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<h1>ftpconf.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Parses and prints the configuration options for a fictous ftp client</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include <stdio.h></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <string.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <errno.h></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <<a class="code" href="confuse_8h.html">confuse.h</a>></span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="comment">/* valid values for the auto-create-bookmark option */</span>
<a name="l00011"></a>00011 <span class="preprocessor">#define ACB_YES 1</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#define ACB_NO 2</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define ACB_ASK 3</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a>00015 <span class="comment">/* called on alias() functions in the config file */</span>
<a name="l00016"></a>00016 <span class="keywordtype">int</span> conf_alias(<a name="_a0"></a><a class="code" href="structcfg__t.html">cfg_t</a> *cfg, <a name="_a1"></a><a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> *opt, <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv)
<a name="l00017"></a>00017 {
<a name="l00018"></a>00018 <span class="keywordflow">if</span>(argc < 2)
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020 <a name="a2"></a>cfg_error(cfg, <span class="stringliteral">"function '%s' requires 2 arguments"</span>, <a name="a3"></a>cfg_opt_name(opt));
<a name="l00021"></a>00021 <span class="keywordflow">return</span> -1;
<a name="l00022"></a>00022 }
<a name="l00023"></a>00023 printf(<span class="stringliteral">"got alias '%s' = '%s'\n"</span>, argv[0], argv[1]);
<a name="l00024"></a>00024 <span class="keywordflow">return</span> 0;
<a name="l00025"></a>00025 }
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">/* parse values for the auto-create-bookmark option */</span>
<a name="l00028"></a>00028 <span class="keywordtype">int</span> conf_parse_acb(<a class="code" href="structcfg__t.html">cfg_t</a> *cfg, <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> *opt, <span class="keyword">const</span> <span class="keywordtype">char</span> *value, <span class="keywordtype">void</span> *result)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <span class="keywordflow">if</span>(strcmp(value, <span class="stringliteral">"yes"</span>) == 0)
<a name="l00031"></a>00031 *(<span class="keywordtype">int</span> *)result = ACB_YES;
<a name="l00032"></a>00032 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strcmp(value, <span class="stringliteral">"no"</span>) == 0)
<a name="l00033"></a>00033 *(<span class="keywordtype">int</span> *)result = ACB_NO;
<a name="l00034"></a>00034 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(strcmp(value, <span class="stringliteral">"ask"</span>) == 0)
<a name="l00035"></a>00035 *(<span class="keywordtype">int</span> *)result = ACB_ASK;
<a name="l00036"></a>00036 <span class="keywordflow">else</span>
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 cfg_error(cfg, <span class="stringliteral">"invalid value for option '%s': %s"</span>,
<a name="l00039"></a>00039 cfg_opt_name(opt), value);
<a name="l00040"></a>00040 <span class="keywordflow">return</span> -1;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 <span class="keywordflow">return</span> 0;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="comment">/* validates a port option (must be positive) */</span>
<a name="l00046"></a>00046 <span class="keywordtype">int</span> conf_validate_port(<a class="code" href="structcfg__t.html">cfg_t</a> *cfg, <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> *opt)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keywordtype">int</span> value = <a name="a4"></a>cfg_opt_getnint(opt, 0);
<a name="l00049"></a>00049 <span class="keywordflow">if</span>(value <= 0)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 cfg_error(cfg, <span class="stringliteral">"invalid port %d in section '%s'"</span>, value, <a name="a5"></a>cfg_name(cfg));
<a name="l00052"></a>00052 <span class="keywordflow">return</span> -1;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 <span class="keywordflow">return</span> 0;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">/* validates a bookmark section (host option required) */</span>
