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Diffstat (limited to 'ipsvd')
-rw-r--r--ipsvd/ipsvd_perhost.c19
-rw-r--r--ipsvd/ipsvd_perhost.h14
-rw-r--r--ipsvd/tcpsvd.c6
-rw-r--r--ipsvd/udpsvd.c9
4 files changed, 32 insertions, 16 deletions
diff --git a/ipsvd/ipsvd_perhost.c b/ipsvd/ipsvd_perhost.c
index 1c5c12a..281f708 100644
--- a/ipsvd/ipsvd_perhost.c
+++ b/ipsvd/ipsvd_perhost.c
@@ -22,26 +22,26 @@ void ipsvd_perhost_init(unsigned c)
cclen = c;
}
-unsigned ipsvd_perhost_add(const char *ip, unsigned maxconn, struct hcc **hccpp)
+unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp)
{
unsigned i;
unsigned conn = 1;
- int p = -1;
+ int freepos = -1;
for (i = 0; i < cclen; ++i) {
- if (cc[i].ip[0] == 0) {
- if (p == -1) p = i;
+ if (!cc[i].ip) {
+ freepos = i;
continue;
}
- if (strncmp(cc[i].ip, ip, sizeof(cc[i].ip)) == 0) {
+ if (strcmp(cc[i].ip, ip) == 0) {
conn++;
continue;
}
}
- if (p == -1) return 0;
+ if (freepos == -1) return 0;
if (conn <= maxconn) {
- strcpy(cc[p].ip, ip);
- *hccpp = &cc[p];
+ cc[freepos].ip = ip;
+ *hccpp = &cc[freepos];
}
return conn;
}
@@ -51,7 +51,8 @@ void ipsvd_perhost_remove(int pid)
unsigned i;
for (i = 0; i < cclen; ++i) {
if (cc[i].pid == pid) {
- cc[i].ip[0] = 0;
+ free(cc[i].ip);
+ cc[i].ip = NULL;
cc[i].pid = 0;
return;
}
diff --git a/ipsvd/ipsvd_perhost.h b/ipsvd/ipsvd_perhost.h
index 26b4063..cf08000 100644
--- a/ipsvd/ipsvd_perhost.h
+++ b/ipsvd/ipsvd_perhost.h
@@ -8,12 +8,22 @@
*/
struct hcc {
- char ip[32 - sizeof(int)];
+ char *ip;
int pid;
};
void ipsvd_perhost_init(unsigned);
-unsigned ipsvd_perhost_add(const char *ip, unsigned maxconn, struct hcc **hccpp);
+
+/* Returns number of already opened connects to this ips, including this one.
+ * ip should be a malloc'ed ptr.
+ * If return value is <= maxconn, ip is inserted into the table
+ * and pointer to table entry if stored in *hccpp
+ * (useful for storing pid later).
+ * Else ip is NOT inserted (you must take care of it - free() etc) */
+unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp);
+
+/* Finds and frees element with pid */
void ipsvd_perhost_remove(int pid);
+
//unsigned ipsvd_perhost_setpid(int pid);
//void ipsvd_perhost_free(void);
diff --git a/ipsvd/tcpsvd.c b/ipsvd/tcpsvd.c
index 197edca..98234a7 100644
--- a/ipsvd/tcpsvd.c
+++ b/ipsvd/tcpsvd.c
@@ -128,8 +128,8 @@ int tcpsvd_main(int argc, char **argv)
uint16_t remote_port;
char *local_hostname = NULL;
char *remote_hostname = (char*)""; /* "" used if no -h */
- char *local_ip = local_ip;
- char *remote_ip = NULL;
+ char *local_ip = local_ip; /* gcc */
+ char *remote_ip = remote_ip; /* gcc */
//unsigned iscdb = 0; /* = option_mask32 & OPT_x (TODO) */
//unsigned long timeout = 0;
#ifndef SSLSVD
@@ -271,10 +271,10 @@ int tcpsvd_main(int argc, char **argv)
if (max_per_host) {
/* we drop connection immediately if cur_per_host > max_per_host
* (minimizing load under SYN flood) */
- free(remote_ip);
remote_ip = xmalloc_sockaddr2dotted_noport(&sock_adr.sa, sockadr_size);
cur_per_host = ipsvd_perhost_add(remote_ip, max_per_host, &hccp);
if (cur_per_host > max_per_host) {
+ free(remote_ip);
/* ipsvd_perhost_add detected that max is exceeded
* (and did not store us in connection table) */
if (msg_per_host) {
diff --git a/ipsvd/udpsvd.c b/ipsvd/udpsvd.c
index b3f6082..06c4f2e 100644
--- a/ipsvd/udpsvd.c
+++ b/ipsvd/udpsvd.c
@@ -42,9 +42,9 @@ int udpsvd_main(int argc, char **argv)
// unsigned long timeout = 0;
char *remote_hostname;
- char *local_hostname;
+ char *local_hostname = local_hostname; /* gcc */
char *remote_ip;
- char *local_ip;
+ char *local_ip = local_ip; /* gcc */
uint16_t local_port, remote_port;
union {
struct sockaddr sa;
@@ -145,6 +145,11 @@ int udpsvd_main(int argc, char **argv)
/* if (recvfrom(sock, 0, 0, MSG_PEEK, (struct sockaddr *)&sock_adr, &sockadr_size) == -1)
drop("unable to read from socket");
*/
+ if (verbose) {
+ local_ip = argv[0]; // TODO: recv_from_to!
+ local_hostname = (char*)"localhost";
+ }
+
remote_ip = xmalloc_sockaddr2dotted_noport(&sock_adr.sa, sockadr_size);
remote_port = get_nport(&sock_adr.sa);
remote_port = ntohs(remote_port);