| -rw-r--r-- | cgit.c | 72 |
1 files changed, 36 insertions, 36 deletions
@@ -1,318 +1,318 @@ /* 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 int cgit_prepare_cache(struct cacheitem *item) { - if (!cgit_repo && cgit_query_repo) { + if (!cgit_repo && ctx.qry.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_error(fmt("Unknown repo: %s", ctx.qry.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.%s.html", cgit_cache_root, cache_safe_filename(cgit_repo->url), - cache_safe_filename(cgit_querystring))); + cache_safe_filename(ctx.qry.raw))); 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) + ctx.qry.page, + cache_safe_filename(ctx.qry.raw))); + if (ctx.qry.has_symref) item->ttl = cgit_cache_dynamic_ttl; - else if (cgit_query_has_sha1) + else if (ctx.qry.has_sha1) item->ttl = cgit_cache_static_ttl; else item->ttl = cgit_cache_repo_ttl; } return 1; } 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 repoinfo *repo) { struct refmatch info; info.req_ref = repo->defbranch; info.first_ref = NULL; info.match = 0; for_each_branch_ref(find_current_ref, &info); if (info.match) return info.req_ref; else return info.first_ref; } static void cgit_print_repo_page(struct cacheitem *item) { char *title, *tmp; int show_search; unsigned char sha1[20]; 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; } title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); show_search = 0; setenv("GIT_DIR", cgit_repo->path, 1); - if (!cgit_query_head) { - cgit_query_head = xstrdup(find_default_branch(cgit_repo)); - cgit_repo->defbranch = cgit_query_head; + if (!ctx.qry.head) { + ctx.qry.head = xstrdup(find_default_branch(cgit_repo)); + cgit_repo->defbranch = ctx.qry.head; } - if (!cgit_query_head) { + if (!ctx.qry.head) { cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); cgit_print_error("Repository seems to be empty"); cgit_print_docend(); return; } - if (get_sha1(cgit_query_head, sha1)) { - tmp = xstrdup(cgit_query_head); - cgit_query_head = cgit_repo->defbranch; + if (get_sha1(ctx.qry.head, sha1)) { + tmp = xstrdup(ctx.qry.head); + ctx.qry.head = cgit_repo->defbranch; cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); cgit_print_error(fmt("Invalid branch: %s", tmp)); cgit_print_docend(); return; } if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { - cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1, + cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1, cgit_repobasename(cgit_repo->url), - cgit_query_path, + ctx.qry.path, cgit_repo->snapshots ); return; } if (cgit_cmd == CMD_PATCH) { - cgit_print_patch(cgit_query_sha1, item); + cgit_print_patch(ctx.qry.sha1, item); return; } if (cgit_cmd == CMD_BLOB) { - cgit_print_blob(item, cgit_query_sha1, cgit_query_path); + cgit_print_blob(item, ctx.qry.sha1, ctx.qry.path); return; } show_search = (cgit_cmd == CMD_LOG); cgit_print_docstart(title, item); if (!cgit_cmd) { cgit_print_pageheader("summary", show_search); cgit_print_summary(); cgit_print_docend(); return; } - cgit_print_pageheader(cgit_query_page, show_search); + cgit_print_pageheader(ctx.qry.page, show_search); switch(cgit_cmd) { case CMD_LOG: - cgit_print_log(cgit_query_sha1, cgit_query_ofs, - cgit_max_commit_count, cgit_query_grep, cgit_query_search, - cgit_query_path, 1); + cgit_print_log(ctx.qry.sha1, ctx.qry.ofs, + cgit_max_commit_count, ctx.qry.grep, ctx.qry.search, + ctx.qry.path, 1); break; case CMD_TREE: - cgit_print_tree(cgit_query_sha1, cgit_query_path); + cgit_print_tree(ctx.qry.sha1, ctx.qry.path); break; case CMD_COMMIT: - cgit_print_commit(cgit_query_sha1); + cgit_print_commit(ctx.qry.sha1); break; case CMD_REFS: cgit_print_refs(); break; case CMD_TAG: - cgit_print_tag(cgit_query_sha1); + cgit_print_tag(ctx.qry.sha1); break; case CMD_DIFF: - cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path); + cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path); break; default: cgit_print_error("Invalid request"); } cgit_print_docend(); } static void cgit_fill_cache(struct cacheitem *item, int use_cache) { static char buf[PATH_MAX]; int stdout2; getcwd(buf, sizeof(buf)); item->st.st_mtime = time(NULL); 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); } static void cgit_check_cache(struct cacheitem *item) { int i = 0; top: if (++i > cgit_max_lock_attempts) { die("cgit_refresh_cache: unable to lock %s: %s", item->name, strerror(errno)); } if (!cache_exist(item)) { if (!cache_lock(item)) { sleep(1); goto top; } if (!cache_exist(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, 1); cache_unlock(item); } else { cache_cancel_lock(item); } } } static void cgit_print_cache(struct cacheitem *item) { static char buf[4096]; ssize_t i; int fd = open(item->name, O_RDONLY); if (fd<0) die("Unable to open cached file %s", item->name); while((i=read(fd, buf, sizeof(buf))) > 0) write(STDOUT_FILENO, buf, i); close(fd); } static void cgit_parse_args(int argc, const char **argv) { int i; for (i = 1; i < argc; i++) { if (!strncmp(argv[i], "--cache=", 8)) { cgit_cache_root = xstrdup(argv[i]+8); } if (!strcmp(argv[i], "--nocache")) { cgit_nocache = 1; } if (!strncmp(argv[i], "--query=", 8)) { - cgit_querystring = xstrdup(argv[i]+8); + ctx.qry.raw = xstrdup(argv[i]+8); } if (!strncmp(argv[i], "--repo=", 7)) { - cgit_query_repo = xstrdup(argv[i]+7); + ctx.qry.repo = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--page=", 7)) { - cgit_query_page = xstrdup(argv[i]+7); + ctx.qry.page = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--head=", 7)) { - cgit_query_head = xstrdup(argv[i]+7); - cgit_query_has_symref = 1; + ctx.qry.head = xstrdup(argv[i]+7); + ctx.qry.has_symref = 1; } if (!strncmp(argv[i], "--sha1=", 7)) { - cgit_query_sha1 = xstrdup(argv[i]+7); - cgit_query_has_sha1 = 1; + ctx.qry.sha1 = xstrdup(argv[i]+7); + ctx.qry.has_sha1 = 1; } if (!strncmp(argv[i], "--ofs=", 6)) { - cgit_query_ofs = atoi(argv[i]+6); + ctx.qry.ofs = atoi(argv[i]+6); } } } int main(int argc, const char **argv) { struct cacheitem item; const char *cgit_config_env = getenv("CGIT_CONFIG"); 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_env ? cgit_config_env : 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")); + ctx.qry.raw = xstrdup(getenv("QUERY_STRING")); cgit_parse_args(argc, argv); - cgit_parse_query(cgit_querystring, cgit_querystring_cb); + cgit_parse_query(ctx.qry.raw, cgit_querystring_cb); if (!cgit_prepare_cache(&item)) return 0; if (cgit_nocache) { cgit_fill_cache(&item, 0); } else { cgit_check_cache(&item); cgit_print_cache(&item); } return 0; } |