43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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This library allows you to run nxclient 3.5.0-7 on versions of Glibc> = 2.28
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https://sourceware.org/bugzilla/show_bug.cgi?id=1190
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Use the following:
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gcc -shared -ldl -fPIC ./libfix1190.c -o /usr/NX/lib/libfix1190.so
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LD_PRELOAD = /usr/NX/lib/libfix1190.so /usr/NX/bin/nxclient
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <dlfcn.h>
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#include <string.h>
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static ssize_t (*real_recvmsg)(int socket, struct msghdr *msg, int flags);
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static FILE * (*real_fopen)(const char *filename, const char *opentype);
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FILE *ssh_fp = NULL;
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FILE * fopen (const char *filename, const char *opentype){
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real_fopen = dlsym(RTLD_NEXT, "fopen");
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FILE *fp = real_fopen(filename,opentype);
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if ((memcmp(opentype,"r",1)) && (strstr(filename,"sshlog")!=NULL)){
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ssh_fp = fp;
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}
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return fp;
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}
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ssize_t recvmsg(int socket, struct msghdr *message, int flags){
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real_recvmsg = dlsym(RTLD_NEXT, "recvmsg");
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int ret = real_recvmsg(socket, message, flags);
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if ((ssh_fp)&&(ssh_fp->_flags & _IO_EOF_SEEN)) {
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clearerr(ssh_fp);
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}
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return ret;
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}
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