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| author | Lennart Poettering <lennart@poettering.net> | 2019-01-18 20:13:55 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-02-08 10:34:47 +0100 |
| commit | cdccd29f39cd20cb2a8b71e50445eb839f076331 (patch) | |
| tree | 22361057d01ea2c1aae6246546b4d00fc28a7349 /src/nss-systemd | |
| parent | 840f606d88fef2f5d240b2d759ce7b951354d5bb (diff) | |
| download | systemd-cdccd29f39cd20cb2a8b71e50445eb839f076331.tar.gz | |
nss: unportect errno before writing to NSS' *errnop
Fixes: #11321
Diffstat (limited to 'src/nss-systemd')
| -rw-r--r-- | src/nss-systemd/nss-systemd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/nss-systemd/nss-systemd.c b/src/nss-systemd/nss-systemd.c index f554828d49..f8db27ae27 100644 --- a/src/nss-systemd/nss-systemd.c +++ b/src/nss-systemd/nss-systemd.c @@ -210,6 +210,7 @@ enum nss_status _nss_systemd_getpwnam_r( l = strlen(name); if (buflen < l+1) { + UNPROTECT_ERRNO; *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } @@ -227,6 +228,7 @@ enum nss_status _nss_systemd_getpwnam_r( return NSS_STATUS_SUCCESS; fail: + UNPROTECT_ERRNO; *errnop = -r; return NSS_STATUS_UNAVAIL; } @@ -310,6 +312,7 @@ enum nss_status _nss_systemd_getpwuid_r( l = strlen(translated) + 1; if (buflen < l) { + UNPROTECT_ERRNO; *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } @@ -327,6 +330,7 @@ enum nss_status _nss_systemd_getpwuid_r( return NSS_STATUS_SUCCESS; fail: + UNPROTECT_ERRNO; *errnop = -r; return NSS_STATUS_UNAVAIL; } @@ -408,6 +412,7 @@ enum nss_status _nss_systemd_getgrnam_r( l = sizeof(char*) + strlen(name) + 1; if (buflen < l) { + UNPROTECT_ERRNO; *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } @@ -423,6 +428,7 @@ enum nss_status _nss_systemd_getgrnam_r( return NSS_STATUS_SUCCESS; fail: + UNPROTECT_ERRNO; *errnop = -r; return NSS_STATUS_UNAVAIL; } @@ -506,6 +512,7 @@ enum nss_status _nss_systemd_getgrgid_r( l = sizeof(char*) + strlen(translated) + 1; if (buflen < l) { + UNPROTECT_ERRNO; *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } @@ -521,6 +528,7 @@ enum nss_status _nss_systemd_getgrgid_r( return NSS_STATUS_SUCCESS; fail: + UNPROTECT_ERRNO; *errnop = -r; return NSS_STATUS_UNAVAIL; } @@ -740,6 +748,7 @@ enum nss_status _nss_systemd_getpwent_r(struct passwd *result, char *buffer, siz LIST_FOREACH(entries, p, getpwent_data.position) { len = strlen(p->name) + 1; if (buflen < len) { + UNPROTECT_ERRNO; *errnop = ERANGE; ret = NSS_STATUS_TRYAGAIN; goto finalize; @@ -791,6 +800,7 @@ enum nss_status _nss_systemd_getgrent_r(struct group *result, char *buffer, size LIST_FOREACH(entries, p, getgrent_data.position) { len = sizeof(char*) + strlen(p->name) + 1; if (buflen < len) { + UNPROTECT_ERRNO; *errnop = ERANGE; ret = NSS_STATUS_TRYAGAIN; goto finalize; |