg.enable_http_clone && cmd->is_clone) {
+ ctx.page.title = "cgit error";
+ cgit_print_error_page(404, "Not found", "Invalid request");
+ return;
}
- if (sha1_object_info(sha1, type, NULL)){
- htmlf(cgit_error, "Bad object name");
+ /* If cmd->want_vpath is set, assume ctx.qry.path contains a "virtual"
+ * in-project path limit to be made available at ctx.qry.vpath.
+ * Otherwise, no path limit is in effect (ctx.qry.vpath = NULL).
+ */
+ ctx.qry.vpath = cmd->want_vpath ? ctx.qry.path : NULL;
+
+ if (cmd->want_repo && !ctx.repo) {
+ cgit_print_error_page(400, "Bad request",
+ "No repository selected");
return;
}
- buf = read_sha1_file(sha1, type, &size);
- if (!buf) {
- htmlf(cgit_error, "Error reading object");
+ if (ctx.repo && prepare_repo_cmd())
return;
+
+ cmd->fn();
+}
+
+static int cmp_repos(const void *a, const void *b)
+{
+ const struct cgit_repo *ra = a, *rb = b;
+ return strcmp(ra->url, rb->url);
+}
+
+static char *build_snapshot_setting(int bitmap)
+{
+ const struct cgit_snapshot_format *f;
+ struct strbuf result = STRBUF_INIT;
+
+ for (f = cgit_snapshot_formats; f->suffix; f++) {
+ if (f->bit & bitmap) {
+ if (result.len)
+ strbuf_addch(&result, ' ');
+ strbuf_addstr(&result, f->suffix);
+ }
}
+ return strbuf_detach(&result, NULL);
+}
- buf[size] = '\0';
- html("<h2>Object view</h2>");
- htmlf("sha1=%s<br/>type=%s<br/>size=%i<br/>", hex, type, size);
- html("<pre>");
- html_txt(buf);
- html("</pre>");
+static char *get_first_line(char *txt)
+{
+ char *t = xstrdup(txt);
+ char *p = strchr(t, '\n');
+ if (p)
+ *p = '\0';
+ return t;
}
-static void cgit_print_repo_page()
+static void print_repo(FILE *f, struct cgit_repo *repo)
{
- if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) ||
- cgit_read_config("info/cgit", cgit_repo_config_cb)) {
- char *title = fmt("%s - %s", cgit_root_title, "Bad request");
- cgit_print_docstart(title);
- cgit_print_pageheader(title);
- htmlf(cgit_lib_error, "Unable to scan repository",
- strerror(errno));
- cgit_print_docend();
- return;
+ struct string_list_item *item;
+ fprintf(f, "repo.url=%s\n", repo->url);
+ fprintf(f, "repo.name=%s\n", repo->name);
+ fprintf(f, "repo.path=%s\n", repo->path);
+ if (repo->owner)
+ fprintf(f, "repo.owner=%s\n", repo->owner);
+ if (repo->desc) {
+ char *tmp = get_first_line(repo->desc);
+ fprintf(f, "repo.desc=%s\n", tmp);
+ free(tmp);
+ }
+ for_each_string_list_item(item, &repo->readme) {
+ if (item->util)
+ fprintf(f, "repo.readme=%s:%s\n", (char *)item->util, item->string);
+ else
+ fprintf(f, "repo.readme=%s\n", item->string);
}
- setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
- char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
- cgit_print_docstart(title);
- cgit_print_pageheader(title);
- if (!cgit_query_page)
- cgit_print_repo_summary();
- else if (!strcmp(cgit_query_page, "log")) {
- cgit_print_log(cgit_query_head, 0, 100);
- } else if (!strcmp(cgit_query_page, "view")) {
- cgit_print_object(cgit_query_sha1);
+ if (repo->defbranch)
+ fprintf(f, "repo.defbranch=%s\n", repo->defbranch);
+ if (repo->module_link)
+ fprintf(f, "repo.module-link=%s\n", repo->module_link);
+ if (repo->section)
+ fprintf(f, "repo.section=%s\n", repo->section);
+ if (repo->homepage)
+ fprintf(f, "repo.homepage=%s\n", repo->homepage);
+ if (repo->clone_url)
+ fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
+ fprintf(f, "repo.enable-commit-graph=%d\n",
+ repo->enable_commit_graph);
+ fprintf(f, "repo.enable-log-filecount=%d\n",
+ repo->enable_log_filecount);
+ fprintf(f, "repo.enable-log-linecount=%d\n",
+ repo->enable_log_linecount);
