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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Src/options.c | 12 |
2 files changed, 16 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2014-10-31 Peter Stephenson <p.stephenson@samsung.com> + + * via private email: Jérémie Roquet: Src/options.c: more care + with errors using setuid(). + 2014-10-30 Oliver Kiddle <opk@zsh.org> * 33570, 33576: Doc/Zsh/zle.yo, Src/Zle/iwidgets.list, Src/Zle/zle.h, diff --git a/Src/options.c b/Src/options.c index 6e4e7b911..3e3e07474 100644 --- a/Src/options.c +++ b/Src/options.c @@ -766,7 +766,17 @@ dosetopt(int optno, int value, int force, char *new_opts) #ifdef HAVE_SETUID setuid(getuid()); setgid(getgid()); -#endif /* HAVE_SETUID */ + if (setuid(getuid())) { + zwarn("failed to change user ID: %e", errno); + return -1; + } else if (setgid(getgid())) { + zwarn("failed to change group ID: %e", errno); + return -1; + } +#else + zwarn("setuid not available"); + return -1; +#endif /* not HAVE_SETUID */ #ifdef JOB_CONTROL } else if (!force && optno == MONITOR && value) { if (new_opts[optno] == value) |