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35 lines
1.3 KiB
35 lines
1.3 KiB
6 years ago
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diff -up netkit-rsh-0.17/rexecd/rexecd.c netkit-rsh-0.17/rexecd/rexecd.c
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--- netkit-rsh-0.17/rexecd/rexecd.c 2017-10-17 10:50:49.508905643 +0200
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+++ netkit-rsh-0.17/rexecd/rexecd.c 2017-10-17 11:47:32.563051760 +0200
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@@ -261,7 +261,14 @@ doit(struct sockaddr_in *fromp)
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fatal ("sysconf (_SC_ARG_MAX) failed\n");
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}
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- cmdbuf = malloc (++cmdbuflen);
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+ cmdbuflen++;
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+ /* Decrease cmdbuflen to reasonable number if it's too high */
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+ if ((size_t) cmdbuflen > 131072) {
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+ cmdbuflen = 131072;
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+ syslog (LOG_INFO, "Decreasing cmdbuflen because it was too high (>131072 bytes)");
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+ }
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+
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+ cmdbuf = malloc (cmdbuflen);
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if (cmdbuf == NULL) {
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syslog (LOG_ERR, "Could not allocate space for cmdbuf");
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fatal ("Could not allocate space for cmdbuf\n");
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diff -up netkit-rsh-0.17/rshd/rshd.c netkit-rsh-0.17/rshd/rshd.c
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--- netkit-rsh-0.17/rshd/rshd.c 2017-10-17 11:26:15.192221595 +0200
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+++ netkit-rsh-0.17/rshd/rshd.c 2017-10-17 11:47:26.065986220 +0200
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@@ -433,8 +433,10 @@ doit(struct sockaddr_storage *fromp, soc
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cmdbuflen++;
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/* Decrease cmdbuflen to reasonable number if it's too high */
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- if ((size_t) cmdbuflen > 131072)
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+ if ((size_t) cmdbuflen > 131072) {
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cmdbuflen = 131072;
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+ syslog (LOG_INFO, "Decreasing cmdbuflen because it was too high (>131072 bytes)");
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+ }
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cmdbuf = malloc (cmdbuflen);
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if (cmdbuf == NULL) {
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