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util: Add option not to report errors in virGetUserEnt 

In some cases it will be necessary to ignore errors reported from this
function. This allows suppressing them to avoid spamming logs.
This commit is contained in:
Peter Krempa 2016-06-17 13:54:52 +02:00
parent e29f557515
commit c674dcccf1
1 changed files with 14 additions and 6 deletions
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20
src/util/virutil.c
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@ -755,9 +755,10 @@ virGetUserDirectory(void)
#ifdef HAVE_GETPWUID_R
/* Look up fields from the user database for the given user. On
* error, set errno, report the error, and return -1. */
* error, set errno, report the error if not instructed otherwise via @quiet,
* and return -1. */
static int
virGetUserEnt(uid_t uid, char **name, gid_t *group, char **dir, char **shell)
virGetUserEnt(uid_t uid, char **name, gid_t *group, char **dir, char **shell, bool quiet)
{
char *strbuf;
struct passwd pwbuf;
@ -792,12 +793,19 @@ virGetUserEnt(uid_t uid, char **name, gid_t *group, char **dir, char **shell)
if (VIR_RESIZE_N(strbuf, strbuflen, strbuflen, strbuflen) < 0)
goto cleanup;
}
if (rc != 0) {
if (quiet)
goto cleanup;
virReportSystemError(rc,
_("Failed to find user record for uid '%u'"),
(unsigned int) uid);
goto cleanup;
} else if (pw == NULL) {
if (quiet)
goto cleanup;
virReportError(VIR_ERR_SYSTEM_ERROR,
_("Failed to find user record for uid '%u'"),
(unsigned int) uid);
@ -882,7 +890,7 @@ char *
virGetUserDirectoryByUID(uid_t uid)
{
char *ret;
virGetUserEnt(uid, NULL, NULL, &ret, NULL);
virGetUserEnt(uid, NULL, NULL, &ret, NULL, false);
return ret;
}
@ -890,7 +898,7 @@ virGetUserDirectoryByUID(uid_t uid)
char *virGetUserShell(uid_t uid)
{
char *ret;
virGetUserEnt(uid, NULL, NULL, NULL, &ret);
virGetUserEnt(uid, NULL, NULL, NULL, &ret, false);
return ret;
}
@ -940,7 +948,7 @@ char *virGetUserRuntimeDirectory(void)
char *virGetUserName(uid_t uid)
{
char *ret;
virGetUserEnt(uid, &ret, NULL, NULL, NULL);
virGetUserEnt(uid, &ret, NULL, NULL, NULL, false);
return ret;
}
@ -1126,7 +1134,7 @@ virGetGroupList(uid_t uid, gid_t gid, gid_t **list)
if (uid == (uid_t)-1)
return 0;
if (virGetUserEnt(uid, &user, &primary, NULL, NULL) < 0)
if (virGetUserEnt(uid, &user, &primary, NULL, NULL, false) < 0)
return -1;
ret = mgetgroups(user, primary, list);