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comparison lib/xwrap.c @ 1400:31cb9ba1815c draft

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Improve gid/uid error messages.
author Rob Landley <rob@landley.net>
date Mon, 21 Jul 2014 19:57:36 -0500
parents 9fd2bcedbeb5
children 411cf82cdf77
comparison
equal deleted inserted replaced
1399:a0c328bc2c14 1400:31cb9ba1815c
448 } 448 }
449 449
450 struct group *xgetgrgid(gid_t gid) 450 struct group *xgetgrgid(gid_t gid)
451 { 451 {
452 struct group *group = getgrgid(gid); 452 struct group *group = getgrgid(gid);
453 if (!group) error_exit("bad gid %ld", (long)gid); 453
454 if (!group) perror_exit("gid %ld", (long)gid);
454 return group; 455 return group;
455 } 456 }
456 457
457 struct passwd *xgetpwnam(char *name) 458 struct passwd *xgetpwnam(char *name)
458 { 459 {
459 struct passwd *up = getpwnam(name); 460 struct passwd *up = getpwnam(name);
460 if (!up) error_exit("bad user '%s'", name); 461
462 if (!up) perror_exit("user '%s'", name);
461 return up; 463 return up;
462 } 464 }
463 465
464 // setuid() can fail (for example, too many processes belonging to that user), 466 // setuid() can fail (for example, too many processes belonging to that user),
465 // which opens a security hole if the process continues as the original user. 467 // which opens a security hole if the process continues as the original user.