/*
* Log the query to a file.
*/
void rlm_sql_query_log(rlm_sql_t *inst, REQUEST *request,
sql_acct_section_t *section, char const *query)
{
int fd;
char const *filename = NULL;
char *expanded = NULL;
size_t len;
bool failed = false; /* Write the log message outside of the critical region */
if (section) {
filename = section->logfile;
} else {
filename = inst->config->logfile;
}
if (!filename) {
return;
}
if (radius_axlat(&expanded, request, filename, NULL, NULL) < 0) {
return;
}
fd = fr_logfile_open(inst->lf, filename, 0640);
if (fd < 0) {
ERROR("rlm_sql (%s): Couldn't open logfile '%s': %s", inst->config->xlat_name,
expanded, fr_syserror(errno));
talloc_free(expanded);
return;
}
len = strlen(query);
if ((write(fd, query, len) < 0) || (write(fd, ";\n", 2) < 0)) {
failed = true;
}
if (failed) {
ERROR("rlm_sql (%s): Failed writing to logfile '%s': %s", inst->config->xlat_name, expanded,
fr_syserror(errno));
}
talloc_free(expanded);
fr_logfile_close(inst->lf, fd);
}
static rlm_rcode_t do_linelog(void *instance, REQUEST *request)
{
int fd = -1;
char buffer[4096];
char *p;
char line[1024];
rlm_linelog_t *inst = (rlm_linelog_t*) instance;
char const *value = inst->line;
#ifdef HAVE_GRP_H
gid_t gid;
struct group *grp;
char *endptr;
#endif
if (inst->reference) {
CONF_ITEM *ci;
CONF_PAIR *cp;
p = line + 1;
if (radius_xlat(p, sizeof(line) - 2, request, inst->reference, linelog_escape_func,
NULL) < 0) {
return RLM_MODULE_FAIL;
}
line[0] = '.'; /* force to be in current section */
/*
* Don't allow it to go back up
*/
if (line[1] == '.') goto do_log;
ci = cf_reference_item(NULL, inst->cs, line);
if (!ci) {
RDEBUG2("No such entry \"%s\"", line);
return RLM_MODULE_NOOP;
}
if (!cf_item_is_pair(ci)) {
RDEBUG2("Entry \"%s\" is not a variable assignment ", line);
goto do_log;
}
cp = cf_itemtopair(ci);
value = cf_pair_value(cp);
if (!value) {
RDEBUG2("Entry \"%s\" has no value", line);
goto do_log;
}
/*
* Value exists, but is empty. Don't log anything.
*/
if (!*value) return RLM_MODULE_OK;
}
do_log:
/*
* FIXME: Check length.
*/
if (strcmp(inst->filename, "syslog") != 0) {
if (radius_xlat(buffer, sizeof(buffer), request, inst->filename, NULL, NULL) < 0) {
return RLM_MODULE_FAIL;
}
/* check path and eventually create subdirs */
p = strrchr(buffer,'/');
if (p) {
*p = '\0';
if (rad_mkdir(buffer, 0700) < 0) {
RERROR("rlm_linelog: Failed to create directory %s: %s", buffer, fr_syserror(errno));
return RLM_MODULE_FAIL;
}
*p = '/';
}
fd = fr_logfile_open(inst->lf, buffer, inst->permissions);
if (fd == -1) {
ERROR("rlm_linelog: Failed to open %s: %s",
buffer, fr_syserror(errno));
return RLM_MODULE_FAIL;
}
#ifdef HAVE_GRP_H
if (inst->group != NULL) {
gid = strtol(inst->group, &endptr, 10);
if (*endptr != '\0') {
grp = getgrnam(inst->group);
if (!grp) {
RDEBUG2("Unable to find system group \"%s\"", inst->group);
goto skip_group;
}
gid = grp->gr_gid;
}
if (chown(buffer, -1, gid) == -1) {
RDEBUG2("Unable to change system group of \"%s\"", buffer);
}
}
#endif
}
skip_group:
/*
* FIXME: Check length.
*/
if (radius_xlat(line, sizeof(line) - 1, request, value, linelog_escape_func, NULL) < 0) {
if (fd > -1) {
fr_logfile_close(inst->lf, fd);
}
return RLM_MODULE_FAIL;
}
if (fd >= 0) {
strcat(line, "\n");
if (write(fd, line, strlen(line)) < 0) {
EDEBUG("rlm_linelog: Failed writing: %s", fr_syserror(errno));
fr_logfile_close(inst->lf, fd);
return RLM_MODULE_FAIL;
}
fr_logfile_close(inst->lf, fd);
#ifdef HAVE_SYSLOG_H
} else {
syslog(inst->facility, "%s", line);
#endif
}
return RLM_MODULE_OK;
}