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<title>libmtp: hotplug.c</title>
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<h1>hotplug.c</h1><div class="fragment"><pre class="fragment">
<span class="preprocessor">#include "common.h"</span>
<span class="preprocessor">#include <unistd.h></span>
<span class="preprocessor">#include <stdlib.h></span>
<span class="preprocessor">#include <stdio.h></span>
<span class="preprocessor">#include <string.h></span>
<span class="keyword">static</span> <span class="keywordtype">void</span> usage(<span class="keywordtype">void</span>)
{
fprintf(stderr, <span class="stringliteral">"usage: hotplug [-u -H -i -a\"ACTION\"]\n"</span>);
fprintf(stderr, <span class="stringliteral">" -u: use udev syntax\n"</span>);
fprintf(stderr, <span class="stringliteral">" -H: use hal syntax\n"</span>);
fprintf(stderr, <span class="stringliteral">" -i: use usb.ids simple list syntax\n"</span>);
fprintf(stderr, <span class="stringliteral">" -a\"ACTION\": perform udev action ACTION on attachment\n"</span>);
exit(1);
}
<span class="keyword">enum</span> style {
style_usbmap,
style_udev,
style_hal,
style_usbids
};
<span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<a name="_a0"></a><a class="code" href="structLIBMTP__device__entry__struct.html">LIBMTP_device_entry_t</a> *entries;
<span class="keywordtype">int</span> numentries;
<span class="keywordtype">int</span> i;
<span class="keywordtype">int</span> ret;
<span class="keyword">enum</span> style style = style_usbmap;
<span class="keywordtype">int</span> opt;
<span class="keyword">extern</span> <span class="keywordtype">int</span> optind;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
<span class="keywordtype">char</span> *udev_action = NULL;
<span class="keywordtype">char</span> default_udev_action[] = <span class="stringliteral">"SYMLINK+=\"libmtp-%k\", MODE=\"666\""</span>;
<span class="keywordtype">char</span> *action; <span class="comment">// To hold the action actually used.</span>
uint16_t last_vendor = 0x0000U;
<span class="keywordflow">while</span> ( (opt = getopt(argc, argv, <span class="stringliteral">"uUiHa:"</span>)) != -1 ) {
<span class="keywordflow">switch</span> (opt) {
<span class="keywordflow">case</span> <span class="charliteral">'a'</span>:
udev_action = strdup(optarg);
<span class="keywordflow">case</span> <span class="charliteral">'u'</span>:
style = style_udev;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'H'</span>:
style = style_hal;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'i'</span>:
style = style_usbids;
<span class="keywordflow">break</span>;
<span class="keywordflow">default</span>:
usage();
}
}
<span class="keywordflow">if</span> (udev_action != NULL) {
action = udev_action;
} <span class="keywordflow">else</span> {
action = default_udev_action;
}
<a name="a1"></a><a class="code" href="group__internals.html#gaaca880ea9ab434e8cf1a1051128318ef">LIBMTP_Init</a>();
ret = <a name="a2"></a><a class="code" href="group__internals.html#ga0d452be0f83d37296cfa3307fb9a8fd7">LIBMTP_Get_Supported_Devices_List</a>(&entries, &numentries);
<span class="keywordflow">if</span> (ret == 0) {
<span class="keywordflow">switch</span> (style) {
<span class="keywordflow">case</span> style_udev:
printf(<span class="stringliteral">"# UDEV-style hotplug map for libmtp\n"</span>);
printf(<span class="stringliteral">"# Put this file in /etc/udev/rules.d\n\n"</span>);
printf(<span class="stringliteral">"ACTION!=\"add\", GOTO=\"libmtp_rules_end\"\n"</span>);
printf(<span class="stringliteral">"ENV{MAJOR}!=\"?*\", GOTO=\"libmtp_rules_end\"\n"</span>);
printf(<span class="stringliteral">"SUBSYSTEM==\"usb\", GOTO=\"libmtp_usb_rules\"\n"</span>
<span class="stringliteral">"# The following thing will be deprecated when older kernels are phased out.\n"</span>
<span class="stringliteral">"SUBSYSTEM==\"usb_device\", GOTO=\"libmtp_usb_device_rules\"\n"</span>
<span class="stringliteral">"GOTO=\"libmtp_rules_end\"\n\n"</span>
<span class="stringliteral">"LABEL=\"libmtp_usb_rules\"\n\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_usbmap:
