diff options
Diffstat (limited to 'util/nvmutil')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index e9eda943..2af10373 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -7,12 +7,19 @@ int main(int argc, char *argv[]) { xpledge("stdio rpath wpath unveil", NULL); + xunveil("/dev/urandom", "r"); err_if((errno = argc < 3 ? EINVAL : errno)); if ((flags = (strcmp(COMMAND, "dump") == 0) ? O_RDONLY : flags) - == O_RDONLY) - xpledge("stdio rpath unveil", NULL); + == O_RDONLY) { + xunveil(FILENAME, "r"); + xpledge("stdio rpath", NULL); + } else { + xunveil(FILENAME, "rw"); + xpledge("stdio rpath wpath", NULL); + } openFiles(FILENAME); xpledge("stdio", NULL); + for (int i = 0; i < 6; i++) if (strcmp(COMMAND, op[i].str) == 0) if ((cmd = argc >= op[i].args ? op[i].cmd : NULL)) @@ -23,9 +30,10 @@ main(int argc, char *argv[]) err_if((errno = (!((part = PARTNUM[0] - '0') == 0 || part == 1)) || PARTNUM[1] ? EINVAL : errno)); err_if((errno = (cmd == NULL) ? EINVAL : errno)); - readGbeFile(FILENAME); + readGbeFile(FILENAME); (*cmd)(); + if ((gbeFileModified) && (flags != O_RDONLY)) writeGbeFile(FILENAME); err_if((errno != 0) && (cmd != &cmd_dump)); @@ -41,9 +49,6 @@ openFiles(const char *path) err(errno = ECANCELED, "File `%s` not 8KiB", path); xopen(rfd, "/dev/urandom", O_RDONLY); errno = errno != ENOTDIR ? errno : 0; - xunveil("/dev/urandom", "r"); - if (flags != O_RDONLY) - xunveil(path, "w"); } void |