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-rw-r--r--kuser/klist.c639
1 files changed, 639 insertions, 0 deletions
diff --git a/kuser/klist.c b/kuser/klist.c
new file mode 100644
index 0000000000000..3148ddc275e24
--- /dev/null
+++ b/kuser/klist.c
@@ -0,0 +1,639 @@
+/*
+ * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "kuser_locl.h"
+#include "rtbl.h"
+
+RCSID("$Id: klist.c 20516 2007-04-22 10:40:41Z lha $");
+
+static char*
+printable_time(time_t t)
+{
+ static char s[128];
+ strlcpy(s, ctime(&t)+ 4, sizeof(s));
+ s[15] = 0;
+ return s;
+}
+
+static char*
+printable_time_long(time_t t)
+{
+ static char s[128];
+ strlcpy(s, ctime(&t)+ 4, sizeof(s));
+ s[20] = 0;
+ return s;
+}
+
+#define COL_ISSUED " Issued"
+#define COL_EXPIRES " Expires"
+#define COL_FLAGS "Flags"
+#define COL_PRINCIPAL " Principal"
+#define COL_PRINCIPAL_KVNO " Principal (kvno)"
+#define COL_CACHENAME " Cache name"
+
+static void
+print_cred(krb5_context context, krb5_creds *cred, rtbl_t ct, int do_flags)
+{
+ char *str;
+ krb5_error_code ret;
+ krb5_timestamp sec;
+
+ krb5_timeofday (context, &sec);
+
+
+ if(cred->times.starttime)
+ rtbl_add_column_entry(ct, COL_ISSUED,
+ printable_time(cred->times.starttime));
+ else
+ rtbl_add_column_entry(ct, COL_ISSUED,
+ printable_time(cred->times.authtime));
+
+ if(cred->times.endtime > sec)
+ rtbl_add_column_entry(ct, COL_EXPIRES,
+ printable_time(cred->times.endtime));
+ else
+ rtbl_add_column_entry(ct, COL_EXPIRES, ">>>Expired<<<");
+ ret = krb5_unparse_name (context, cred->server, &str);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_unparse_name");
+ rtbl_add_column_entry(ct, COL_PRINCIPAL, str);
+ if(do_flags) {
+ char s[16], *sp = s;
+ if(cred->flags.b.forwardable)
+ *sp++ = 'F';
+ if(cred->flags.b.forwarded)
+ *sp++ = 'f';
+ if(cred->flags.b.proxiable)
+ *sp++ = 'P';
+ if(cred->flags.b.proxy)
+ *sp++ = 'p';
+ if(cred->flags.b.may_postdate)
+ *sp++ = 'D';
+ if(cred->flags.b.postdated)
+ *sp++ = 'd';
+ if(cred->flags.b.renewable)
+ *sp++ = 'R';
+ if(cred->flags.b.initial)
+ *sp++ = 'I';
+ if(cred->flags.b.invalid)
+ *sp++ = 'i';
+ if(cred->flags.b.pre_authent)
+ *sp++ = 'A';
+ if(cred->flags.b.hw_authent)
+ *sp++ = 'H';
+ *sp++ = '\0';
+ rtbl_add_column_entry(ct, COL_FLAGS, s);
+ }
+ free(str);
+}
+
+static void
+print_cred_verbose(krb5_context context, krb5_creds *cred)
+{
+ int j;
+ char *str;
+ krb5_error_code ret;
+ int first_flag;
+ krb5_timestamp sec;
+
+ krb5_timeofday (context, &sec);
+
