static int text_encode( void * opaque, FILE * in, FILE * out ) { const char * s; char buf[1024]; if( !in || !out ) return CDK_Inv_Value; while( !feof( in ) ) { s = fgets( buf, sizeof buf-1, in ); if( !s ) break; _cdk_trim_string( buf, 1 ); fwrite( buf, 1, strlen( buf ), out ); } return 0; }
static int text_encode (void *data, FILE * in, FILE * out) { const char *s; char buf[2048]; if (!in || !out) return CDK_Inv_Value; /* FIXME: This code does not work for very long lines. */ while (!feof (in)) { s = fgets (buf, DIM (buf) - 1, in); if (!s) break; _cdk_trim_string (buf, 1); fwrite (buf, 1, strlen (buf), out); } return 0; }
static int text_decode( void * opaque, FILE * in, FILE * out ) { text_filter_t * tfx = opaque; const char * s; char buf[1024]; if( !tfx || !in || !out ) return CDK_Inv_Value; while( !feof( in ) ) { s = fgets( buf, sizeof buf-1, in ); if( !s ) break; _cdk_trim_string( buf, 0 ); fwrite( buf, 1, strlen( buf ), out ); fwrite( tfx->lf, 1, strlen( tfx->lf ), out ); } return 0; }
static int text_decode (void *data, FILE * in, FILE * out) { text_filter_t *tfx = data; const char *s; char buf[2048]; if (!tfx || !in || !out) return CDK_Inv_Value; while (!feof (in)) { s = fgets (buf, DIM (buf) - 1, in); if (!s) break; _cdk_trim_string (buf); fwrite (buf, 1, strlen (buf), out); fwrite (tfx->lf, 1, strlen (tfx->lf), out); } return 0; }
static int text_encode (void *data, FILE * in, FILE * out) { const char *s; char buf[2048]; if (!in || !out) return CDK_Inv_Value; /* FIXME: This code does not work for very long lines. */ while (!feof (in)) { /* give space for trim_string \r\n */ s = fgets (buf, DIM (buf) - 3, in); if (!s) break; _cdk_trim_string (buf); _gnutls_str_cat (buf, sizeof(buf), "\r\n"); fwrite (buf, 1, strlen (buf), out); } return 0; }
static cdk_error_t file_verify_clearsign (cdk_ctx_t hd, const char *file, const char *output) { cdk_stream_t inp = NULL, out = NULL, tmp = NULL; digest_hd_st md; char buf[512], chk[512]; const char *s; int i, is_signed = 0, nbytes; int digest_algo = 0; int err; cdk_error_t rc; memset(&md, 0, sizeof(md)); if (output) { rc = cdk_stream_create (output, &out); if (rc) return rc; } rc = cdk_stream_open (file, &inp); if (rc) { if (output) cdk_stream_close (out); return rc; } s = "-----BEGIN PGP SIGNED MESSAGE-----"; while (!cdk_stream_eof (inp)) { nbytes = _cdk_stream_gets (inp, buf, DIM (buf) - 1); if (!nbytes || nbytes == -1) break; if (!strncmp (buf, s, strlen (s))) { is_signed = 1; break; } } if (cdk_stream_eof (inp) && !is_signed) { rc = CDK_Armor_Error; goto leave; } while (!cdk_stream_eof (inp)) { nbytes = _cdk_stream_gets (inp, buf, DIM (buf) - 1); if (!nbytes || nbytes == -1) break; if (nbytes == 1) /* Empty line */ break; else if (!strncmp (buf, "Hash: ", 6)) { for (i = 0; digest_table[i].name; i++) { if (!strcmp (buf + 6, digest_table[i].name)) { digest_algo = digest_table[i].algo; break; } } } } if (digest_algo && _gnutls_hash_get_algo_len (digest_algo) <= 0) { rc = CDK_Inv_Algo; goto leave; } if (!digest_algo) digest_algo = GNUTLS_DIG_MD5; err = _gnutls_hash_init (&md, digest_algo); if (err < 0) { rc = map_gnutls_error (err); goto leave; } s = "-----BEGIN PGP SIGNATURE-----"; while (!cdk_stream_eof (inp)) { nbytes = _cdk_stream_gets (inp, buf, DIM (buf) - 1); if (!nbytes || nbytes == -1) break; if (!strncmp (buf, s, strlen (s))) break; else { cdk_stream_peek (inp, (byte *) chk, DIM (chk) - 1); i = strncmp (chk, s, strlen (s)); if (strlen (buf) == 0 && i == 0) continue; /* skip last '\n' */ _cdk_trim_string (buf, i == 0 ? 0 : 1); _gnutls_hash (&md, buf, strlen (buf)); } if (!strncmp (buf, "- ", 2)) /* FIXME: handle it recursive. */ memmove (buf, buf + 2, nbytes - 2); if (out) { if (strstr (buf, "\r\n")) buf[strlen (buf) - 2] = '\0'; cdk_stream_write (out, buf, strlen (buf)); _cdk_stream_puts (out, _cdk_armor_get_lineend ()); } } /* We create a temporary stream object to store the signature data in there. */ rc = cdk_stream_tmp_new (&tmp); if (rc) goto leave; s = "-----BEGIN PGP SIGNATURE-----\n"; _cdk_stream_puts (tmp, s); while (!cdk_stream_eof (inp)) { nbytes = _cdk_stream_gets (inp, buf, DIM (buf) - 1); if (!nbytes || nbytes == -1) break; if (nbytes < (int) (DIM (buf) - 3)) { buf[nbytes - 1] = '\n'; buf[nbytes] = '\0'; } cdk_stream_write (tmp, buf, nbytes); } /* FIXME: This code is not very elegant. */ cdk_stream_tmp_set_mode (tmp, STREAMCTL_READ); cdk_stream_seek (tmp, 0); cdk_stream_set_armor_flag (tmp, 0); cdk_stream_read (tmp, NULL, 0); /* the digest handle will be closed there. */ rc = _cdk_proc_packets (hd, tmp, NULL, NULL, NULL, &md); leave: _gnutls_hash_deinit (&md, NULL); cdk_stream_close (out); cdk_stream_close (tmp); cdk_stream_close (inp); return rc; }