+ if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter)
+ cgit_fprintf_filter(repo->about_filter, f, "repo.about-filter=");
+ if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter)
+ cgit_fprintf_filter(repo->commit_filter, f, "repo.commit-filter=");
+ if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter)
+ cgit_fprintf_filter(repo->source_filter, f, "repo.source-filter=");
+ if (repo->email_filter && repo->email_filter != ctx.cfg.email_filter)
+ cgit_fprintf_filter(repo->email_filter, f, "repo.email-filter=");
+ if (repo->owner_filter && repo->owner_filter != ctx.cfg.owner_filter)
+ cgit_fprintf_filter(repo->owner_filter, f, "repo.owner-filter=");
+ if (repo->snapshots != ctx.cfg.snapshots) {
+ char *tmp = build_snapshot_setting(repo->snapshots);
+ fprintf(f, "repo.snapshots=%s\n", tmp ? tmp : "");
+ free(tmp);
}
- cgit_print_docend();
+ if (repo->max_stats != ctx.cfg.max_stats)
+ fprintf(f, "repo.max-stats=%s\n",
+ cgit_find_stats_periodname(repo->max_stats));
+ if (repo->logo)
+ fprintf(f, "repo.logo=%s\n", repo->logo);
+ if (repo->logo_link)
+ fprintf(f, "repo.logo-link=%s\n", repo->logo_link);
+ fprintf(f, "repo.enable-remote-branches=%d\n", repo->enable_remote_branches);
+ fprintf(f, "repo.enable-subject-links=%d\n", repo->enable_subject_links);
+ fprintf(f, "repo.enable-html-serving=%d\n", repo->enable_html_serving);
+ if (repo->branch_sort == 1)
+ fprintf(f, "repo.branch-sort=age\n");
+ if (repo->commit_sort) {
+ if (repo->commit_sort == 1)
+ fprintf(f, "repo.commit-sort=date\n");
+ else if (repo->commit_sort == 2)
+ fprintf(f, "repo.commit-sort=topo\n");
+ }
+ fprintf(f, "repo.hide=%d\n", repo->hide);
+ fprintf(f, "repo.ignore=%d\n", repo->ignore);
+ fprintf(f, "\n");
+}
+
+static void print_repolist(FILE *f, struct cgit_repolist *list, int start)
+{
+ int i;
+
+ for (i = start; i < list->count; i++)
+ print_repo(f, &list->repos[i]);
}
-static void cgit_fill_cache(struct cacheitem *item)
+/* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc'
+ * and return 0 on success.
+ */
+static int generate_cached_repolist(const char *path, const char *cached_rc)
{
- htmlfd = item->fd;
- item->st.st_mtime = time(NULL);
- if (cgit_query_repo)
- cgit_print_repo_page();
+ struct strbuf locked_rc = STRBUF_INIT;
+ int result = 0;
+ int idx;
+ FILE *f;
+
+ strbuf_addf(&locked_rc, "%s.lock", cached_rc);
+ f = fopen(locked_rc.buf, "wx");
+ if (!f) {
+ /* Inform about the error unless the lockfile already existed,
+ * since that only means we've got concurrent requests.
+ */
+ result = errno;
+ if (result != EEXIST)
+ fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n",
+ locked_rc.buf, strerror(result), result);
+ goto out;
+ }
+ idx = cgit_repolist.count;
+ if (ctx.cfg.project_list)
+ scan_projects(path, ctx.cfg.project_list, repo_config);
else
- cgit_print_repolist();
+ scan_tree(path, repo_config);
+ print_repolist(f, &cgit_repolist, idx);
+ if (rename(locked_rc.buf, cached_rc))
+ fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
+ locked_rc.buf, cached_rc, strerror(errno), errno);
+ fclose(f);
+out:
+ strbuf_release(&locked_rc);
+ return result;
+}
+
+static void process_cached_repolist(const char *path)
+{
+ struct stat st;
+ struct strbuf cached_rc = STRBUF_INIT;
+ time_t age;
+ unsigned long hash;
+
+ hash = hash_str(path);
+ if (ctx.cfg.project_list)
+ hash += hash_str(ctx.cfg.project_list);
+ strbuf_addf(&cached_rc, "%s/rc-%8lx", ctx.cfg.cache_root, hash);
+
+ if (stat(cached_rc.buf, &st)) {
+ /* Nothing is cached, we need to scan without forking. And
+ * if we fail to generate a cached repolist, we need to
+ * invoke scan_tree manually.
