| 1 | /*
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| 2 | nss sample code for extended winbindd functionality
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| 3 |
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| 4 | Copyright (C) Andrew Tridgell (tridge@samba.org)
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| 5 | Copyright (C) Volker Lendecke (vl@samba.org)
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| 6 |
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| 7 | you are free to use this code in any way you see fit, including
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| 8 | without restriction, using this code in your own products. You do
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| 9 | not need to give any attribution.
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| 10 | */
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| 11 |
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| 12 | #define _GNU_SOURCE
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| 13 |
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| 14 | #include <pwd.h>
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| 15 | #include <grp.h>
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| 16 |
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| 17 | struct nss_state {
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| 18 | void *dl_handle;
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| 19 | char *nss_name;
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| 20 | char pwnam_buf[512];
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| 21 | };
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| 22 |
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| 23 | /*
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| 24 | establish a link to the nss library
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| 25 | Return 0 on success and -1 on error
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| 26 | */
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| 27 | int nss_open(struct nss_state *nss, const char *nss_path);
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| 28 |
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| 29 | /*
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| 30 | close and cleanup a nss state
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| 31 | */
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| 32 | void nss_close(struct nss_state *nss);
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| 33 |
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| 34 | /*
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| 35 | make a getpwnam call.
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| 36 | Return 0 on success and -1 on error
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| 37 | */
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| 38 | int nss_getpwent(struct nss_state *nss, struct passwd *pwd);
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| 39 |
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| 40 | /*
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| 41 | make a setpwent call.
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| 42 | Return 0 on success and -1 on error
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| 43 | */
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| 44 | int nss_setpwent(struct nss_state *nss);
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| 45 |
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| 46 | /*
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| 47 | make a endpwent call.
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| 48 | Return 0 on success and -1 on error
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| 49 | */
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| 50 | int nss_endpwent(struct nss_state *nss);
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| 51 |
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| 52 | /*
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| 53 | convert a name to a SID
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| 54 | caller frees
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| 55 | Return 0 on success and -1 on error
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| 56 | */
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| 57 | int nss_nametosid(struct nss_state *nss, const char *name, char **sid);
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| 58 |
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| 59 | /*
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| 60 | convert a SID to a name
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| 61 | caller frees
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| 62 | Return 0 on success and -1 on error
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| 63 | */
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| 64 | int nss_sidtoname(struct nss_state *nss, const char *sid, char **name);
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| 65 |
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| 66 | /*
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| 67 | return a list of group SIDs for a user SID
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| 68 | the returned list is NULL terminated
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| 69 | Return 0 on success and -1 on error
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| 70 | */
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| 71 | int nss_getusersids(struct nss_state *nss, const char *user_sid, char ***sids);
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| 72 |
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| 73 | /*
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| 74 | convert a sid to a uid
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| 75 | Return 0 on success and -1 on error
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| 76 | */
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| 77 | int nss_sidtouid(struct nss_state *nss, const char *sid, uid_t *uid);
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| 78 |
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| 79 | /*
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| 80 | convert a sid to a gid
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| 81 | Return 0 on success and -1 on error
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| 82 | */
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| 83 | int nss_sidtogid(struct nss_state *nss, const char *sid, gid_t *gid);
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| 84 |
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| 85 | /*
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| 86 | convert a uid to a sid
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| 87 | caller frees
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| 88 | Return 0 on success and -1 on error
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| 89 | */
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| 90 | int nss_uidtosid(struct nss_state *nss, uid_t uid, char **sid);
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| 91 |
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| 92 | /*
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| 93 | convert a gid to a sid
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| 94 | caller frees
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| 95 | Return 0 on success and -1 on error
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| 96 | */
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| 97 | int nss_gidtosid(struct nss_state *nss, gid_t gid, char **sid);
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