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uri: convert to typesafe virConf accessors

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Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-07-08 13:52:26 +01:00
parent 571bced207
commit b8b31acdf6
1 changed files with 19 additions and 29 deletions
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48
src/util/viruri.c
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@ -320,55 +320,40 @@ void virURIFree(virURIPtr uri)
#define URI_ALIAS_CHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-"
static int
virURIFindAliasMatch(virConfValuePtr value, const char *alias,
virURIFindAliasMatch(char *const*aliases, const char *alias,
char **uri)
{
virConfValuePtr entry;
size_t alias_len;
if (value->type != VIR_CONF_LIST) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Expected a list for 'uri_aliases' config parameter"));
return -1;
}
entry = value->list;
alias_len = strlen(alias);
while (entry) {
while (*aliases) {
char *offset;
size_t safe;
if (entry->type != VIR_CONF_STRING) {
virReportError(VIR_ERR_CONF_SYNTAX, "%s",
_("Expected a string for 'uri_aliases' config "
"parameter list entry"));
return -1;
}
if (!(offset = strchr(entry->str, '='))) {
if (!(offset = strchr(*aliases, '='))) {
virReportError(VIR_ERR_CONF_SYNTAX,
_("Malformed 'uri_aliases' config entry '%s', "
"expected 'alias=uri://host/path'"), entry->str);
"expected 'alias=uri://host/path'"), *aliases);
return -1;
}
safe = strspn(entry->str, URI_ALIAS_CHARS);
if (safe < (offset - entry->str)) {
safe = strspn(*aliases, URI_ALIAS_CHARS);
if (safe < (offset - *aliases)) {
virReportError(VIR_ERR_CONF_SYNTAX,
_("Malformed 'uri_aliases' config entry '%s', "
"aliases may only contain 'a-Z, 0-9, _, -'"),
entry->str);
*aliases);
return -1;
}
if (alias_len == (offset - entry->str) &&
STREQLEN(entry->str, alias, alias_len)) {
if (alias_len == (offset - *aliases) &&
STREQLEN(*aliases, alias, alias_len)) {
VIR_DEBUG("Resolved alias '%s' to '%s'",
alias, offset+1);
return VIR_STRDUP(*uri, offset+1);
}
entry = entry->next;
aliases++;
}
VIR_DEBUG("No alias found for '%s', continuing...",
@ -392,14 +377,19 @@ int
virURIResolveAlias(virConfPtr conf, const char *alias, char **uri)
{
int ret = -1;
virConfValuePtr value = NULL;
char **aliases = NULL;
*uri = NULL;
if ((value = virConfGetValue(conf, "uri_aliases")))
ret = virURIFindAliasMatch(value, alias, uri);
else
if (virConfGetValueStringList(conf, "uri_aliases", false, &aliases) < 0)
return -1;
if (aliases && *aliases) {
ret = virURIFindAliasMatch(aliases, alias, uri);
virStringFreeList(aliases);
} else {
ret = 0;
}
return ret;
}