011f2e9bdd
If readfile() reads an empty file, fgets() won't truncate the buffer and it'll still contain the contents of the previously read file. [lh: fixed similar issue in ui-repolist.c] Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
138 baris
2.8 KiB
C
138 baris
2.8 KiB
C
#include "cgit.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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char *readfile(const char *path)
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{
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FILE *f;
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static char buf[MAX_PATH];
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if (!(f = fopen(path, "r")))
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return NULL;
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buf[0] = 0;
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fgets(buf, MAX_PATH, f);
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fclose(f);
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return buf;
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}
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static void add_repo(const char *base, const char *path)
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{
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struct cgit_repo *repo;
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struct stat st;
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struct passwd *pwd;
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char *p;
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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 ((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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return;
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}
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if (base == path)
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p = fmt("%s", path);
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else
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p = fmt("%s", path + strlen(base) + 1);
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if (!strcmp(p + strlen(p) - 5, "/.git"))
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p[strlen(p) - 5] = '\0';
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repo = cgit_add_repo(xstrdup(p));
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repo->name = repo->url;
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repo->path = xstrdup(path);
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repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
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p = fmt("%s/description", path);
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if (!stat(p, &st))
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repo->desc = xstrdup(readfile(p));
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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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static void scan_path(const char *base, const char *path)
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{
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DIR *dir;
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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 (is_git_dir(path)) {
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add_repo(base, path);
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return;
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}
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dir = opendir(path);
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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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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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}
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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);
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free(buf);
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}
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closedir(dir);
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}
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void scan_tree(const char *path)
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{
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scan_path(path, path);
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}
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