<a name="l00058"></a>00058 <span class="keywordtype">int</span> conf_validate_bookmark(<a class="code" href="structcfg__t.html">cfg_t</a> *cfg, <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> *opt)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <a class="code" href="structcfg__t.html">cfg_t</a> *bookmark = <a name="a6"></a>cfg_opt_getnsec(opt, <a name="a7"></a>cfg_opt_size(opt) - 1);
<a name="l00061"></a>00061 <span class="keywordflow">if</span>(<a name="a8"></a>cfg_size(bookmark, <span class="stringliteral">"host"</span>) == 0)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 cfg_error(cfg, <span class="stringliteral">"missing required option 'host' in bookmark"</span>);
<a name="l00064"></a>00064 <span class="keywordflow">return</span> -1;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 <span class="keywordflow">return</span> 0;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <a class="code" href="structcfg__t.html">cfg_t</a> *parse_conf(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> bookmark_opts[] = {
<a name="l00072"></a>00072 <a name="a9"></a><a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"host"</span>, 0, <a name="a10"></a><a class="code" href="confuse_8h.html#9020ea37bfdb4f3e88a18d0a0d00cdd9">CFGF_NODEFAULT</a>),
<a name="l00073"></a>00073 <a name="a11"></a><a class="code" href="confuse_8h.html#c2b17561e944264c594ea0802e56d308">CFG_INT</a>(<span class="stringliteral">"port"</span>, 21, <a name="a12"></a><a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00074"></a>00074 <a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"login"</span>, <span class="stringliteral">"anonymous"</span>, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00075"></a>00075 <a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"password"</span>, <span class="stringliteral">"anonymous@"</span>, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00076"></a>00076 <a class="code" href="confuse_8h.html#963e2ee16396dcf36f6d1937faa00f0c">CFG_STR</a>(<span class="stringliteral">"directory"</span>, 0, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00077"></a>00077 <a name="a13"></a><a class="code" href="confuse_8h.html#6b29dd8a4c6cd3d392d4ab6b2e535597">CFG_END</a>()
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <a class="code" href="structcfg__opt__t.html">cfg_opt_t</a> opts[] = {
<a name="l00081"></a>00081 <a name="a14"></a><a class="code" href="confuse_8h.html#043d5c79624269e5f60f59a698e461a6">CFG_SEC</a>(<span class="stringliteral">"bookmark"</span>, bookmark_opts, <a name="a15"></a><a class="code" href="confuse_8h.html#86b522a5daef5c07066b28f1585d2d77">CFGF_MULTI</a> | <a name="a16"></a><a class="code" href="confuse_8h.html#65d20dbd5b778dd1bf3b3895206b4497">CFGF_TITLE</a>),
<a name="l00082"></a>00082 <a name="a17"></a><a class="code" href="confuse_8h.html#5a49fffc6735970c739e34d51a39c95d">CFG_BOOL</a>(<span class="stringliteral">"passive-mode"</span>, cfg_false, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00083"></a>00083 <a class="code" href="confuse_8h.html#5a49fffc6735970c739e34d51a39c95d">CFG_BOOL</a>(<span class="stringliteral">"remote-completion"</span>, cfg_true, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00084"></a>00084 <a name="a18"></a><a class="code" href="confuse_8h.html#b1ff85d6346cdefeb2ec2b696e50fde9">CFG_FUNC</a>(<span class="stringliteral">"alias"</span>, conf_alias),
<a name="l00085"></a>00085 <a name="a19"></a><a class="code" href="confuse_8h.html#db9b1c168e72a3e065d2a06f2ed46c9f">CFG_STR_LIST</a>(<span class="stringliteral">"xterm-terminals"</span>, <span class="stringliteral">"{xterm, rxvt}"</span>, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>),
<a name="l00086"></a>00086 <a name="a20"></a><a class="code" href="confuse_8h.html#6f80d4ee3191ce3fb2f9e3b8fba50d49">CFG_INT_CB</a>(<span class="stringliteral">"auto-create-bookmark"</span>, ACB_YES, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>, conf_parse_acb),
<a name="l00087"></a>00087 <a class="code" href="confuse_8h.html#b1ff85d6346cdefeb2ec2b696e50fde9">CFG_FUNC</a>(<span class="stringliteral">"include-file"</span>, <a name="a21"></a>cfg_include),
<a name="l00088"></a>00088 <a class="code" href="confuse_8h.html#6b29dd8a4c6cd3d392d4ab6b2e535597">CFG_END</a>()
