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Diffstat (limited to '')
| -rw-r--r-- | third_party/heimdal/kuser/kswitch.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/third_party/heimdal/kuser/kswitch.c b/third_party/heimdal/kuser/kswitch.c new file mode 100644 index 0000000..3bb3b70 --- /dev/null +++ b/third_party/heimdal/kuser/kswitch.c @@ -0,0 +1,179 @@ +/* + * Copyright (c) 2008 - 2010 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 "heimtools-commands.h" + +#ifdef HAVE_READLINE +char *readline(const char *prompt); +#else + +static char * +readline(const char *prompt) +{ + char buf[BUFSIZ]; + printf ("%s", prompt); + fflush (stdout); + if(fgets(buf, sizeof(buf), stdin) == NULL) + return NULL; + buf[strcspn(buf, "\r\n")] = '\0'; + return strdup(buf); +} + +#endif + +/* + * + */ + +int +kswitch(struct kswitch_options *opt, int argc, char **argv) +{ + krb5_error_code ret; + krb5_ccache id = NULL; + + if (opt->cache_string && opt->principal_string) + krb5_errx(heimtools_context, 1, + N_("Both --cache and --principal given, choose one", "")); + + if (opt->interactive_flag) { + krb5_cc_cache_cursor cursor; + krb5_ccache *ids = NULL; + size_t i, len = 0; + char *name; + rtbl_t ct; + + ct = rtbl_create(); + + rtbl_add_column_by_id(ct, 0, "#", 0); + rtbl_add_column_by_id(ct, 1, "Principal", 0); + rtbl_set_column_affix_by_id(ct, 1, " ", ""); + rtbl_add_column_by_id(ct, 2, "Type", 0); + rtbl_set_column_affix_by_id(ct, 2, " ", ""); + + ret = krb5_cc_cache_get_first(heimtools_context, NULL, &cursor); + if (ret) + krb5_err(heimtools_context, 1, ret, "krb5_cc_cache_get_first"); + + while (krb5_cc_cache_next(heimtools_context, cursor, &id) == 0) { + krb5_principal p = NULL; + char num[10]; + + ret = krb5_cc_get_principal(heimtools_context, id, &p); + if (ret == 0) + ret = krb5_unparse_name(heimtools_context, p, &name); + if (ret) { + krb5_cc_close(heimtools_context, id); + continue; + } + + krb5_free_principal(heimtools_context, p); + + snprintf(num, sizeof(num), "%d", (int)(len + 1)); + rtbl_add_column_entry_by_id(ct, 0, num); + rtbl_add_column_entry_by_id(ct, 1, name); + rtbl_add_column_entry_by_id(ct, 2, krb5_cc_get_type(heimtools_context, id)); + free(name); + + ids = erealloc(ids, (len + 1) * sizeof(ids[0])); + ids[len] = id; + len++; + } + krb5_cc_cache_end_seq_get(heimtools_context, cursor); + + rtbl_format(ct, stdout); + rtbl_destroy(ct); + + name = readline("Select number: "); + if (name) { + i = atoi(name); + if (i == 0) + krb5_errx(heimtools_context, 1, "Cache number '%s' is invalid", name); + if (i > len) + krb5_errx(heimtools_context, 1, "Cache number '%s' is too large", name); + + id = ids[i - 1]; + ids[i - 1] = NULL; + free(name); + } else + krb5_errx(heimtools_context, 1, "No cache selected"); + for (i = 0; i < len; i++) + if (ids[i]) + krb5_cc_close(heimtools_context, ids[i]); + free(ids); + } else if (opt->principal_string) { + krb5_principal p; + + ret = krb5_parse_name(heimtools_context, opt->principal_string, &p); + if (ret) + krb5_err(heimtools_context, 1, ret, "krb5_parse_name: %s", + opt->principal_string); + + ret = krb5_cc_cache_match(heimtools_context, p, &id); + if (ret) + krb5_err(heimtools_context, 1, ret, + N_("Did not find principal: %s", ""), + opt->principal_string); + + krb5_free_principal(heimtools_context, p); + + } else if (opt->cache_string) { + const krb5_cc_ops *ops; + char *str; + int aret; + + ops = krb5_cc_get_prefix_ops(heimtools_context, opt->type_string); + if (ops == NULL) + krb5_err(heimtools_context, 1, 0, "krb5_cc_get_prefix_ops"); + + aret = asprintf(&str, "%s:%s", ops->prefix, opt->cache_string); + if (aret == -1) + krb5_errx(heimtools_context, 1, N_("out of memory", "")); + + ret = krb5_cc_resolve(heimtools_context, str, &id); + if (ret) + krb5_err(heimtools_context, 1, ret, "krb5_cc_resolve: %s", str); + + free(str); + } else { + krb5_errx(heimtools_context, 1, "missing option for kswitch"); + } + + ret = krb5_cc_switch(heimtools_context, id); + if (ret) + krb5_err(heimtools_context, 1, ret, "krb5_cc_switch"); + + krb5_cc_close(heimtools_context, id); + + return 0; +} |