475 lines
13 KiB
C
475 lines
13 KiB
C
/* 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"
|
|
#include "cache.h"
|
|
#include "cmd.h"
|
|
#include "configfile.h"
|
|
#include "html.h"
|
|
#include "ui-shared.h"
|
|
#include "scan-tree.h"
|
|
|
|
const char *cgit_version = CGIT_VERSION;
|
|
|
|
void config_cb(const char *name, const char *value)
|
|
{
|
|
if (!strcmp(name, "root-title"))
|
|
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"))
|
|
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, "logo"))
|
|
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"))
|
|
ctx.cfg.logo_link = xstrdup(value);
|
|
else if (!strcmp(name, "module-link"))
|
|
ctx.cfg.module_link = xstrdup(value);
|
|
else if (!strcmp(name, "virtual-root")) {
|
|
ctx.cfg.virtual_root = trim_end(value, '/');
|
|
if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
|
|
ctx.cfg.virtual_root = "";
|
|
} else if (!strcmp(name, "nocache"))
|
|
ctx.cfg.nocache = atoi(value);
|
|
else if (!strcmp(name, "snapshots"))
|
|
ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
|
|
else if (!strcmp(name, "enable-index-links"))
|
|
ctx.cfg.enable_index_links = 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, "cache-size"))
|
|
ctx.cfg.cache_size = atoi(value);
|
|
else if (!strcmp(name, "cache-root"))
|
|
ctx.cfg.cache_root = xstrdup(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-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, "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-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, "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, "agefile"))
|
|
ctx.cfg.agefile = xstrdup(value);
|
|
else if (!strcmp(name, "renamelimit"))
|
|
ctx.cfg.renamelimit = 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, "local-time"))
|
|
ctx.cfg.local_time = atoi(value);
|
|
else if (!strcmp(name, "repo.group"))
|
|
ctx.cfg.repo_group = xstrdup(value);
|
|
else if (!strcmp(name, "repo.url"))
|
|
ctx.repo = cgit_add_repo(value);
|
|
else if (!strcmp(name, "repo.name"))
|
|
ctx.repo->name = xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.path"))
|
|
ctx.repo->path = trim_end(value, '/');
|
|
else if (ctx.repo && !strcmp(name, "repo.clone-url"))
|
|
ctx.repo->clone_url = xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.desc"))
|
|
ctx.repo->desc = xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.owner"))
|
|
ctx.repo->owner = xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.defbranch"))
|
|
ctx.repo->defbranch = xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.snapshots"))
|
|
ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
|
|
else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
|
|
ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
|
|
ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.module-link"))
|
|
ctx.repo->module_link= xstrdup(value);
|
|
else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
|
|
if (*value == '/')
|
|
ctx.repo->readme = xstrdup(value);
|
|
else
|
|
ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
|
|
} else if (!strcmp(name, "include"))
|
|
parse_configfile(value, config_cb);
|
|
}
|
|
|
|
static void querystring_cb(const char *name, const char *value)
|
|
{
|
|
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")) {
|
|
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")) {
|
|
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, "mimetype")) {
|
|
ctx.qry.mimetype = xstrdup(value);
|
|
} else if (!strcmp(name, "showmsg")) {
|
|
ctx.qry.showmsg = atoi(value);
|
|
}
|
|
