static enum nss_status
internal_setgrent (ent_t *ent)
{
enum nss_status status = NSS_STATUS_SUCCESS;
ent->files = TRUE;
if (ni == NULL)
init_nss_interface ();
if (ent->blacklist.data != NULL)
{
ent->blacklist.current = 1;
ent->blacklist.data[0] = '|';
ent->blacklist.data[1] = '\0';
}
else
ent->blacklist.current = 0;
ent->stream = fopen ("/etc/group", "rm");
if (ent->stream == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
else
{
/* We have to make sure the file is `closed on exec'. */
int result, flags;
result = flags = fcntl (fileno_unlocked (ent->stream), F_GETFD, 0);
if (result >= 0)
{
flags |= FD_CLOEXEC;
result = fcntl (fileno_unlocked (ent->stream), F_SETFD, flags);
}
if (result < 0)
{
/* Something went wrong. Close the stream and return a
failure. */
fclose (ent->stream);
ent->stream = NULL;
status = NSS_STATUS_UNAVAIL;
}
else
/* We take care of locking ourself. */
__fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
}
return status;
}
void ConfigurationLoad(const char *config_file){
#define SET_CONFIGURATION_VALUE() ({SetConfig(key,value); \
free(key); \
free(value); \
key=malloc(sizeof(char)); \
*key=0; \
value=malloc(sizeof(char)); \
*value=0;})
FILE *f=fopen(config_file,"r");
if(!f){
perror("ConfigurationLoad");
exit(1);
}
int fd=fileno_unlocked(f);
fcntl(fd, F_SETFD, fcntl(fd, F_GETFL, 0)|FD_CLOEXEC);
char ch=fgetc(f);
char state=CONFIG_STATE_KEY;
char *key=malloc(sizeof(char));
*key=0;
char *value=malloc(sizeof(char));
*key=0;
while(ch && ch!=EOF){
if(ch=='\n'){
SET_CONFIGURATION_VALUE();
state=CONFIG_STATE_KEY;
}else if(ch=='#'){
state=CONFIG_STATE_COMMENT;
}else if(state==CONFIG_STATE_KEY){
if(ch==':'){
state=CONFIG_STATE_VALUE;
}else{
StrAppend(&key,ch);
}
}else if(state==CONFIG_STATE_VALUE){
if(ch=='\\'){
ch=fgetc(f);
if(ch!=EOF && ch!='\0')
StrAppend(&value, ch);
}else if(ch=='$'){
char *env_key=malloc(sizeof(char));
*env_key=0;
while((ch=fgetc(f)) && ch!=EOF && (isalnum(ch)||ch=='_')){
StrAppend(&env_key,ch);
}
ungetc(ch,f);
for(char *env_value=getenv(env_key);*env_value;env_value++){
StrAppend(&value,*env_value);
}
free(env_key);
}else if(ch=='`'){
char *cmd=calloc(1,1);
while((ch=fgetc(f)) && ch!=EOF && ch!='`'){
if(ch=='\\')
StrAppend(&cmd, fgetc(f));
else
StrAppend(&cmd, ch);
}
AddCmdToValue(&value, cmd);
free(cmd);
}else{
StrAppend(&value,ch);
}
}
ch=fgetc(f);
}
if(state==CONFIG_STATE_VALUE){
SET_CONFIGURATION_VALUE();
}
free(key);
free(value);
}
