int main(int argc, const char **argv)
{
const char *path;
char *qry;
int err, ttl;
prepare_context(&ctx);
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 = trim_end(ctx.cfg.script_name, '/');
if (!ctx.cfg.virtual_root)
ctx.cfg.virtual_root = "";
}
/* 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) {
qry = ctx.qry.raw;
ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
free(qry);
} else
ctx.qry.raw = xstrdup(ctx.qry.url);
cgit_parse_url(ctx.qry.url);
}
ttl = calc_ttl();
ctx.page.expires += ttl * 60;
if (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, &ctx);
if (err)
cgit_print_error(fmt("Error processing page: %s (%d)",
strerror(err), err));
return err;
}
/** Parse the initial request line
* Also modify data of client (padding NULL)
* @return position of the last char parsed
* NULL on error
*/
static
char *http_parse_request(struct request_t *self, char *data, int len) {
char *end;
/* method */
end = memchr(data, ' ', len);
if (end == NULL) {
A_ERR("no method %d: %.*s", len, len, data);
return NULL;
}
*end = '\0';
self->method = data;
/* url */
len -= end - data + 1;
if (len <= 0) {
A_ERR("no url %d", len);
return NULL;
}
data = end + 1;
if (*data != '/') {
A_ERR("url does not start with / %.*s", len, data);
return NULL;
}
end = memchr(data + 1, ' ', len); /* already know the first char */
if (end == NULL) {
A_ERR("no url %d: %.*s", len, len, data);
return NULL;
}
*end = '\0';
self->url = data;
/* query string in url */
self->query_string = http_parse_querystring(self->url);
/* version */
len -= end - data + 1;
if (len <= 0) {
A_ERR("no version %d", len);
return NULL;
}
data = end + 1;
end = memchr(data, '\n', len);
if (end == NULL) {
A_ERR("no version %d: %.*s", len, len, data);
return NULL;
}
if (*(end - 1) == '\r') { /* \r\n */
*(end - 1) = '\0';
} else {
*end = '\0';
}
self->version = data;
return end + 1;
}
