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Add a way to make it so that you don't need to input a password.

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In /etc/sus, if you suffix the group ID with a "n", then it will not
ask for any password for users in that group.

Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
Slendi 2023-05-25 23:38:49 +03:00
parent f7335c8761
commit 61a67856ed
No known key found for this signature in database
GPG Key ID: F8405BA38DE1E10D
1 changed files with 25 additions and 5 deletions
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22
sus.c
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@ -13,18 +13,37 @@
#define MAX_IDS 100 #define MAX_IDS 100
long long ids[MAX_IDS] = { 0 }; long long ids[MAX_IDS] = { 0 };
char nopass[MAX_IDS] = { 0 };
size_t ids_len = 0; size_t ids_len = 0;
read_ids() read_ids()
{ {
FILE *f = fopen("/etc/sus", "r"); FILE *f = fopen("/etc/sus", "r");
if (!f) return 0; if (!f) return 0;
while (!feof(f) && ids_len < 99) while (!feof(f) && ids_len < 99) {
char ch;
fscanf(f, "%lld", &ids[ids_len++]); fscanf(f, "%lld", &ids[ids_len++]);
if (!feof(f)) {
if ((ch = fgetc(f)) == 'n')
nopass[ids_len] = 1;
else
ungetc(ch, f);
}
}
if (ids_len == 0) return 0; if (ids_len == 0) return 0;
return 1; return 1;
} }
uid_nopass(uid)
{
int i;
for (i = 0; i < ids_len; i++) {
if (ids[i] == uid && nopass[i])
return 1;
}
return 0;
}
check_password(pass_buf) check_password(pass_buf)
char *pass_buf; char *pass_buf;
{ {
@ -178,6 +197,7 @@ uid_t uid;
return -1; return -1;
} }
if (!uid_nopass(uid))
if (ask_password() != 1) { if (ask_password() != 1) {
fputs("Too many attempts.\n", stderr); fputs("Too many attempts.\n", stderr);
return -1; return -1;