diff options
Diffstat (limited to 'src/include/libpq/libpq-be.h')
| -rw-r--r-- | src/include/libpq/libpq-be.h | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/src/include/libpq/libpq-be.h b/src/include/libpq/libpq-be.h index 32d3a4b0853..6d452ec6d95 100644 --- a/src/include/libpq/libpq-be.h +++ b/src/include/libpq/libpq-be.h @@ -89,6 +89,37 @@ typedef struct #endif /* + * ClientConnectionInfo includes the fields describing the client connection + * that are copied over to parallel workers as nothing from Port does that. + * The same rules apply for allocations here as for Port (everything must be + * malloc'd or palloc'd in TopMemoryContext). + * + * If you add a struct member here, remember to also handle serialization in + * SerializeClientConnectionInfo() and co. + */ +typedef struct ClientConnectionInfo +{ + /* + * Authenticated identity. The meaning of this identifier is dependent on + * auth_method; it is the identity (if any) that the user presented during + * the authentication cycle, before they were assigned a database role. + * (It is effectively the "SYSTEM-USERNAME" of a pg_ident usermap -- + * though the exact string in use may be different, depending on pg_hba + * options.) + * + * authn_id is NULL if the user has not actually been authenticated, for + * example if the "trust" auth method is in use. + */ + const char *authn_id; + + /* + * The HBA method that determined the above authn_id. This only has + * meaning if authn_id is not NULL; otherwise it's undefined. + */ + UserAuth auth_method; +} ClientConnectionInfo; + +/* * This is used by the postmaster in its communication with frontends. It * contains all state information needed during this communication before the * backend is run. The Port structure is kept in malloc'd memory and is @@ -149,19 +180,6 @@ typedef struct Port HbaLine *hba; /* - * Authenticated identity. The meaning of this identifier is dependent on - * hba->auth_method; it is the identity (if any) that the user presented - * during the authentication cycle, before they were assigned a database - * role. (It is effectively the "SYSTEM-USERNAME" of a pg_ident usermap - * -- though the exact string in use may be different, depending on pg_hba - * options.) - * - * authn_id is NULL if the user has not actually been authenticated, for - * example if the "trust" auth method is in use. - */ - const char *authn_id; - - /* * TCP keepalive and user timeout settings. * * default values are 0 if AF_UNIX or not yet known; current values are 0 @@ -317,6 +335,7 @@ extern ssize_t be_gssapi_write(Port *port, void *ptr, size_t len); #endif /* ENABLE_GSS */ extern PGDLLIMPORT ProtocolVersion FrontendProtocol; +extern PGDLLIMPORT ClientConnectionInfo MyClientConnectionInfo; /* TCP keepalives configuration. These are no-ops on an AF_UNIX socket. */ |