diff --git a/appl/ftp/ftpd/ls.c b/appl/ftp/ftpd/ls.c index daf511ea0..6a5babadf 100644 --- a/appl/ftp/ftpd/ls.c +++ b/appl/ftp/ftpd/ls.c @@ -273,14 +273,100 @@ log10(int num) return i; } +/* + * Operate as lstat but fake up entries for AFS mount points so we don't + * have to fetch them. + */ + +static int +lstat_file (const char *file, struct stat *sb) +{ + int ret; + const int maxsize = 2048; + + if (k_hasafs() + && strcmp(file, ".") + && strcmp(file, "..")) + { + struct ViceIoctl a_params; + char *last; + char *path_bkp; + static ino_t ino_counter = 0, ino_last = 0; + + path_bkp = strdup (file); + if (path_bkp == NULL) + return -1; + + a_params.out = malloc (maxsize); + if (a_params.out == NULL) { + free (path_bkp); + return -1; + } + + /* If path contains more than the filename alone - split it */ + + last = strrchr (path_bkp, '/'); + if (last != NULL) { + *last = '\0'; + a_params.in = last + 1; + } else + a_params.in = (char *)file; + + a_params.in_size = strlen (a_params.in) + 1; + a_params.out_size = maxsize; + + ret = k_pioctl (last ? path_bkp : "." , + VIOC_AFS_STAT_MT_PT, &a_params, 0); + free (a_params.out); + if (ret < 0) { + free (path_bkp); + + if (errno != EINVAL) + return ret; + else + /* if we get EINVAL this is probably not a mountpoint */ + return lstat (file, sb); + } + + /* + * wow this was a mountpoint, lets cook the struct stat + * use . as a prototype + */ + + ret = lstat (path_bkp, sb); + free (path_bkp); + if (ret < 0) + return ret; + + sb->st_mode = S_IFDIR | 0755; + if (ino_last == sb->st_ino) + ino_counter++; + else { + ino_last = sb->st_ino; + ino_counter = 0; + } + sb->st_ino += ino_counter; + sb->st_nlink = 3; + + return 0; + } else { + return lstat (file, sb); + } +} + static void list_files(FILE *out, char **files, int n_files, int flags) { struct fileinfo *fi; int i; + fi = calloc(n_files, sizeof(*fi)); + if (fi == NULL) { + warnx("out of memory"); + return; + } for(i = 0; i < n_files; i++) { - if(lstat(files[i], &fi[i].st) < 0) { + if(lstat_file(files[i], &fi[i].st) < 0) { sec_fprintf2(out, "%s: %s\r\n", files[i], strerror(errno)); fi[i].filename = NULL; } else {