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-rw-r--r--g10/passphrase.c143
1 files changed, 72 insertions, 71 deletions
diff --git a/g10/passphrase.c b/g10/passphrase.c
index 769276221..41cd31f91 100644
--- a/g10/passphrase.c
+++ b/g10/passphrase.c
@@ -40,6 +40,7 @@
#include <langinfo.h>
#endif
+#include "gpg.h"
#include "util.h"
#include "memory.h"
#include "options.h"
@@ -122,10 +123,10 @@ have_static_passphrase()
void
set_next_passphrase( const char *s )
{
- m_free(next_pw);
+ xfree (next_pw);
next_pw = NULL;
if( s ) {
- next_pw = m_alloc_secure( strlen(s)+1 );
+ next_pw = gcry_xmalloc_secure ( strlen(s)+1 );
strcpy(next_pw, s );
}
}
@@ -170,7 +171,7 @@ read_passphrase_from_fd( int fd )
{
char *pw2 = pw;
len += 100;
- pw = m_alloc_secure( len );
+ pw = gcry_xmalloc_secure ( len );
if( pw2 )
memcpy(pw, pw2, i );
else
@@ -183,7 +184,7 @@ read_passphrase_from_fd( int fd )
if (!opt.batch)
tty_printf("\b\b\b \n" );
- m_free( fd_passwd );
+ xfree ( fd_passwd );
fd_passwd = pw;
}
@@ -337,11 +338,11 @@ agent_send_option (int fd, const char *name, const char *value)
char *line;
int i;
- line = m_alloc (7 + strlen (name) + 1 + strlen (value) + 2);
+ line = xmalloc (7 + strlen (name) + 1 + strlen (value) + 2);
strcpy (stpcpy (stpcpy (stpcpy (
stpcpy (line, "OPTION "), name), "="), value), "\n");
i = writen (fd, line, strlen (line));
- m_free (line);
+ xfree (line);
if (i)
return -1;
@@ -394,7 +395,7 @@ agent_send_all_options (int fd)
#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
old_lc = setlocale (LC_CTYPE, NULL);
if (old_lc)
- old_lc = m_strdup (old_lc);
+ old_lc = xstrdup (old_lc);
dft_lc = setlocale (LC_CTYPE, "");
#endif
if (opt.lc_ctype || (dft_ttyname && dft_lc))
@@ -406,7 +407,7 @@ agent_send_all_options (int fd)
if (old_lc)
{
setlocale (LC_CTYPE, old_lc);
- m_free (old_lc);
+ xfree (old_lc);
}
#endif
if (rc)
@@ -415,7 +416,7 @@ agent_send_all_options (int fd)
#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
old_lc = setlocale (LC_MESSAGES, NULL);
if (old_lc)
- old_lc = m_strdup (old_lc);
+ old_lc = xstrdup (old_lc);
dft_lc = setlocale (LC_MESSAGES, "");
#endif
if (opt.lc_messages || (dft_ttyname && dft_lc))
@@ -427,7 +428,7 @@ agent_send_all_options (int fd)
if (old_lc)
{
setlocale (LC_MESSAGES, old_lc);
- m_free (old_lc);
+ xfree (old_lc);
}
#endif
return rc;
@@ -495,7 +496,7 @@ agent_open (int *ret_prot)
int prot;
if (opt.gpg_agent_info)
- infostr = m_strdup (opt.gpg_agent_info);
+ infostr = xstrdup (opt.gpg_agent_info);
else
{
infostr = getenv ( "GPG_AGENT_INFO" );
@@ -504,13 +505,13 @@ agent_open (int *ret_prot)
opt.use_agent = 0;
return -1;
}
- infostr = m_strdup ( infostr );
+ infostr = xstrdup ( infostr );
}
if ( !(p = strchr ( infostr, ':')) || p == infostr
|| (p-infostr)+1 >= sizeof client_addr.sun_path ) {
log_error( _("malformed GPG_AGENT_INFO environment variable\n"));
- m_free (infostr );
+ xfree (infostr );
opt.use_agent = 0;
return -1;
}
@@ -523,7 +524,7 @@ agent_open (int *ret_prot)
prot = *p? atoi (p+1) : 0;
if ( prot < 0 || prot > 1) {
log_error (_("gpg-agent protocol version %d is not supported\n"),prot);
- m_free (infostr );
+ xfree (infostr );
opt.use_agent = 0;
return -1;
}
@@ -531,7 +532,7 @@ agent_open (int *ret_prot)
if( (fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1 ) {
