mini_snmpd: patches are now all merged upstream in 1.4-rc1
Signed-off-by: Luke McKee <hojuruku@gmail.com>
This commit is contained in:
parent
92a5a13aa0
commit
cfb086812a
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@ -1,218 +0,0 @@
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--- a/globals.c
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+++ b/globals.c
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@@ -27,9 +27,9 @@
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* Global variables
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*/
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-#ifdef __IPV4__
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const struct in_addr inaddr_any = { INADDR_ANY };
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-#endif
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+
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+int g_family = AF_INET;
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in_port_t g_udp_port = 161;
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in_port_t g_tcp_port = 161;
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--- a/mini_snmpd.c
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+++ b/mini_snmpd.c
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@@ -54,6 +54,10 @@ static void print_help(void)
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fprintf(stderr, "-d, --disks nnn set the disks to monitor (/)\n");
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fprintf(stderr, "-i, --interfaces nnn set the network interfaces to monitor (lo)\n");
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fprintf(stderr, "-I, --listen nnn set the network interface to listen (all)\n");
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+#ifdef __IPV6__
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+ fprintf(stderr, "-4, --ipv4 use IPv4 (default)\n");
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+ fprintf(stderr, "-6, --ipv6 use IPv6\n");
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+#endif
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fprintf(stderr, "-t, --timeout nnn set the timeout for MIB updates (1 second)\n");
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fprintf(stderr, "-a, --auth require authentication (thus SNMP version 2c)\n");
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fprintf(stderr, "-v, --verbose verbose syslog messages \n");
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@@ -117,7 +121,7 @@ static void handle_udp_client(void)
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#endif
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/* Call the protocol handler which will prepare the response packet */
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- inet_ntop(my_af_inet, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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if (snmp(&g_udp_client) == -1) {
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lprintf(LOG_WARNING, "could not handle packet from UDP client %s:%d: %m\n",
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straddr, sockaddr.my_sin_port);
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@@ -132,7 +136,7 @@ static void handle_udp_client(void)
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/* Send the whole UDP packet to the socket at once */
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rv = sendto(g_udp_sockfd, g_udp_client.packet, g_udp_client.size,
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MSG_DONTWAIT, (struct sockaddr *)&sockaddr, socklen);
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- inet_ntop(my_af_inet, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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if (rv == -1) {
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lprintf(LOG_WARNING, "could not send packet to UDP client %s:%d: %m\n",
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straddr, sockaddr.my_sin_port);
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@@ -176,7 +180,7 @@ static void handle_tcp_connect(void)
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}
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tmp_sockaddr.my_sin_addr = client->addr;
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tmp_sockaddr.my_sin_port = client->port;
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- inet_ntop(my_af_inet, &tmp_sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &tmp_sockaddr.my_sin_addr, straddr, sizeof(straddr));
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lprintf(LOG_WARNING, "maximum number of %d clients reached, kicking out %s:%d\n",
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MAX_NR_CLIENTS, straddr, tmp_sockaddr.my_sin_port);
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close(client->sockfd);
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@@ -190,7 +194,7 @@ static void handle_tcp_connect(void)
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}
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/* Now fill out the client control structure values */
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- inet_ntop(my_af_inet, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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lprintf(LOG_DEBUG, "connected TCP client %s:%d\n",
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straddr, sockaddr.my_sin_port);
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client->timestamp = time(NULL);
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@@ -211,7 +215,7 @@ static void handle_tcp_client_write(clie
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sockaddr.my_sin_addr = client->addr;
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sockaddr.my_sin_port = client->port;
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rv = send(client->sockfd, client->packet, client->size, 0);
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- inet_ntop(my_af_inet, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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if (rv == -1) {
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lprintf(LOG_WARNING, "could not send packet to TCP client %s:%d: %m\n",
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straddr, sockaddr.my_sin_port);
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@@ -246,7 +250,7 @@ static void handle_tcp_client_read(clien
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sockaddr.my_sin_port = client->port;
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rv = read(client->sockfd, client->packet + client->size,
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sizeof (client->packet) - client->size);
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- inet_ntop(my_af_inet, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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+ inet_ntop(g_family, &sockaddr.my_sin_addr, straddr, sizeof(straddr));
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if (rv == -1) {
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lprintf(LOG_WARNING, "could not read packet from TCP client %s:%d: %m\n",
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straddr, sockaddr.my_sin_port);
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@@ -304,7 +308,11 @@ static void handle_tcp_client_read(clien
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int main(int argc, char *argv[])
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{
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+#ifdef __IPV6__
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+ static const char short_options[] = "p:P:c:D:V:L:C:d:i:I:t:T:avl46h";
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+#else
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static const char short_options[] = "p:P:c:D:V:L:C:d:i:I:t:T:avlh";
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+#endif
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static const struct option long_options[] = {
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{ "udp-port", 1, 0, 'p' },
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{ "tcp-port", 1, 0, 'P' },
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@@ -316,6 +324,10 @@ int main(int argc, char *argv[])
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{ "disks", 1, 0, 'd' },
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{ "interfaces", 1, 0, 'i' },
