/* scan-tree.c * * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com> * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "scan-tree.h" #include "configfile.h" #include "html.h" /* return 1 if path contains a objects/ directory and a HEAD file */ static int is_git_dir(const char *path) { struct stat st; struct strbuf pathbuf = STRBUF_INIT; int result = 0; strbuf_addf(&pathbuf, "%s/objects", path); if (stat(pathbuf.buf, &st)) { if (errno != ENOENT) fprintf(stderr, "Error checking path %s: %s (%d)\n", path, strerror(errno), errno); goto out; } if (!S_ISDIR(st.st_mode)) goto out; strbuf_reset(&pathbuf); strbuf_addf(&pathbuf, "%s/HEAD", path); if (stat(pathbuf.buf, &st)) { if (errno != ENOENT) fprintf(stderr, "Error checking path %s: %s (%d)\n", path, strerror(errno), errno); goto out; } if (!S_ISREG(st.st_mode)) goto out; result = 1; out: strbuf_release(&pathbuf); return result; } struct cgit_repo *repo; repo_config_fn config_fn; static void repo_config(const char *name, const char *value) { config_fn(repo, name, value); } static int gitconfig_config(const char *key, const char *value, void *cb) { if (!strcmp(key, "gitweb.owner")) config_fn(repo, "owner", value); else if (!strcmp(key, "gitweb.description")) config_fn(repo, "desc", value); else if (!strcmp(key, "gitweb.category")) config_fn(repo, "section", value); else if (starts_with(key, "cgit.")) config_fn(repo, key + 5, value); return 0; } static char *xstrrchr(char *s, char *from, int c) { while (from >= s && *from != c) from--; return from < s ? NULL : from; } static void add_repo(const char *base, struct strbuf *path, repo_config_fn fn) { struct stat st; struct passwd *pwd; size_t pathlen; struct strbuf rel = STRBUF_INIT; char *p, *slash; int n; size_t size; if (stat(path->buf, &st)) { fprintf(stderr, "Error accessing %s: %s (%d)\n", path->buf, strerror(errno), errno); return; } strbuf_addch(path, '/'); pathlen = path->len; if (ctx.cfg.strict_export) { strbuf_addstr(path, ctx.cfg.strict_export); if(stat(path->buf, &st)) return; strbuf_setlen(path, pathlen); } strbuf_addstr(path, "noweb"); if (!stat(path->buf, &st)) return; strbuf_setlen(path, pathlen); if (!starts_with(path->buf, base)) strbuf_addbuf(&rel, path); else strbuf_addstr(&rel, path->buf + strlen(base) + 1); if (!strcmp(rel.buf + rel.len - 5, "/.git")) strbuf_setlen(&rel, rel.len - 5); else if (rel.len && rel.buf[rel.len - 1] == '/') strbuf_setlen(&rel, rel.len - 1); repo = cgit_add_repo(rel.buf); config_fn = fn; if (ctx.cfg.enable_git_config) { strbuf_addstr(path, "config"); git_config_from_file(gitconfig_config, path->buf, NULL); strbuf_setlen(path, pathlen); } if (ctx.cfg.remove_suffix) if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git")) *p = '\0'; repo->path = xstrdup(path->buf); while (!repo->owner) { if ((pwd = getpwuid(st.st_uid)) == NULL) { fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n", path->buf, strerror(errno), errno); break; } if (pwd->pw_gecos) if ((p = strchr(pwd->pw_gecos, ','))) *p = '\0'; repo->owner = xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name); } if (repo->desc == cgit_default_repo_desc || !repo->desc) { strbuf_addstr(path, "description"); if (!stat(path->buf, &st)) readfile(path->buf, &repo->desc, &size); strbuf_setlen(path, pathlen); } if (ctx.cfg.section_from_path) { n = ctx.cfg.section_from_path; if (n > 0) { slash = rel.buf - 1; while (slash && n && (slash = strchr(slash + 1, '/'))) n--; } else { slash = rel.buf + rel.len; while (slash && n && (slash = xstrrchr(rel.buf, slash - 1, '/'))) n++; } if (slash && !n) { *slash = '\0'; repo->section = xstrdup(rel.buf); *slash = '/'; if (starts_with(repo->name, repo->section)) { repo->name += strlen(repo->section); if (*repo->name == '/') repo->name++; } } } strbuf_addstr(path, "cgitrc"); if (!stat(path->buf, &st)) parse_configfile(xstrdup(path->buf), &repo_config); strbuf_release(&rel); } static void scan_path(const char *base, const char *path, repo_config_fn fn) { DIR *dir = opendir(path); struct dirent *ent; struct strbuf pathbuf = STRBUF_INIT; size_t pathlen = strlen(path); struct stat st; if (!dir) { fprintf(stderr, "Error opening directory %s: %s (%d)\n", path, strerror(errno), errno); return; } strbuf_add(&pathbuf, path, strlen(path)); if (is_git_dir(pathbuf.buf)) { add_repo(base, &pathbuf, fn); goto end; } strbuf_addstr(&pathbuf, "/.git"); if (is_git_dir(pathbuf.buf)) { add_repo(base, &pathbuf, fn); goto end; } /* * Add one because we don't want to lose the trailing '/' when we * reset the length of pathbuf in the loop below. */ pathlen++; while ((ent = readdir(dir)) != NULL) { if (ent->d_name[0] == '.') { if (ent->d_name[1] == '\0') continue; if (ent->d_name[1] == '.' && ent->d_name[2] == '\0') continue; if (!ctx.cfg.scan_hidden_path) continue; } strbuf_setlen(&pathbuf, pathlen); strbuf_addstr(&pathbuf, ent->d_name); if (stat(pathbuf.buf, &st)) { fprintf(stderr, "Error checking path %s: %s (%d)\n", pathbuf.buf, strerror(errno), errno); continue; } if (S_ISDIR(st.st_mode)) scan_path(base, pathbuf.buf, fn); } end: strbuf_release(&pathbuf); closedir(dir); } void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn) { struct strbuf line = STRBUF_INIT; FILE *projects; int err; projects = fopen(projectsfile, "r"); if (!projects) { fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n", projectsfile, strerror(errno), errno); return; } while (strbuf_getline(&line, projects, '\n') != EOF) { if (!line.len) continue; strbuf_insert(&line, 0, "/", 1); strbuf_insert(&line, 0, path, strlen(path)); scan_path(path, line.buf, fn); } if ((err = ferror(projects))) { fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n", projectsfile, strerror(err), err); } fclose(projects); strbuf_release(&line); } void scan_tree(const char *path, repo_config_fn fn) { scan_path(path, path, fn); }