From a7f89980e5b3f4b9a74c70dbc5ffe8aabd28be28 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sun, 6 Jul 2014 18:04:32 +0200 Subject: Imported Upstream version 2.9.3 --- util/ipmi_port.c | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 util/ipmi_port.c (limited to 'util/ipmi_port.c') diff --git a/util/ipmi_port.c b/util/ipmi_port.c new file mode 100644 index 0000000..3dccf6a --- /dev/null +++ b/util/ipmi_port.c @@ -0,0 +1,146 @@ +/* + * ipmi_port.c + * Allocate the RMCP port (623.) with a bind so that port manager + * does not try to reuse it. Only needed for Linux. + * + * Note that the Intel dpcproxy service also uses port 623 to listen + * for incoming telnet/SOL clients, so we should not start ipmi_port + * if dpcproxy is running. + * + * Changes: + * 05/18/07 Andy Cress - created + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef TEST +#include "ipmicmd.h" +#endif + +#define RMCP_PORT 623 +static char * progver = "1.4"; /* program version */ +static char *progname = "ipmi_port"; /* program name */ +static int sockfd = 0; +static struct sockaddr_in _srcaddr; +static int interval = 20; /* num sec to wait, was 60 */ +static char fdebug = 0; + +static int mkdaemon(int fchdir, int fclose); +static int mkdaemon(int fchdir, int fclose) +{ + int fdlimit = sysconf(_SC_OPEN_MAX); /*fdlimit usu = 1024.*/ + int fd = 0; + int i; + + fdlimit = fileno(stderr); + switch (fork()) { + case 0: break; + case -1: return -1; + default: _exit(0); /* exit the original process */ + } + if (setsid() < 0) return -1; /* shouldn't fail */ + switch (fork()) { + case 0: break; + case -1: return -1; + default: _exit(0); + } + if (fchdir) i = chdir("/"); + if (fclose) { + /* Close stdin,stdout,stderr and replace them with /dev/null */ + for (fd = 0; fd < fdlimit; fd++) close(fd); + fd = open("/dev/null",O_RDWR); + i = dup(0); + i = dup(0); + } + return 0; +} + +static int open_rmcp_port(int port); +static int open_rmcp_port(int port) +{ + int rv; + + /* Open a socket binding to the RMCP port */ + rv = socket(AF_INET, SOCK_DGRAM, 0); + if (rv < 0) return (rv); + else sockfd = rv; + + memset(&_srcaddr, 0, sizeof(_srcaddr)); + _srcaddr.sin_family = AF_INET; + _srcaddr.sin_port = htons(port); + _srcaddr.sin_addr.s_addr = htonl(INADDR_ANY); + rv = bind(sockfd, (struct sockaddr *)&_srcaddr, sizeof(_srcaddr)); + if (rv < 0) { + printf("bind(%d,%d) error, rv = %d\n",port,INADDR_ANY,rv); + close(sockfd); + return (rv); + } + + return(rv); +} + +static void iport_cleanup(int sig) +{ + if (sockfd != 0) close(sockfd); + exit(EXIT_SUCCESS); +} + +/*int ipmi_port(int argc, char **argv) */ +int main(int argc, char **argv) +{ + int rv; + int c; + int background = 0; + struct sigaction sact; + + while ((c = getopt(argc, argv, "bx?")) != EOF) { + switch (c) { + case 'x': fdebug = 1; break; + case 'b': background = 1; break; + default: + printf("Usage: %s [-xb] (-b means background)\n",progname); + exit(1); + } + } + if (!background) + printf("%s ver %s\n", progname,progver); + + rv = open_rmcp_port(RMCP_PORT); + if (rv != 0) { + printf("open_rmcp_port(%d) failed, rv = %d\n",RMCP_PORT,rv); + exit(1); + } else if (!background) + printf("open_rmcp_port(%d) succeeded, sleeping\n",RMCP_PORT); + + /* convert to a daemon if background */ + if (background) { + rv = mkdaemon(1,1); + if (rv != 0) { + printf("%s: Cannot become daemon, rv = %d\n", progname,rv); + exit(1); + } + } + + /* handle signals for cleanup */ + sact.sa_handler = iport_cleanup; + sact.sa_flags = 0; + sigemptyset(&sact.sa_mask); + sigaction(SIGINT, &sact, NULL); + sigaction(SIGQUIT, &sact, NULL); + sigaction(SIGTERM, &sact, NULL); + + if (rv == 0) while(1) + { + sleep(interval); /*wait 60 seconds*/ + } + if (sockfd != 0) close(sockfd); + return(rv); +} + +/*end ipmi_port.c */ -- cgit v1.2.3