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 2013-10-12 09:55:03 +02:00
parent c91050fc35
commit 43b9be6046
6 changed files with 19 additions and 156 deletions

3
NEWS
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@ -1,5 +1,8 @@
xbps-0.27 (???):
* xbps-rindex(8): also understands the XBPS_PASSPHRASE environmental variable to
supply the passphrase when signing repositories.
* xbps-rindex(8): added -v --verbose option.
* xbps-rindex(8): -c --clean mode has been removed. Generating a local repository

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@ -2,8 +2,6 @@ TOPDIR = ../..
-include $(TOPDIR)/config.mk
BIN = xbps-rindex
OBJS = main.o index-add.o remove-obsoletes.o repoflush.o
OBJS += readpassphrase.o sign.o
EXTRA_CFLAGS = -Wno-unused-result
OBJS = main.o index-add.o remove-obsoletes.o repoflush.o sign.o
include $(TOPDIR)/mk/prog.mk

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@ -74,9 +74,6 @@ int remove_obsoletes(struct xbps_handle *, const char *);
int sign_repo(struct xbps_handle *, const char *, const char *,
const char *);
/* From readpass.c */
char *readpassphrase(const char *, char *, size_t, int);
/* From repoflush.c */
bool repodata_flush(struct xbps_handle *, const char *,
xbps_dictionary_t, xbps_dictionary_t, xbps_dictionary_t);

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@ -1,123 +0,0 @@
/* $NetBSD: readpassphrase.c,v 1.1 2009/06/07 22:38:47 christos Exp $ */
/*
* Copyright (c) 2000 Todd C. Miller <Todd.Miller@courtesan.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <pwd.h>
#include <signal.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "defs.h"
#define RPP_ECHO_OFF 0x00 /* Turn off echo (default). */
#define RPP_ECHO_ON 0x01 /* Leave echo on. */
#define RPP_REQUIRE_TTY 0x02 /* Fail if there is no tty. */
#define RPP_FORCELOWER 0x04 /* Force input to lower case. */
#define RPP_FORCEUPPER 0x08 /* Force input to upper case. */
#define RPP_SEVENBIT 0x10 /* Strip the high bit from input. */
char *
readpassphrase(const char *prompt, char *buf, size_t bufsiz, int flags)
{
struct termios term, oterm;
char ch, *p, *end;
int input, output;
sigset_t oset, nset;
/* I suppose we could alloc on demand in this case (XXX). */
if (bufsiz == 0) {
errno = EINVAL;
return(NULL);
}
/*
* Read and write to /dev/tty if available. If not, read from
* stdin and write to stderr unless a tty is required.
*/
if ((input = output = open(_PATH_TTY, O_RDWR)) == -1) {
if (flags & RPP_REQUIRE_TTY) {
errno = ENOTTY;
return(NULL);
}
input = STDIN_FILENO;
output = STDERR_FILENO;
}
/*
* We block SIGINT and SIGTSTP so the terminal is not left
* in an inconsistent state (ie: no echo). It would probably
* be better to simply catch these though.
*/
sigemptyset(&nset);
sigaddset(&nset, SIGINT);
sigaddset(&nset, SIGTSTP);
(void)sigprocmask(SIG_BLOCK, &nset, &oset);
/* Turn off echo if possible. */
if (tcgetattr(input, &oterm) == 0) {
memcpy(&term, &oterm, sizeof(term));
if (!(flags & RPP_ECHO_ON) && (term.c_lflag & ECHO))
term.c_lflag &= ~ECHO;
(void)tcsetattr(input, TCSAFLUSH, &term);
} else {
memset(&term, 0, sizeof(term));
memset(&oterm, 0, sizeof(oterm));
}
(void)write(output, prompt, strlen(prompt));
end = buf + bufsiz - 1;
for (p = buf; read(input, &ch, 1) == 1 && ch != '\n' && ch != '\r';) {
if (p < end) {
if ((flags & RPP_SEVENBIT))
ch &= 0x7f;
if (isalpha((unsigned char)ch)) {
if ((flags & RPP_FORCELOWER))
ch = tolower((unsigned char)ch);
if ((flags & RPP_FORCEUPPER))
ch = toupper((unsigned char)ch);
}
*p++ = ch;
}
}
*p = '\0';
if (!(term.c_lflag & ECHO))
(void)write(output, "\n", 1);
/* Restore old terminal settings and signal mask. */
if (memcmp(&term, &oterm, sizeof(term)) != 0)
(void)tcsetattr(input, TCSAFLUSH, &oterm);
(void)sigprocmask(SIG_SETMASK, &oset, NULL);
if (input != STDIN_FILENO)
(void)close(input);
return(buf);
}

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@ -38,34 +38,13 @@
#include "defs.h"
static int
password_cb(char *buf, int size)
{
int len = 0;
char pass[BUFSIZ];
if (readpassphrase("Enter passphrase: ", pass, BUFSIZ, 0) == NULL)
return 0;
len = strlen(pass);
if (len <= 0)
return 0;
if (len > size)
len = size;
memset(buf, '\0', size);
memcpy(buf, pass, len);
memset(&pass, 0, BUFSIZ);
return len;
}
static RSA *
load_rsa_privkey(const char *path)
{
FILE *fp;
RSA *rsa = NULL;
const char *p;
char *passphrase = NULL;
if ((fp = fopen(path, "r")) == 0)
return NULL;
@ -75,9 +54,15 @@ load_rsa_privkey(const char *path)
return NULL;
}
rsa = PEM_read_RSAPrivateKey(fp, 0,
(pem_password_cb *)password_cb,
__UNCONST(path));
p = getenv("XBPS_PASSPHRASE");
if (p) {
passphrase = strdup(p);
}
rsa = PEM_read_RSAPrivateKey(fp, 0, NULL, passphrase);
if (passphrase) {
free(passphrase);
passphrase = NULL;
}
fclose(fp);
return rsa;
}

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@ -1,4 +1,4 @@
.Dd October 5, 2013
.Dd October 12, 2013
.Os Void Linux
.Dt xbps-rindex 8
.Sh NAME
@ -49,6 +49,9 @@ argument not set, it defaults to
.Sy ~/.ssh/id_rsa .
.Sh ENVIRONMENT
.Bl -tag -width XBPS_TARGET_ARCH
.It Sy XBPS_PASSPHRASE
If this is set, it will use this passphrase for the RSA private key when signing
a repository. Otherwise it will ask you to enter the passphrase on the terminal.
.It Sy XBPS_TARGET_ARCH
Overrides
.Xr uname 2