* binary has the capability configured in the file system,
* which we want to avoid. */
- if (setresgid(gid, gid, gid) < 0) {
- log_error("Failed to change group ID: %m");
- return -errno;
- }
+ if (setresgid(gid, gid, gid) < 0)
+ return log_error_errno(errno, "Failed to change group ID: %m");
- if (setgroups(0, NULL) < 0) {
- log_error("Failed to drop auxiliary groups list: %m");
- return -errno;
- }
+ if (setgroups(0, NULL) < 0)
+ return log_error_errno(errno, "Failed to drop auxiliary groups list: %m");
- if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
- log_error("Failed to enable keep capabilities flag: %m");
- return -errno;
- }
+ if (prctl(PR_SET_KEEPCAPS, 1) < 0)
+ return log_error_errno(errno, "Failed to enable keep capabilities flag: %m");
r = setresuid(uid, uid, uid);
- if (r < 0) {
- log_error("Failed to change user ID: %m");
- return -errno;
- }
+ if (r < 0)
+ return log_error_errno(errno, "Failed to change user ID: %m");
- if (prctl(PR_SET_KEEPCAPS, 0) < 0) {
- log_error("Failed to disable keep capabilities flag: %m");
- return -errno;
- }
+ if (prctl(PR_SET_KEEPCAPS, 0) < 0)
+ return log_error_errno(errno, "Failed to disable keep capabilities flag: %m");
r = capability_bounding_set_drop(~keep_capabilities, true);
- if (r < 0) {
- log_error_errno(r, "Failed to drop capabilities: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to drop capabilities: %m");
d = cap_init();
if (!d)
if (cap_set_flag(d, CAP_EFFECTIVE, j, bits, CAP_SET) < 0 ||
cap_set_flag(d, CAP_PERMITTED, j, bits, CAP_SET) < 0) {
- log_error("Failed to enable capabilities bits: %m");
+ log_error_errno(errno, "Failed to enable capabilities bits: %m");
return -errno;
}
}
- if (cap_set_proc(d) < 0) {
- log_error("Failed to increase capabilities: %m");
- return -errno;
- }
+ if (cap_set_proc(d) < 0)
+ return log_error_errno(errno, "Failed to increase capabilities: %m");
return 0;
}