diff options
Diffstat (limited to 'nsswitch/libwbclient/wbc_sid.c')
| -rw-r--r-- | nsswitch/libwbclient/wbc_sid.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/nsswitch/libwbclient/wbc_sid.c b/nsswitch/libwbclient/wbc_sid.c index 712c865bfe..6df8a3c375 100644 --- a/nsswitch/libwbclient/wbc_sid.c +++ b/nsswitch/libwbclient/wbc_sid.c @@ -279,6 +279,189 @@ done: return wbc_status; } +static void wbcDomainInfosDestructor(void *ptr) +{ + struct wbcDomainInfo *i = (struct wbcDomainInfo *)ptr; + + while (i->short_name != NULL) { + wbcFreeMemory(i->short_name); + wbcFreeMemory(i->dns_name); + i += 1; + } +} + +static void wbcTranslatedNamesDestructor(void *ptr) +{ + struct wbcTranslatedName *n = (struct wbcTranslatedName *)ptr; + + while (n->name != NULL) { + free(n->name); + n += 1; + } +} + +wbcErr wbcLookupSids(const struct wbcDomainSid *sids, int num_sids, + struct wbcDomainInfo **pdomains, int *pnum_domains, + struct wbcTranslatedName **pnames) +{ + struct winbindd_request request; + struct winbindd_response response; + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int buflen, i, extra_len, num_domains, num_names; + char *sidlist, *p, *q, *extra_data; + struct wbcDomainInfo *domains = NULL; + struct wbcTranslatedName *names = NULL; + + buflen = num_sids * (WBC_SID_STRING_BUFLEN + 1) + 1; + + sidlist = (char *)malloc(buflen); + if (sidlist == NULL) { + return WBC_ERR_NO_MEMORY; + } + + p = sidlist; + + for (i=0; i<num_sids; i++) { + int remaining; + int len; + + remaining = buflen - (p - sidlist); + + len = wbcSidToStringBuf(&sids[i], p, remaining); + if (len > remaining) { + free(sidlist); + return WBC_ERR_UNKNOWN_FAILURE; + } + + p += len; + *p++ = '\n'; + } + *p++ = '\0'; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + request.extra_data.data = sidlist; + request.extra_len = p - sidlist; + + wbc_status = wbcRequestResponse(WINBINDD_LOOKUPSIDS, + &request, &response); + free(sidlist); + if (!WBC_ERROR_IS_OK(wbc_status)) { + return wbc_status; + } + + extra_len = response.length - sizeof(struct winbindd_response); + extra_data = (char *)response.extra_data.data; + + if ((extra_len <= 0) || (extra_data[extra_len-1] != '\0')) { + goto wbc_err_invalid; + } + + p = extra_data; + + num_domains = strtoul(p, &q, 10); + if (*q != '\n') { + goto wbc_err_invalid; + } + p = q+1; + + domains = (struct wbcDomainInfo *)wbcAllocateMemory( + num_domains+1, sizeof(struct wbcDomainInfo), + wbcDomainInfosDestructor); + if (domains == NULL) { + wbc_status = WBC_ERR_NO_MEMORY; + goto fail; + } + + for (i=0; i<num_domains; i++) { + + q = strchr(p, ' '); + if (q == NULL) { + goto wbc_err_invalid; + } + *q = '\0'; + wbc_status = wbcStringToSid(p, &domains[i].sid); + if (!WBC_ERROR_IS_OK(wbc_status)) { + goto fail; + } + p = q+1; + + q = strchr(p, '\n'); + if (q == NULL) { + goto wbc_err_invalid; + } + *q = '\0'; + domains[i].short_name = wbcStrDup(p); + if (domains[i].short_name == NULL) { + wbc_status = WBC_ERR_NO_MEMORY; + goto fail; + } + p = q+1; + } + + num_names = strtoul(p, &q, 10); + if (*q != '\n') { + goto wbc_err_invalid; + } + p = q+1; + + if (num_names != num_sids) { + goto wbc_err_invalid; + } + + names = (struct wbcTranslatedName *)wbcAllocateMemory( + num_names+1, sizeof(struct wbcTranslatedName), + wbcTranslatedNamesDestructor); + if (names == NULL) { + wbc_status = WBC_ERR_NO_MEMORY; + goto fail; + } + + for (i=0; i<num_names; i++) { + + names[i].domain_index = strtoul(p, &q, 10); + if (*q != ' ') { + goto wbc_err_invalid; + } + p = q+1; + + names[i].type = strtoul(p, &q, 10); + if (*q != ' ') { + goto wbc_err_invalid; + } + p = q+1; + + q = strchr(p, '\n'); + if (q == NULL) { + goto wbc_err_invalid; + } + *q = '\0'; + names[i].name = wbcStrDup(p); + if (names[i].name == NULL) { + wbc_status = WBC_ERR_NO_MEMORY; + goto fail; + } + p = q+1; + } + if (*p != '\0') { + goto wbc_err_invalid; + } + + *pdomains = domains; + *pnames = names; + winbindd_free_response(&response); + return WBC_ERR_SUCCESS; + +wbc_err_invalid: + wbc_status = WBC_ERR_INVALID_RESPONSE; +fail: + winbindd_free_response(&response); + wbcFreeMemory(domains); + wbcFreeMemory(names); + return wbc_status; +} + /* Translate a collection of RIDs within a domain to names */ wbcErr wbcLookupRids(struct wbcDomainSid *dom_sid, |