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Matheus
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
#include <kernel/cred.h>
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#include <errno.h>
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int cred_setuids(cred_t *cred, int uid, int euid, int suid) {
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if (uid < -1 || euid < -1 || suid < -1 || (uid == -1 && euid == -1 && suid == -1))
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return EINVAL;
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// TODO do permission check to see if its possible
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cred->uid = (uid == -1) ? cred->uid : uid;
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cred->euid = (euid == -1) ? cred->euid : euid;
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cred->suid = (suid == -1) ? cred->suid : suid;
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return 0;
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}
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int cred_setgids(cred_t *cred, int gid, int egid, int sgid) {
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if (gid < -1 || egid < -1 || sgid < -1 || (gid == -1 && egid == -1 && sgid == -1))
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return EINVAL;
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// TODO do permission check to see if its possible
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cred->gid = (gid == -1) ? cred->gid : gid;
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cred->egid = (egid == -1) ? cred->egid : egid;
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cred->sgid = (sgid == -1) ? cred->sgid : sgid;
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return 0;
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}
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void cred_getuids(cred_t *cred, int *uidp, int *euidp, int *suidp) {
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*uidp = cred->uid;
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*euidp = cred->euid;
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*suidp = cred->suid;
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}
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void cred_getgids(cred_t *cred, int *gidp, int *egidp, int *sgidp) {
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*gidp = cred->gid;
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*egidp = cred->egid;
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*sgidp = cred->sgid;
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}
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