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openSUSE:Backports:SLE-15-SP5:Update
rsh.18385
netkit-rsh-0.17-checkdir.diff
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File netkit-rsh-0.17-checkdir.diff of Package rsh.18385
--- rcp/rcp.c +++ rcp/rcp.c @@ -716,6 +716,10 @@ size = size * 10 + (*cp++ - '0'); if (*cp++ != ' ') SCREWUP("size not delimited"); + if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { + error("rcp: unexpected filename: %s", cp); + exit(1); + } if (targisdir) { static char *namebuf; static int cursize; @@ -734,6 +738,8 @@ np = targ; exists = stat(np, &stb) == 0; if (buf[0] == 'D') { + if (!iamrecursive) + SCREWUP("received directory without -r"); if (exists) { if ((stb.st_mode&S_IFMT) != S_IFDIR) { errno = ENOTDIR;
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