데이터 보안 유지

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#include <mongoc/mongoc.h>
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#include <bson/bson.h>
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int main(void) {
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  mongoc_uri_t* uri = NULL;
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  mongoc_client_t *client = NULL;
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  mongoc_database_t *database = NULL;
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  bson_t *ping = NULL, reply = BSON_INITIALIZER;
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  bson_error_t error;
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  mongoc_init();
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  // Start example code here
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  // End example code here
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  database = mongoc_client_get_database (client, "admin");
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  ping = BCON_NEW ("ping", BCON_INT32 (1));
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  if (!mongoc_client_command_simple (client, "admin", ping, NULL, &reply, &error)) {
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    fprintf (stderr, "%s\n", error.message);
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    goto cleanup;
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  }
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  printf ("Pinged your deployment. You successfully connected to MongoDB!\n");
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  cleanup:
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    bson_destroy (&reply);
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    bson_destroy (ping);
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    mongoc_database_destroy (database);
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    mongoc_client_destroy (client);
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    mongoc_uri_destroy (uri);
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    mongoc_cleanup ();
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}

const char *uri = "mongodb://<percent-encoded username>:<percent-encoded password>@<hostname>:<port>/?authMechanism=SCRAM-SHA-256&authSource=<authentication database>";
mongoc_client_t *client = mongoc_client_new(uri);

const char *uri = "mongodb://<percent-encoded username>:<percent-encoded password>@<hostname>:<port>/?authMechanism=SCRAM-SHA-1&authSource=<authentication database>";
mongoc_client_t *client = mongoc_client_new(uri);

mongoc_client_t *client;
mongoc_ssl_opt_t ssl_opts = {0};
ssl_opts.pem_file = "mycert.pem";
const char *uri = "mongodb://<percent-encoded username>@<hostname>:<port>/?authMechanism=MONGODB-X509";
mongoc_client_t *client = mongoc_client_new(uri);
mongoc_client_set_ssl_opts(client, &ssl_opts);