xbps-rindex(8): added support for XBPS_PASSPHRASE env var.
- XBPS_PASSPHRASE (if set) will be supplied as passphrase when signing repos. - Use the default OpenSSL passphrase cb when loading the private key.
This commit is contained in:
Juan RP
@@ -2,8 +2,6 @@ TOPDIR = ../..
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-include $(TOPDIR)/config.mk
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BIN = xbps-rindex
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OBJS = main.o index-add.o remove-obsoletes.o repoflush.o
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OBJS += readpassphrase.o sign.o
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EXTRA_CFLAGS = -Wno-unused-result
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OBJS = main.o index-add.o remove-obsoletes.o repoflush.o sign.o
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include $(TOPDIR)/mk/prog.mk
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@@ -74,9 +74,6 @@ int remove_obsoletes(struct xbps_handle *, const char *);
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int sign_repo(struct xbps_handle *, const char *, const char *,
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const char *);
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/* From readpass.c */
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char *readpassphrase(const char *, char *, size_t, int);
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/* From repoflush.c */
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bool repodata_flush(struct xbps_handle *, const char *,
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xbps_dictionary_t, xbps_dictionary_t, xbps_dictionary_t);
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@@ -1,123 +0,0 @@
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/* $NetBSD: readpassphrase.c,v 1.1 2009/06/07 22:38:47 christos Exp $ */
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/*
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* Copyright (c) 2000 Todd C. Miller <Todd.Miller@courtesan.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <pwd.h>
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#include <signal.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "defs.h"
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#define RPP_ECHO_OFF 0x00 /* Turn off echo (default). */
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#define RPP_ECHO_ON 0x01 /* Leave echo on. */
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#define RPP_REQUIRE_TTY 0x02 /* Fail if there is no tty. */
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#define RPP_FORCELOWER 0x04 /* Force input to lower case. */
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#define RPP_FORCEUPPER 0x08 /* Force input to upper case. */
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#define RPP_SEVENBIT 0x10 /* Strip the high bit from input. */
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char *
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readpassphrase(const char *prompt, char *buf, size_t bufsiz, int flags)
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{
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struct termios term, oterm;
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char ch, *p, *end;
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int input, output;
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sigset_t oset, nset;
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/* I suppose we could alloc on demand in this case (XXX). */
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if (bufsiz == 0) {
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errno = EINVAL;
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return(NULL);
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}
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/*
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* Read and write to /dev/tty if available. If not, read from
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* stdin and write to stderr unless a tty is required.
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*/
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if ((input = output = open(_PATH_TTY, O_RDWR)) == -1) {
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if (flags & RPP_REQUIRE_TTY) {
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errno = ENOTTY;
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return(NULL);
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}
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input = STDIN_FILENO;
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output = STDERR_FILENO;
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}
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/*
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* We block SIGINT and SIGTSTP so the terminal is not left
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* in an inconsistent state (ie: no echo). It would probably
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* be better to simply catch these though.
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*/
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sigemptyset(&nset);
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sigaddset(&nset, SIGINT);
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sigaddset(&nset, SIGTSTP);
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(void)sigprocmask(SIG_BLOCK, &nset, &oset);
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/* Turn off echo if possible. */
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if (tcgetattr(input, &oterm) == 0) {
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memcpy(&term, &oterm, sizeof(term));
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if (!(flags & RPP_ECHO_ON) && (term.c_lflag & ECHO))
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term.c_lflag &= ~ECHO;
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(void)tcsetattr(input, TCSAFLUSH, &term);
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} else {
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memset(&term, 0, sizeof(term));
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memset(&oterm, 0, sizeof(oterm));
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}
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(void)write(output, prompt, strlen(prompt));
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end = buf + bufsiz - 1;
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for (p = buf; read(input, &ch, 1) == 1 && ch != '\n' && ch != '\r';) {
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if (p < end) {
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if ((flags & RPP_SEVENBIT))
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ch &= 0x7f;
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if (isalpha((unsigned char)ch)) {
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if ((flags & RPP_FORCELOWER))
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ch = tolower((unsigned char)ch);
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if ((flags & RPP_FORCEUPPER))
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ch = toupper((unsigned char)ch);
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}
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*p++ = ch;
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}
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}
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*p = '\0';
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if (!(term.c_lflag & ECHO))
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(void)write(output, "\n", 1);
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/* Restore old terminal settings and signal mask. */
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if (memcmp(&term, &oterm, sizeof(term)) != 0)
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(void)tcsetattr(input, TCSAFLUSH, &oterm);
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(void)sigprocmask(SIG_SETMASK, &oset, NULL);
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if (input != STDIN_FILENO)
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(void)close(input);
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return(buf);
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}
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@@ -38,34 +38,13 @@
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#include "defs.h"
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static int
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password_cb(char *buf, int size)
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{
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int len = 0;
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char pass[BUFSIZ];
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if (readpassphrase("Enter passphrase: ", pass, BUFSIZ, 0) == NULL)
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return 0;
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len = strlen(pass);
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if (len <= 0)
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return 0;
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if (len > size)
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len = size;
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memset(buf, '\0', size);
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memcpy(buf, pass, len);
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memset(&pass, 0, BUFSIZ);
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return len;
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}
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static RSA *
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load_rsa_privkey(const char *path)
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{
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FILE *fp;
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RSA *rsa = NULL;
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const char *p;
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char *passphrase = NULL;
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if ((fp = fopen(path, "r")) == 0)
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return NULL;
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@@ -75,9 +54,15 @@ load_rsa_privkey(const char *path)
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return NULL;
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}
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rsa = PEM_read_RSAPrivateKey(fp, 0,
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(pem_password_cb *)password_cb,
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__UNCONST(path));
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p = getenv("XBPS_PASSPHRASE");
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if (p) {
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passphrase = strdup(p);
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}
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rsa = PEM_read_RSAPrivateKey(fp, 0, NULL, passphrase);
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if (passphrase) {
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free(passphrase);
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passphrase = NULL;
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}
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fclose(fp);
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return rsa;
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}
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@@ -1,4 +1,4 @@
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.Dd October 5, 2013
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.Dd October 12, 2013
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.Os Void Linux
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.Dt xbps-rindex 8
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.Sh NAME
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@@ -49,6 +49,9 @@ argument not set, it defaults to
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.Sy ~/.ssh/id_rsa .
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.Sh ENVIRONMENT
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.Bl -tag -width XBPS_TARGET_ARCH
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.It Sy XBPS_PASSPHRASE
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If this is set, it will use this passphrase for the RSA private key when signing
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a repository. Otherwise it will ask you to enter the passphrase on the terminal.
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.It Sy XBPS_TARGET_ARCH
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Overrides
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.Xr uname 2
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