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| author | DJ Delorie <dj@redhat.com> | 2016-12-06 01:38:23 -0500 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2016-12-06 01:38:23 -0500 |
| commit | 2207ff5dd1758a989e2af452eca89e0bb73da2a5 (patch) | |
| tree | 961450e3d60e5f55dde272bae8fba35846926c20 /libiberty | |
| parent | 202687fb7c65fa951f7ffd39c0a4a651ab753daf (diff) | |
| download | gcc-2207ff5dd1758a989e2af452eca89e0bb73da2a5.zip gcc-2207ff5dd1758a989e2af452eca89e0bb73da2a5.tar.gz gcc-2207ff5dd1758a989e2af452eca89e0bb73da2a5.tar.bz2 | |
* argv.c (expandargv): Check for directories passed as @-files.
From-SVN: r243280
Diffstat (limited to 'libiberty')
| -rw-r--r-- | libiberty/ChangeLog | 4 | ||||
| -rw-r--r-- | libiberty/argv.c | 19 |
2 files changed, 23 insertions, 0 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index f0959c9..e4e765a 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,7 @@ +2016-11-30 DJ Delorie <dj@redhat.com> + + * argv.c (expandargv): Check for directories passed as @-files. + 2016-11-30 David Malcolm <dmalcolm@redhat.com> PR c/78498 diff --git a/libiberty/argv.c b/libiberty/argv.c index 994dd35..fd43e78 100644 --- a/libiberty/argv.c +++ b/libiberty/argv.c @@ -35,6 +35,13 @@ Boston, MA 02110-1301, USA. */ #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <sys/types.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif #ifndef NULL #define NULL 0 @@ -387,6 +394,9 @@ expandargv (int *argcp, char ***argvp) char **file_argv; /* The number of options read from the response file, if any. */ size_t file_argc; +#ifdef S_ISDIR + struct stat sb; +#endif /* We are only interested in options of the form "@file". */ filename = (*argvp)[i]; if (filename[0] != '@') @@ -397,6 +407,15 @@ expandargv (int *argcp, char ***argvp) fprintf (stderr, "%s: error: too many @-files encountered\n", (*argvp)[0]); xexit (1); } +#ifdef S_ISDIR + if (stat (filename+1, &sb) < 0) + continue; + if (S_ISDIR(sb.st_mode)) + { + fprintf (stderr, "%s: error: @-file refers to a directory\n", (*argvp)[0]); + xexit (1); + } +#endif /* Read the contents of the file. */ f = fopen (++filename, "r"); if (!f) |