1krb5_ccache_intro(3)        HeimdalKerberos5library       krb5_ccache_intro(3)
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NAME

6       krb5_ccache_introThe credential cache functions
7        -
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Kerberos credential caches

10       krb5_ccache structure holds a Kerberos credential cache.
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12       Heimdal support the follow types of credential caches:
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14       · SCC Store the credential in a database
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16       · FILE Store the credential in memory
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18       · MEMORY Store the credential in memory
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20       · API A credential cache server based solution for Mac OS X
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22       · KCM A credential cache server based solution for all platforms
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24   Example
25       This is a minimalistic version of klist:
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27       #include <krb5.h>
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29       int
30       main (int argc, char **argv)
31       {
32           krb5_context context;
33           krb5_cc_cursor cursor;
34           krb5_error_code ret;
35           krb5_ccache id;
36           krb5_creds creds;
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38           if (krb5_init_context (&context) != 0)
39               errx(1, "krb5_context");
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41           ret = krb5_cc_default (context, &id);
42           if (ret)
43               krb5_err(context, 1, ret, "krb5_cc_default");
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45           ret = krb5_cc_start_seq_get(context, id, &cursor);
46           if (ret)
47               krb5_err(context, 1, ret, "krb5_cc_start_seq_get");
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49           while((ret = krb5_cc_next_cred(context, id, &cursor, &creds)) == 0){
50               char *principal;
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52               krb5_unparse_name(context, creds.server, &principal);
53               printf("principal: %s\n", principal);
54               free(principal);
55               krb5_free_cred_contents (context, &creds);
56           }
57           ret = krb5_cc_end_seq_get(context, id, &cursor);
58           if (ret)
59               krb5_err(context, 1, ret, "krb5_cc_end_seq_get");
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61           krb5_cc_close(context, id);
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63           krb5_free_context(context);
64           return 0;
65       }
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68Version 7.7.0                   Fri Jun 7 2019            krb5_ccache_intro(3)
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