+ ret = krb5_unparse_name(context, cred->server, &str);
+ if(ret)
+ exit(1);
+ printf("Server: %s\n", str);
+ free (str);
+
+ ret = krb5_unparse_name(context, cred->client, &str);
+ if(ret)
+ exit(1);
+ printf("Client: %s\n", str);
+ free (str);
+
+ {
+ Ticket t;
+ size_t len;
+ char *s;
+
+ decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
+ ret = krb5_enctype_to_string(context, t.enc_part.etype, &s);
+ printf("Ticket etype: ");
+ if (ret == 0) {
+ printf("%s", s);
+ free(s);
+ } else {
+ printf("unknown(%d)", t.enc_part.etype);
+ }
+ if(t.enc_part.kvno)
+ printf(", kvno %d", *t.enc_part.kvno);
+ printf("\n");
+ if(cred->session.keytype != t.enc_part.etype) {
+ ret = krb5_enctype_to_string(context, cred->session.keytype, &str);
+ if(ret)
+ krb5_warn(context, ret, "session keytype");
+ else {
+ printf("Session key: %s\n", str);
+ free(str);
+ }
+ }
+ free_Ticket(&t);
+ printf("Ticket length: %lu\n", (unsigned long)cred->ticket.length);
+ }
+ printf("Auth time: %s\n", printable_time_long(cred->times.authtime));
+ if(cred->times.authtime != cred->times.starttime)
+ printf("Start time: %s\n", printable_time_long(cred->times.starttime));
+ printf("End time: %s", printable_time_long(cred->times.endtime));
+ if(sec > cred->times.endtime)
+ printf(" (expired)");
+ printf("\n");
+ if(cred->flags.b.renewable)
+ printf("Renew till: %s\n",
+ printable_time_long(cred->times.renew_till));
+ printf("Ticket flags: ");
+#define PRINT_FLAG2(f, s) if(cred->flags.b.f) { if(!first_flag) printf(", "); printf("%s", #s); first_flag = 0; }
+#define PRINT_FLAG(f) PRINT_FLAG2(f, f)
+ first_flag = 1;
+ PRINT_FLAG(forwardable);
+ PRINT_FLAG(forwarded);
+ PRINT_FLAG(proxiable);
+ PRINT_FLAG(proxy);
+ PRINT_FLAG2(may_postdate, may-postdate);
+ PRINT_FLAG(postdated);
+ PRINT_FLAG(invalid);
+ PRINT_FLAG(renewable);
+ PRINT_FLAG(initial);
+ PRINT_FLAG2(pre_authent, pre-authenticated);
+ PRINT_FLAG2(hw_authent, hw-authenticated);
+ PRINT_FLAG2(transited_policy_checked, transited-policy-checked);
+ PRINT_FLAG2(ok_as_delegate, ok-as-delegate);
+ PRINT_FLAG(anonymous);
+ printf("\n");
+ printf("Addresses: ");
+ if (cred->addresses.len != 0) {
+ for(j = 0; j < cred->addresses.len; j++){
+ char buf[128];
+ size_t len;
+ if(j) printf(", ");
+ ret = krb5_print_address(&cred->addresses.val[j],
+ buf, sizeof(buf), &len);
+
+ if(ret == 0)
+ printf("%s", buf);
+ }
+ } else {
+ printf("addressless");
+ }
+ printf("\n\n");
+}
+
+/*
+ * Print all tickets in `ccache' on stdout, verbosily iff do_verbose.
