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New xorriso-dd-target option -trust_lsblk_udev

This commit is contained in:
Thomas Schmitt 2020-02-12 16:06:49 +01:00
parent 49690fcac7
commit 1170a9b883
5 changed files with 78 additions and 26 deletions
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23
xorriso-dd-target/xorriso-dd-target
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@ -15,7 +15,7 @@
# announces.
xdt_print_version() {
echo "xorriso-dd-target , version 1.5.3 , 2020.01.08.204757"
echo "xorriso-dd-target , version 1.5.3 , 2020.02.12.145929"
}
@ -123,6 +123,10 @@ xdt_print_usage() {
echo " If no filesystems are detected and the program"
echo " has no superuser power, the device is not advised."
echo " If -DO_WRITE is given, run umount and dd by sudo."
echo " -trust_lsblk_udev Suppress the reason no_fs_while_not_su- if lsblk"
echo " is linked with libudev.so. In this case it is very"
echo " likely that lsblk can retrieve FSTYPE even if"
echo " run by a non-priviledged user."
echo " -image_file PATH Set the path of the image file which shall be"
echo " written to a device. Its size will be set as"
echo " -min_size."
@ -220,6 +224,7 @@ xdt_reset_job() {
xdt_dummy_force=
xdt_no_pacifier=
xdt_do_plug_test=
xdt_trust_lsblk_udev=
# Status
xdt_sudo_cmd=
@ -233,6 +238,7 @@ xdt_reset_job() {
}
## Predict superuser power. Possibly enable sudo with lsblk -o FSTYPE and dd.
## Also predict whether lsblk -o FSTYPE will bring results as non-root.
xdt_predict_su_power() {
if test "$(whoami)" = "root"
then
@ -251,6 +257,16 @@ xdt_predict_su_power() {
return 11
fi
fi
# lsblk linked with libudev.so usually can obtain filesystem info
# without superuser powers.
if test -n "$xdt_trust_lsblk_udev"
then
if ldd "$xdt_lsblk_cmd" | grep '\tlibudev\.so' >/dev/null
then
xdt_lsblk_fs_wo_su=y
fi
fi
return 0
}
@ -308,6 +324,9 @@ xdt_arg_interpreter() {
elif test "X$xdt_i" = "X-look_for_iso"
then
xdt_look_for_iso=y
elif test "X$xdt_i" = "X-trust_lsblk_udev"
then
xdt_trust_lsblk_udev=y
elif test "X$xdt_i" = "X-with_sudo"
then
xdt_with_sudo=y
@ -604,7 +623,7 @@ xdt_list_devices() {
# Decide whether the found filesystems look dispensible enough
xdt_reasons="${xdt_reasons}${xdt_good_fs}${xdt_bad_fs}"
if test "${xdt_bad_fs}${xdt_good_fs}" = "" \
&& test -z "$xdt_have_su_power"
&& test -z "$xdt_have_su_power" && test -z "$xdt_lsblk_fs_wo_su"
then
xdt_yucky=y
xdt_reasons="${xdt_reasons}no_fs_while_not_su- "

12
xorriso-dd-target/xorriso-dd-target.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1)
.TH XORRISO-DD-TARGET 1 "Version 1.5.3, Jan 7, 2020"
.TH XORRISO-DD-TARGET 1 "Version 1.5.3, Fep 12, 2020"
.\" Please adjust this date whenever revising the manpage.
.\"
.\" Some roff macros, for reference:
@ -498,6 +498,16 @@ program as superuser.
If \-DO_WRITE \-with_sudo is given, then the programs umount and dd will be run
by sudo, too.
.TP
\fB\-trust_lsblk_udev\fR
Suppress the reason no_fs_while_not_su\- if lsblk is linked with libudev.so.
In this case it is likely that lsblk can retrieve FSTYPE even if run
by a non\-priviledged user.
.br
This option is intended for use by frontend programs which are certain
that they do not encounter a udev\-using version of lsblk which nevertheless
fails to detect existing filesystems. Human users should better acquire
superuser powers if reason no_fs_while_not_su\- is reported.
.TP
\fB\-image_file\fR PATH
Set the path of the image file which shall be written to a device. Its size
will be set as \-min_size.

