X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/732d68d240b95dc428c92fc94bce9adb8912094e..cd79c16844b4006d4fd6f4b82d2f6e7e19b20c8e:/cgit.c diff --git a/cgit.c b/cgit.c index fba97d7..b936a70 100644 --- a/cgit.c +++ b/cgit.c @@ -10,52 +10,135 @@ const char cgit_version[] = CGIT_VERSION; -static void cgit_print_repo_page(struct cacheitem *item) + +static int cgit_prepare_cache(struct cacheitem *item) { - if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) || - cgit_read_config("info/cgit", cgit_repo_config_cb)) { + if (!cgit_repo && cgit_query_repo) { char *title = fmt("%s - %s", cgit_root_title, "Bad request"); cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); + cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); + cgit_print_docend(); + return 0; + } + + if (!cgit_repo) { + item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); + item->ttl = cgit_cache_root_ttl; + return 1; + } + + if (!cgit_cmd) { + item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, + cache_safe_filename(cgit_repo->url))); + item->ttl = cgit_cache_repo_ttl; + } else { + item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, + cache_safe_filename(cgit_repo->url), cgit_query_page, + cache_safe_filename(cgit_querystring))); + if (cgit_query_has_symref) + item->ttl = cgit_cache_dynamic_ttl; + else if (cgit_query_has_sha1) + item->ttl = cgit_cache_static_ttl; + else + item->ttl = cgit_cache_repo_ttl; + } + return 1; +} + +static void cgit_print_repo_page(struct cacheitem *item) +{ + char *title; + int show_search; + + if (!cgit_query_head) + cgit_query_head = cgit_repo->defbranch; + + if (chdir(cgit_repo->path)) { + title = fmt("%s - %s", cgit_root_title, "Bad request"); + cgit_print_docstart(title, item); + cgit_print_pageheader(title, 0); cgit_print_error(fmt("Unable to scan repository: %s", strerror(errno))); cgit_print_docend(); return; } - setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1); - char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc); - int show_search = 0; - if (cgit_query_page && !strcmp(cgit_query_page, "log")) - show_search = 1; + + title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); + show_search = 0; + setenv("GIT_DIR", cgit_repo->path, 1); + + if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { + cgit_print_snapshot(item, cgit_query_sha1, "zip", + cgit_repo->url, cgit_query_name); + return; + } + + if (cgit_cmd == CMD_BLOB) { + cgit_print_blob(item, cgit_query_sha1, cgit_query_path); + return; + } + + show_search = (cgit_cmd == CMD_LOG); cgit_print_docstart(title, item); - cgit_print_pageheader(title, show_search); - if (!cgit_query_page) { + if (!cgit_cmd) { + cgit_print_pageheader("summary", show_search); cgit_print_summary(); - } else if (!strcmp(cgit_query_page, "log")) { - cgit_print_log(cgit_query_head, cgit_query_ofs, 100, cgit_query_search); - } else if (!strcmp(cgit_query_page, "tree")) { - cgit_print_tree(cgit_query_sha1); - } else if (!strcmp(cgit_query_page, "commit")) { + cgit_print_docend(); + return; + } + + cgit_print_pageheader(cgit_query_page, show_search); + + switch(cgit_cmd) { + case CMD_LOG: + cgit_print_log(cgit_query_sha1, cgit_query_ofs, + cgit_max_commit_count, cgit_query_search, + cgit_query_path, 1); + break; + case CMD_TREE: + cgit_print_tree(cgit_query_sha1, cgit_query_path); + break; + case CMD_COMMIT: cgit_print_commit(cgit_query_sha1); - } else if (!strcmp(cgit_query_page, "view")) { - cgit_print_view(cgit_query_sha1); - } else if (!strcmp(cgit_query_page, "diff")) { - cgit_print_diff(cgit_query_sha1, cgit_query_sha2); + break; + case CMD_DIFF: + cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, + cgit_query_path); + break; + default: + cgit_print_error("Invalid request"); } cgit_print_docend(); } -static void cgit_fill_cache(struct cacheitem *item) +static void cgit_fill_cache(struct cacheitem *item, int use_cache) { static char buf[PATH_MAX]; + int stdout2; getcwd(buf, sizeof(buf)); - htmlfd = item->fd; item->st.st_mtime = time(NULL); - if (cgit_query_repo) + + if (use_cache) { + stdout2 = chk_positive(dup(STDOUT_FILENO), + "Preserving STDOUT"); + chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); + chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); + } + + if (cgit_repo) cgit_print_repo_page(item); else cgit_print_repolist(item); + + if (use_cache) { + chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); + chk_positive(dup2(stdout2, STDOUT_FILENO), + "Restoring original STDOUT"); + chk_zero(close(stdout2), "Closing temporary STDOUT"); + } + chdir(buf); } @@ -63,7 +146,6 @@ static void cgit_check_cache(struct cacheitem *item) { int i = 0; - cache_prepare(item); top: if (++i > cgit_max_lock_attempts) { die("cgit_refresh_cache: unable to lock %s: %s", @@ -75,14 +157,14 @@ static void cgit_check_cache(struct cacheitem *item) goto top; } if (!cache_exist(item)) { - cgit_fill_cache(item); + cgit_fill_cache(item, 1); cache_unlock(item); } else { cache_cancel_lock(item); } } else if (cache_expired(item) && cache_lock(item)) { if (cache_expired(item)) { - cgit_fill_cache(item); + cgit_fill_cache(item, 1); cache_unlock(item); } else { cache_cancel_lock(item); @@ -110,9 +192,6 @@ static void cgit_parse_args(int argc, const char **argv) int i; for (i = 1; i < argc; i++) { - if (!strncmp(argv[i], "--root=", 7)) { - cgit_root = xstrdup(argv[i]+7); - } if (!strncmp(argv[i], "--cache=", 8)) { cgit_cache_root = xstrdup(argv[i]+8); } @@ -146,15 +225,24 @@ int main(int argc, const char **argv) { struct cacheitem item; - cgit_read_config("/etc/cgitrc", cgit_global_config_cb); + htmlfd = STDOUT_FILENO; + item.st.st_mtime = time(NULL); + cgit_repolist.length = 0; + cgit_repolist.count = 0; + cgit_repolist.repos = NULL; + + cgit_read_config(CGIT_CONFIG, cgit_global_config_cb); + cgit_repo = NULL; + if (getenv("SCRIPT_NAME")) + cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); if (getenv("QUERY_STRING")) cgit_querystring = xstrdup(getenv("QUERY_STRING")); cgit_parse_args(argc, argv); cgit_parse_query(cgit_querystring, cgit_querystring_cb); - + if (!cgit_prepare_cache(&item)) + return 0; if (cgit_nocache) { - item.fd = STDOUT_FILENO; - cgit_fill_cache(&item); + cgit_fill_cache(&item, 0); } else { cgit_check_cache(&item); cgit_print_cache(&item);