X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fls.c;h=0af2356bb85277c22f2769c475e229cf71272267;hp=1bea5f14e2b202df35213320415d34dd651c3f71;hb=428a45c3e15f03e9861e1b551e1ae8da821dba5f;hpb=843514eef9dc6d04d71e031ba9ddb16e2beb9a04 diff --git a/daemon/ls.c b/daemon/ls.c index 1bea5f1..0af2356 100644 --- a/daemon/ls.c +++ b/daemon/ls.c @@ -1,5 +1,5 @@ /* libguestfs - the guestfsd daemon - * Copyright (C) 2009 Red Hat Inc. + * Copyright (C) 2009 Red Hat Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -23,6 +23,7 @@ #include #include #include +#include #include #include "daemon.h" @@ -31,35 +32,63 @@ char ** do_ls (const char *path) { - reply_with_error ("ls command is not yet implemented"); - return NULL; + char **r = NULL; + int size = 0, alloc = 0; + DIR *dir; + struct dirent *d; + + CHROOT_IN; + dir = opendir (path); + CHROOT_OUT; + + if (!dir) { + reply_with_perror ("opendir: %s", path); + return NULL; + } + + while ((d = readdir (dir)) != NULL) { + if (STREQ (d->d_name, ".") || STREQ (d->d_name, "..")) + continue; + + if (add_string (&r, &size, &alloc, d->d_name) == -1) { + closedir (dir); + return NULL; + } + } + + if (add_string (&r, &size, &alloc, NULL) == -1) { + closedir (dir); + return NULL; + } + + if (closedir (dir) == -1) { + reply_with_perror ("closedir: %s", path); + free_strings (r); + return NULL; + } + + sort_strings (r, size-1); + return r; } +/* Because we can't chroot and run the ls command (since 'ls' won't + * necessarily exist in the chroot), this command can be used to escape + * from the sysroot (eg. 'll /..'). This command is not meant for + * serious use anyway, just for quick interactive sessions. + */ + char * do_ll (const char *path) { - int r, len; + int r; char *out, *err; char *spath; - if (path[0] != '/') { - reply_with_error ("ll: path must start with a / character"); - return NULL; - } - - /* This exposes the /sysroot, because we can't chroot and run the ls - * command (since 'ls' won't necessarily exist in the chroot). This - * command is not meant for serious use anyway, just for quick - * interactive sessions. For the same reason, you can also "escape" - * the sysroot (eg. 'll /..'). - */ - len = strlen (path) + 9; - spath = malloc (len); + spath = sysroot_path (path); if (!spath) { reply_with_perror ("malloc"); return NULL; } - snprintf (spath, len, "/sysroot%s", path); r = command (&out, &err, "ls", "-la", spath, NULL); free (spath);