diff options
Diffstat (limited to 'g10/passphrase.c')
-rw-r--r-- | g10/passphrase.c | 143 |
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); } |