Last change
on this file since 1849 was
1825,
checked in by andersk, 13 years ago
|
Update nss_nonlocal to 2.0
- Fix errno saving and restoring.
- Document nss-nonlocal-users and nss-local-users groups in README.
- Allow local whitelisting of nonlocal user and group memberships,
using the magic local ‘nss-nonlocal-users’ user and group.
|
File size:
1.3 KB
|
Rev | Line | |
---|
[1825] | 1 | { |
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| 2 | static service_user *startp = NULL; |
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| 3 | static void *fct_start = NULL; |
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| 4 | |
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| 5 | service_user *nip; |
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| 6 | union { |
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| 7 | __typeof__(self) l; |
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| 8 | void *ptr; |
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| 9 | } fct; |
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| 10 | int old_errno = errno; |
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| 11 | |
---|
| 12 | if (fct_start == NULL && |
---|
| 13 | w.lookup(&startp, w.fct_name, &fct_start) != 0) { |
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| 14 | *w.status = NSS_STATUS_UNAVAIL; |
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| 15 | goto walk_nss_out; |
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| 16 | } |
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| 17 | |
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| 18 | nip = startp; |
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| 19 | fct.ptr = fct_start; |
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| 20 | |
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| 21 | if (w.buf != NULL) { |
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| 22 | *w.buf = malloc(*w.buflen); |
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| 23 | errno = old_errno; |
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| 24 | if (*w.buf == NULL) { |
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| 25 | *w.status = NSS_STATUS_TRYAGAIN; |
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| 26 | *w.errnop = ENOMEM; |
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| 27 | goto walk_nss_out; |
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| 28 | } |
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| 29 | } |
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| 30 | |
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| 31 | do { |
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| 32 | walk_nss_morebuf: |
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| 33 | if (fct.ptr == NULL) |
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| 34 | *w.status = NSS_STATUS_UNAVAIL; |
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| 35 | else if (self != NULL && fct.l == self) |
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| 36 | *w.status = NSS_STATUS_NOTFOUND; |
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| 37 | else |
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| 38 | *w.status = DL_CALL_FCT(fct.l, args); |
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| 39 | if (*w.status == NSS_STATUS_TRYAGAIN && |
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| 40 | w.errnop != NULL && *w.errnop == ERANGE) { |
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| 41 | if (w.buf == NULL) |
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| 42 | break; |
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| 43 | free(*w.buf); |
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| 44 | *w.buflen *= 2; |
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| 45 | *w.buf = malloc(*w.buflen); |
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| 46 | errno = old_errno; |
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| 47 | if (*w.buf == NULL) { |
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| 48 | *w.errnop = ENOMEM; |
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| 49 | goto walk_nss_out; |
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| 50 | } |
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| 51 | goto walk_nss_morebuf; |
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| 52 | } |
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| 53 | } while (__nss_next(&nip, w.fct_name, &fct.ptr, *w.status, 0) == 0); |
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| 54 | |
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| 55 | if (w.buf != NULL && *w.status != NSS_STATUS_SUCCESS) { |
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| 56 | free(*w.buf); |
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| 57 | *w.buf = NULL; |
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| 58 | } |
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| 59 | |
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| 60 | walk_nss_out: |
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| 61 | ; |
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| 62 | } |
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