uid.c revision 2f7d020e2258b8565c3809cfe2dd76668a1c433d 
1#include "defs.h"
2
3#include <asm/posix_types.h>
4
5int
6sys_getuid(struct tcb *tcp)
7{
8	if (exiting(tcp))
9		tcp->u_rval = (uid_t) tcp->u_rval;
10	return RVAL_UDECIMAL;
11}
12
13int
14sys_setfsuid(struct tcb *tcp)
15{
16	if (entering(tcp))
17		tprintf("%u", (uid_t) tcp->u_arg[0]);
18	else
19		tcp->u_rval = (uid_t) tcp->u_rval;
20	return RVAL_UDECIMAL;
21}
22
23int
24sys_setuid(struct tcb *tcp)
25{
26	if (entering(tcp)) {
27		tprintf("%u", (uid_t) tcp->u_arg[0]);
28	}
29	return 0;
30}
31
32int
33sys_getresuid(struct tcb *tcp)
34{
35	if (exiting(tcp)) {
36		__kernel_uid_t uid;
37		if (syserror(tcp))
38			tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0],
39				tcp->u_arg[1], tcp->u_arg[2]);
40		else {
41			if (umove(tcp, tcp->u_arg[0], &uid) < 0)
42				tprintf("%#lx, ", tcp->u_arg[0]);
43			else
44				tprintf("[%lu], ", (unsigned long) uid);
45			if (umove(tcp, tcp->u_arg[1], &uid) < 0)
46				tprintf("%#lx, ", tcp->u_arg[1]);
47			else
48				tprintf("[%lu], ", (unsigned long) uid);
49			if (umove(tcp, tcp->u_arg[2], &uid) < 0)
50				tprintf("%#lx", tcp->u_arg[2]);
51			else
52				tprintf("[%lu]", (unsigned long) uid);
53		}
54	}
55	return 0;
56}
57
58int
59sys_setreuid(struct tcb *tcp)
60{
61	if (entering(tcp)) {
62		printuid("", tcp->u_arg[0]);
63		printuid(", ", tcp->u_arg[1]);
64	}
65	return 0;
66}
67
68int
69sys_setresuid(struct tcb *tcp)
70{
71	if (entering(tcp)) {
72		printuid("", tcp->u_arg[0]);
73		printuid(", ", tcp->u_arg[1]);
74		printuid(", ", tcp->u_arg[2]);
75	}
76	return 0;
77}
78
79int
80sys_chown(struct tcb *tcp)
81{
82	if (entering(tcp)) {
83		printpath(tcp, tcp->u_arg[0]);
84		printuid(", ", tcp->u_arg[1]);
85		printuid(", ", tcp->u_arg[2]);
86	}
87	return 0;
88}
89
90int
91sys_fchown(struct tcb *tcp)
92{
93	if (entering(tcp)) {
94		printfd(tcp, tcp->u_arg[0]);
95		printuid(", ", tcp->u_arg[1]);
96		printuid(", ", tcp->u_arg[2]);
97	}
98	return 0;
99}
100
101void
102printuid(const char *text, const unsigned int uid)
103{
104	if ((unsigned int) -1 == uid)
105		tprintf("%s-1", text);
106	else
107		tprintf("%s%u", text, uid);
108}
109