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nss: remove last usages of libvirt headers

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Use the plain libc APIs to avoid a dependancy on the main libvirt
code from the nss module.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2019-07-31 14:35:34 +01:00
parent bb7c531911
commit 8ee34c4ca8
3 changed files with 18 additions and 9 deletions
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16
tools/nss/libvirt_nss.c
View File

@ -31,13 +31,15 @@
#include <sys/types.h>
#include <dirent.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#if defined(HAVE_BSD_NSS)
# include <nsswitch.h>
#endif
#include "viralloc.h"
#include "virtime.h"
#include "configmake.h"
#include "libvirt_nss_leases.h"
@ -146,10 +148,10 @@ findLease(const char *name,
DEBUG("Processing %s", path);
if (findMACs(path, name, &macs, &nmacs) < 0) {
VIR_FREE(path);
free(path);
goto cleanup;
}
VIR_FREE(path);
free(path);
#endif /* LIBVIRT_NSS_GUEST */
}
@ -243,7 +245,7 @@ NSS_NAME(gethostbyname3)(const char *name, int af, struct hostent *result,
{
enum nss_status ret = NSS_STATUS_UNAVAIL;
char *r_name, **r_aliases, *r_addr, *r_addr_next, **r_addr_list;
VIR_AUTOFREE(leaseAddress *) addr = NULL;
leaseAddress *addr = NULL;
size_t naddr, i;
bool found = false;
size_t nameLen, need, idx = 0;
@ -259,6 +261,7 @@ NSS_NAME(gethostbyname3)(const char *name, int af, struct hostent *result,
af = AF_INET;
if ((r = findLease(name, af, &addr, &naddr, &found, errnop)) < 0) {
free(addr);
/* Error occurred. Return immediately. */
if (*errnop == EAGAIN) {
*herrnop = TRY_AGAIN;
@ -273,11 +276,13 @@ NSS_NAME(gethostbyname3)(const char *name, int af, struct hostent *result,
/* NOT found */
*errnop = ESRCH;
*herrnop = HOST_NOT_FOUND;
free(addr);
return NSS_STATUS_NOTFOUND;
} else if (!naddr) {
/* Found, but no data */
*errnop = ENXIO;
*herrnop = NO_DATA;
free(addr);
return NSS_STATUS_UNAVAIL;
}
@ -349,6 +354,7 @@ NSS_NAME(gethostbyname3)(const char *name, int af, struct hostent *result,
ret = NSS_STATUS_SUCCESS;
cleanup:
free(addr);
return ret;
}

5
tools/nss/libvirt_nss.h
View File

@ -30,13 +30,14 @@
#if 0
# include "virerror.h"
# include <errno.h>
# define ERROR(...) \
do { \
char ebuf[1024]; \
strerror_r(errno, ebuf, sizeof(ebuf)); \
fprintf(stderr, "ERROR %s:%d : ", __FUNCTION__, __LINE__); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, " : %s\n", virStrerror(errno, ebuf, sizeof(ebuf))); \
fprintf(stderr, " : %s\n", ebuf); \
fprintf(stderr, "\n"); \
} while (0)

6
tools/nss/libvirt_nss_leases.c
View File

@ -30,7 +30,6 @@
#include "libvirt_nss_leases.h"
#include "libvirt_nss.h"
#include "viralloc.h"
enum {
FIND_LEASES_STATE_START,
@ -79,6 +78,7 @@ appendAddr(const char *name ATTRIBUTE_UNUSED,
} sa;
unsigned char addr[16];
int err;
leaseAddress *newAddr;
DEBUG("IP address: %s", ipAddr);
@ -131,10 +131,12 @@ appendAddr(const char *name ATTRIBUTE_UNUSED,
}
}
if (VIR_REALLOC_N_QUIET(*tmpAddress, *ntmpAddress + 1) < 0) {
newAddr = realloc(*tmpAddress, sizeof(*newAddr) * (*ntmpAddress + 1));
if (!newAddr) {
ERROR("Out of memory");
return -1;
}
*tmpAddress = newAddr;
(*tmpAddress)[*ntmpAddress].expirytime = expirytime;
(*tmpAddress)[*ntmpAddress].af = family;