DOKK / manpages / debian 13 / libmongoc-doc / mongoc_uri_set_mechanism_properties.3.en
MONGOC_URI_SET_MECHANISM_PROPERTIES(3) libmongoc MONGOC_URI_SET_MECHANISM_PROPERTIES(3) 

bool
mongoc_uri_set_mechanism_properties (mongoc_uri_t *uri,


                                     const bson_t *properties);


  • uri: A mongoc_uri_t.
  • properties: A bson_t .

Replaces all the options in URI's "authMechanismProperties" after the URI has been parsed from a string.

Returns false if the option cannot be set, for example if properties is not valid BSON data.

mongoc_uri_t *uri;
bson_t props = BSON_INITIALIZER;
uri = mongoc_uri_new (


   "mongodb://user%40DOMAIN.COM:password@localhost/?authMechanism=GSSAPI"


   "&authMechanismProperties=SERVICE_NAME:other,CANONICALIZE_HOST_NAME:true");
/* replace all options: replace service name "other" with "my_service", unset


 * "CANONICALIZE_HOST_NAME" and accept its default.


 */
BSON_APPEND_UTF8 (&props, "SERVICE_NAME", "my_service");
mongoc_uri_set_mechanism_properties (uri, &props);
bson_destroy (&props);


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May 7, 2025 1.30.4