![Jamie Couture](/assets/img/avatar_default.png)
No references are kept to the memory pointed to by the 'rel' variable, so it should be free()'d before returning from add_repo(). Signed-off-by: Jamie Couture <jamie.couture@gmail.com> Signed-off-by: Lars Hjemli <larsh@hjemli.net>
245 wiersze
5.4 KiB
C
245 wiersze
5.4 KiB
C
/* scan-tree.c
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*
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* Copyright (C) 2008-2009 Lars Hjemli
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* Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
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*
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* Licensed under GNU General Public License v2
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* (see COPYING for full license text)
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*/
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#include "cgit.h"
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#include "configfile.h"
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#include "html.h"
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#define MAX_PATH 4096
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/* return 1 if path contains a objects/ directory and a HEAD file */
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static int is_git_dir(const char *path)
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{
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struct stat st;
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static char buf[MAX_PATH];
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if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) {
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fprintf(stderr, "Insanely long path: %s\n", path);
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return 0;
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}
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if (stat(buf, &st)) {
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if (errno != ENOENT)
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fprintf(stderr, "Error checking path %s: %s (%d)\n",
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path, strerror(errno), errno);
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return 0;
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}
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if (!S_ISDIR(st.st_mode))
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return 0;
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sprintf(buf, "%s/HEAD", path);
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if (stat(buf, &st)) {
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if (errno != ENOENT)
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fprintf(stderr, "Error checking path %s: %s (%d)\n",
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path, strerror(errno), errno);
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return 0;
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}
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if (!S_ISREG(st.st_mode))
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return 0;
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return 1;
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}
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struct cgit_repo *repo;
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repo_config_fn config_fn;
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char *owner;
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static void repo_config(const char *name, const char *value)
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{
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config_fn(repo, name, value);
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}
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static int git_owner_config(const char *key, const char *value, void *cb)
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{
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if (!strcmp(key, "gitweb.owner"))
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owner = xstrdup(value);
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return 0;
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}
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static char *xstrrchr(char *s, char *from, int c)
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{
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while (from >= s && *from != c)
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from--;
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return from < s ? NULL : from;
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}
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static void add_repo(const char *base, const char *path, repo_config_fn fn)
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{
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struct stat st;
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struct passwd *pwd;
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char *rel, *p, *slash;
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int n;
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size_t size;
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if (stat(path, &st)) {
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fprintf(stderr, "Error accessing %s: %s (%d)\n",
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path, strerror(errno), errno);
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return;
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}
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if (ctx.cfg.strict_export && stat(fmt("%s/%s", path, ctx.cfg.strict_export), &st))
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return;
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if (!stat(fmt("%s/noweb", path), &st))
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return;
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owner = NULL;
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if (ctx.cfg.enable_gitweb_owner)
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git_config_from_file(git_owner_config, fmt("%s/config", path), NULL);
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if (base == path)
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rel = xstrdup(fmt("%s", path));
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else
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rel = xstrdup(fmt("%s", path + strlen(base) + 1));
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if (!strcmp(rel + strlen(rel) - 5, "/.git"))
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rel[strlen(rel) - 5] = '\0';
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repo = cgit_add_repo(rel);
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if (ctx.cfg.remove_suffix)
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if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git"))
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*p = '\0';
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repo->name = repo->url;
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repo->path = xstrdup(path);
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while (!owner) {
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if ((pwd = getpwuid(st.st_uid)) == NULL) {
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fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
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path, strerror(errno), errno);
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break;
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}
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if (pwd->pw_gecos)
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if ((p = strchr(pwd->pw_gecos, ',')))
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*p = '\0';
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owner = xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name);
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}
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repo->owner = owner;
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p = fmt("%s/description", path);
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if (!stat(p, &st))
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readfile(p, &repo->desc, &size);
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if (!repo->readme) {
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p = fmt("%s/README.html", path);
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if (!stat(p, &st))
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repo->readme = "README.html";
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}
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if (ctx.cfg.section_from_path) {
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n = ctx.cfg.section_from_path;
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if (n > 0) {
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slash = rel;
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while (slash && n && (slash = strchr(slash, '/')))
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n--;
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} else {
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slash = rel + strlen(rel);
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while (slash && n && (slash = xstrrchr(rel, slash, '/')))
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n++;
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}
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if (slash && !n) {
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*slash = '\0';
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repo->section = xstrdup(rel);
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*slash = '/';
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if (!prefixcmp(repo->name, repo->section)) {
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repo->name += strlen(repo->section);
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if (*repo->name == '/')
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repo->name++;
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}
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}
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}
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p = fmt("%s/cgitrc", path);
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if (!stat(p, &st)) {
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config_fn = fn;
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parse_configfile(xstrdup(p), &repo_config);
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}
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free(rel);
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}
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static void scan_path(const char *base, const char *path, repo_config_fn fn)
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{
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DIR *dir = opendir(path);
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struct dirent *ent;
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char *buf;
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struct stat st;
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if (!dir) {
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fprintf(stderr, "Error opening directory %s: %s (%d)\n",
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path, strerror(errno), errno);
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return;
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}
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if (is_git_dir(path)) {
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add_repo(base, path, fn);
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goto end;
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}
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if (is_git_dir(fmt("%s/.git", path))) {
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add_repo(base, fmt("%s/.git", path), fn);
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goto end;
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}
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while((ent = readdir(dir)) != NULL) {
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if (ent->d_name[0] == '.') {
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if (ent->d_name[1] == '\0')
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continue;
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if (ent->d_name[1] == '.' && ent->d_name[2] == '\0')
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continue;
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if (!ctx.cfg.scan_hidden_path)
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continue;
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}
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buf = malloc(strlen(path) + strlen(ent->d_name) + 2);
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if (!buf) {
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fprintf(stderr, "Alloc error on %s: %s (%d)\n",
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path, strerror(errno), errno);
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exit(1);
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}
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sprintf(buf, "%s/%s", path, ent->d_name);
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if (stat(buf, &st)) {
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fprintf(stderr, "Error checking path %s: %s (%d)\n",
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buf, strerror(errno), errno);
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free(buf);
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continue;
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}
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if (S_ISDIR(st.st_mode))
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scan_path(base, buf, fn);
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free(buf);
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}
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end:
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closedir(dir);
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}
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#define lastc(s) s[strlen(s) - 1]
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void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn)
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{
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char line[MAX_PATH * 2], *z;
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FILE *projects;
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int err;
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projects = fopen(projectsfile, "r");
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if (!projects) {
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fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n",
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projectsfile, strerror(errno), errno);
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return;
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}
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while (fgets(line, sizeof(line), projects) != NULL) {
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for (z = &lastc(line);
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strlen(line) && strchr("\n\r", *z);
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z = &lastc(line))
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*z = '\0';
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if (strlen(line))
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scan_path(path, fmt("%s/%s", path, line), fn);
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}
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if ((err = ferror(projects))) {
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fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n",
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projectsfile, strerror(err), err);
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}
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fclose(projects);
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}
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void scan_tree(const char *path, repo_config_fn fn)
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{
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scan_path(path, path, fn);
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}
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