On Tue, Nov 20, 2018 at 07:10:19PM +0000, Radostin Stoyanov wrote:
> The output of ldd might contain a fully qualified path on the left
> hand side of the '=>'. For example:
>
> (glibc 2.28)
> $ ldd /usr/libexec/libvirt-sandbox-init-common | grep ld
> /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2
> (0x00007fcdceb96000)
>
> (glibc 2.27)
> $ ldd /usr/libexec/libvirt-sandbox-init-common | grep ld
> /lib64/ld-linux-x86-64.so.2 (0x00007f18135eb000)
>
> Signed-off-by: Radostin Stoyanov <rstoyan...@gmail.com>
> ---
> libvirt-sandbox/libvirt-sandbox-builder.c | 14 ++++++--------
> 1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/libvirt-sandbox/libvirt-sandbox-builder.c
> b/libvirt-sandbox/libvirt-sandbox-builder.c
> index 8cfc2f4..7058112 100644
> --- a/libvirt-sandbox/libvirt-sandbox-builder.c
> +++ b/libvirt-sandbox/libvirt-sandbox-builder.c
> @@ -297,7 +297,7 @@ static gboolean gvir_sandbox_builder_copy_program(const
> char *program,
> /* Loop over the output lines to get the path to the libraries to copy */
> line = out;
> while ((tmp = strchr(line, '\n'))) {
> - gchar *start, *end;
> + gchar *start, *end, *tmp2;
> *tmp = '\0';
>
> /* Search the line for the library path */
> @@ -308,22 +308,20 @@ static gboolean gvir_sandbox_builder_copy_program(const
> char *program,
> const gchar *newname = NULL;
> *end = '\0';
>
> + if ((tmp2 = strstr(start, "=> ")))
> + start = tmp2 + 3;
> +
> /* There are countless different naming schemes for
> * the ld-linux.so library across architectures. Pretty
> * much the only thing in common is they start with
> - * the two letters 'ld'. The LDD program prints it
> - * out differently too - it doesn't include " => "
> - * as this library is special - its actually a static
> - * linked executable not a library.
> + * the two letters 'ld'.
> *
> * To make life easier for libvirt-sandbox-init-{qemu,lxc}
> * we just call the file 'ld.so' when we copy it into our
> * scratch dir, no matter what it was called on the host.
> */
> - if (!strstr(line, " => ") &&
> - strstr(start, "/ld")) {
> + if (strstr(start, "/ld"))
> newname = "ld.so";
> - }
>
> if (!gvir_sandbox_builder_copy_file(start, dest, newname, error))
> goto cleanup;
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
Regards,
Daniel
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