+ */
+ if (generate_cached_repolist(path, cached_rc.buf)) {
+ if (ctx.cfg.project_list)
+ scan_projects(path, ctx.cfg.project_list,
+ repo_config);
+ else
+ scan_tree(path, repo_config);
+ }
+ goto out;
+ }
+
+ parse_configfile(cached_rc.buf, config_cb);
+
+ /* If the cached configfile hasn't expired, lets exit now */
+ age = time(NULL) - st.st_mtime;
+ if (age <= (ctx.cfg.cache_scanrc_ttl * 60))
+ goto out;
+
+ /* The cached repolist has been parsed, but it was old. So lets
+ * rescan the specified path and generate a new cached repolist
+ * in a child-process to avoid latency for the current request.
+ */
+ if (fork())
+ goto out;
+
+ exit(generate_cached_repolist(path, cached_rc.buf));
+out:
+ strbuf_release(&cached_rc);
}
-static void cgit_refresh_cache(struct cacheitem *item)
+static void cgit_parse_args(int argc, const char **argv)
{
- top:
- if (!cache_lookup(item)) {
- if (cache_lock(item)) {
- cgit_fill_cache(item);
- cache_unlock(item);
- } else {
- sched_yield();
- goto top;
+ int i;
+ const char *arg;
+ int scan = 0;
+
+ for (i = 1; i < argc; i++) {
+ if (!strcmp(argv[i], "--version")) {
+ printf("CGit %s | https://git.zx2c4.com/cgit/\n\nCompiled in features:\n", CGIT_VERSION);
+#ifdef NO_LUA
+ printf("[-] ");
+#else
+ printf("[+] ");
+#endif
+ printf("Lua scripting\n");
+#ifndef HAVE_LINUX_SENDFILE
+ printf("[-] ");
+#else
+ printf("[+] ");
+#endif
+ printf("Linux sendfile() usage\n");
+
+ exit(0);
}
- } else if (cache_expired(item)) {
- if (cache_lock(item)) {
- cgit_fill_cache(item);
- cache_unlock(item);
+ if (skip_prefix(argv[i], "--cache=", &arg)) {
+ ctx.cfg.cache_root = xstrdup(arg);
+ } else if (!strcmp(argv[i], "--nocache")) {
+ ctx.cfg.nocache = 1;
+ } else if (!strcmp(argv[i], "--nohttp")) {
+ ctx.env.no_http = "1";
+ } else if (skip_prefix(argv[i], "--query=", &arg)) {
+ ctx.qry.raw = xstrdup(arg);
+ } else if (skip_prefix(argv[i], "--repo=", &arg)) {
+ ctx.qry.repo = xstrdup(arg);
+ } else if (skip_prefix(argv[i], "--page=", &arg)) {
+ ctx.qry.page = xstrdup(arg);
+ } else if (skip_prefix(argv[i], "--head=", &arg)) {
+ ctx.qry.head = xstrdup(arg);
+ ctx.qry.has_symref = 1;
+ } else if (skip_prefix(argv[i], "--sha1=", &arg)) {
+ ctx.qry.sha1 = xstrdup(arg);
+ ctx.qry.has_sha1 = 1;
+ } else if (skip_prefix(argv[i], "--ofs=", &arg)) {
+ ctx.qry.ofs = atoi(arg);
+ } else if (skip_prefix(argv[i], "--scan-tree=", &arg) ||
+ skip_prefix(argv[i], "--scan-path=", &arg)) {
+ /*
+ * HACK: The global snapshot bit mask defines the set
+ * of allowed snapshot formats, but the config file
+ * hasn't been parsed yet so the mask is currently 0.
+ * By setting all bits high before scanning we make
+ * sure that any in-repo cgitrc snapshot setting is
+ * respected by scan_tree().
+ *
+ * NOTE: We assume that there aren't more than 8
+ * different snapshot formats supported by cgit...
