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Switch to using strtoul() for parsing a potential UID or GID, which gets

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this to correctly handle UID's and GID's larger than 2147483647.

Noticed by:	bde
MFC after:	1 week
This commit is contained in:
Garance A Drosehn 2004-03-30 04:20:33 +00:00
parent 99635d6cdd
commit 0b42be7cb7
1 changed files with 8 additions and 9 deletions
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17
bin/ps/ps.c
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@ -629,7 +629,7 @@ addelem_gid(struct listinfo *inf, const char *elem)
struct group *grp;
const char *nameorID;
char *endp;
intmax_t ltemp;
u_long bigtemp;
if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) {
if (*elem == '\0')
@ -652,10 +652,10 @@ addelem_gid(struct listinfo *inf, const char *elem)
grp = NULL;
nameorID = "named";
errno = 0;
ltemp = strtol(elem, &endp, 10);
if (errno == 0 && *endp == '\0' && ltemp >= 0 && ltemp <= GID_MAX) {
bigtemp = strtoul(elem, &endp, 10);
if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) {
nameorID = "name or ID matches";
grp = getgrgid((gid_t)ltemp);
grp = getgrgid((gid_t)bigtemp);
}
if (grp == NULL)
grp = getgrnam(elem);
@ -742,7 +742,7 @@ addelem_uid(struct listinfo *inf, const char *elem)
{
struct passwd *pwd;
char *endp;
intmax_t ltemp;
u_long bigtemp;
if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) {
if (*elem == '\0')
@ -756,13 +756,12 @@ addelem_uid(struct listinfo *inf, const char *elem)
pwd = getpwnam(elem);
if (pwd == NULL) {
errno = 0;
ltemp = strtol(elem, &endp, 10);
if (errno != 0 || *endp != '\0' || ltemp < 0 ||
ltemp > UID_MAX)
bigtemp = strtoul(elem, &endp, 10);
if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX)
warnx("No %s named '%s'", inf->lname, elem);
else {
/* The string is all digits, so it might be a userID. */
pwd = getpwuid((uid_t)ltemp);
pwd = getpwuid((uid_t)bigtemp);
if (pwd == NULL)
warnx("No %s name or ID matches '%s'",
inf->lname, elem);