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{ "listen", 1, 0, 'I' },
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+#ifdef __IPV6__
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+ { "ipv4", 0, 0, '4' },
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+ { "ipv6", 0, 0, '6' },
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+#endif
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{ "timeout", 1, 0, 't' },
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{ "traps", 1, 0, 'T' },
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{ "auth", 0, 0, 'a' },
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@@ -327,7 +339,12 @@ int main(int argc, char *argv[])
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int option_index = 1;
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int c;
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- struct my_sockaddr_t sockaddr;
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+ union {
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+ struct sockaddr_in sa;
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+#ifdef __IPV6__
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+ struct sockaddr_in6 sa6;
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+#endif
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+ } sockaddr;
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my_socklen_t socklen;
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struct timeval tv_last;
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struct timeval tv_now;
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@@ -396,6 +413,14 @@ int main(int argc, char *argv[])
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case 'v':
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g_verbose = 1;
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break;
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+#ifdef __IPV6__
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+ case '4':
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+ g_family = AF_INET;
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+ break;
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+ case '6':
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+ g_family = AF_INET6;
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+ break;
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+#endif
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case 'l':
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print_version();
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exit(EXIT_ARGS);
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@@ -435,15 +460,24 @@ int main(int argc, char *argv[])
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#endif
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/* Open the server's UDP port and prepare it for listening */
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- g_udp_sockfd = socket(my_pf_inet, SOCK_DGRAM, 0);
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+ g_udp_sockfd = socket((g_family == AF_INET) ? PF_INET : PF_INET6, SOCK_DGRAM, 0);
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if (g_udp_sockfd == -1) {
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lprintf(LOG_ERR, "could not create UDP socket: %m\n");
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exit(EXIT_SYSCALL);
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}
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- sockaddr.my_sin_family = my_af_inet;
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- sockaddr.my_sin_port = htons(g_udp_port);
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- sockaddr.my_sin_addr = my_inaddr_any;
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- socklen = sizeof (sockaddr);
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+ if (g_family == AF_INET) {
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+ sockaddr.sa.sin_family = g_family;
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+ sockaddr.sa.sin_port = htons(g_udp_port);
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+ sockaddr.sa.sin_addr = inaddr_any;
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+ socklen = sizeof(sockaddr.sa);
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+#ifdef __IPV6__
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+ } else {
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+ sockaddr.sa6.sin6_family = g_family;
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+ sockaddr.sa6.sin6_port = htons(g_udp_port);
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+ sockaddr.sa6.sin6_addr = in6addr_any;
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+ socklen = sizeof(sockaddr.sa6);
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+#endif
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+ }
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if (bind(g_udp_sockfd, (struct sockaddr *)&sockaddr, socklen) == -1) {
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lprintf(LOG_ERR, "could not bind UDP socket to port %d: %m\n", g_udp_port);
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exit(EXIT_SYSCALL);
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@@ -457,7 +491,7 @@ int main(int argc, char *argv[])
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}
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/* Open the server's TCP port and prepare it for listening */
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- g_tcp_sockfd = socket(my_pf_inet, SOCK_STREAM, 0);
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+ g_tcp_sockfd = socket((g_family == AF_INET) ? PF_INET : PF_INET6, SOCK_STREAM, 0);
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if (g_tcp_sockfd == -1) {
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lprintf(LOG_ERR, "could not create TCP socket: %m\n");
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exit(EXIT_SYSCALL);
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@@ -474,10 +508,19 @@ int main(int argc, char *argv[])
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lprintf(LOG_WARNING, "could not set SO_REUSEADDR on TCP socket: %m\n");
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exit(EXIT_SYSCALL);
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}
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- sockaddr.my_sin_family = my_af_inet;
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- sockaddr.my_sin_port = htons(g_tcp_port);
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- sockaddr.my_sin_addr = my_inaddr_any;
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- socklen = sizeof (sockaddr);
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+ if (g_family == AF_INET) {
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+ sockaddr.sa.sin_family = g_family;
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+ sockaddr.sa.sin_port = htons(g_udp_port);
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+ sockaddr.sa.sin_addr = inaddr_any;
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+ socklen = sizeof(sockaddr.sa);
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+#ifdef __IPV6__
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+ } else {
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+ sockaddr.sa6.sin6_family = g_family;
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+ sockaddr.sa6.sin6_port = htons(g_udp_port);
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+ sockaddr.sa6.sin6_addr = in6addr_any;
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+ socklen = sizeof(sockaddr.sa6);
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+#endif
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+ }
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if (bind(g_tcp_sockfd, (struct sockaddr *)&sockaddr, socklen) == -1) {
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lprintf(LOG_ERR, "could not bind TCP socket to port %d: %m\n", g_tcp_port);
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exit(EXIT_SYSCALL);
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--- a/mini_snmpd.h
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+++ b/mini_snmpd.h
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@@ -255,6 +255,7 @@ typedef struct demoinfo_s {
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extern in_port_t g_udp_port;
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extern in_port_t g_tcp_port;
