diff options
Diffstat (limited to 'crypto/kerberosIV/kuser/klist.c')
| -rw-r--r-- | crypto/kerberosIV/kuser/klist.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/crypto/kerberosIV/kuser/klist.c b/crypto/kerberosIV/kuser/klist.c new file mode 100644 index 0000000..faf7d6b --- /dev/null +++ b/crypto/kerberosIV/kuser/klist.c @@ -0,0 +1,314 @@ +/* + * Copyright 1987, 1988 by the Massachusetts Institute of Technology. + * + * For copying and distribution information, please see the file + * <mit-copyright.h>. + * + * Lists your current Kerberos tickets. + * Written by Bill Sommerfeld, MIT Project Athena. + */ + +#include "kuser_locl.h" + +#if defined(HAVE_SYS_IOCTL_H) && SunOS != 4 +#include <sys/ioctl.h> +#endif + +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif + +#include <kafs.h> + +RCSID("$Id: klist.c,v 1.28 1997/05/26 17:33:50 bg Exp $"); + +static int option_verbose = 0; + +static char * +short_date(int32_t dp) +{ + char *cp; + time_t t = (time_t)dp; + + if (t == (time_t)(-1L)) return "*** Never *** "; + cp = ctime(&t) + 4; + cp[15] = '\0'; + return (cp); +} + +static void +display_tktfile(char *file, int tgt_test, int long_form) +{ + krb_principal pr; + char buf1[20], buf2[20]; + int k_errno; + CREDENTIALS c; + int header = 1; + + if ((file == NULL) && ((file = getenv("KRBTKFILE")) == NULL)) + file = TKT_FILE; + + if (long_form) + printf("Ticket file: %s\n", file); + + /* + * Since krb_get_tf_realm will return a ticket_file error, + * we will call tf_init and tf_close first to filter out + * things like no ticket file. Otherwise, the error that + * the user would see would be + * klist: can't find realm of ticket file: No ticket file (tf_util) + * instead of + * klist: No ticket file (tf_util) + */ + + /* Open ticket file */ + if ((k_errno = tf_init(file, R_TKT_FIL))) { + if (!tgt_test) + warnx("%s", krb_get_err_text(k_errno)); + exit(1); + } + /* Close ticket file */ + tf_close(); + + /* + * We must find the realm of the ticket file here before calling + * tf_init because since the realm of the ticket file is not + * really stored in the principal section of the file, the + * routine we use must itself call tf_init and tf_close. + */ + if ((k_errno = krb_get_tf_realm(file, pr.realm)) != KSUCCESS) { + if (!tgt_test) + warnx("can't find realm of ticket file: %s", + krb_get_err_text(k_errno)); + exit(1); + } + + /* Open ticket file */ + if ((k_errno = tf_init(file, R_TKT_FIL))) { + if (!tgt_test) + warnx("%s", krb_get_err_text(k_errno)); + exit(1); + } + /* Get principal name and instance */ + if ((k_errno = tf_get_pname(pr.name)) || + (k_errno = tf_get_pinst(pr.instance))) { + if (!tgt_test) + warnx("%s", krb_get_err_text(k_errno)); + exit(1); + } + + /* + * You may think that this is the obvious place to get the + * realm of the ticket file, but it can't be done here as the + * routine to do this must open the ticket file. This is why + * it was done before tf_init. + */ + + if (!tgt_test && long_form) + printf("Principal:\t%s\n\n", krb_unparse_name(&pr)); + while ((k_errno = tf_get_cred(&c)) == KSUCCESS) { + if (!tgt_test && long_form && header) { + printf("%-15s %-15s %s%s\n", + " Issued", " Expires", " Principal", + option_verbose ? " (kvno)" : ""); + header = 0; + } + if (tgt_test) { + c.issue_date = krb_life_to_time(c.issue_date, c.lifetime); + if (!strcmp(c.service, KRB_TICKET_GRANTING_TICKET) && + !strcmp(c.instance, pr.realm)) { + if (time(0) < c.issue_date) + exit(0); /* tgt hasn't expired */ + else + exit(1); /* has expired */ + } + continue; /* not a tgt */ + } + if (long_form) { + strcpy(buf1, short_date(c.issue_date)); + c.issue_date = krb_life_to_time(c.issue_date, c.lifetime); + if (time(0) < (unsigned long) c.issue_date) + strcpy(buf2, short_date(c.issue_date)); + else + strcpy(buf2, ">>> Expired <<<"); + printf("%s %s ", buf1, buf2); + } + printf("%s", krb_unparse_name_long(c.service, c.instance, c.realm)); + if(long_form && option_verbose) + printf(" (%d)", c.kvno); + printf("\n"); + } + if (tgt_test) + exit(1); /* no tgt found */ + if (header && long_form && k_errno == EOF) { + printf("No tickets in file.