diff options
-rw-r--r-- | lib/lib.h | 4 | ||||
-rw-r--r-- | lib/xwrap.c | 36 | ||||
-rw-r--r-- | toys/other/makedevs.c | 4 | ||||
-rw-r--r-- | toys/posix/chgrp.c | 4 | ||||
-rw-r--r-- | toys/posix/cp.c | 4 | ||||
-rw-r--r-- | toys/posix/find.c | 4 |
6 files changed, 26 insertions, 30 deletions
@@ -153,8 +153,8 @@ struct passwd *xgetpwuid(uid_t uid); struct group *xgetgrgid(gid_t gid); struct passwd *xgetpwnam(char *name); struct group *xgetgrnam(char *name); -struct passwd *xgetpwnamid(char *user); -struct group *xgetgrnamid(char *group); +unsigned xgetuid(char *name); +unsigned xgetgid(char *name); void xsetuser(struct passwd *pwd); char *xreadlink(char *name); long xparsetime(char *arg, long units, long *fraction); diff --git a/lib/xwrap.c b/lib/xwrap.c index a7b7bfcb..48e02965 100644 --- a/lib/xwrap.c +++ b/lib/xwrap.c @@ -590,36 +590,32 @@ struct group *xgetgrgid(gid_t gid) return group; } -struct passwd *xgetpwnamid(char *user) +unsigned xgetuid(char *name) { - struct passwd *up = getpwnam(user); - uid_t uid; + struct passwd *up = getpwnam(name); + char *s = 0; + long uid; - if (!up) { - char *s = 0; + if (up) return up->pw_uid; - uid = estrtol(user, &s, 10); - if (!errno && s && !*s) up = getpwuid(uid); - } - if (!up) perror_exit("user '%s'", user); + uid = estrtol(name, &s, 10); + if (!errno && s && !*s && uid>=0 && uid<=UINT_MAX) return uid; - return up; + error_exit("bad user '%s'", name); } -struct group *xgetgrnamid(char *group) +unsigned xgetgid(char *name) { - struct group *gr = getgrnam(group); - gid_t gid; + struct group *gr = getgrnam(name); + char *s = 0; + long gid; - if (!gr) { - char *s = 0; + if (gr) return gr->gr_gid; - gid = estrtol(group, &s, 10); - if (!errno && s && !*s) gr = getgrgid(gid); - } - if (!gr) perror_exit("group '%s'", group); + gid = estrtol(name, &s, 10); + if (!errno && s && !*s && gid>=0 && gid<=UINT_MAX) return gid; - return gr; + error_exit("bad group '%s'", name); } struct passwd *xgetpwnam(char *name) diff --git a/toys/other/makedevs.c b/toys/other/makedevs.c index ed91fd93..5e6a9822 100644 --- a/toys/other/makedevs.c +++ b/toys/other/makedevs.c @@ -78,8 +78,8 @@ void makedevs_main() continue; } else mode |= (mode_t[]){S_IFIFO, S_IFCHR, S_IFBLK, 0, 0}[i]; - uid = *user ? xgetpwnamid(user)->pw_uid : getuid(); - gid = *group ? xgetgrnamid(group)->gr_gid : getgid(); + uid = *user ? xgetuid(user) : getuid(); + gid = *group ? xgetgid(group) : getgid(); while (*node == '/') node++; // using relative path diff --git a/toys/posix/chgrp.c b/toys/posix/chgrp.c index e0690c93..62e9eb1d 100644 --- a/toys/posix/chgrp.c +++ b/toys/posix/chgrp.c @@ -87,11 +87,11 @@ void chgrp_main(void) *(grp++) = 0; TT.group_name = grp; } - if (*own) TT.owner = xgetpwnamid(TT.owner_name = own)->pw_uid; + if (*own) TT.owner = xgetuid(TT.owner_name = own); } else TT.group_name = *toys.optargs; if (TT.group_name && *TT.group_name) - TT.group = xgetgrnamid(TT.group_name)->gr_gid; + TT.group = xgetgid(TT.group_name); for (s=toys.optargs+1; *s; s++) dirtree_flagread(*s, DIRTREE_SYMFOLLOW*!!(toys.optflags&(FLAG_H|FLAG_L)), diff --git a/toys/posix/cp.c b/toys/posix/cp.c index eafabcd1..0dd63a7d 100644 --- a/toys/posix/cp.c +++ b/toys/posix/cp.c @@ -499,8 +499,8 @@ void install_main(void) if (flags & FLAG_v) toys.optflags |= cp_flag_v(); if (flags & (FLAG_p|FLAG_o|FLAG_g)) toys.optflags |= cp_flag_p(); - if (TT.i.user) TT.uid = xgetpwnamid(TT.i.user)->pw_uid; - if (TT.i.group) TT.gid = xgetgrnamid(TT.i.group)->gr_gid; + if (TT.i.user) TT.uid = xgetuid(TT.i.user); + if (TT.i.group) TT.gid = xgetgid(TT.i.group); TT.callback = install_node; cp_main(); diff --git a/toys/posix/find.c b/toys/posix/find.c index 02f7702d..86fc141f 100644 --- a/toys/posix/find.c +++ b/toys/posix/find.c @@ -398,8 +398,8 @@ static int do_find(struct dirtree *new) udl = xmalloc(sizeof(*udl)); dlist_add_nomalloc(&TT.argdata, (void *)udl); - if (*s == 'u') udl->u.uid = xgetpwnamid(ss[1])->pw_uid; - else if (*s == 'g') udl->u.gid = xgetgrnamid(ss[1])->gr_gid; + if (*s == 'u') udl->u.uid = xgetuid(ss[1]); + else if (*s == 'g') udl->u.gid = xgetgid(ss[1]); else { struct stat st; |