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80 lines
2.3 KiB
Plaintext
80 lines
2.3 KiB
Plaintext
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The following two patches are security patches as discussed in CERT advisory
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CA:96-08.pcnfsd dated April 18th.
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*** /tmp/T0a005Z3 Fri Apr 19 14:50:43 1996
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--- pcnfsd_misc.c Fri Apr 19 14:37:00 1996
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***************
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*** 114,120 ****
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int suspicious (s)
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char *s;
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{
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! if(strpbrk(s, ";|&<>`'#!?*()[]^/") != NULL)
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return 1;
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return 0;
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}
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--- 114,120 ----
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int suspicious (s)
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char *s;
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{
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! if(strpbrk(s, ";|&<>`'#!?*()[]^/${}\n\r\"\\:") != NULL)
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return 1;
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return 0;
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}
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*** /tmp/T0a002c1 Fri Apr 5 13:14:50 1996
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--- pcnfsd_print.c Fri Apr 5 13:14:46 1996
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***************
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*** 221,226 ****
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--- 221,227 ----
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{
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int dir_mode = 0777;
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int rc;
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+ mode_t oldmask;
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*sp = &pathname[0];
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pathname[0] = '\0';
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***************
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*** 231,241 ****
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/* get pathname of current directory and return to client */
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(void)sprintf(pathname,"%s/%s",sp_name, sys);
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(void)mkdir(sp_name, dir_mode); /* ignore the return code */
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- (void)chmod(sp_name, dir_mode);
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rc = mkdir(pathname, dir_mode); /* DON'T ignore this return code */
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if((rc < 0 && errno != EEXIST) ||
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- (chmod(pathname, dir_mode) != 0) ||
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(stat(pathname, &statbuf) != 0) ||
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!(statbuf.st_mode & S_IFDIR)) {
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(void)sprintf(tempstr,
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--- 232,242 ----
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/* get pathname of current directory and return to client */
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(void)sprintf(pathname,"%s/%s",sp_name, sys);
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+ oldmask = umask(0);
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(void)mkdir(sp_name, dir_mode); /* ignore the return code */
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rc = mkdir(pathname, dir_mode); /* DON'T ignore this return code */
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+ umask(oldmask);
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if((rc < 0 && errno != EEXIST) ||
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(stat(pathname, &statbuf) != 0) ||
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!(statbuf.st_mode & S_IFDIR)) {
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(void)sprintf(tempstr,
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***************
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*** 381,387 ****
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** filter with the appropriate arguments.
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**------------------------------------------------------
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*/
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! (void)run_ps630(new_pathname, opts);
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}
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/*
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** Try to match to an aliased printer
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--- 382,391 ----
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** filter with the appropriate arguments.
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**------------------------------------------------------
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*/
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! (void)sprintf(tempstr,
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! "rpc.pcnfsd: ps630 filter disabled for %s\n", pathname);
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! msg_out(tempstr);
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! return(PS_RES_FAIL);
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}
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/*
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** Try to match to an aliased printer
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