return(0);
}
+
+#define TKTLIFENUMFIXED 64
+#define TKTLIFEMINFIXED 0x80
+#define TKTLIFEMAXFIXED 0xBF
+#define TKTLIFENOEXPIRE 0xFF
+#define MAXTKTLIFETIME (30*24*3600) /* 30 days */
+#ifndef NEVERDATE
+#define NEVERDATE ((unsigned long)0x7fffffffL)
+#endif
+
+static int no_long_lifetimes = 0;
+typedef unsigned long u_int32_t;
+
+static const int tkt_lifetimes[TKTLIFENUMFIXED] = {
+ 38400, /* 10.67 hours, 0.44 days */
+ 41055, /* 11.40 hours, 0.48 days */
+ 43894, /* 12.19 hours, 0.51 days */
+ 46929, /* 13.04 hours, 0.54 days */
+ 50174, /* 13.94 hours, 0.58 days */
+ 53643, /* 14.90 hours, 0.62 days */
+ 57352, /* 15.93 hours, 0.66 days */
+ 61318, /* 17.03 hours, 0.71 days */
+ 65558, /* 18.21 hours, 0.76 days */
+ 70091, /* 19.47 hours, 0.81 days */
+ 74937, /* 20.82 hours, 0.87 days */
+ 80119, /* 22.26 hours, 0.93 days */
+ 85658, /* 23.79 hours, 0.99 days */
+ 91581, /* 25.44 hours, 1.06 days */
+ 97914, /* 27.20 hours, 1.13 days */
+ 104684, /* 29.08 hours, 1.21 days */
+ 111922, /* 31.09 hours, 1.30 days */
+ 119661, /* 33.24 hours, 1.38 days */
+ 127935, /* 35.54 hours, 1.48 days */
+ 136781, /* 37.99 hours, 1.58 days */
+ 146239, /* 40.62 hours, 1.69 days */
+ 156350, /* 43.43 hours, 1.81 days */
+ 167161, /* 46.43 hours, 1.93 days */
+ 178720, /* 49.64 hours, 2.07 days */
+ 191077, /* 53.08 hours, 2.21 days */
+ 204289, /* 56.75 hours, 2.36 days */
+ 218415, /* 60.67 hours, 2.53 days */
+ 233517, /* 64.87 hours, 2.70 days */
+ 249664, /* 69.35 hours, 2.89 days */
+ 266926, /* 74.15 hours, 3.09 days */
+ 285383, /* 79.27 hours, 3.30 days */
+ 305116, /* 84.75 hours, 3.53 days */
+ 326213, /* 90.61 hours, 3.78 days */
+ 348769, /* 96.88 hours, 4.04 days */
+ 372885, /* 103.58 hours, 4.32 days */
+ 398668, /* 110.74 hours, 4.61 days */
+ 426234, /* 118.40 hours, 4.93 days */
+ 455705, /* 126.58 hours, 5.27 days */
+ 487215, /* 135.34 hours, 5.64 days */
+ 520904, /* 144.70 hours, 6.03 days */
+ 556921, /* 154.70 hours, 6.45 days */
+ 595430, /* 165.40 hours, 6.89 days */
+ 636601, /* 176.83 hours, 7.37 days */
+ 680618, /* 189.06 hours, 7.88 days */
+ 727680, /* 202.13 hours, 8.42 days */
+ 777995, /* 216.11 hours, 9.00 days */
+ 831789, /* 231.05 hours, 9.63 days */
+ 889303, /* 247.03 hours, 10.29 days */
+
+ 950794, /* 264.11 hours, 11.00 days */
+
+ 1016537, /* 282.37 hours, 11.77 days */
+
+ 1086825, /* 301.90 hours, 12.58 days */
+
+ 1161973, /* 322.77 hours, 13.45 days */
+
+ 1242318, /* 345.09 hours, 14.38 days */
+
+ 1328218, /* 368.95 hours, 15.37 days */
+
+ 1420057, /* 394.46 hours, 16.44 days */
+
+ 1518247, /* 421.74 hours, 17.57 days */
+
+ 1623226, /* 450.90 hours, 18.79 days */
+
+ 1735464, /* 482.07 hours, 20.09 days */
+
+ 1855462, /* 515.41 hours, 21.48 days */
+
+ 1983758, /* 551.04 hours, 22.96 days */
+
+ 2120925, /* 589.15 hours, 24.55 days */
+
+ 2267576, /* 629.88 hours, 26.25 days */
+
+ 2424367, /* 673.44 hours, 28.06 days */
+
+ 2592000}; /* 720.00 hours, 30.00 days */
+
+
+/*
+ * KFW_KRB4_life_to_time - takes a start time and a Kerberos standard
+ * lifetime char and returns the corresponding end time. There are
+ * four simple cases to be handled. The first is a life of 0xff,
+ * meaning no expiration, and results in an end time of 0xffffffff.
