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If getaddrinfo() fails, it's not safe to dereference the struct addrinfo* it

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passes back to us, so don't.

[originally from svn r5167]
This commit is contained in:
Ben Harris 2005-01-22 15:19:21 +00:00
parent 31133eb077
commit 258a87361a
1 changed files with 4 additions and 2 deletions
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2
unix/uxnet.c
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@ -713,8 +713,10 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
hints.ai_next = NULL; hints.ai_next = NULL;
sprintf(portstr, "%d", port); sprintf(portstr, "%d", port);
retcode = getaddrinfo(srcaddr, portstr, &hints, &ai); retcode = getaddrinfo(srcaddr, portstr, &hints, &ai);
if (retcode = 0) {
addr = ai->ai_addr; addr = ai->ai_addr;
addrlen = ai->ai_addrlen; addrlen = ai->ai_addrlen;
}
#else #else
memset(&a,'\0',sizeof(struct sockaddr_in)); memset(&a,'\0',sizeof(struct sockaddr_in));
a.sin_family = AF_INET; a.sin_family = AF_INET;