X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=tfc_random.c;h=360b6584e8c2e0ed273235b519aa89d9b6f2e1ad;hb=e48de7c114fc724a6c1e45fd8716dc6111d01372;hp=0e90f48be408eda3a2bab9d2cec53122955dc85a;hpb=8bdb7b7f595e5fb53dbb261795844ca29c222bfd;p=tfcrypt.git

diff --git a/tfc_random.c b/tfc_random.c
index 0e90f48..360b658 100644
--- a/tfc_random.c
+++ b/tfc_random.c
@@ -2,7 +2,7 @@
  * tfcrypt -- high security Threefish encryption tool.
  *
  * tfcrypt is copyrighted:
- * Copyright (C) 2012-2018 Andrey Rys. All rights reserved.
+ * Copyright (C) 2012-2019 Andrey Rys. All rights reserved.
  *
  * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
  *
@@ -44,7 +44,7 @@ static void get_urandom(const char *src, void *buf, size_t size)
 	if (fd == -1) fd = open("/dev/random", O_RDONLY);
 	if (fd == -1) xerror(NO, YES, YES, "random source is required (tried %s)", src);
 
-_again:	rd = read(fd, ubuf, sz);
+_again:	rd = xread(fd, ubuf, sz);
 	if (rd < sz && rd != NOSIZE) {
 		ubuf += rd;
 		sz -= rd;
@@ -93,9 +93,8 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
 	sigact.sa_flags = SA_RESTART;
 	sigact.sa_handler = print_crypt_status;
 	sigaction(SIGUSR1, &sigact, NULL);
-	sigaction(SIGTSTP, &sigact, NULL);
 	sigaction(SIGALRM, &sigact, NULL);
-	if (status_timer) setup_next_alarm(status_timer);
+	if (status_timer) setup_next_alarm(status_timer > 1000000 ? 1000000 : status_timer);
 	sigact.sa_handler = change_status_width;
 	sigaction(SIGQUIT, &sigact, NULL);
 	sigact.sa_handler = change_status_timer;
@@ -104,11 +103,14 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
 		sigact.sa_handler = print_crypt_status;
 		sigaction(SIGINT, &sigact, NULL);
 		sigaction(SIGTERM, &sigact, NULL);
+		sigaction(SIGTSTP, &sigact, NULL);
 	}
 	else {
 		sigact.sa_handler = exit_sigterm;
 		sigaction(SIGINT, &sigact, NULL);
 		sigaction(SIGTERM, &sigact, NULL);
+		sigact.sa_handler = handle_sigtstp;
+		sigaction(SIGTSTP, &sigact, NULL);
 	}
 	memset(&sigact, 0, sizeof(struct sigaction));
 
@@ -130,7 +132,7 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
 
 	if (offset) {
 		if (lseek(fd, offset, SEEK_SET) == -1)
-			xerror(YES, NO, NO, "%s: seek failed", foutname);
+			xerror(ignore_seek_errors, NO, NO, "%s: seek failed", foutname);
 	}
 
 	if (ctr_mode == TFC_MODE_PLAIN) memset(srcblk, 0, sizeof(srcblk));
@@ -148,7 +150,7 @@ void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes)
 		if (ctr_mode != TFC_MODE_PLAIN) tfc_getrandom(srcblk, lblock);
 
 		if (error_action == TFC_ERRACT_SYNC) wrpos = tfc_fdgetpos(fd);
-_wagain:	lio = write(fd, pblk, lrem);
+_wagain:	lio = xwrite(fd, pblk, lrem);
 		if (lio == NOSIZE) {
 			if (errno != EIO && catch_all_errors != YES)
 				xerror(NO, NO, YES, "%s", foutname);