scm.c (8192b0c482d7078fcdcb4854341b977426f6f09b) scm.c (b6dff3ec5e116e3af6f537d4caedcad6b9e5082a)
1/* scm.c - Socket level control messages processing.
2 *
3 * Author: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
4 * Alignment and value checking mods by Craig Metz
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

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39
40/*
41 * Only allow a user to send credentials, that they could set with
42 * setu(g)id.
43 */
44
45static __inline__ int scm_check_creds(struct ucred *creds)
46{
1/* scm.c - Socket level control messages processing.
2 *
3 * Author: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
4 * Alignment and value checking mods by Craig Metz
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

--- 30 unchanged lines hidden (view full) ---

39
40/*
41 * Only allow a user to send credentials, that they could set with
42 * setu(g)id.
43 */
44
45static __inline__ int scm_check_creds(struct ucred *creds)
46{
47 struct cred *cred = current->cred;
48
47 if ((creds->pid == task_tgid_vnr(current) || capable(CAP_SYS_ADMIN)) &&
49 if ((creds->pid == task_tgid_vnr(current) || capable(CAP_SYS_ADMIN)) &&
48 ((creds->uid == current_uid() || creds->uid == current_euid() ||
49 creds->uid == current_suid()) || capable(CAP_SETUID)) &&
50 ((creds->gid == current_gid() || creds->gid == current_egid() ||
51 creds->gid == current_sgid()) || capable(CAP_SETGID))) {
50 ((creds->uid == cred->uid || creds->uid == cred->euid ||
51 creds->uid == cred->suid) || capable(CAP_SETUID)) &&
52 ((creds->gid == cred->gid || creds->gid == cred->egid ||
53 creds->gid == cred->sgid) || capable(CAP_SETGID))) {
52 return 0;
53 }
54 return -EPERM;
55}
56
57static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
58{
59 int *fdp = (int*)CMSG_DATA(cmsg);

--- 239 unchanged lines hidden --- 		54 return 0;
55 }
56 return -EPERM;
57}
58
59static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
60{
61 int *fdp = (int*)CMSG_DATA(cmsg);

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