log_error ("can't create socket: %s\n", strerror(errno) );
- m_free (infostr );
+ xfree (infostr );
opt.use_agent = 0;
return -1;
}
@@ -545,12 +546,12 @@ agent_open (int *ret_prot)
if( connect( fd, (struct sockaddr*)&client_addr, len ) == -1 ) {
log_error ( _("can't connect to `%s': %s\n"),
infostr, strerror (errno) );
- m_free (infostr );
+ xfree (infostr );
close (fd );
opt.use_agent = 0;
return -1;
}
- m_free (infostr);
+ xfree (infostr);
if (!prot) {
if ( writen ( fd, "GPGA\0\0\0\x01", 8 ) ) {
@@ -623,7 +624,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
int nread;
u32 reply;
char *pw = NULL;
- PKT_public_key *pk = m_alloc_clear( sizeof *pk );
+ PKT_public_key *pk = xcalloc (1, sizeof *pk );
byte fpr[MAX_FINGERPRINT_LEN];
int have_fpr = 0;
int prot;
@@ -652,7 +653,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
#endif
if (orig_codeset)
{ /* We only switch when we are able to restore the codeset later. */
- orig_codeset = m_strdup (orig_codeset);
+ orig_codeset = xstrdup (orig_codeset);
if (!bind_textdomain_codeset (PACKAGE, "utf-8"))
orig_codeset = NULL;
}
@@ -665,7 +666,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
{
char *uid;
size_t uidlen;
- const char *algo_name = pubkey_algo_to_string ( pk->pubkey_algo );
+ const char *algo_name = gcry_pk_algo_name ( pk->pubkey_algo );
const char *timestr;
char *maink;
const char *fmtstr;
@@ -674,7 +675,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
algo_name = "?";
fmtstr = _(" (main key ID %08lX)");
- maink = m_alloc ( strlen (fmtstr) + 20 );
+ maink = xmalloc ( strlen (fmtstr) + 20 );
if( keyid[2] && keyid[3] && keyid[0] != keyid[2]
&& keyid[1] != keyid[3] )
sprintf( maink, fmtstr, (ulong)keyid[3] );
@@ -687,15 +688,15 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
" secret key for user:\n"
"\"%.*s\"\n"
"%u-bit %s key, ID %08lX, created %s%s\n" );
- atext = m_alloc ( 100 + strlen (fmtstr)
+ atext = xmalloc ( 100 + strlen (fmtstr)
+ uidlen + 15 + strlen(algo_name) + 8
+ strlen (timestr) + strlen (maink) );
sprintf (atext, fmtstr,
uidlen, uid,
nbits_from_pk (pk), algo_name, (ulong)keyid[1], timestr,
maink );
- m_free (uid);
- m_free (maink);
+ xfree (uid);
+ xfree (maink);
{
size_t dummy;
@@ -705,9 +706,9 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
}
else if (mode == 2 )
- atext = m_strdup ( _("Repeat passphrase\n") );
+ atext = xstrdup ( _("Repeat passphrase\n") );
else
- atext = m_strdup ( _("Enter passphrase\n") );
+ atext = xstrdup ( _("Enter passphrase\n") );
if (!prot)
{ /* old style protocol */
@@ -717,7 +718,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
memcpy (buf+8, fpr, 20 );
if ( writen ( fd, buf, 28 ) || writen ( fd, atext, strlen (atext) ) )
goto failure;
- m_free (atext); atext = NULL;
+ xfree (atext); atext = NULL;
/* get response */
if ( readn ( fd, buf, 12, &nread ) )
@@ -753,7 +754,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
* on how long the passhrase actually is - this wastes some bytes
* but because we already have this padding we should not loosen
* this by issuing 2 read calls */
- pw = m_alloc_secure ( n+1 );
+ pw = xmalloc_secure ( n+1 );
if ( readn ( fd, pw, n, &nn ) )
goto failure;
if ( n != nn )
@@ -768,7 +769,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
