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sync user_args size calculation with sudo.c

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Add -g group option, renaming old -g to -G
Add set_runasgr() and set_runaspw() and use them
This commit is contained in:
Todd C. Miller 2008-01-15 14:40:48 +00:00
parent 7f05a4ff6f
commit 18d42bf8b4
1 changed files with 51 additions and 14 deletions
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65
testsudoers.c
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@ -105,6 +105,8 @@ void print_defaults __P((void));
void print_privilege __P((struct privilege *));
void print_userspecs __P((void));
void usage __P((void)) __attribute__((__noreturn__));
void set_runasgr __P((char *));
void set_runaspw __P((char *));
extern void ts_setgrfile __P((const char *));
extern void ts_setgrent __P((void));
@ -127,7 +129,7 @@ main(argc, argv)
struct cmndspec *cs;
struct privilege *priv;
struct userspec *us;
char *p, *grfile, *pwfile, *runas_user, hbuf[MAXHOSTNAMELEN];
char *p, *grfile, *pwfile, *runas_group, *runas_user, hbuf[MAXHOSTNAMELEN];
int ch, dflag, rval, matched;
#ifdef YYDEBUG
extern int yydebug;
@ -138,8 +140,8 @@ main(argc, argv)
Argc = argc;
dflag = 0;
grfile = pwfile = runas_user = NULL;
while ((ch = getopt(argc, argv, "dg:h:p:u:")) != -1) {
grfile = pwfile = runas_group = runas_user = NULL;
while ((ch = getopt(argc, argv, "dg:G:h:p:u:")) != -1) {
switch (ch) {
case 'd':
dflag = 1;
@ -147,9 +149,12 @@ main(argc, argv)
case 'h':
user_host = optarg;
break;
case 'g':
case 'G':
grfile = optarg;
break;
case 'g':
runas_group = optarg;
break;
case 'p':
pwfile = optarg;
break;
@ -219,8 +224,9 @@ main(argc, argv)
char *to, **from;
size_t size, n;
size = (size_t) (NewArgv[NewArgc-1] - NewArgv[1]) +
strlen(NewArgv[NewArgc-1]) + 1;
for (size = 0, from = NewArgv + 1; *from; from++)
size += strlen(*from) + 1;
user_args = (char *) emalloc(size);
for (to = user_args, from = NewArgv + 1; *from; from++) {
n = strlcpy(to, *from, size - (to - user_args));
@ -234,13 +240,6 @@ main(argc, argv)
/* Initialize default values. */
init_defaults();
if (*runas_user == '#') {
if ((runas_pw = sudo_getpwuid(atoi(runas_user + 1))) == NULL)
runas_pw = sudo_fakepwnam(runas_user);
} else {
if ((runas_pw = sudo_getpwnam(runas_user)) == NULL)
errorx(1, "no passwd entry for %s!", runas_user);
}
/* Load ip addr/mask for each interface. */
load_interfaces();
@ -257,6 +256,18 @@ main(argc, argv)
(void) fputs(" (problem with defaults entries)", stdout);
puts(".");
/*
* Set runas passwd/group entries based on command line or sudoers.
* Note that if runas_group was specified without runas_user we
* defer setting runas_pw so the match routines know to ignore it.
*/
if (runas_group != NULL) {
set_runasgr(runas_group);
if (runas_user != NULL)
set_runaspw(runas_user);
} else
set_runaspw(runas_user ? runas_user : def_runas_default);
if (dflag) {
(void) putchar('\n');
dump_sudoers();
@ -297,6 +308,32 @@ main(argc, argv)
exit(0);
}
void
set_runaspw(user)
char *user;
{
if (*user == '#') {
if ((runas_pw = sudo_getpwuid(atoi(user + 1))) == NULL)
runas_pw = sudo_fakepwnam(user);
} else {
if ((runas_pw = sudo_getpwnam(user)) == NULL)
errorx(1, "unknown user: %s", user);
}
}
void
set_runasgr(group)
char *group;
{
if (*group == '#') {
if ((runas_gr = sudo_getgrgid(atoi(group + 1))) == NULL)
runas_gr = sudo_fakegrnam(group);
} else {
if ((runas_gr = sudo_getgrnam(group)) == NULL)
errorx(1, "unknown group: %s", group);
}
}
int
update_defaults(skip_cmnd)
int skip_cmnd;
@ -525,6 +562,6 @@ dump_sudoers()
void
usage()
{
(void) fprintf(stderr, "usage: %s [-d] [-g grfile] [-h host] [-p pwfile] [-u user] <user> <command> [args]\n", getprogname());
(void) fprintf(stderr, "usage: %s [-d] [-G grfile] [-g group] [-h host] [-p pwfile] [-u user] <user> <command> [args]\n", getprogname());
exit(1);
}