SSL_rstate_string.3ossl 5.9 KB

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  135. .IX Title "SSL_RSTATE_STRING 3ossl"
  136. .TH SSL_RSTATE_STRING 3ossl "2024-09-03" "3.3.2" "OpenSSL"
  137. .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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  139. .if n .ad l
  140. .nh
  141. .SH "NAME"
  142. SSL_rstate_string, SSL_rstate_string_long \- get textual description of state of an SSL object during read operation
  143. .SH "SYNOPSIS"
  144. .IX Header "SYNOPSIS"
  145. .Vb 1
  146. \& #include <openssl/ssl.h>
  147. \&
  148. \& const char *SSL_rstate_string(SSL *ssl);
  149. \& const char *SSL_rstate_string_long(SSL *ssl);
  150. .Ve
  151. .SH "DESCRIPTION"
  152. .IX Header "DESCRIPTION"
  153. \&\fBSSL_rstate_string()\fR returns a 2 letter string indicating the current read state
  154. of the \s-1SSL\s0 object \fBssl\fR.
  155. .PP
  156. \&\fBSSL_rstate_string_long()\fR returns a string indicating the current read state of
  157. the \s-1SSL\s0 object \fBssl\fR.
  158. .SH "NOTES"
  159. .IX Header "NOTES"
  160. When performing a read operation, the \s-1SSL/TLS\s0 engine must parse the record,
  161. consisting of header and body. When working in a blocking environment,
  162. SSL_rstate_string[_long]() should always return \*(L"\s-1RD\*(R"/\s0\*(L"read done\*(R".
  163. .PP
  164. This function should only seldom be needed in applications.
  165. .SH "RETURN VALUES"
  166. .IX Header "RETURN VALUES"
  167. \&\fBSSL_rstate_string()\fR and \fBSSL_rstate_string_long()\fR can return the following
  168. values:
  169. .ie n .IP """\s-1RH""/\s0""read header""" 4
  170. .el .IP "``\s-1RH''/\s0``read header''" 4
  171. .IX Item "RH/read header"
  172. The header of the record is being evaluated.
  173. .ie n .IP """\s-1RB""/\s0""read body""" 4
  174. .el .IP "``\s-1RB''/\s0``read body''" 4
  175. .IX Item "RB/read body"
  176. The body of the record is being evaluated.
  177. .ie n .IP """unknown""/""unknown""" 4
  178. .el .IP "``unknown''/``unknown''" 4
  179. .IX Item "unknown/unknown"
  180. The read state is unknown. This should never happen.
  181. .PP
  182. When used with \s-1QUIC SSL\s0 objects, these functions always return \*(L"\s-1RH\*(R"/\s0\*(L"read
  183. header\*(R" in normal conditions.
  184. .SH "SEE ALSO"
  185. .IX Header "SEE ALSO"
  186. \&\fBssl\fR\|(7)
  187. .SH "COPYRIGHT"
  188. .IX Header "COPYRIGHT"
  189. Copyright 2001\-2023 The OpenSSL Project Authors. All Rights Reserved.
  190. .PP
  191. Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
  192. this file except in compliance with the License. You can obtain a copy
  193. in the file \s-1LICENSE\s0 in the source distribution or at
  194. <https://www.openssl.org/source/license.html>.