if (orig_codeset)
bind_textdomain_codeset (PACKAGE, orig_codeset);
#endif
- m_free (orig_codeset);
+ xfree (orig_codeset);
return pw;
}
else if ( reply == GPGA_PROT_CANCELED )
@@ -794,7 +795,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
/* We allocate 2 time the needed space for atext so that there
is nenough space for escaping */
- line = m_alloc (15 + 46
+ line = xmalloc (15 + 46
+ 3*strlen (tryagain_text) + 3*strlen (atext) + 2);
strcpy (line, "GET_PASSPHRASE ");
p = line+15;
@@ -836,13 +837,13 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
}
*p++ = '\n';
i = writen (fd, line, p - line);
- m_free (line);
+ xfree (line);
if (i)
goto failure;
- m_free (atext); atext = NULL;
+ xfree (atext); atext = NULL;
/* get response */
- pw = m_alloc_secure (500);
+ pw = xmalloc_secure (500);
nread = readline (fd, pw, 499);
if (nread < 3)
goto failure;
@@ -860,7 +861,7 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
if (orig_codeset)
bind_textdomain_codeset (PACKAGE, orig_codeset);
#endif
- m_free (orig_codeset);
+ xfree (orig_codeset);
return pw;
}
else if (nread > 7 && !memcmp (pw, "ERR 111", 7)
@@ -883,10 +884,10 @@ agent_get_passphrase ( u32 *keyid, int mode, const char *tryagain_text,
if (orig_codeset)
bind_textdomain_codeset (PACKAGE, orig_codeset);
#endif
- m_free (atext);
+ xfree (atext);
if ( fd != -1 )
agent_close (fd);
- m_free (pw );
+ xfree (pw );
free_public_key( pk );
return NULL;
@@ -918,7 +919,7 @@ passphrase_clear_cache ( u32 *keyid, int algo )
if (!opt.use_agent)
return;
- pk = m_alloc_clear ( sizeof *pk );
+ pk = xcalloc (1, sizeof *pk );
memset (fpr, 0, MAX_FINGERPRINT_LEN );
if( !keyid || get_pubkey( pk, keyid ) )
{
@@ -964,14 +965,14 @@ passphrase_clear_cache ( u32 *keyid, int algo )
char *line, *p;
int i;
- line = m_alloc (17 + 40 + 2);
+ line = xmalloc (17 + 40 + 2);
strcpy (line, "CLEAR_PASSPHRASE ");
p = line+17;
for (i=0; i < 20; i++, p +=2 )
sprintf (p, "%02X", fpr[i]);
*p++ = '\n';
i = writen (fd, line, p - line);
- m_free (line);
+ xfree (line);
if (i)
goto failure;
@@ -1054,7 +1055,7 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
us = get_long_user_id_string( keyid );
write_status_text( STATUS_USERID_HINT, us );
- m_free(us);
+ xfree (us);
sprintf( buf, "%08lX%08lX %08lX%08lX %d 0",
(ulong)keyid[0], (ulong)keyid[1],
@@ -1070,7 +1071,7 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
}
if( keyid && !opt.batch && !next_pw && mode!=1 ) {
- PKT_public_key *pk = m_alloc_clear( sizeof *pk );
+ PKT_public_key *pk = xcalloc (1, sizeof *pk );
size_t n;
char *p;
@@ -1078,11 +1079,11 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
"user: \"") );
p = get_user_id( keyid, &n );
tty_print_utf8_string( p, n );
- m_free(p);
+ xfree (p);
tty_printf("\"\n");
if( !get_pubkey( pk, keyid ) ) {
- const char *s = pubkey_algo_to_string( pk->pubkey_algo );
+ const char *s = gcry_pk_algo_name ( pk->pubkey_algo );
tty_printf( _("%u-bit %s key, ID %08lX, created %s"),
nbits_from_pk( pk ), s?s:"?", (ulong)keyid[1],
strtimestamp(pk->timestamp) );
@@ -1108,7 +1109,7 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
{
if (!opt.use_agent)
goto agent_died;
- pw = m_strdup ("");
+ pw = xstrdup ("");
}
if( *pw && mode == 2 ) {
char *pw2 = agent_get_passphrase ( keyid, 2, NULL, canceled );
