diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 1997-04-12 07:18:58 +0000 |
---|---|---|
committer | Todd C. Miller <millert@cvs.openbsd.org> | 1997-04-12 07:18:58 +0000 |
commit | 1104d3a3fd6f41ac54e4e3bd05cbcc31edf1eef9 (patch) | |
tree | 35835eb9ecbbe047daee6b1dbc64030f275e2f7f /gnu | |
parent | 3e69f20c4cb350dfe7f8611b5a6ff069cf3e6b5c (diff) |
Fixed coredump when passwd file is missing or unavailable.
Reported by Jason Downs <downsj@teeny.org> and
Klee Dienes <klee@mit.edu> (via a Debian Linux bug report).
Diffstat (limited to 'gnu')
-rw-r--r-- | gnu/usr.bin/sudo/sudo/sudo.c | 11 | ||||
-rw-r--r-- | gnu/usr.bin/sudo/visudo/visudo.c | 9 |
2 files changed, 13 insertions, 7 deletions
diff --git a/gnu/usr.bin/sudo/sudo/sudo.c b/gnu/usr.bin/sudo/sudo/sudo.c index c735f8c116c..c1615a47469 100644 --- a/gnu/usr.bin/sudo/sudo/sudo.c +++ b/gnu/usr.bin/sudo/sudo/sudo.c @@ -51,7 +51,7 @@ */ #ifndef lint -static char rcsid[] = "$Id: sudo.c,v 1.2 1996/11/17 16:34:04 millert Exp $"; +static char rcsid[] = "$Id: sudo.c,v 1.3 1997/04/12 07:18:56 millert Exp $"; #endif /* lint */ #define MAIN @@ -405,10 +405,7 @@ static void load_globals(sudo_mode) * if necesary. It is assumed that euid is 0 at this point so we * can read the shadow passwd file if necesary. */ - user_pw_ent = sudo_getpwuid(getuid()); - set_perms(PERM_ROOT, sudo_mode); - set_perms(PERM_USER, sudo_mode); - if (user_pw_ent == NULL) { + if ((user_pw_ent = sudo_getpwuid(getuid())) == NULL) { /* need to make a fake user_pw_ent */ struct passwd pw_ent; char pw_name[MAX_UID_T_LEN+1]; @@ -425,6 +422,10 @@ static void load_globals(sudo_mode) exit(1); } + /* Set euid == user and ruid == root */ + set_perms(PERM_ROOT, sudo_mode); + set_perms(PERM_USER, sudo_mode); + #ifdef HAVE_TZSET (void) tzset(); /* set the timezone if applicable */ #endif /* HAVE_TZSET */ diff --git a/gnu/usr.bin/sudo/visudo/visudo.c b/gnu/usr.bin/sudo/visudo/visudo.c index 45d446172e2..f977b314977 100644 --- a/gnu/usr.bin/sudo/visudo/visudo.c +++ b/gnu/usr.bin/sudo/visudo/visudo.c @@ -26,7 +26,7 @@ */ #ifndef lint -static char rcsid[] = "$Id: visudo.c,v 1.3 1996/11/17 16:34:08 millert Exp $"; +static char rcsid[] = "$Id: visudo.c,v 1.4 1997/04/12 07:18:57 millert Exp $"; #endif /* lint */ #include "config.h" @@ -156,7 +156,12 @@ int main(argc, argv) usage(); /* user_pw_ent needs to point to something... */ - user_pw_ent = getpwuid(getuid()); + if ((user_pw_ent = getpwuid(getuid())) == NULL) { + (void) fprintf(stderr, "%s: Can't find you in the passwd database: ", + Argv[0]); + perror(stmp); + exit(1); + } #ifdef ENV_EDITOR /* |