/* scan-tree.c * * Copyright (C) 2008-2009 Lars Hjemli * Copyright (C) 2010, 2012 Jason A. Donenfeld <Jason@zx2c4.com> * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "configfile.h" #include "html.h" #define MAX_PATH 4096 /* return 1 if path contains a objects/ directory and a HEAD file */ static int is_git_dir(const char *path) { struct stat st; static char buf[MAX_PATH]; if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) { fprintf(stderr, "Insanely long path: %s\n", path); return 0; } if (stat(buf, &st)) { if (errno != ENOENT) fprintf(stderr, "Error checking path %s: %s (%d)\n", path, strerror(errno), errno); return 0; } if (!S_ISDIR(st.st_mode)) return 0; sprintf(buf, "%s/HEAD", path); if (stat(buf, &st)) { if (errno != ENOENT) fprintf(stderr, "Error checking path %s: %s (%d)\n", path, strerror(errno), errno); return 0; } if (!S_ISREG(st.st_mode)) return 0; return 1; } 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 (!prefixcmp(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, const char *path, repo_config_fn fn) { struct stat st; struct passwd *pwd; char *rel, *p, *slash; int n; size_t size; if (stat(path, &st)) { fprintf(stderr, "Error accessing %s: %s (%d)\n", path, strerror(errno), errno); return; } if (ctx.cfg.strict_export && stat(fmt("%s/%s", path, ctx.cfg.strict_export), &st)) return; if (!stat(fmt("%s/noweb", path), &st)) return; if (base == path) rel = xstrdup(fmt("%s", path)); else rel = xstrdup(fmt("%s", path + strlen(base) + 1)); if (!strcmp(rel + strlen(rel) - 5, "/.git")) rel[strlen(rel) - 5] = '\0'; repo = cgit_add_repo(rel); config_fn = fn; if (ctx.cfg.enable_git_config) git_config_from_file(gitconfig_config, fmt("%s/config", path), NULL); if (ctx.cfg.remove_suffix) if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git")) *p = '\0'; repo->path = xstrdup(path); while (!repo->owner) { if ((pwd = getpwuid(st.st_uid)) == NULL) { fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n", path, 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) { p = fmt("%s/description", path); if (!stat(p, &st)) readfile(p, &repo->desc, &size); } if (!repo->readme) { p = fmt("%s/README.html", path); if (!stat(p, &st)) repo->readme = "README.html"; } if (ctx.cfg.section_from_path) { n = ctx.cfg.section_from_path; if (n > 0) { slash = rel; while (slash && n && (slash = strchr(slash, '/'))) n--; } else { slash = rel + strlen(rel); while (slash && n && (slash = xstrrchr(rel, slash, '/'))) n++; } if (slash && !n) { *slash = '\0'; repo->section = xstrdup(rel); *slash = '/'; if (!prefixcmp(repo->name, repo->section)) { repo->name += strlen(repo->section); if (*repo->name == '/') repo->name++; } } } p = fmt("%s/cgitrc", path); if (!stat(p, &st)) parse_configfile(xstrdup(p), &repo_config); free(rel); } static void scan_path(const char *base, const char *path, repo_config_fn fn) { DIR *dir = opendir(path); struct dirent *ent; char *buf; struct stat st; if (!dir) { fprintf(stderr, "Error opening directory %s: %s (%d)\n", path, strerror(errno), errno); return; } if (is_git_dir(path)) { add_repo(base, path, fn); goto end; } if (is_git_dir(fmt("%s/.git", path))) { add_repo(base, fmt("%s/.git", path), fn); goto end; } 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; } buf = malloc(strlen(path) + strlen(ent->d_name) + 2); if (!buf) { fprintf(stderr, "Alloc error on %s: %s (%d)\n", path, strerror(errno), errno); exit(1); } sprintf(buf, "%s/%s", path, ent->d_name); if (stat(buf, &st)) { fprintf(stderr, "Error checking path %s: %s (%d)\n", buf, strerror(errno), errno); free(buf); continue; } if (S_ISDIR(st.st_mode)) scan_path(base, buf, fn); free(buf); } end: closedir(dir); } #define lastc(s) s[strlen(s) - 1] void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn) { char line[MAX_PATH * 2], *z; 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 (fgets(line, sizeof(line), projects) != NULL) { for (z = &lastc(line); strlen(line) && strchr("\n\r", *z); z = &lastc(line)) *z = '\0'; if (strlen(line)) scan_path(path, fmt("%s/%s", path, line), fn); } if ((err = ferror(projects))) { fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n", projectsfile, strerror(err), err); } fclose(projects); } void scan_tree(const char *path, repo_config_fn fn) { scan_path(path, path, fn); }