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+extern int g_family;
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extern int g_timeout;
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extern int g_auth;
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extern int g_verbose;
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@@ -265,9 +266,9 @@ extern char *g_vendor;
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extern char *g_location;
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extern char *g_contact;
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extern char *g_bind_to_device;
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-#ifdef __IPV4__
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+
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extern const struct in_addr inaddr_any;
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-#endif
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+
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extern char *g_disk_list[MAX_NR_DISKS];
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extern int g_disk_list_length;
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@ -1,14 +0,0 @@
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--- a/Makefile
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+++ b/Makefile
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@@ -32,9 +32,9 @@ HEADERS = mini_snmpd.h
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SOURCES = mini_snmpd.c protocol.c mib.c globals.c utils.c linux.c freebsd.c
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VERSION = 1.2b
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VENDOR = .1.3.6.1.4.1
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-OFLAGS = -O2 -DDEBUG -g
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+OFLAGS = -O2
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CFLAGS = -Wall -Werror -DVERSION="\"$(VERSION)\"" -DVENDOR="\"$(VENDOR)\"" \
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- $(OFLAGS) -D__TRAPS__ -D__LINUX__ -D__IPV6__
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+ $(OFLAGS) -D__TRAPS__ -D__LINUX__
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LDFLAGS = $(OFLAGS)
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TARGET = mini_snmpd
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MAN = mini_snmpd.8
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@ -1,34 +0,0 @@
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--- a/mib.c
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+++ b/mib.c
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@@ -290,6 +290,7 @@ static int mib_build_entry(const oid_t *
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value->data.max_length = sizeof (int) + 2;
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value->data.encoded_length = 0;
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value->data.buffer = malloc(value->data.max_length);
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+ memset(value->data.buffer, 0, value->data.max_length);
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if (encode_snmp_element_integer(value, (int)default_value) == -1) {
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return -1;
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}
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@@ -298,6 +299,7 @@ static int mib_build_entry(const oid_t *
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value->data.max_length = strlen((const char *)default_value) + 4;
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value->data.encoded_length = 0;
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value->data.buffer = malloc(value->data.max_length);
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+ memset(value->data.buffer, 0, value->data.max_length);
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if (encode_snmp_element_string(value, (const char *)default_value) == -1) {
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return -1;
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}
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@@ -306,6 +308,7 @@ static int mib_build_entry(const oid_t *
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value->data.max_length = MAX_NR_SUBIDS * 5 + 4;
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value->data.encoded_length = 0;
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value->data.buffer = malloc(value->data.max_length);
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+ memset(value->data.buffer, 0, value->data.max_length);
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if (encode_snmp_element_oid(value, oid_aton((const char *)default_value)) == -1) {
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return -1;
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}
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@@ -316,6 +319,7 @@ static int mib_build_entry(const oid_t *
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value->data.max_length = sizeof (unsigned int) + 2;
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value->data.encoded_length = 0;
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value->data.buffer = malloc(value->data.max_length);
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+ memset(value->data.buffer, 0, value->data.max_length);
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if (encode_snmp_element_unsigned(value, type, (unsigned int)default_value) == -1) {
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return -1;
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}
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@ -1,21 +0,0 @@
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--- a/mib.c
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+++ b/mib.c
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@@ -120,6 +120,9 @@ static int encode_snmp_element_oid(value
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int length;
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int i;
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+ if (oid_value == NULL) {
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+ return -1;
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+ }
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buffer = value->data.buffer;
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length = 1;
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for (i = 2; i < oid_value->subid_list_length; i++) {
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@@ -310,6 +313,8 @@ static int mib_build_entry(const oid_t *
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value->data.buffer = malloc(value->data.max_length);
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memset(value->data.buffer, 0, value->data.max_length);
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if (encode_snmp_element_oid(value, oid_aton((const char *)default_value)) == -1) {
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+ lprintf(LOG_ERR, "could not create MIB entry '%s.%d.%d': invalid oid '%s'\n",
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+ oid_ntoa(prefix), column, row, (char *)default_value);
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return -1;
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}
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break;
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@ -1,11 +0,0 @@
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--- a/mini_snmpd.c
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+++ b/mini_snmpd.c
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@@ -443,7 +443,7 @@ int main(int argc, char *argv[])
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/* Store the starting time since we need it for MIB updates */
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if (gettimeofday(&tv_last, NULL) == -1) {
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memset(&tv_last, 0, sizeof (tv_last));
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- memset(&tv_sleep, 0, sizeof (&tv_sleep));
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+ memset(&tv_sleep, 0, sizeof (tv_sleep));
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} else {
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tv_sleep.tv_sec = g_timeout / 100;
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tv_sleep.tv_usec = (g_timeout % 100) * 10000;
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