+ */
+ ctx.cfg.snapshots = 0xFF;
+ scan++;
+ scan_tree(arg, repo_config);
}
}
+ if (scan) {
+ qsort(cgit_repolist.repos, cgit_repolist.count,
+ sizeof(struct cgit_repo), cmp_repos);
+ print_repolist(stdout, &cgit_repolist, 0);
+ exit(0);
+ }
}
-static void cgit_print_cache(struct cacheitem *item)
+static int calc_ttl(void)
{
- static char buf[4096];
- ssize_t i;
+ if (!ctx.repo)
+ return ctx.cfg.cache_root_ttl;
+
+ if (!ctx.qry.page)
+ return ctx.cfg.cache_repo_ttl;
- int fd = open(item->name, O_RDONLY);
- if (fd<0)
- die("Unable to open cached file %s", item->name);
+ if (!strcmp(ctx.qry.page, "about"))
+ return ctx.cfg.cache_about_ttl;
- while((i=read(fd, buf, sizeof(buf))) > 0)
- write(STDOUT_FILENO, buf, i);
+ if (!strcmp(ctx.qry.page, "snapshot"))
+ return ctx.cfg.cache_snapshot_ttl;
- close(fd);
+ if (ctx.qry.has_sha1)
+ return ctx.cfg.cache_static_ttl;
+
+ if (ctx.qry.has_symref)
+ return ctx.cfg.cache_dynamic_ttl;
+
+ return ctx.cfg.cache_repo_ttl;
}
-int main(int argc, const char **argv)
+int cmd_main(int argc, const char **argv)
{
- cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
- cgit_querystring = xstrdup(getenv("QUERY_STRING"));
- cgit_parse_query(cgit_querystring, cgit_querystring_cb);
- cgit_refresh_cache(&cacheitem);
- cgit_print_cache(&cacheitem);
- return 0;
+ const char *path;
+ int err, ttl;
+
+ cgit_init_filters();
+ atexit(cgit_cleanup_filters);
+
+ prepare_context();
+ cgit_repolist.length = 0;
+ cgit_repolist.count = 0;
+ cgit_repolist.repos = NULL;
+
+ cgit_parse_args(argc, argv);
+ parse_configfile(expand_macros(ctx.env.cgit_config), config_cb);
+ ctx.repo = NULL;
+ http_parse_querystring(ctx.qry.raw, querystring_cb);
+
+ /* If virtual-root isn't specified in cgitrc, lets pretend
+ * that virtual-root equals SCRIPT_NAME, minus any possibly
+ * trailing slashes.
+ */
+ if (!ctx.cfg.virtual_root && ctx.cfg.script_name)
+ ctx.cfg.virtual_root = ensure_end(ctx.cfg.script_name, '/');
+
+ /* If no url parameter is specified on the querystring, lets
+ * use PATH_INFO as url. This allows cgit to work with virtual
+ * urls without the need for rewriterules in the webserver (as
+ * long as PATH_INFO is included in the cache lookup key).
+ */
+ path = ctx.env.path_info;
+ if (!ctx.qry.url && path) {
+ if (path[0] == '/')
+ path++;
+ ctx.qry.url = xstrdup(path);
+ if (ctx.qry.raw) {
+ char *newqry = fmtalloc("%s?%s", path, ctx.qry.raw);
+ free(ctx.qry.raw);
+ ctx.qry.raw = newqry;
+ } else
+ ctx.qry.raw = xstrdup(ctx.qry.url);
+ cgit_parse_url(ctx.qry.url);
+ }
+
+ /* Before we go any further, we set ctx.env.authenticated by checking to see
+ * if the supplied cookie is valid. All cookies are valid if there is no
+ * auth_filter. If there is an auth_filter, the filter decides. */
+ authenticate_cookie();
+
+ ttl = calc_ttl();
+ if (ttl < 0)
+ ctx.page.expires += 10 * 365 * 24 * 60 * 60; /* 10 years */
+ else
+ ctx.page.expires += ttl * 60;
+ if (!ctx.env.authenticated || (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD")))
+ ctx.cfg.nocache = 1;
+ if (ctx.cfg.nocache)
+ ctx.cfg.cache_size = 0;
+ err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
+ ctx.qry.raw, ttl, process_request);
+ cgit_cleanup_filters();
+ if (err)
+ cgit_print_error("Error processing page: %s (%d)",
+ strerror(err), err);
+ return err;
}
projects / ps-cgit / blobdiff