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authorThomas Chou <thomas@wytron.com.tw>2010-10-06 15:13:53 +0800
committerMichal Marek <mmarek@suse.cz>2010-12-02 14:28:50 +0100
commit43f901fbc8ba94bfa8d58155ba9378d7a13af636 (patch)
tree76e695aef20df9fbb6007c3f2467c6019fe8c428 /usr
parent01660dfc37933c92dbb7c5718aea61f88025d71f (diff)
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gen_init_cpio: remove leading `/' from file names
When we extracted the generated cpio archive using "cpio -id" command, it complained, cpio: Removing leading `/' from member names var/run cpio: Removing leading `/' from member names var/lib cpio: Removing leading `/' from member names var/lib/misc It is worse with the latest "cpio" or "pax", which tries to overwrite the host file system with the leading '/'. So the leading '/' of file names should be removed. This is consistent with the initramfs come with major distributions such as Fedora or Debian, etc. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Mike Frysinger<vapier@gentoo.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'usr')
-rw-r--r--usr/gen_init_cpio.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index b2b3c2d..59df70d 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -104,6 +104,8 @@ static int cpio_mkslink(const char *name, const char *target,
char s[256];
time_t mtime = time(NULL);
+ if (name[0] == '/')
+ name++;
sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
"%08X%08X%08X%08X%08X%08X%08X",
"070701", /* magic */
@@ -152,6 +154,8 @@ static int cpio_mkgeneric(const char *name, unsigned int mode,
char s[256];
time_t mtime = time(NULL);
+ if (name[0] == '/')
+ name++;
sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
"%08X%08X%08X%08X%08X%08X%08X",
"070701", /* magic */
@@ -245,6 +249,8 @@ static int cpio_mknod(const char *name, unsigned int mode,
else
mode |= S_IFCHR;
+ if (name[0] == '/')
+ name++;
sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
"%08X%08X%08X%08X%08X%08X%08X",
"070701", /* magic */
@@ -332,6 +338,8 @@ static int cpio_mkfile(const char *name, const char *location,
/* data goes on last link */
if (i == nlinks) size = buf.st_size;
+ if (name[0] == '/')
+ name++;
namesize = strlen(name) + 1;
sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX"
"%08lX%08X%08X%08X%08X%08X%08X",