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| author | Karel Zak | 2014-11-27 13:36:09 +0100 |
|---|---|---|
| committer | Karel Zak | 2014-11-27 13:36:09 +0100 |
| commit | cca51b9e45460e05bf5da81be80a26a70a120704 (patch) | |
| tree | fbd3630cb9ba4097ee4f50b79df8ba588153ea1c /include/carefulputc.h | |
| parent | libfdisk: add API docs (diff) | |
| download | kernel-qcow2-util-linux-cca51b9e45460e05bf5da81be80a26a70a120704.tar.gz kernel-qcow2-util-linux-cca51b9e45460e05bf5da81be80a26a70a120704.tar.xz kernel-qcow2-util-linux-cca51b9e45460e05bf5da81be80a26a70a120704.zip | |
include/carefulputc: encode also ' and $ in fputs_quoted() output
This change is important for commands linked with libsmartcols (e.g. lsblk(1))
to make it more safe for crazy scenarios like
eval $(lsblk --fs --pairs /dev/sdb1)
where the command returns NAME="value" from filesystem LABELS (etc.)
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include/carefulputc.h')
| -rw-r--r-- | include/carefulputc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/carefulputc.h b/include/carefulputc.h index c116d0a98..3a0ec5b66 100644 --- a/include/carefulputc.h +++ b/include/carefulputc.h @@ -34,6 +34,8 @@ static inline void fputs_quoted(const char *data, FILE *out) for (p = data; p && *p; p++) { if ((unsigned char) *p == 0x22 || /* " */ (unsigned char) *p == 0x5c || /* \ */ + (unsigned char) *p == 0x60 || /* ` */ + (unsigned char) *p == 0x24 || /* $ */ !isprint((unsigned char) *p) || iscntrl((unsigned char) *p)) { |