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <a class="code" href="structcfg__t.html">cfg_t</a> *cfg = <a name="a22"></a>cfg_init(opts, <a class="code" href="confuse_8h.html#65df72d236bcc3e7f22c5b2b5c24bded">CFGF_NONE</a>);
<a name="l00092"></a>00092 <a name="a23"></a>cfg_set_validate_func(cfg, <span class="stringliteral">"bookmark|port"</span>, conf_validate_port);
<a name="l00093"></a>00093 cfg_set_validate_func(cfg, <span class="stringliteral">"bookmark"</span>, conf_validate_bookmark);
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordflow">switch</span>(<a name="a24"></a>cfg_parse(cfg, filename))
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordflow">case</span> CFG_FILE_ERROR:
<a name="l00098"></a>00098 printf(<span class="stringliteral">"warning: configuration file '%s' could not be read: %s\n"</span>,
<a name="l00099"></a>00099 filename, strerror(errno));
<a name="l00100"></a>00100 printf(<span class="stringliteral">"continuing with default values...\n\n"</span>);
<a name="l00101"></a>00101 <span class="keywordflow">case</span> <a name="a25"></a><a class="code" href="confuse_8h.html#66a1002180229809620b9bf2d3b888a6">CFG_SUCCESS</a>:
<a name="l00102"></a>00102 <span class="keywordflow">break</span>;
<a name="l00103"></a>00103 <span class="keywordflow">case</span> CFG_PARSE_ERROR:
<a name="l00104"></a>00104 <span class="keywordflow">return</span> 0;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">return</span> cfg;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <span class="keywordtype">int</span> i;
<a name="l00113"></a>00113 <a class="code" href="structcfg__t.html">cfg_t</a> *cfg = parse_conf(argc > 1 ? argv[1] : <span class="stringliteral">"ftp.conf"</span>);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="comment">/* print the parsed configuration options */</span>
<a name="l00116"></a>00116 <span class="keywordflow">if</span>(cfg)
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 printf(<span class="stringliteral">"passive-mode = %s\n"</span>,
<a name="l00119"></a>00119 <a name="a26"></a>cfg_getbool(cfg, <span class="stringliteral">"passive-mode"</span>) ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>);
<a name="l00120"></a>00120 printf(<span class="stringliteral">"remote-completion = %s\n"</span>,
<a name="l00121"></a>00121 cfg_getbool(cfg, <span class="stringliteral">"remote-completion"</span>) ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 printf(<span class="stringliteral">"number of bookmarks: %d\n"</span>, cfg_size(cfg, <span class="stringliteral">"bookmark"</span>));
<a name="l00124"></a>00124 <span class="keywordflow">for</span>(i = 0; i < cfg_size(cfg, <span class="stringliteral">"bookmark"</span>); i++)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <a class="code" href="structcfg__t.html">cfg_t</a> *bookmark = <a name="a27"></a>cfg_getnsec(cfg, <span class="stringliteral">"bookmark"</span>, i);
<a name="l00127"></a>00127 printf(<span class="stringliteral">" bookmark #%d: %s:%s@%s:%ld%s\n"</span>, i+1,
<a name="l00128"></a>00128 <a name="a28"></a>cfg_getstr(bookmark, <span class="stringliteral">"login"</span>),
<a name="l00129"></a>00129 cfg_getstr(bookmark, <span class="stringliteral">"password"</span>),
<a name="l00130"></a>00130 cfg_getstr(bookmark, <span class="stringliteral">"host"</span>),
<a name="l00131"></a>00131 <a name="a29"></a>cfg_getint(bookmark, <span class="stringliteral">"port"</span>),
<a name="l00132"></a>00132 cfg_getstr(bookmark, <span class="stringliteral">"directory"</span>));
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">for</span>(i = 0; i < cfg_size(cfg, <span class="stringliteral">"xterm-terminals"</span>); i++)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 printf(<span class="stringliteral">"xterm-terminal #%d: %s\n"</span>,
<a name="l00138"></a>00138 i+1, <a name="a30"></a>cfg_getnstr(cfg, <span class="stringliteral">"xterm-terminals"</span>, i));
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 printf(<span class="stringliteral">"auto-create-bookmark = %ld\n"</span>,
<a name="l00142"></a>00142 cfg_getint(cfg, <span class="stringliteral">"auto-create-bookmark"</span>));
<a name="l00143"></a>00143 <a name="a31"></a>cfg_free(cfg);
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keywordflow">return</span> 0;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
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