termux-packages/packages/secure-delete/000-from-debian.patch

diff -uNr secure-delete-3.1/Makefile secure-delete-3.1.mod/Makefile
--- secure-delete-3.1/Makefile	2003-10-29 23:07:06.000000000 +0200
+++ secure-delete-3.1.mod/Makefile	2019-01-31 02:39:41.391298344 +0200
@@ -1,19 +1,19 @@
 CC=gcc
-OPT=-O2 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
+OPT=$(CFLAGS) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
 #OPT=-Wall -D_DEBUG_ -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-INSTALL_DIR=/usr/local/bin
+INSTALL_DIR=$(prefix)/bin
 MAN_DIR=/usr/local/man
 DOC_DIR=/usr/share/doc/secure_delete
 OPT_MOD=-D__KERNEL__ -DMODULE -fomit-frame-pointer -fno-strict-aliasing -pipe -mpreferred-stack-boundary=2
 #LD_MOD=-r
 
-all: sdel-lib.o srm sfill sswap smem sdel-mod.o
-	@echo
-	@echo "A Puritan is someone who is deathly afraid that someone, somewhere, is"
-	@echo "having fun."
-	@echo
-	@echo "I hope YOU have fun!"
-	@echo
+all: sdel-lib.o srm sfill sswap smem
+#	@echo
+#	@echo "A Puritan is someone who is deathly afraid that someone, somewhere, is"
+#	@echo "having fun."
+#	@echo
+#	@echo "I hope YOU have fun!"
+#	@echo
 
 sdel-mod.o: sdel-mod.c
 	$(CC) $(OPT) $(OPT_MOD) $(LD_MOD) -I/lib/modules/`uname -r`/build/include -c sdel-mod.c
@@ -23,32 +23,28 @@
 
 srm: srm.c
 	$(CC) ${OPT} -o srm srm.c sdel-lib.o
-	-strip srm
 sfill: sfill.c
 	$(CC) ${OPT} -o sfill sfill.c sdel-lib.o
-	-strip sfill
 sswap: sswap.c
 	$(CC) ${OPT} -o sswap sswap.c sdel-lib.o
-	-strip sswap
 smem: smem.c
 	$(CC) ${OPT} -o smem smem.c sdel-lib.o
-	-strip smem
 