@@ -1116,27 +1117,27 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
{
if (!opt.use_agent)
{
- m_free (pw);
+ xfree (pw);
pw = NULL;
goto agent_died;
}
- pw2 = m_strdup ("");
+ pw2 = xstrdup ("");
}
if( strcmp(pw, pw2) ) {
- m_free(pw2);
- m_free(pw);
+ xfree (pw2);
+ xfree (pw);
return NULL;
}
- m_free(pw2);
+ xfree (pw2);
}
}
else if( fd_passwd ) {
- pw = m_alloc_secure( strlen(fd_passwd)+1 );
+ pw = xmalloc_secure ( strlen(fd_passwd)+1 );
strcpy( pw, fd_passwd );
}
else if( opt.batch ) {
log_error(_("can't query password in batchmode\n"));
- pw = m_strdup( "" ); /* return an empty passphrase */
+ pw = xstrdup ( "" ); /* return an empty passphrase */
}
else {
pw = cpr_get_hidden("passphrase.enter", _("Enter passphrase: ") );
@@ -1146,24 +1147,24 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
_("Repeat passphrase: ") );
tty_kill_prompt();
if( strcmp(pw, pw2) ) {
- m_free(pw2);
- m_free(pw);
+ xfree (pw2);
+ xfree (pw);
return NULL;
}
- m_free(pw2);
+ xfree (pw2);
}
}
if( !pw || !*pw )
write_status( STATUS_MISSING_PASSPHRASE );
- dek = m_alloc_secure_clear ( sizeof *dek );
+ dek = xcalloc_secure (1, sizeof *dek );
dek->algo = cipher_algo;
if( !*pw && mode == 2 )
dek->keylen = 0;
else
hash_passphrase( dek, pw, s2k, mode==2 );
- m_free(last_pw);
+ xfree (last_pw);
last_pw = pw;
return dek;
}
@@ -1183,16 +1184,16 @@ hash_passphrase( DEK *dek, char *pw, STRING2KEY *s2k, int create )
int pwlen = strlen(pw);
assert( s2k->hash_algo );
- dek->keylen = cipher_get_keylen( dek->algo ) / 8;
+ dek->keylen = gcry_cipher_get_algo_keylen (dek->algo);
if( !(dek->keylen > 0 && dek->keylen <= DIM(dek->key)) )
BUG();
- md = md_open( s2k->hash_algo, 1);
+ gcry_md_open (&md, s2k->hash_algo, 1);
for(pass=0; used < dek->keylen ; pass++ ) {
if( pass ) {
- md_reset(md);
+ gcry_md_reset(md);
for(i=0; i < pass; i++ ) /* preset the hash context */
- md_putc(md, 0 );
+ gcry_md_putc (md, 0 );
}
if( s2k->mode == 1 || s2k->mode == 3 ) {
@@ -1200,7 +1201,7 @@ hash_passphrase( DEK *dek, char *pw, STRING2KEY *s2k, int create )
ulong count = len2;
if( create && !pass ) {
- randomize_buffer(s2k->salt, 8, 1);
+ gcry_randomize(s2k->salt, 8, GCRY_STRONG_RANDOM );
if( s2k->mode == 3 )
s2k->count = 96; /* 65536 iterations */
}
@@ -1212,27 +1213,27 @@ hash_passphrase( DEK *dek, char *pw, STRING2KEY *s2k, int create )
}
/* a little bit complicated because we need a ulong for count */
while( count > len2 ) { /* maybe iterated+salted */
- md_write( md, s2k->salt, 8 );
- md_write( md, pw, pwlen );
+ gcry_md_write( md, s2k->salt, 8 );
+ gcry_md_write( md, pw, pwlen );
count -= len2;
}
if( count < 8 )
- md_write( md, s2k->salt, count );
+ gcry_md_write( md, s2k->salt, count );
else {
- md_write( md, s2k->salt, 8 );
+ gcry_md_write( md, s2k->salt, 8 );
count -= 8;
- md_write( md, pw, count );
+ gcry_md_write( md, pw, count );
}
}
else
- md_write( md, pw, pwlen );
- md_final( md );
- i = md_digest_length( s2k->hash_algo );
+ gcry_md_write( md, pw, pwlen );
+ gcry_md_final ( md );
+ i = gcry_md_get_algo_dlen (s2k->hash_algo);
if( i > dek->keylen - used )
i = dek->keylen - used;
- memcpy( dek->key+used, md_read(md, s2k->hash_algo), i );
+ memcpy( dek->key+used, gcry_md_read (md, s2k->hash_algo), i );
used += i;
}
- md_close(md);
+ gcry_md_close (md);
}