diff options
| -rw-r--r-- | lib/libutil/pw_util.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/libutil/pw_util.c b/lib/libutil/pw_util.c index d219917..5eb0953 100644 --- a/lib/libutil/pw_util.c +++ b/lib/libutil/pw_util.c @@ -62,7 +62,6 @@ static const char rcsid[] = #include <ctype.h> #include <fcntl.h> #include <inttypes.h> -#include <libgen.h> #include <paths.h> #include <pwd.h> #include <signal.h> @@ -290,6 +289,8 @@ pw_edit(int notsetuid) { struct stat st1, st2; const char *editor; + char *editcmd; + int editcmdlen; int pstat; if ((editor = getenv("EDITOR")) == NULL) @@ -305,8 +306,17 @@ pw_edit(int notsetuid) (void)setgid(getgid()); (void)setuid(getuid()); } + if ((editcmdlen = sysconf(_SC_ARG_MAX) - 6) <= 0 || + (editcmd = malloc(editcmdlen)) == NULL) + _exit(EXIT_FAILURE); + if (snprintf(editcmd, editcmdlen, "%s %s", + editor, tempname) >= editcmdlen) { + free(editcmd); /* pedantry */ + _exit(EXIT_FAILURE); + } errno = 0; - execlp(editor, basename(editor), tempname, NULL); + execl(_PATH_BSHELL, "sh", "-c", editcmd, NULL); + free(editcmd); _exit(errno); default: /* parent */ |
