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author | Rainer Gerhards <rgerhards@adiscon.com> | 2007-12-26 16:59:53 +0000 |
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committer | Rainer Gerhards <rgerhards@adiscon.com> | 2007-12-26 16:59:53 +0000 |
commit | 94a4673a148b3ef678849f240a16ee3b006d4ae9 (patch) | |
tree | 50a4e3831f02a2c8be44669b79cb939f21015ce2 /net.c | |
parent | 002c04988d4430013496c4cab75e1f024421a45c (diff) | |
download | rsyslog-94a4673a148b3ef678849f240a16ee3b006d4ae9.tar.gz rsyslog-94a4673a148b3ef678849f240a16ee3b006d4ae9.tar.xz rsyslog-94a4673a148b3ef678849f240a16ee3b006d4ae9.zip |
removed omfwd code dependency on finet
Diffstat (limited to 'net.c')
-rw-r--r-- | net.c | 66 |
1 files changed, 38 insertions, 28 deletions
@@ -840,34 +840,42 @@ finalize_it: /* closes the UDP listen sockets (if they exist) and frees * all dynamically assigned memory. */ -void closeUDPListenSockets() +void closeUDPListenSockets(int *pSockArr) { register int i; dbgprintf("in closeUDPListenSockets()\n"); - if(finet != NULL) { - for (i = 0; i < *finet; i++) - close(finet[i+1]); - free(finet); - finet = NULL; + assert(pSockArr != NULL); + if(pSockArr != NULL) { + for (i = 0; i < *pSockArr; i++) + close(pSockArr[i+1]); + free(pSockArr); + pSockArr = NULL; } } /* creates the UDP listen sockets + * hostname and/or LogPort may be NULL, but not both! + * bIsServer indicates if a server socket should be created + * 1 - server, 0 - client */ -int *create_udp_socket(uchar *LogPort) +int *create_udp_socket(uchar *hostname, uchar *LogPort, int bIsServer) { struct addrinfo hints, *res, *r; int error, maxs, *s, *socks, on = 1; int sockflags; - assert(LogPort != NULL); +dbgprintf("create_udp_socket('%s', '%s', %d);\n", hostname, LogPort, bIsServer); + assert(!((LogPort == NULL) && (hostname == NULL))); memset(&hints, 0, sizeof(hints)); - hints.ai_flags = AI_PASSIVE | AI_NUMERICSERV; + if(bIsServer) + hints.ai_flags = AI_PASSIVE | AI_NUMERICSERV; + else + hints.ai_flags = AI_NUMERICSERV; hints.ai_family = family; hints.ai_socktype = SOCK_DGRAM; - error = getaddrinfo(NULL, (char*) LogPort, &hints, &res); + error = getaddrinfo((char*) hostname, (char*) LogPort, &hints, &res); if(error) { logerror((char*) gai_strerror(error)); logerror("UDP message reception disabled due to error logged in last message.\n"); @@ -891,7 +899,7 @@ int *create_udp_socket(uchar *LogPort) if (*s < 0) { if(!(r->ai_family == PF_INET6 && errno == EAFNOSUPPORT)) logerror("create_udp_socket(), socket"); - /* it is debatable if PF_INET with EAFNOSUPPORT should + /* it is debateble if PF_INET with EAFNOSUPPORT should * also be ignored... */ continue; @@ -960,23 +968,25 @@ int *create_udp_socket(uchar *LogPort) continue; } - /* rgerhards, 2007-06-22: if we run on a kernel that does not support - * the IPV6_V6ONLY socket option, we need to use a work-around. On such - * systems the IPv6 socket does also accept IPv4 sockets. So an IPv4 - * socket can not listen on the same port as an IPv6 socket. The only - * workaround is to ignore the "socket in use" error. This is what we - * do if we have to. - */ - if( (bind(*s, r->ai_addr, r->ai_addrlen) < 0) -# ifndef IPV6_V6ONLY - && (errno != EADDRINUSE) -# endif - ) { - logerror("bind"); - close(*s); - *s = -1; - continue; - } + if(bIsServer) { + /* rgerhards, 2007-06-22: if we run on a kernel that does not support + * the IPV6_V6ONLY socket option, we need to use a work-around. On such + * systems the IPv6 socket does also accept IPv4 sockets. So an IPv4 + * socket can not listen on the same port as an IPv6 socket. The only + * workaround is to ignore the "socket in use" error. This is what we + * do if we have to. + */ + if( (bind(*s, r->ai_addr, r->ai_addrlen) < 0) + # ifndef IPV6_V6ONLY + && (errno != EADDRINUSE) + # endif + ) { + logerror("bind"); + close(*s); + *s = -1; + continue; + } + } (*socks)++; s++; |