1 files changed, 8 insertions, 0 deletions
diff --git a/cgit.c b/cgit.c
index 09c857c..808ffe9 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,192 +1,200 @@
+/* cgit.c: cgi for the git scm
+ *
+ * Copyright (C) 2006 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
 #include "cgit.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";
 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;
 char *cgit_querystring  = NULL;
 char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
 char *cgit_query_sha1   = NULL;
 struct cacheitem cacheitem;
 int cgit_parse_query(char *txt, configfn fn)
 {
        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++;
        }
        if (t!=txt)
                (*fn)(txt, value);
        return 0;
 }
 void cgit_global_config_cb(const char *name, const char *value)
 {
        if (!strcmp(name, "root"))
                cgit_root = xstrdup(value);
        else if (!strcmp(name, "root-title"))
                cgit_root_title = xstrdup(value);
        else if (!strcmp(name, "css"))
                cgit_css = xstrdup(value);
        else if (!strcmp(name, "logo"))
                cgit_logo = xstrdup(value);
        else if (!strcmp(name, "logo-link"))
                cgit_logo_link = xstrdup(value);
        else if (!strcmp(name, "virtual-root"))
                cgit_virtual_root = xstrdup(value);
 }
 void cgit_repo_config_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);
 }
 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;
        } else if (!strcmp(name, "id")) {
                cgit_query_sha1 = xstrdup(value);
                cgit_query_has_sha1 = 1;
        }
 }
 char *cgit_repourl(const char *reponame)
 {
        if (cgit_virtual_root) {
                return fmt("%s/%s/", cgit_virtual_root, reponame);
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 char *cgit_pageurl(const char *reponame, const char *pagename, 
                   const char *query)
 {
        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);
        }
 }
 static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
                                int flags, void *cb_data)
 {
        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;
 }
 /* Sun, 06 Nov 1994 08:49:37 GMT */
 static char *http_date(time_t t)
 {
        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);
 }
 static int ttl_seconds(int ttl)
 {
        if (ttl<0)
                return 60 * 60 * 24 * 365;
        else 
                return ttl * 60;
 }
 static void cgit_print_docstart(char *title)
 {
        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>");