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openSUSE:Factory:PowerPC:Rings:0-Bootstrap
tcpd
tcp_wrappers_7.6-fedora-bug17795.diff
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File tcp_wrappers_7.6-fedora-bug17795.diff of Package tcpd
--- hosts_access.5.orig +++ hosts_access.5 @@ -90,6 +90,13 @@ bitwise AND of the address and the `mask pattern `131.155.72.0/255.255.254.0\' matches every address in the range `131.155.72.0\' through `131.155.73.255\'. .IP \(bu +A string that begins with a `/\' character is treated as a file +name. A host name or address is matched if it matches any host name +or address pattern listed in the named file. The file format is +zero or more lines with zero or more host name or address patterns +separated by whitespace. A file name pattern can be used anywhere +a host name or address pattern can be used. +.IP \(bu An expression of the form `[n:n:n:n:n:n:n:n]/m\' is interpreted as a `[net]/prefixlen\' pair. A IPv6 host address is matched if `prefixlen\' bits of `net\' is equal to the `prefixlen\' bits of the --- hosts_access.c.orig +++ hosts_access.c @@ -273,6 +273,26 @@ struct request_info *request; } } +/* hostfile_match - look up host patterns from file */ + +static int hostfile_match(path, host) +char *path; +struct hosts_info *host; +{ + char tok[BUFSIZ]; + int match = NO; + FILE *fp; + + if ((fp = fopen(path, "r")) != 0) { + while (fscanf(fp, "%s", tok) == 1 && !(match = host_match(tok, host))) + /* void */ ; + fclose(fp); + } else if (errno != ENOENT) { + tcpd_warn("open %s: %m", path); + } + return (match); +} + /* host_match - match host name and/or address against pattern */ static int host_match(tok, host) @@ -300,6 +320,8 @@ struct host_info *host; tcpd_warn("netgroup support is disabled"); /* not tcpd_jump() */ return (NO); #endif + } else if (tok[0] == '/') { /* /file hack */ + return (hostfile_match(tok, host)); } else if (STR_EQ(tok, "KNOWN")) { /* check address and name */ char *name = eval_hostname(host); return (STR_NE(eval_hostaddr(host), unknown) && HOSTNAME_KNOWN(name));
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