}
|
|
|
|
static void prepare_context(struct cgit_context *ctx)
|
|
{
|
|
memset(ctx, 0, sizeof(ctx));
|
|
ctx->cfg.agefile = "info/web/last-modified";
|
|
ctx->cfg.nocache = 0;
|
|
ctx->cfg.cache_size = 0;
|
|
ctx->cfg.cache_dynamic_ttl = 5;
|
|
ctx->cfg.cache_max_create_time = 5;
|
|
ctx->cfg.cache_repo_ttl = 5;
|
|
ctx->cfg.cache_root = CGIT_CACHE_ROOT;
|
|
ctx->cfg.cache_root_ttl = 5;
|
|
ctx->cfg.cache_static_ttl = -1;
|
|
ctx->cfg.css = "/cgit.css";
|
|
ctx->cfg.logo = "/git-logo.png";
|
|
ctx->cfg.local_time = 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.module_link = "./?repo=%s&page=commit&id=%s";
|
|
ctx->cfg.renamelimit = -1;
|
|
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.script_name = CGIT_SCRIPT_NAME;
|
|
ctx->cfg.summary_branches = 10;
|
|
ctx->cfg.summary_log = 10;
|
|
ctx->cfg.summary_tags = 10;
|
|
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;
|
|
}
|
|
|
|
struct refmatch {
|
|
char *req_ref;
|
|
char *first_ref;
|
|
int match;
|
|
};
|
|
|
|
int find_current_ref(const char *refname, const unsigned char *sha1,
|
|
int flags, void *cb_data)
|
|
{
|
|
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;
|
|
}
|
|
|
|
char *find_default_branch(struct cgit_repo *repo)
|
|
{
|
|
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);
|
|
return ref;
|
|
}
|
|
|
|
static int prepare_repo_cmd(struct cgit_context *ctx)
|
|
{
|
|
char *tmp;
|
|
unsigned char sha1[20];
|
|
int nongit = 0;
|
|
|
|
setenv("GIT_DIR", ctx->repo->path, 1);
|
|
setup_git_directory_gently(&nongit);
|
|
if (nongit) {
|
|
ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
|
|
"config error");
|
|
tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
|
|
ctx->repo = NULL;
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
cgit_print_error(tmp);
|
|
cgit_print_docend();
|
|
return 1;
|
|
}
|
|
ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
|
|
|
|
if (!ctx->qry.head) {
|
|
ctx->qry.nohead = 1;
|
|
ctx->qry.head = find_default_branch(ctx->repo);
|
|
ctx->repo->defbranch = ctx->qry.head;
|
|
}
|
|
|
|
if (!ctx->qry.head) {
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
cgit_print_error("Repository seems to be empty");
|
|
cgit_print_docend();
|
|
return 1;
|
|
}
|
|
|
|
if (get_sha1(ctx->qry.head, sha1)) {
|
|
tmp = xstrdup(ctx->qry.head);
|
|
ctx->qry.head = ctx->repo->defbranch;
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
cgit_print_error(fmt("Invalid branch: %s", tmp));
|
|
cgit_print_docend();
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void process_request(void *cbdata)
|
|
{
|
|
struct cgit_context *ctx = cbdata;
|
|
struct cgit_cmd *cmd;
|
|
|
|
cmd = cgit_get_cmd(ctx);
|
|
if (!cmd) {
|
|
ctx->page.title = "cgit error";
|
|
ctx->repo = NULL;
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
cgit_print_error("Invalid request");
|
|
cgit_print_docend();
|
|
return;
|
|
}
|
|
|
|
if (cmd->want_repo && !ctx->repo) {
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
cgit_print_error(fmt("No repository selected"));
|
|
cgit_print_docend();
|
|
return;
|
|
}
|
|
|
|
if (ctx->repo && prepare_repo_cmd(ctx))
|
|
return;
|
|
|
|
if (cmd->want_layout) {
|
|
cgit_print_http_headers(ctx);
|
|
cgit_print_docstart(ctx);
|
|
cgit_print_pageheader(ctx);
|
|
}
|
|
|
|
cmd->fn(ctx);
|
|
|
|
if (cmd->want_layout)
|
|
cgit_print_docend();
|
|
}
|
|
|
|
int cmp_repos(const void *a, const void *b)
|
|
{
|
|
const struct cgit_repo *ra = a, *rb = b;
|
|
return strcmp(ra->url, rb->url);
|
|
}
|
|
|
|
void print_repo(struct cgit_repo *repo)
|
|
{
|
|
