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FreeBSD 11.0 - man page for krb5_set_password (freebsd section 3)

KRB5_SET_PASSWORD(3)					   BSD Library Functions Manual 				      KRB5_SET_PASSWORD(3)

krb5_change_password, krb5_set_password, krb5_set_password_using_ccache, krb5_passwd_result_to_string -- change password functions
Kerberos 5 Library (libkrb5, -lkrb5)
#include <krb5.h> krb5_error_code krb5_change_password(krb5_context context, krb5_creds *creds, char *newpw, int *result_code, krb5_data *result_code_string, krb5_data *result_string); krb5_error_code krb5_set_password(krb5_context context, krb5_creds *creds, char *newpw, krb5_principal targprinc, int *result_code, krb5_data *result_code_string, krb5_data *result_string); krb5_error_code krb5_set_password_using_ccache(krb5_context context, krb5_ccache ccache, char *newpw, krb5_principal targprinc, int *result_code, krb5_data *result_code_string, krb5_data *result_string); const char * krb5_passwd_result_to_string(krb5_context context, int result);
These functions change the password for a given principal. krb5_set_password() and krb5_set_password_using_ccache() are the newer of the three functions, and use a newer version of the protocol (and also fall back to the older set-password protocol if the newer protocol doesn't work). krb5_change_password() sets the password newpasswd for the client principal in creds. The server principal of creds must be kadmin/changepw. krb5_set_password() and krb5_set_password_using_ccache() change the password for the principal targprinc. krb5_set_password() requires that the credential for kadmin/changepw@REALM is in creds. If the user caller isn't an administrator, this cre- dential needs to be an initial credential, see krb5_get_init_creds(3) how to get such credentials. krb5_set_password_using_ccache() will get the credential from ccache. If targprinc is NULL, krb5_set_password_using_ccache() uses the the default principal in ccache and krb5_set_password() uses the global the default principal. All three functions return an error in result_code and maybe an error string to print in result_string. krb5_passwd_result_to_string() returns an human readable string describing the error code in result_code from the krb5_set_password() func- tions.
krb5_ccache(3), krb5_init_context(3)
July 15, 2004 HEIMDAL

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