From 78cf847bfbb3aa5f78713fb47200070c5605d5ef Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 4 Jul 2021 22:38:22 +0000
Subject: [PATCH] rsa(8): document auth/x5092pub, fix usage lines

---
 sys/man/8/rsa               | 21 ++++++++++++++++++++-
 sys/src/cmd/auth/rsa2csr.c  |  2 +-
 sys/src/cmd/auth/x5092pub.c |  2 +-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/sys/man/8/rsa b/sys/man/8/rsa
index 57a24e5ae..bc0decceb 100644
--- a/sys/man/8/rsa
+++ b/sys/man/8/rsa
@@ -1,6 +1,6 @@
 .TH RSA 8
 .SH NAME
-rsagen, rsafill, asn12rsa, rsa2asn1, rsa2pub, rsa2ssh, rsa2x509, rsa2csr \- generate and format rsa keys
+rsagen, rsafill, asn12rsa, rsa2asn1, rsa2pub, rsa2ssh, rsa2x509, rsa2csr, x5092pub \- generate and format rsa keys
 .SH SYNOPSIS
 .B rsagen
 [
@@ -63,6 +63,13 @@ rsagen, rsafill, asn12rsa, rsa2asn1, rsa2pub, rsa2ssh, rsa2x509, rsa2csr \- gene
 [
 .I file
 ]
+.PP
+.B x5092pub
+[
+.B -r
+] [
+.I file
+]
 .SH DESCRIPTION
 Plan 9 represents an RSA key as an attribute-value pair list
 prefixed with the string
@@ -245,6 +252,18 @@ avoiding it being stored unencrypted on the filesystem.
 takes the
 .I subject
 and a RSA private key and outputs a signing request in ASN.1 format.
+.PP
+The program
+.I x5092pub
+converts a binary certificate (or certificate request when
+.B -r
+flag is given)
+read from
+.I file
+or stdin,
+and outputs the public key with a
+.B subject
+attribute on standard output.
 .SH EXAMPLES
 Generate a fresh key and use it to start a TLS-enabled web server:
 .IP
diff --git a/sys/src/cmd/auth/rsa2csr.c b/sys/src/cmd/auth/rsa2csr.c
index b8b126f60..44a98ecc0 100644
--- a/sys/src/cmd/auth/rsa2csr.c
+++ b/sys/src/cmd/auth/rsa2csr.c
@@ -9,7 +9,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: aux/rsa2csr 'C=US ...CN=xxx' [key]\n");
+	fprint(2, "usage: auth/rsa2csr 'C=US ...CN=xxx' [key]\n");
 	exits("usage");
 }
 
diff --git a/sys/src/cmd/auth/x5092pub.c b/sys/src/cmd/auth/x5092pub.c
index 2b9ef2067..a65345a14 100644
--- a/sys/src/cmd/auth/x5092pub.c
+++ b/sys/src/cmd/auth/x5092pub.c
@@ -12,7 +12,7 @@ char subject[1024];
 void
 usage(void)
 {
-	fprint(2, "usage: aux/x5092pub [-r] [file]\n");
+	fprint(2, "usage: auth/x5092pub [-r] [file]\n");
 	exits("usage");
 }
 
-- 
2.44.0