 clean:
 	rm -f sfill srm sswap smem sdel sdel-lib.o sdel-mod.o core *~
 
 install: all
 	mkdir -p -m 755 ${INSTALL_DIR} 2> /dev/null
-	rm -f sdel && ln -s srm sdel
-	cp -f sdel srm sfill sswap smem the_cleaner.sh ${INSTALL_DIR}
-	chmod 711 ${INSTALL_DIR}/srm ${INSTALL_DIR}/sfill ${INSTALL_DIR}/sswap ${INSTALL_DIR}/smem ${INSTALL_DIR}/the_cleaner.sh
-	mkdir -p -m 755 ${MAN_DIR}/man1 2> /dev/null
-	cp -f srm.1 sfill.1 sswap.1 smem.1 ${MAN_DIR}/man1
-	chmod 644 ${MAN_DIR}/man1/srm.1 ${MAN_DIR}/man1/sfill.1 ${MAN_DIR}/man1/sswap.1 ${MAN_DIR}/man1/smem.1
-	mkdir -p -m 755 ${DOC_DIR} 2> /dev/null
-	cp -f CHANGES FILES README secure_delete.doc usenix6-gutmann.doc ${DOC_DIR}
-	-test -e sdel-mod.o && cp -f sdel-mod.o /lib/modules/`uname -r`/kernel/drivers/char
+#	rm -f sdel && ln -s srm sdel
+	cp -f srm sfill sswap smem ${INSTALL_DIR}
+	chmod 711 ${INSTALL_DIR}/srm ${INSTALL_DIR}/sfill ${INSTALL_DIR}/sswap ${INSTALL_DIR}/smem 
+#	mkdir -p -m 755 ${MAN_DIR}/man1 2> /dev/null
+#	cp -f srm.1 sfill.1 sswap.1 smem.1 ${MAN_DIR}/man1
+#	chmod 644 ${MAN_DIR}/man1/srm.1 ${MAN_DIR}/man1/sfill.1 ${MAN_DIR}/man1/sswap.1 ${MAN_DIR}/man1/smem.1
+#	mkdir -p -m 755 ${DOC_DIR} 2> /dev/null
+#	cp -f CHANGES FILES README secure_delete.doc usenix6-gutmann.doc ${DOC_DIR}
+#	-test -e sdel-mod.o && cp -f sdel-mod.o /lib/modules/`uname -r`/kernel/drivers/char
 #	@-test '!' -e sdel-mod.o -a `uname -s` = 'Linux' && echo "type \"make sdel-mod install\" to compile and install the Linux loadable kernel module for secure delete"
-	@echo
-	@echo "If men could get pregnant, abortion would be a sacrament."
-	@echo
+#	@echo
+#	@echo "If men could get pregnant, abortion would be a sacrament."
+#	@echo
diff -uNr secure-delete-3.1/sfill.1 secure-delete-3.1.mod/sfill.1
--- secure-delete-3.1/sfill.1	2003-05-05 16:36:09.000000000 +0300
+++ secure-delete-3.1.mod/sfill.1	2019-01-31 02:39:41.391298344 +0200
@@ -16,7 +16,7 @@
 is designed to delete data which lies on available diskspace on mediums
 in a secure manner which can not be recovered by thiefs, law enforcement
 or other threats.
-The wipe algorythm is based on the paper "Secure Deletion of Data from
+The wipe algorithm is based on the paper "Secure Deletion of Data from
 Magnetic and Solid-State Memory" presented at the 6th Usenix Security
 Symposium by Peter Gutmann, one of the leading civilian cryptographers.
 .PP
@@ -59,7 +59,7 @@
 and a final mode with random values.
 .TP
 .B \-l
--l for a second time lessons the security even more: only one random pass
+\-l for a second time lessons the security even more: only one random pass
 is written.
 .TP
 .B \-v
@@ -130,5 +130,5 @@
 (1),
 .I sswap
 (1),
-.I smem
+.I sdmem
 (1)
diff -uNr secure-delete-3.1/smem.1 secure-delete-3.1.mod/smem.1
--- secure-delete-3.1/smem.1	2003-05-05 16:36:16.000000000 +0300
+++ secure-delete-3.1.mod/smem.1	2019-01-31 02:39:41.391298344 +0200
@@ -3,16 +3,16 @@
 .if n .sp
 .if t .sp 0.4
 ..
-.TH SMEM 1
+.TH SDMEM 1
 
 .SH NAME
-smem \- secure memory wiper (secure_deletion toolkit)
+sdmem \- secure memory wiper (secure_deletion toolkit)
 
 .SH SYNOPSIS
-.B smem [-f] [-l] [-l] [-v]
+.B sdmem [-f] [-l] [-l] [-v]
 
 .SH DESCRIPTION
-.I smem
+.I sdmem
 is designed to delete data which may lie still in your memory (RAM)
 in a secure manner which can not be recovered by thiefs, law enforcement
 or other threats.
@@ -24,7 +24,7 @@
 .PP
 The
 .I secure data deletion
-process of smem goes like this:
+process of sdmem goes like this:
 .PP
 .TP
 .B *
@@ -51,20 +51,26 @@
 and a final random one.
 .TP
 .B \-l
--l for a second time lessons the security even more: only one pass with
+\-l for a second time lessons the security even more: only one pass with
 0x00 is written.
 .TP
 .B \-v
 verbose mode
 .PP
 
+.SH NOTE
+.TP
+This utility was originally called
+.I smem
+but was renamed for debian to avoid name clashes with another package.
+
 .SH BEWARE
 .TP
 .B SLOW
-Wiping the memory is very slow. You might use smem with the -ll option. (tip)
+Wiping the memory is very slow. You might use sdmem with the \-ll option. (tip)
 .TP
 .B BETA!
-.I smem
+.I sdmem
 is still beta.
 