+ */
+
+static void
+print_tickets (krb5_context context,
+ krb5_ccache ccache,
+ krb5_principal principal,
+ int do_verbose,
+ int do_flags,
+ int do_hidden)
+{
+ krb5_error_code ret;
+ char *str;
+ krb5_cc_cursor cursor;
+ krb5_creds creds;
+ int32_t sec, usec;
+
+ rtbl_t ct = NULL;
+
+ ret = krb5_unparse_name (context, principal, &str);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_unparse_name");
+
+ printf ("%17s: %s:%s\n",
+ "Credentials cache",
+ krb5_cc_get_type(context, ccache),
+ krb5_cc_get_name(context, ccache));
+ printf ("%17s: %s\n", "Principal", str);
+ free (str);
+
+ if(do_verbose)
+ printf ("%17s: %d\n", "Cache version",
+ krb5_cc_get_version(context, ccache));
+
+ krb5_get_kdc_sec_offset(context, &sec, &usec);
+
+ if (do_verbose && sec != 0) {
+ char buf[BUFSIZ];
+ int val;
+ int sig;
+
+ val = sec;
+ sig = 1;
+ if (val < 0) {
+ sig = -1;
+ val = -val;
+ }
+
+ unparse_time (val, buf, sizeof(buf));
+
+ printf ("%17s: %s%s\n", "KDC time offset",
+ sig == -1 ? "-" : "", buf);
+ }
+
+ printf("\n");
+
+ ret = krb5_cc_start_seq_get (context, ccache, &cursor);
+ if (ret)
+ krb5_err(context, 1, ret, "krb5_cc_start_seq_get");
+
+ if(!do_verbose) {
+ ct = rtbl_create();
+ rtbl_add_column(ct, COL_ISSUED, 0);
+ rtbl_add_column(ct, COL_EXPIRES, 0);
+ if(do_flags)
+ rtbl_add_column(ct, COL_FLAGS, 0);
+ rtbl_add_column(ct, COL_PRINCIPAL, 0);
+ rtbl_set_separator(ct, " ");
+ }
+ while ((ret = krb5_cc_next_cred (context,
+ ccache,
+ &cursor,
+ &creds)) == 0) {
+ const char *str;
+ str = krb5_principal_get_comp_string(context, creds.server, 0);
+ if (!do_hidden && str && str[0] == '@') {
+ ;
+ }else if(do_verbose){
+ print_cred_verbose(context, &creds);
+ }else{
+ print_cred(context, &creds, ct, do_flags);
+ }
+ krb5_free_cred_contents (context, &creds);
+ }
+ if(ret != KRB5_CC_END)
+ krb5_err(context, 1, ret, "krb5_cc_get_next");
+ ret = krb5_cc_end_seq_get (context, ccache, &cursor);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_end_seq_get");
+ if(!do_verbose) {
+ rtbl_format(ct, stdout);
+ rtbl_destroy(ct);
+ }
+}
+
+/*
+ * Check if there's a tgt for the realm of `principal' and ccache and
+ * if so return 0, else 1
+ */
+
+static int
+check_for_tgt (krb5_context context,
+ krb5_ccache ccache,
+ krb5_principal principal,
+ time_t *expiration)
+{
+ krb5_error_code ret;
+ krb5_creds pattern;
+ krb5_creds creds;
+ krb5_realm *client_realm;
+ int expired;
+
+ krb5_cc_clear_mcred(&pattern);
+
+ client_realm = krb5_princ_realm (context, principal);
+
+ ret = krb5_make_principal (context, &pattern.server,
+ *client_realm, KRB5_TGS_NAME, *client_realm,
+ NULL);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_make_principal");
+ pattern.client = principal;
+
+ ret = krb5_cc_retrieve_cred (context, ccache, 0, &pattern, &creds);
+ krb5_free_principal (context, pattern.server);
+ if (ret) {
+ if (ret == KRB5_CC_END)
+ return 1;
+ krb5_err (context, 1, ret, "krb5_cc_retrieve_cred");
+ }
+
+ expired = time(NULL) > creds.times.endtime;
+
+ if (expiration)
+ *expiration = creds.times.endtime;
+
+ krb5_free_cred_contents (context, &creds);
+
+ return expired;
+}
+
+/*
+ * Print a list of all AFS tokens
+ */
+
