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-rw-r--r--toys/pending/syslogd.c181
1 files changed, 68 insertions, 113 deletions
diff --git a/toys/pending/syslogd.c b/toys/pending/syslogd.c
index ce744c02..de37e16a 100644
--- a/toys/pending/syslogd.c
+++ b/toys/pending/syslogd.c
@@ -74,6 +74,26 @@ struct logfile {
struct sockaddr_in saddr;
};
+// Lookup numerical code from name
+// Also used in logger
+int logger_lookup(int where, char *key)
+{
+ CODE *w = ((CODE *[]){facilitynames, prioritynames})[where];
+
+ for (; w->c_name; w++)
+ if (!strcasecmp(key, w->c_name)) return w->c_val;
+
+ return -1;
+}
+
+//search the given name and return its value
+static char *dec(int val, CODE *clist)
+{
+ for (; clist->c_name; clist++)
+ if (val == clist->c_val) return clist->c_name;
+ return itoa(val);
+}
+
// Adds opened socks to rfds for select()
static int addrfds(void)
{
@@ -142,81 +162,52 @@ static struct arg_list *get_file_node(char *filename, struct arg_list *list)
*/
static int resolve_config(struct logfile *file)
{
- char *tk, *fac, *lvl, *tmp, *nfac;
- int count = 0;
- unsigned facval = 0;
- uint8_t set, levval, neg;
- CODE *val = NULL;
+ char *tk, *tmp = xstrdup(file->config);
- tmp = xstrdup(file->config);
for (tk = strtok(tmp, "; \0"); tk; tk = strtok(NULL, "; \0")) {
- fac = tk;
+ char *fac = tk, *lvl;
+ int i = 0;
+ unsigned facval = 0;
+ uint8_t set, levval, bits = 0;
+
tk = strchr(fac, '.');
if (!tk) return -1;
*tk = '\0';
lvl = tk + 1;
- while(1) {
- count = 0;
+ for (;;) {
+ char *nfac = strchr(fac, ',');
+
+ if (nfac) *nfac = '\0';
if (*fac == '*') {
facval = 0xFFFFFFFF;
- fac++;
- }
- nfac = strchr(fac, ',');
- if (nfac) *nfac = '\0';
- while (*fac && ((CODE*) &facilitynames[count])->c_name) {
- val = (CODE*) &facilitynames[count];
- if (!strcmp(fac, val->c_name)) {
- facval |= (1<<LOG_FAC(val->c_val));
- break;
- }
- count++;
+ if (fac[1]) return -1;
+ } else {
+ if ((i = logger_lookup(0, fac)) == -1) return -1;
+ facval |= (1 << LOG_FAC(i));
}
- if (((CODE*) &facilitynames[count])->c_val == -1)
- return -1;
-
- if (nfac) fac = nfac+1;
+ if (nfac) fac = nfac + 1;
else break;
}
- count = 0;
- set = 0;
levval = 0;
- neg = 0;
- if (*lvl == '!') {
- neg = 1;
- lvl++;
- }
- if (*lvl == '=') {
- set = 1;
- lvl++;
- }
- if (*lvl == '*') {
- levval = 0xFF;
- lvl++;
- }
- while (*lvl && ((CODE*) &prioritynames[count])->c_name) {
- val = (CODE*) &prioritynames[count];
- if (!strcmp(lvl, val->c_name)) {
- levval |= set ? LOG_MASK(val->c_val):LOG_UPTO(val->c_val);
- if (neg) levval = ~levval;
- break;
+ for (tk = "!=*"; tk; tk++, bits <<= 1) {
+ if (*lvl == *tk) {
+ bits++;
+ lvl++;
}
- count++;
- }
- if (((CODE*) &prioritynames[count])->c_val == -1) return -1;
-
- count = 0;
- set = levval;
- while(set) {
- if (set & 0x1) file->facility[count] |= facval;
- set >>= 1;
- count++;
}
- for (count = 0; count < LOG_NFACILITIES; count++) {
- if (facval & 0x1) file->level[count] |= levval;
- facval >>= 1;
+ if (bits & 1) levval = 0xff;
+ if (lvl) {
+ if ((i = logger_lookup(1, lvl)) == -1) return -1;
+ levval |= (bits & 2) ? LOG_MASK(i) : LOG_UPTO(i);
+ if (bits & 4) levval = ~levval;
}
+
+ for (i = 0, set = levval; set; set >>= 1, i++)
+ if (set & 0x1) file->facility[i] |= facval;
+ for (i = 0; i < LOG_NFACILITIES; facval >>= 1, i++)
+ if (facval & 0x1) file->level[i] |= levval;
}
free(tmp);
@@ -227,9 +218,10 @@ static int resolve_config(struct logfile *file)
static int parse_config_file(void)
{
struct logfile *file;
- FILE *fp = NULL;
+ FILE *fp;
char *confline = NULL, *tk = NULL, *tokens[2] = {NULL, NULL};
- int len, linelen, tcount, lineno = 0;
+ int len, tcount, lineno = 0;
+ size_t linelen;
struct arg_list *node;
/*
* if -K then open only /dev/kmsg
@@ -253,18 +245,18 @@ static int parse_config_file(void)
* files are neglected thus no need to
* open config either so just return.
