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35 .Dt KRB5_VERIFY_USER 3
38 .Nm krb5_verify_user ,
39 .Nm krb5_verify_user_lrealm ,
40 .Nm krb5_verify_user_opt ,
41 .Nm krb5_verify_opt_init ,
42 .Nm krb5_verify_opt_alloc ,
43 .Nm krb5_verify_opt_free ,
44 .Nm krb5_verify_opt_set_ccache ,
45 .Nm krb5_verify_opt_set_flags ,
46 .Nm krb5_verify_opt_set_service ,
47 .Nm krb5_verify_opt_set_secure ,
48 .Nm krb5_verify_opt_set_keytab
49 .Nd Heimdal password verifying functions
51 Kerberos 5 Library (libkrb5, -lkrb5)
55 .Fn "krb5_verify_user" "krb5_context context" " krb5_principal principal" "krb5_ccache ccache" "const char *password" "krb5_boolean secure" "const char *service"
57 .Fn "krb5_verify_user_lrealm" "krb5_context context" "krb5_principal principal" "krb5_ccache ccache" "const char *password" "krb5_boolean secure" "const char *service"
59 .Fn krb5_verify_opt_init "krb5_verify_opt *opt"
61 .Fn krb5_verify_opt_alloc "krb5_verify_opt **opt"
63 .Fn krb5_verify_opt_free "krb5_verify_opt *opt"
65 .Fn krb5_verify_opt_set_ccache "krb5_verify_opt *opt" "krb5_ccache ccache"
67 .Fn krb5_verify_opt_set_keytab "krb5_verify_opt *opt" "krb5_keytab keytab"
69 .Fn krb5_verify_opt_set_secure "krb5_verify_opt *opt" "krb5_boolean secure"
71 .Fn krb5_verify_opt_set_service "krb5_verify_opt *opt" "const char *service"
73 .Fn krb5_verify_opt_set_flags "krb5_verify_opt *opt" "unsigned int flags"
75 .Fo krb5_verify_user_opt
76 .Fa "krb5_context context"
77 .Fa "krb5_principal principal"
78 .Fa "const char *password"
79 .Fa "krb5_verify_opt *opt"
84 function verifies the password supplied by a user.
85 The principal whose password will be verified is specified in
87 New tickets will be obtained as a side-effect and stored in
91 the default ccache is used).
94 .Fn krb5_cc_initialize
99 must only initialized with
102 .Fn krb5_cc_gen_new .
103 If the password is not supplied in
107 the user will be prompted for it.
110 the ticket will be verified against the locally stored service key
119 .Fn krb5_verify_user_lrealm
120 function does the same, except that it ignores the realm in
122 and tries all the local realms (see
124 After a successful return, the principal is set to the authenticated
125 realm. If the call fails, the principal will not be meaningful, and
126 should only be freed with
127 .Xr krb5_free_principal 3 .
129 .Fn krb5_verify_opt_alloc
131 .Fn krb5_verify_opt_free
132 allocates and frees a
133 .Li krb5_verify_opt .
134 You should use the the alloc and free function instead of allocation
135 the structure yourself, this is because in a future release the
136 structure wont be exported.
138 .Fn krb5_verify_opt_init
139 resets all opt to default values.
141 None of the krb5_verify_opt_set function makes a copy of the data
142 structure that they are called with. It's up the caller to free them
144 .Fn krb5_verify_user_opt
147 .Fn krb5_verify_opt_set_ccache
152 will use. If not set, the default credential cache will be used.
154 .Fn krb5_verify_opt_set_keytab
159 will use. If not set, the default keytab will be used.
161 .Fn krb5_verify_opt_set_secure
164 if true, the password verification will require that the ticket will
165 be verified against the locally stored service key. If not set,
166 default value is true.
168 .Fn krb5_verify_opt_set_service
171 principal that user of
173 will use. If not set, the
175 service will be used.
177 .Fn krb5_verify_opt_set_flags
184 .Dv KRB5_VERIFY_LREALMS
187 will be modified like
188 .Fn krb5_verify_user_lrealm
191 .Fn krb5_verify_user_opt
192 function verifies the
195 The principal whose password will be verified is specified in
197 Options the to the verification process is pass in in
200 Here is a example program that verifies a password. it uses the
208 main(int argc, char **argv)
211 krb5_error_code error;
212 krb5_principal princ;
213 krb5_context context;
216 errx(1, "usage: verify_passwd <principal-name>");
220 if (krb5_init_context(&context) < 0)
221 errx(1, "krb5_init_context");
223 if ((error = krb5_parse_name(context, user, &princ)) != 0)
224 krb5_err(context, 1, error, "krb5_parse_name");
226 error = krb5_verify_user(context, princ, NULL, NULL, TRUE, NULL);
228 krb5_err(context, 1, error, "krb5_verify_user");
234 .Xr krb5_cc_gen_new 3 ,
235 .Xr krb5_cc_initialize 3 ,
236 .Xr krb5_cc_resolve 3 ,
238 .Xr krb5_free_principal 3 ,
239 .Xr krb5_init_context 3 ,
240 .Xr krb5_kt_default 3 ,