printf("repo.url=%s\n", repo->url);
|
|
printf("repo.name=%s\n", repo->name);
|
|
printf("repo.path=%s\n", repo->path);
|
|
if (repo->owner)
|
|
printf("repo.owner=%s\n", repo->owner);
|
|
if (repo->desc)
|
|
printf("repo.desc=%s\n", repo->desc);
|
|
if (repo->readme)
|
|
printf("repo.readme=%s\n", repo->readme);
|
|
printf("\n");
|
|
}
|
|
|
|
void print_repolist(struct cgit_repolist *list)
|
|
{
|
|
int i;
|
|
|
|
for(i = 0; i < list->count; i++)
|
|
print_repo(&list->repos[i]);
|
|
}
|
|
|
|
|
|
static void cgit_parse_args(int argc, const char **argv)
|
|
{
|
|
int i;
|
|
int scan = 0;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
if (!strncmp(argv[i], "--cache=", 8)) {
|
|
ctx.cfg.cache_root = xstrdup(argv[i]+8);
|
|
}
|
|
if (!strcmp(argv[i], "--nocache")) {
|
|
ctx.cfg.nocache = 1;
|
|
}
|
|
if (!strncmp(argv[i], "--query=", 8)) {
|
|
ctx.qry.raw = xstrdup(argv[i]+8);
|
|
}
|
|
if (!strncmp(argv[i], "--repo=", 7)) {
|
|
ctx.qry.repo = xstrdup(argv[i]+7);
|
|
}
|
|
if (!strncmp(argv[i], "--page=", 7)) {
|
|
ctx.qry.page = xstrdup(argv[i]+7);
|
|
}
|
|
if (!strncmp(argv[i], "--head=", 7)) {
|
|
ctx.qry.head = xstrdup(argv[i]+7);
|
|
ctx.qry.has_symref = 1;
|
|
}
|
|
if (!strncmp(argv[i], "--sha1=", 7)) {
|
|
ctx.qry.sha1 = xstrdup(argv[i]+7);
|
|
ctx.qry.has_sha1 = 1;
|
|
}
|
|
if (!strncmp(argv[i], "--ofs=", 6)) {
|
|
ctx.qry.ofs = atoi(argv[i]+6);
|
|
}
|
|
if (!strncmp(argv[i], "--scan-tree=", 12)) {
|
|
scan++;
|
|
scan_tree(argv[i] + 12);
|
|
}
|
|
}
|
|
if (scan) {
|
|
qsort(cgit_repolist.repos, cgit_repolist.count,
|
|
sizeof(struct cgit_repo), cmp_repos);
|
|
print_repolist(&cgit_repolist);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
static int calc_ttl()
|
|
{
|
|
if (!ctx.repo)
|
|
return ctx.cfg.cache_root_ttl;
|
|
|
|
if (!ctx.qry.page)
|
|
return ctx.cfg.cache_repo_ttl;
|
|
|
|
if (ctx.qry.has_symref)
|
|
return ctx.cfg.cache_dynamic_ttl;
|
|
|
|
if (ctx.qry.has_sha1)
|
|
return ctx.cfg.cache_static_ttl;
|
|
|
|
return ctx.cfg.cache_repo_ttl;
|
|
}
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
const char *cgit_config_env = getenv("CGIT_CONFIG");
|
|
const char *path;
|
|
char *qry;
|
|
int err, ttl;
|
|
|
|
prepare_context(&ctx);
|
|
cgit_repolist.length = 0;
|
|
cgit_repolist.count = 0;
|
|
cgit_repolist.repos = NULL;
|
|
|
|
if (getenv("SCRIPT_NAME"))
|
|
ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
|
|
if (getenv("QUERY_STRING"))
|
|
ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
|
|
cgit_parse_args(argc, argv);
|
|
parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
|
|
config_cb);
|
|
ctx.repo = NULL;
|
|
http_parse_querystring(ctx.qry.raw, querystring_cb);
|
|
|
|
/* If virtual-root isn't specified in cgitrc and no url
|
|
* parameter is specified on the querystring, lets pretend
|
|
* that virtualroot equals SCRIPT_NAME and 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).
|
|
*/
|
|
if (!ctx.cfg.virtual_root && !ctx.qry.url) {
|
|
ctx.cfg.virtual_root = ctx.cfg.script_name;
|
|
path = getenv("PATH_INFO");
|
|
if (path) {
|
|
if (path[0] == '/')
|
|
path++;
|
|
ctx.qry.url = xstrdup(path);
|
|
if (ctx.qry.raw) {
|
|
qry = ctx.qry.raw;
|
|
ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
|
|
free(qry);
|
|
} else
|
|
ctx.qry.raw = ctx.qry.url;
|
|
cgit_parse_url(ctx.qry.url);
|
|
}
|
|
}
|
|
|
|
ttl = calc_ttl();
|
|
ctx.page.expires += ttl*60;
|
|
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, &ctx);
|
|
if (err)
|
|
cgit_print_error(fmt("Error processing page: %s (%d)",
|
|
strerror(err), err));
|
|
return err;
|
|
}
|