+static void
+display_tokens(int do_verbose)
+{
+ uint32_t i;
+ unsigned char t[4096];
+ struct ViceIoctl parms;
+
+ parms.in = (void *)&i;
+ parms.in_size = sizeof(i);
+ parms.out = (void *)t;
+ parms.out_size = sizeof(t);
+
+ for (i = 0;; i++) {
+ int32_t size_secret_tok, size_public_tok;
+ unsigned char *cell;
+ struct ClearToken ct;
+ unsigned char *r = t;
+ struct timeval tv;
+ char buf1[20], buf2[20];
+
+ if(k_pioctl(NULL, VIOCGETTOK, &parms, 0) < 0) {
+ if(errno == EDOM)
+ break;
+ continue;
+ }
+ if(parms.out_size > sizeof(t))
+ continue;
+ if(parms.out_size < sizeof(size_secret_tok))
+ continue;
+ t[min(parms.out_size,sizeof(t)-1)] = 0;
+ memcpy(&size_secret_tok, r, sizeof(size_secret_tok));
+ /* dont bother about the secret token */
+ r += size_secret_tok + sizeof(size_secret_tok);
+ if (parms.out_size < (r - t) + sizeof(size_public_tok))
+ continue;
+ memcpy(&size_public_tok, r, sizeof(size_public_tok));
+ r += sizeof(size_public_tok);
+ if (parms.out_size < (r - t) + size_public_tok + sizeof(int32_t))
+ continue;
+ memcpy(&ct, r, size_public_tok);
+ r += size_public_tok;
+ /* there is a int32_t with length of cellname, but we dont read it */
+ r += sizeof(int32_t);
+ cell = r;
+
+ gettimeofday (&tv, NULL);
+ strlcpy (buf1, printable_time(ct.BeginTimestamp),
+ sizeof(buf1));
+ if (do_verbose || tv.tv_sec < ct.EndTimestamp)
+ strlcpy (buf2, printable_time(ct.EndTimestamp),
+ sizeof(buf2));
+ else
+ strlcpy (buf2, ">>> Expired <<<", sizeof(buf2));
+
+ printf("%s %s ", buf1, buf2);
+
+ 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 (do_verbose)
+ printf(" (%d)", ct.AuthHandle);
+ putchar('\n');
+ }
+}
+
+/*
+ * display the ccache in `cred_cache'
+ */
+
+static int
+display_v5_ccache (const char *cred_cache, int do_test, int do_verbose,
+ int do_flags, int do_hidden)
+{
+ krb5_error_code ret;
+ krb5_context context;
+ krb5_ccache ccache;
+ krb5_principal principal;
+ int exit_status = 0;
+
+ ret = krb5_init_context (&context);
+ if (ret)
+ errx (1, "krb5_init_context failed: %d", ret);
+
+ if(cred_cache) {
+ ret = krb5_cc_resolve(context, cred_cache, &ccache);
+ if (ret)
+ krb5_err (context, 1, ret, "%s", cred_cache);
+ } else {
+ ret = krb5_cc_default (context, &ccache);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_resolve");
+ }
+
+ ret = krb5_cc_get_principal (context, ccache, &principal);
+ if (ret) {
+ if(ret == ENOENT) {
+ if (!do_test)
+ krb5_warnx(context, "No ticket file: %s",
+ krb5_cc_get_name(context, ccache));
+ return 1;
+ } else
+ krb5_err (context, 1, ret, "krb5_cc_get_principal");
+ }
+ if (do_test)
+ exit_status = check_for_tgt (context, ccache, principal, NULL);
+ else
+ print_tickets (context, ccache, principal, do_verbose,
+ do_flags, do_hidden);
+
+ ret = krb5_cc_close (context, ccache);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_close");
+
+ krb5_free_principal (context, principal);
+ krb5_free_context (context);
+ return exit_status;
+}
+
+/*
+ *
+ */
+
+static int
+list_caches(void)
+{
+ krb5_cc_cache_cursor cursor;
+ krb5_context context;
+ krb5_error_code ret;
+ krb5_ccache id;
+ rtbl_t ct;
+
+ ret = krb5_init_context (&context);
+ if (ret)
+ errx (1, "krb5_init_context failed: %d", ret);