 .PP
@@ -84,7 +90,7 @@
 can be obtained from 
 .I http://www.thc.org
 .Sp
-.I smem
+.I sdmem
 and the
 .I secure_deletion package
 is (C) 1997-2003 by van Hauser / THC (vh@thc.org)
diff -uNr secure-delete-3.1/srm.1 secure-delete-3.1.mod/srm.1
--- secure-delete-3.1/srm.1	2003-05-05 16:36:23.000000000 +0300
+++ secure-delete-3.1.mod/srm.1	2019-01-31 02:39:41.391298344 +0200
@@ -55,7 +55,7 @@
 .TP
 .B \-d
 ignore the two special dot files . and .. on the commandline. (so you can
-execute it like "srm -d .* *")
+execute it like "srm \-d .* *")
 .TP
 .B \-f
 fast (and insecure mode): no /dev/urandom, no synchronize mode.
@@ -65,7 +65,7 @@
 and a final mode random values.
 .TP
 .B \-l
--l for a second time lessons the security even more: only one random pass
+\-l for a second time lessons the security even more: only one random pass
 is written.
 .TP
 .B \-r
@@ -95,7 +95,7 @@
 which comes with the
 .I secure_deletion package
 to ensure to wipe also the free diskspace. However, If already a small
-file aquired a block with your precious data, no tool known to me can help
+file acquired a block with your precious data, no tool known to me can help
 you here. For a secure deletion of the swap space
 .I sswap
 is available.
@@ -136,5 +136,5 @@
 (1),
 .I sswap
 (1),
-.I smem
+.I sdmem
 (1)
diff -uNr secure-delete-3.1/srm.c secure-delete-3.1.mod/srm.c
--- secure-delete-3.1/srm.c	2003-10-31 01:17:19.000000000 +0200
+++ secure-delete-3.1.mod/srm.c	2019-01-31 02:39:41.391298344 +0200
@@ -110,7 +110,7 @@
 	        if ( (filestat.st_dev != controlstat.st_dev) || (filestat.st_ino != controlstat.st_ino) ) {
 	            fprintf(stderr, "Race found! (directory %s became a link)\n", filename);
 	        } else {
-  	            if ((dir = opendir (".")) != NULL) {
+  	            if ((dir = opendir (".")) < 0) {
 	                (void) chmod(".", 0700); /* ignore permission errors */
 	                dir = opendir (".");
 	            }
@@ -166,8 +166,10 @@
             return 3;
         }
 
-        if (sdel_overwrite(mode, fd, 0, bufsize, filestat.st_size > 0 ? filestat.st_size : 1, zero) == 0)
+        if (sdel_overwrite(mode, fd, 0, bufsize, filestat.st_size > 0 ? filestat.st_size : 1, zero) == 0) {
+            close(fd);
             return sdel_unlink(filename, 0, 1, slow);
+		}
     } /* end IS_REG() */
     else {
         if (S_ISDIR(filestat.st_mode)) {
diff -uNr secure-delete-3.1/sswap.1 secure-delete-3.1.mod/sswap.1
--- secure-delete-3.1/sswap.1	2003-05-05 16:36:31.000000000 +0300
+++ secure-delete-3.1.mod/sswap.1	2019-01-31 02:39:41.391298344 +0200
@@ -49,7 +49,7 @@
 a final mode with random values.
 .TP
 .B \-l
--l for a second time lessons the security even more: only one pass with
+\-l for a second time lessons the security even more: only one pass with
 random values is written.
 .TP
 .B \-v
@@ -106,5 +106,5 @@
 (1),
 .I sfill
 (1),
-.I smem
+.I sdmem
 (1)