25 lines
736 B
Diff
25 lines
736 B
Diff
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Index: netcat-openbsd-1.89/netcat.c
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===================================================================
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--- netcat-openbsd-1.89.orig/netcat.c 2008-01-22 20:39:46.000000000 -0500
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+++ netcat-openbsd-1.89/netcat.c 2008-01-22 20:43:36.000000000 -0500
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@@ -819,11 +819,18 @@
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void
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build_ports(char *p)
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{
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+ struct servent *sv;
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char *n, *endp;
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int hi, lo, cp;
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int x = 0;
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- if ((n = strchr(p, '-')) != NULL) {
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+ sv = getservbyname(p, uflag ? "udp" : "tcp");
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+ if (sv) {
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+ portlist[0] = calloc(1, PORT_MAX_LEN);
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+ if (portlist[0] == NULL)
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+ err(1, NULL);
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+ snprintf(portlist[0], PORT_MAX_LEN, "%d", ntohs(sv->s_port));
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+ } else if ((n = strchr(p, '-')) != NULL) {
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if (lflag)
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errx(1, "Cannot use -l with multiple ports!");
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