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-rwxr-xr-xcli/icevault66
-rw-r--r--cli/icevault.18
2 files changed, 72 insertions, 2 deletions
diff --git a/cli/icevault b/cli/icevault
index 67e06ec..20a8f63 100755
--- a/cli/icevault
+++ b/cli/icevault
@@ -285,6 +285,30 @@ sub myglob(;$$$) {
return File::Glob::bsd_glob($glob);
}
+# Find identities matching a given prefix
+sub matches($) {
+ my $prefix = shift;
+
+ my ($s, $h, $i);
+ if (!defined $prefix) {
+ } elsif ($prefix =~ /\A([A-Za-z0-9-]+):\/\/([^\P{Graph}:\/]+(?::\d+)?)\/([^\P{Print}\/]*)\z/) {
+ ($s, $h, $i) = ($1, $2, ($3 eq '' ? undef : $3));
+ } elsif ($prefix =~ /\A([A-Za-z0-9-]+):\/\/([^\P{Graph}\/]*)\z/) {
+ ($s, $h, $i) = ($1, ($2 eq '' ? undef : $2), undef);
+ } elsif ($prefix =~ /\A([A-Za-z0-9-]*)(:\/?)?\z/) {
+ ($s, $h, $i) = ($1, undef, undef);
+ } else {
+ error "Invalid identity prefix C<%s>", $prefix;
+ }
+
+ s/([\\\[\]\{\}\*\?\~])/\\$1/g foreach grep defined, ($s, $h, $i); # escape meta chars
+
+ my @matches = myglob($s,$h,$i);
+ error "No matches for identity prefix C<%s>", $prefix unless @matches;
+ error "No such identity C<%s>", $prefix if defined $i and ! -f $matches[0];
+ return @matches;
+}
+
# Get all identities with the given $prefix. If there are multiple
# matches and $all is false, limit the output to one depth more than the
# longuest common prefix.
@@ -395,8 +419,9 @@ sub getIdentityFile($) {
}
# Decrypt the given identity file. In scalar context, return the
-# YAML-parsed form; in void context, must be given a file handle (closed
-# afterwards) where to dump the (unparsed) decrypted content.
+# YAML-parsed form; in list context, return the list of the forked PID
+# and its standard output; in void context, must be given a file handle
+# (closed afterwards) where to dump the (unparsed) decrypted content.
open my $NULL, '<', '/dev/null';
sub loadIdentityFile($;$) {
my ($filename, $fh) = @_;
@@ -407,6 +432,7 @@ sub loadIdentityFile($;$) {
, "<&".fileno($NULL)
, @GPG, qw/-o - --decrypt --/, $filename)
or error "Can't fork: %s", $!;
+ return ($pid, $fh) if wantarray;
my $str = do { local $/ = undef; <$fh> } if defined wantarray;
waitpid $pid, 0;
error "C<%s> exited with value %d", $GPG[0], ($? >> 8) if $? and $? != -1;
@@ -462,6 +488,20 @@ sub saveIdentityFile($$) {
}
}
+# Copy the given filename to a new destination, and reencrypt it the
+# file. The filenames may be identical since 'saveIdentityFile' uses a
+# temporary destination.
+sub copyIdentityFile($$) {
+ my ($oldname, $newname) = @_;
+
+ my ($pid, $fh) = loadIdentityFile $oldname;
+ saveIdentityFile($fh, $newname);
+
+ waitpid $pid, 0;
+ error "C<%s> exited with value %d", $GPG[0], ($? >> 8) if $? and $? != -1;
+ close $fh;
+}
+
# Get the visible form list from the server, and croak if it's empty.
sub getForms() {
my $forms = sendCommand 'GETFORMS';
@@ -621,6 +661,7 @@ my @USAGE = (
git => "GIT-COMMAND [GIT-ARG ...]",
insert => "[-f, --force] [-s, --socket=PATH] [identity]",
ls => "[-0, --zero] [scheme://[hostname/[identity]]]",
+ reencrypt => "[scheme://[hostname/[identity]] ...]",
);
if ($ARGV[0] eq '--help' or $ARGV[0] eq '-?') {
@@ -1084,6 +1125,27 @@ elsif ($COMMAND eq 'git') {
exec {$GIT[0]} @GIT, @ARGV;
}
+elsif ($COMMAND eq 'reencrypt') {
+ getopts();
+
+ my @matches = @ARGV ? map {matches($_)} @ARGV : myglob(undef, undef, undef);
+ error "No such identity C<%s>", $_ foreach grep { ! -f $_ } @matches;
+
+ my @filenames;
+ foreach my $filename (@matches) {
+ $filename = $LOCALE->decode($filename);
+ myprintf "Reencrypting C<%s>", $filename;
+
+ $filename =~ /\A(\/\p{Print}+)\z/ or error "Insecure C<%s>", $filename;
+ $filename = $1; # untaint $filename
+
+ copyIdentityFile $filename, $filename;
+ push @filenames, $filename;
+ }
+
+ commit 'Reencryption.', @filenames;
+}
+
else {
print STDERR "Usage: $NAME [COMMAND] [OPTION ...] [ARG ...]\n";
error "Unknown command C<%s>. Try C<%s> for more information.", $COMMAND, "$NAME --help";
diff --git a/cli/icevault.1 b/cli/icevault.1
index 906cc8d..b0308a5 100644
--- a/cli/icevault.1
+++ b/cli/icevault.1
@@ -127,6 +127,14 @@ if it already exists (the default is to abort).
List content of the given identity prefix. If the flag \fB-0\fR is set,
use NUL as line separator.
+.TP
+.B reencrypt\fR [\fIscheme\fR://[\fIhostname\fR/[\fIidentity\fR]] ...]
+Reencrypt each given identity prefix(es) with the \fIkeyid\fR(s) found in
+the configuration file as recpient(s). If no argument is given,
+reencrypt the entire store. If \fIidentity\fR (resp.
+\fIidentity\fR/\fIhostname\fR) is omitted, reencrypt all identities
+found under \fIscheme\fR://\fIhostname\fR/ (resp. \fIscheme\fR://).
+
.SH GLOBAL OPTIONS
.TP