53
xorriso-dd-target/xorriso-dd-target.info
View File

@ -387,6 +387,15 @@ File: xorriso-dd-target.info, Node: Options, Next: Examples, Prev: Overview,
need to run the whole program as superuser.
If -DO_WRITE -with_sudo is given, then the programs umount and dd
will be run by sudo, too.
-trust_lsblk_udev
Suppress the reason no_fs_while_not_su- if lsblk is linked with
libudev.so. In this case it is likely that lsblk can retrieve
FSTYPE even if run by a non-priviledged user.
This option is intended for use by frontend programs which are
certain that they do not encounter a udev-using version of lsblk
which nevertheless fails to detect existing filesystems. Human
users should better acquire superuser powers if reason
no_fs_while_not_su- is reported.
-image_file PATH
Set the path of the image file which shall be written to a device.
Its size will be set as -min_size.
@ -491,19 +500,20 @@ File: xorriso-dd-target.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal
[index]
* Menu:
* -DO_WRITE write image file to device: Options. (line 48)
* -dummy report but do not perform: Options. (line 59)
* -dummy_force show raw copy commands: Options. (line 61)
* -help print help text to stdout: Options. (line 68)
* -image_file set path of disk image file: Options. (line 45)
* -DO_WRITE write image file to device: Options. (line 57)
* -dummy report but do not perform: Options. (line 68)
* -dummy_force show raw copy commands: Options. (line 70)
* -help print help text to stdout: Options. (line 77)
* -image_file set path of disk image file: Options. (line 54)
* -list_all print list of disk devices: Options. (line 15)
* -list_long print extra device info: Options. (line 18)
* -look_for_iso demand presence of ISO 9660: Options. (line 33)
* -max_size set size limit for device: Options. (line 24)
* -min_size set size limit for device: Options. (line 29)
* -no_pacifier do not show dd progress: Options. (line 55)
* -no_pacifier do not show dd progress: Options. (line 64)
* -plug_test detect target device plugging: Options. (line 7)
* -version print version text to stdout: Options. (line 65)
* -trust_lsblk_udev suppress no_fs_while_not_su-: Options. (line 45)
* -version print version text to stdout: Options. (line 74)
* -with_sudo run lsblk, umount, dd by sudo: Options. (line 38)
* -with_vendor_model add drive info to advice: Options. (line 22)
@ -517,21 +527,22 @@ File: xorriso-dd-target.info, Node: ConceptIdx, Next: Top, Prev: CommandIdx,
* Menu:
* Bugs, reporting: Bugreport. (line 6)
* dd progress, do not show, -no_pacifier: Options. (line 55)
* dd progress, do not show, -no_pacifier: Options. (line 64)
* Device info, print extra, -list_long: Options. (line 18)
* Device size, set limit, -max_size: Options. (line 24)
* Device size, set limit, -min_size: Options. (line 29)
* Disk devices, print list, -list_all: Options. (line 15)
* disk image file, set path, -image_file: Options. (line 45)
* disk image file, write to device, -DO_WRITE: Options. (line 48)
* disk image file, set path, -image_file: Options. (line 54)
* disk image file, write to device, -DO_WRITE: Options. (line 57)
* Drive info, add to advice, -with_vendor_model: Options. (line 22)
* help text, print to stdout, -help: Options. (line 68)
* help text, print to stdout, -help: Options. (line 77)
* ISO 9660, demand presence on target, -look_for_iso: Options. (line 33)
* lsblk, umount, dd, run by sudo, -with_sudo: Options. (line 38)
* only report, do not perform, -dummy: Options. (line 59)
* only report, do not perform, -dummy: Options. (line 68)
* Problems, reporting: Bugreport. (line 6)
* raw copy commands, show, -dummy_force: Options. (line 61)
* raw copy commands, show, -dummy_force: Options. (line 70)
* Reasons, list of: Reasons. (line 6)
* suppress no_fs_while_not_su-, -trust_lsblk_udev: Options. (line 45)
* Target device, detect by plugging, -plug_test: Options. (line 7)
* Use case, detect intended device by plugging: Plugtest. (line 6)
* Use case, evaluate particular given devices: Givendevices. (line 6)
@ -540,7 +551,7 @@ File: xorriso-dd-target.info, Node: ConceptIdx, Next: Top, Prev: CommandIdx,
* Use case, show commands for writing to a not advised device: Unwise.
(line 6)
* Use case, write image to an advised device: Dowrite. (line 6)
* version text, print to stdout, -version: Options. (line 65)
* version text, print to stdout, -version: Options. (line 74)
* xorriso-dd-target, options: Options. (line 6)
@ -556,12 +567,12 @@ Node: Dowrite7955
Node: Unwise9336
Node: Reasons10958
Node: Options13539
Node: Examples16636
Node: Files16809
Node: Seealso16967
Node: Bugreport17133
Node: Legal17720
Node: CommandIdx18431
Node: ConceptIdx19697
Node: Examples17147
Node: Files17320
Node: Seealso17478
Node: Bugreport17644
Node: Legal18231
Node: CommandIdx18942
Node: ConceptIdx20281

End Tag Table

14
xorriso-dd-target/xorriso-dd-target.texi
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@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISO-DD-TARGET 1 "Version 1.5.3, Jan 7, 2020"
@c man .TH XORRISO-DD-TARGET 1 "Version 1.5.3, Fep 12, 2020"
@c man .\" Please adjust this date whenever revising the manpage.
@c man .\"
@c man .\" Some roff macros, for reference:
@ -630,6 +630,18 @@ program as superuser.
If -DO_WRITE -with_sudo is given, then the programs umount and dd will be run
by sudo, too.
@c man .TP
@item -trust_lsblk_udev
@kindex -trust_lsblk_udev suppress no_fs_while_not_su-
@cindex suppress no_fs_while_not_su-, -trust_lsblk_udev
Suppress the reason no_fs_while_not_su- if lsblk is linked with libudev.so.
In this case it is likely that lsblk can retrieve FSTYPE even if run
by a non-priviledged user.
@*
This option is intended for use by frontend programs which are certain
that they do not encounter a udev-using version of lsblk which nevertheless
fails to detect existing filesystems. Human users should better acquire
superuser powers if reason no_fs_while_not_su- is reported.
@c man .TP
@item -image_file PATH
@kindex -image_file set path of disk image file
@cindex disk image file, set path, -image_file

2
xorriso/xorriso_timestamp.h
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@ -1 +1 @@
#define Xorriso_timestamP "2020.01.20.132834"
#define Xorriso_timestamP "2020.02.12.145929"