+ * The second is when life is less than the values covered by the
+ * table. In this case, the end time is the start time plus the
+ * number of 5 minute intervals specified by life. The third case
+ * returns start plus the MAXTKTLIFETIME if life is greater than
+ * TKTLIFEMAXFIXED. The last case, uses the life value (minus
+ * TKTLIFEMINFIXED) as an index into the table to extract the lifetime
+ * in seconds, which is added to start to produce the end time.
+ */
+static u_int32_t
+KFW_KRB4_life_to_time(u_int32_t start, int life_)
+{
+ unsigned char life = (unsigned char) life_;
+
+ if (no_long_lifetimes) return start + life*5*60;
+
+ if (life == TKTLIFENOEXPIRE) return NEVERDATE;
+ if (life < TKTLIFEMINFIXED) return start + life*5*60;
+ if (life > TKTLIFEMAXFIXED) return start + MAXTKTLIFETIME;
+ return start + tkt_lifetimes[life - TKTLIFEMINFIXED];
+}
+
+/*
+ * KFW_KRB4_time_to_life - takes start and end times for the ticket and
+ * returns a Kerberos standard lifetime char, possibily using the
+ * tkt_lifetimes table for lifetimes above 127*5 minutes. First, the
+ * special case of (end == NEVERDATE) is handled to mean no
+ * expiration. Then negative lifetimes and those greater than the
+ * maximum ticket lifetime are rejected. Then lifetimes less than the
+ * first table entry are handled by rounding the requested lifetime
+ * *up* to the next 5 minute interval. The final step is to search
+ * the table for the smallest entry *greater than or equal* to the
+ * requested entry.
+ */
+static int
+KFW_KRB4_time_to_life(u_int32_t start, u_int32_t end)
+{
+ int i;
+ long lifetime = end - start;
+
+ if (no_long_lifetimes) return (lifetime + 5*60 - 1)/(5*60);
+
+ if (end >= NEVERDATE) return TKTLIFENOEXPIRE;
+ if (lifetime > MAXTKTLIFETIME || lifetime <= 0) return 0;
+ if (lifetime < tkt_lifetimes[0]) return (lifetime + 5*60 - 1)/(5*60);
+ for (i=0; i<TKTLIFENUMFIXED; i++) {
+ if (lifetime <= tkt_lifetimes[i]) {
+ return i+TKTLIFEMINFIXED;
+ }
+ }
+ return 0;
+}
+
+
int
KFW_AFS_klog(
krb5_context alt_ctx,
memset(&atoken, '\0', sizeof(atoken));
atoken.kvno = creds.kvno;
atoken.startTime = creds.issue_date;
- atoken.endTime = creds.issue_date + (creds.lifetime * 300);
+ atoken.endTime = creds.issue_date + KFW_KRB4_life_to_time(0,creds.lifetime);
memcpy(&atoken.sessionKey, creds.session, 8);
atoken.ticketLen = creds.ticket_st.length;
memcpy(atoken.ticket, creds.ticket_st.dat, atoken.ticketLen);
git://git.openafs.org / openafs.git / commitdiff