*/
- if (toys.optflags & FLAG_R) {
- node = xzalloc(sizeof(struct arg_list));
- file = xzalloc(sizeof(struct logfile));
- file->filename = xmsprintf("@%s",TT.remote_log);
- file->isNetwork = 1;
- file->config = "*.*";
- memset(file->level, 0xFF, sizeof(file->level));
- memset(file->facility, 0xFFFFFFFF, sizeof(file->facility));
- node->arg = (char*) file;
- TT.lfiles = node;
- if (!(toys.optflags & FLAG_L))return 0;
- }
+ if (toys.optflags & FLAG_R) {
+ node = xzalloc(sizeof(struct arg_list));
+ file = xzalloc(sizeof(struct logfile));
+ file->filename = xmsprintf("@%s",TT.remote_log);
+ file->isNetwork = 1;
+ file->config = "*.*";
+ memset(file->level, 0xFF, sizeof(file->level));
+ memset(file->facility, 0xFFFFFFFF, sizeof(file->facility));
+ node->arg = (char*) file;
+ TT.lfiles = node;
+ if (!(toys.optflags & FLAG_L)) return 0;
+ }
/*
* Read config file and add logfiles to the list
* with their configuration.
@@ -274,7 +266,7 @@ static int parse_config_file(void)
perror_exit("can't open '%s'", TT.config_file);
for (len = 0, linelen = 0; fp;) {
- len = getline(&confline, (size_t*) &linelen, fp);
+ len = getline(&confline, &linelen, fp);
if (len <= 0) break;
lineno++;
for (; *confline == ' '; confline++, len--) ;
@@ -334,18 +326,13 @@ static int parse_config_file(void)
file = xzalloc(sizeof(struct logfile));
file->filename = (toys.optflags & FLAG_O) ?
TT.logfile : "/var/log/messages"; //DEFLOGFILE
- file->isNetwork = 0;
file->config = "*.*";
memset(file->level, 0xFF, sizeof(file->level));
memset(file->facility, 0xFFFFFFFF, sizeof(file->facility));
node->arg = (char*) file;
node->next = TT.lfiles;
TT.lfiles = node;
- }
- if (fp) {
- fclose(fp);
- fp = NULL;
- }
+ } else fclose(fp);
return 0;
}
@@ -424,39 +411,6 @@ static int write_rotate(struct logfile *tf, int len)
return write(tf->logfd, toybuf, len);
}
-// Lookup numerical code from name
-// Only used in logger
-int logger_lookup(int where, char *key)
-{
- CODE *w = ((CODE *[]){facilitynames, prioritynames})[where];
-
- for (; w->c_name; w++)
- if (!strcasecmp(key, w->c_name)) return w->c_val;
-
- return -1;
-}
-
-//search the given name and return its value
-static char *dec(int val, CODE *clist)
-{
- const CODE *c;
-
- for (c = clist; c->c_name; c++)
- if (val == c->c_val) return c->c_name;
- return itoa(val);
-}
-
-// Compute priority from "facility.level" pair
-static void priority_to_string(int pri, char **facstr, char **lvlstr)
-{
- int fac,lev;
-
- fac = LOG_FAC(pri);
- lev = LOG_PRI(pri);
- *facstr = dec(fac<<3, facilitynames);
- *lvlstr = dec(lev, prioritynames);
-}
-
//Parse messege and write to file.
static void logmsg(char *msg, int len)
{
@@ -491,7 +445,8 @@ static void logmsg(char *msg, int len)
if (toys.optflags & FLAG_K) len = sprintf(toybuf, "<%d> %s\n", pri, msg);
else {
- priority_to_string(pri, &facstr, &lvlstr);
+ facstr = dec(LOG_FAC(pri), facilitynames);
+ lvlstr = dec(LOG_PRI(pri), prioritynames);
p = "local";
if (!uname(&uts)) p = uts.nodename;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 04:15:04 +0000