\n"); + } +} + +/* adapted from getst() in librkb */ +/* + * ok_getst() takes a file descriptor, a string and a count. It reads + * from the file until either it has read "count" characters, or until + * it reads a null byte. When finished, what has been read exists in + * the given string "s". If "count" characters were actually read, the + * last is changed to a null, so the returned string is always null- + * terminated. ok_getst() returns the number of characters read, including + * the null terminator. + * + * If there is a read error, it returns -1 (like the read(2) system call) + */ + +static int +ok_getst(int fd, char *s, int n) +{ + int count = n; + int err; + while ((err = read(fd, s, 1)) > 0 && --count) + if (*s++ == '\0') + return (n - count); + if (err < 0) + return(-1); + *s = '\0'; + return (n - count); +} + +static void +display_tokens() +{ + u_int32_t i; + unsigned char t[128]; + struct ViceIoctl parms; + struct ClearToken ct; + int size_secret_tok, size_public_tok; + + parms.in = (void *)&i; + parms.in_size = sizeof(i); + parms.out = (void *)t; + parms.out_size = sizeof(t); + + for (i = 0; k_pioctl(NULL, VIOCGETTOK, &parms, 0) == 0; i++) { + char *cell; + memcpy(&size_secret_tok, t, 4); + memcpy(&size_public_tok, t + 4 + size_secret_tok, 4); + memcpy(&ct, t + 4 + size_secret_tok + 4, size_public_tok); + cell = t + 4 + size_secret_tok + 4 + size_public_tok + 4; + + printf("%-15s ", short_date(ct.BeginTimestamp)); + printf("%-15s ", short_date(ct.EndTimestamp)); + if ((ct.EndTimestamp - ct.BeginTimestamp) & 1) + printf("User's (AFS ID %d) tokens for %s", ct.ViceId, cell); + else + printf("Tokens for %s", cell); + if (option_verbose) + printf(" (%d)", ct.AuthHandle); + putchar('\n'); + } +} + +static void +display_srvtab(char *file) +{ + int stab; + char serv[SNAME_SZ]; + char inst[INST_SZ]; + char rlm[REALM_SZ]; + unsigned char key[8]; + unsigned char vno; + int count; + + printf("Server key file: %s\n", file); + + if ((stab = open(file, O_RDONLY, 0400)) < 0) { + perror(file); + exit(1); + } + printf("%-15s %-15s %-10s %s\n","Service","Instance","Realm", + "Key Version"); + printf("------------------------------------------------------\n"); + + /* argh. getst doesn't return error codes, it silently fails */ + while (((count = ok_getst(stab, serv, SNAME_SZ)) > 0) + && ((count = ok_getst(stab, inst, INST_SZ)) > 0) + && ((count = ok_getst(stab, rlm, REALM_SZ)) > 0)) { + if (((count = read(stab, &vno,1)) != 1) || + ((count = read(stab, key,8)) != 8)) { + if (count < 0) + err(1, "reading from key file"); + else + errx(1, "key file truncated"); + } + printf("%-15s %-15s %-15s %d\n",serv,inst,rlm,vno); + } + if (count < 0) + warn(file); + close(stab); +} + +static void +usage(void) +{ + fprintf(stderr, + "Usage: %s [ -v | -s | -t ] [ -f filename ] [-tokens] [-srvtab ]\n", + __progname); + exit(1); +} + +/* ARGSUSED */ +int +main(int argc, char **argv) +{ + int long_form = 1; + int tgt_test = 0; + int do_srvtab = 0; + int do_tokens = 0; + char *tkt_file = NULL; + + set_progname(argv[0]); + + while (*(++argv)) { + if (!strcmp(*argv, "-v")) { + option_verbose = 1; + continue; + } + if (!strcmp(*argv, "-s")) { + long_form = 0; + continue; + } + if (!strcmp(*argv, "-t")) { + tgt_test = 1; + long_form = 0; + continue; + } + if (strcmp(*argv, "-tokens") == 0 + || strcmp(*argv, "-T") == 0) { + do_tokens = k_hasafs(); + continue; + } + if (!strcmp(*argv, "-l")) { /* now default */ + continue; + } + if (!strncmp(*argv, "-f", 2)) { + if (*(++argv)) { + tkt_file = *argv; + continue; + } else + usage(); + } + if (!strcmp(*argv, "-srvtab")) { + if (tkt_file == NULL) /* if no other file spec'ed, + set file to default srvtab */ + tkt_file = KEYFILE; + do_srvtab = 1; + continue; + } + usage(); + } + + if (do_srvtab) + display_srvtab(tkt_file); + else + display_tktfile(tkt_file, tgt_test, long_form); + if (long_form && do_tokens) + display_tokens(); + exit(0); +} |
