7 #endif /* HAVE_USERSEC_H */
10 #include <../xmalloc.h>
13 #if defined(HAVE_GETUSERATTR) && !defined(S_UFSIZE_HARD) && defined(S_UFSIZE)
14 # define S_UFSIZE_HARD S_UFSIZE "_hard"
15 # define S_UCPU_HARD S_UCPU "_hard"
16 # define S_UDATA_HARD S_UDATA "_hard"
17 # define S_USTACK_HARD S_USTACK "_hard"
18 # define S_URSS_HARD S_URSS "_hard"
19 # define S_UCORE_HARD S_UCORE "_hard"
20 # define S_UNOFILE_HARD S_UNOFILE "_hard"
23 #if defined(HAVE_GETUSERATTR)
25 * AIX-specific login initialisation
28 set_limit(char *user, char *soft, char *hard, int resource, int mult)
33 getrlimit(resource, &rlim);
36 if (getuserattr(user, soft, &slim, SEC_INT) != -1) {
38 rlim.rlim_cur = RLIM_INFINITY;
39 } else if (slim != 0) {
40 /* See the wackiness below */
41 if (rlim.rlim_cur == slim * mult)
44 rlim.rlim_cur = slim * mult;
48 if (getuserattr(user, hard, &hlim, SEC_INT) != -1) {
50 rlim.rlim_max = RLIM_INFINITY;
51 } else if (hlim != 0) {
52 rlim.rlim_max = hlim * mult;
57 * XXX For cpu and fsize the soft limit is set to the hard limit
58 * if the hard limit is left at its default value and the soft limit
59 * is changed from its default value, either by requesting it
60 * (slim == 0) or by setting it to the current default. At least
61 * that's how rlogind does it. If you're confused you're not alone.
62 * Bug or feature? AIX 4.3.1.2
64 if ((!strcmp(soft, "fsize") || !strcmp(soft, "cpu"))
65 && hlim == 0 && slim != 0)
66 rlim.rlim_max = rlim.rlim_cur;
67 /* A specified hard limit limits the soft limit */
68 else if (hlim > 0 && rlim.rlim_cur > rlim.rlim_max)
69 rlim.rlim_cur = rlim.rlim_max;
70 /* A soft limit can increase a hard limit */
71 else if (rlim.rlim_cur > rlim.rlim_max)
72 rlim.rlim_max = rlim.rlim_cur;
74 if (setrlimit(resource, &rlim) != 0)
75 error("setrlimit(%.10s) failed: %.100s", soft, strerror(errno));
79 set_limits_from_userattr(char *user)
84 set_limit(user, S_UFSIZE, S_UFSIZE_HARD, RLIMIT_FSIZE, 512);
85 set_limit(user, S_UCPU, S_UCPU_HARD, RLIMIT_CPU, 1);
86 set_limit(user, S_UDATA, S_UDATA_HARD, RLIMIT_DATA, 512);
87 set_limit(user, S_USTACK, S_USTACK_HARD, RLIMIT_STACK, 512);
88 set_limit(user, S_URSS, S_URSS_HARD, RLIMIT_RSS, 512);
89 set_limit(user, S_UCORE, S_UCORE_HARD, RLIMIT_CORE, 512);
90 #if defined(S_UNOFILE)
91 set_limit(user, S_UNOFILE, S_UNOFILE_HARD, RLIMIT_NOFILE, 1);
94 if (getuserattr(user, S_UMASK, &mask, SEC_INT) != -1) {
95 /* Convert decimal to octal */
96 (void) snprintf(buf, sizeof(buf), "%d", mask);
97 if (sscanf(buf, "%o", &mask) == 1)
101 #endif /* defined(HAVE_GETUSERATTR) */
104 * AIX has a "usrinfo" area where logname and
105 * other stuff is stored - a few applications
106 * actually use this and die if it's not set
109 aix_usrinfo(struct passwd *pw, char *tty, int ttyfd)
116 cp = xmalloc(22 + strlen(tty) + 2 * strlen(pw->pw_name));
117 i = sprintf(cp, "LOGNAME=%s%cNAME=%s%cTTY=%s%c%c", pw->pw_name, 0,
118 pw->pw_name, 0, tty, 0, 0);
119 if (usrinfo(SETUINFO, cp, i) == -1)
120 fatal("Couldn't set usrinfo: %s", strerror(errno));
121 debug3("AIX/UsrInfo: set len %d", i);