+
+ ret = krb5_cc_cache_get_first (context, NULL, &cursor);
+ if (ret == KRB5_CC_NOSUPP)
+ return 0;
+ else if (ret)
+ krb5_err (context, 1, ret, "krb5_cc_cache_get_first");
+
+ ct = rtbl_create();
+ rtbl_add_column(ct, COL_PRINCIPAL, 0);
+ rtbl_add_column(ct, COL_CACHENAME, 0);
+ rtbl_add_column(ct, COL_EXPIRES, 0);
+ rtbl_set_prefix(ct, " ");
+ rtbl_set_column_prefix(ct, COL_PRINCIPAL, "");
+
+ while ((ret = krb5_cc_cache_next (context, cursor, &id)) == 0) {
+ krb5_principal principal;
+ char *name;
+
+ ret = krb5_cc_get_principal(context, id, &principal);
+ if (ret == 0) {
+ time_t t;
+ int expired = check_for_tgt (context, id, principal, &t);
+
+ ret = krb5_unparse_name(context, principal, &name);
+ if (ret == 0) {
+ rtbl_add_column_entry(ct, COL_PRINCIPAL, name);
+ rtbl_add_column_entry(ct, COL_CACHENAME,
+ krb5_cc_get_name(context, id));
+ rtbl_add_column_entry(ct, COL_EXPIRES,
+ expired ? ">>> Expired <<<" :
+ printable_time(t));
+ free(name);
+ krb5_free_principal(context, principal);
+ }
+ }
+ krb5_cc_close(context, id);
+ }
+
+ krb5_cc_cache_end_seq_get(context, cursor);
+
+ rtbl_format(ct, stdout);
+ rtbl_destroy(ct);
+
+ return 0;
+}
+
+/*
+ *
+ */
+
+static int version_flag = 0;
+static int help_flag = 0;
+static int do_verbose = 0;
+static int do_list_caches = 0;
+static int do_test = 0;
+static int do_tokens = 0;
+static int do_v5 = 1;
+static char *cred_cache;
+static int do_flags = 0;
+static int do_hidden = 0;
+
+static struct getargs args[] = {
+ { NULL, 'f', arg_flag, &do_flags },
+ { "cache", 'c', arg_string, &cred_cache,
+ "credentials cache to list", "cache" },
+ { "test", 't', arg_flag, &do_test,
+ "test for having tickets", NULL },
+ { NULL, 's', arg_flag, &do_test },
+ { "tokens", 'T', arg_flag, &do_tokens,
+ "display AFS tokens", NULL },
+ { "v5", '5', arg_flag, &do_v5,
+ "display v5 cred cache", NULL},
+ { "list-caches", 'l', arg_flag, &do_list_caches,
+ "verbose output", NULL },
+ { "verbose", 'v', arg_flag, &do_verbose,
+ "verbose output", NULL },
+ { "hidden", 0, arg_flag, &do_hidden,
+ "display hidden credentials", NULL },
+ { NULL, 'a', arg_flag, &do_verbose },
+ { NULL, 'n', arg_flag, &do_verbose },
+ { "version", 0, arg_flag, &version_flag,
+ "print version", NULL },
+ { "help", 0, arg_flag, &help_flag,
+ NULL, NULL}
+};
+
+static void
+usage (int ret)
+{
+ arg_printusage (args,
+ sizeof(args)/sizeof(*args),
+ NULL,
+ "");
+ exit (ret);
+}
+
+int
+main (int argc, char **argv)
+{
+ int optidx = 0;
+ int exit_status = 0;
+
+ setprogname (argv[0]);
+
+ if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
+ usage(1);
+
+ if (help_flag)
+ usage (0);
+
+ if(version_flag){
+ print_version(NULL);
+ exit(0);
+ }
+
+ argc -= optidx;
+ argv += optidx;
+
+ if (argc != 0)
+ usage (1);
+
+ if (do_list_caches) {
+ exit_status = list_caches();
+ return exit_status;
+ }
+
+ if (do_v5)
+ exit_status = display_v5_ccache (cred_cache, do_test,
+ do_verbose, do_flags, do_hidden);
+
+ if (!do_test) {
+ if (do_tokens && k_hasafs ()) {
+ if (do_v5)
+ printf ("\n");
+ display_tokens (do_verbose);
+ }
+ }
+
+ return exit_status;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 14:45:19 +0000