printf(<span class="stringliteral">"# This usermap will call the script \"libmtp.sh\" whenever a known MTP device is attached.\n\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_hal:
printf(<span class="stringliteral">"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?> <!-- -*- SGML -*- -->\n"</span>);
printf(<span class="stringliteral">"<!-- This file was generated by %s - - fdi -->\n"</span>, argv[0]);
printf(<span class="stringliteral">"<deviceinfo version=\"0.2\">\n"</span>);
printf(<span class="stringliteral">" <device>\n"</span>);
printf(<span class="stringliteral">" <match key=\"info.subsystem\" string=\"usb\">\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_usbids:
printf(<span class="stringliteral">"# usb.ids style device list from libmtp\n"</span>);
printf(<span class="stringliteral">"# Compare: http://www.linux-usb.org/usb.ids\n"</span>);
<span class="keywordflow">break</span>;
}
<span class="keywordflow">for</span> (i = 0; i < numentries; i++) {
<a class="code" href="structLIBMTP__device__entry__struct.html">LIBMTP_device_entry_t</a> * entry = &entries[i];
<span class="keywordflow">switch</span> (style) {
<span class="keywordflow">case</span> style_udev:
{
printf(<span class="stringliteral">"# %s %s\n"</span>, entry-><a name="a3"></a><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>, entry-><a name="a4"></a><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
<span class="comment">// Old style directly SYSFS named.</span>
<span class="comment">// printf("SYSFS{idVendor}==\"%04x\", SYSFS{idProduct}==\"%04x\", %s\n", entry->vendor_id, entry->product_id, action);</span>
<span class="comment">// Newer style</span>
printf(<span class="stringliteral">"ATTR{idVendor}==\"%04x\", ATTR{idProduct}==\"%04x\", %s\n"</span>, entry-><a name="a5"></a><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>, entry-><a name="a6"></a><a class="code" href="structLIBMTP__device__entry__struct.html#a450dfc3a7c9d46f998ad1599df776193">product_id</a>, action);
<span class="keywordflow">break</span>;
}
<span class="keywordflow">case</span> style_usbmap:
printf(<span class="stringliteral">"# %s %s\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
printf(<span class="stringliteral">"libmtp.sh 0x0003 0x%04x 0x%04x 0x0000 0x0000 0x00 0x00 0x00 0x00 0x00 0x00 0x00000000\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a450dfc3a7c9d46f998ad1599df776193">product_id</a>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_hal:
printf(<span class="stringliteral">" <!-- %s %s -->\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
printf(<span class="stringliteral">" <match key=\"usb.vendor_id\" int=\"0x%04x\">\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>);
printf(<span class="stringliteral">" <match key=\"usb.product_id\" int=\"0x%04x\">\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a450dfc3a7c9d46f998ad1599df776193">product_id</a>);
<span class="comment">/* FIXME: If hal >=0.5.10 can be depended upon, the matches below with contains_not can instead use addset */</span>
printf(<span class="stringliteral">" <match key=\"info.capabilities\" contains_not=\"portable_audio_player\">\n"</span>);
printf(<span class="stringliteral">" <append key=\"info.capabilities\" type=\"strlist\">portable_audio_player</append>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
printf(<span class="stringliteral">" <merge key=\"info.vendor\" type=\"string\">%s</merge>\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>);
printf(<span class="stringliteral">" <merge key=\"info.product\" type=\"string\">%s</merge>\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
printf(<span class="stringliteral">" <merge key=\"info.category\" type=\"string\">portable_audio_player</merge>\n"</span>);
printf(<span class="stringliteral">" <merge key=\"portable_audio_player.access_method\" type=\"string\">user</merge>\n"</span>);
printf(<span class="stringliteral">" <match key=\"portable_audio_player.access_method.protocols\" contains_not=\"mtp\">\n"</span>);
printf(<span class="stringliteral">" <append key=\"portable_audio_player.access_method.protocols\" type=\"strlist\">mtp</append>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
printf(<span class="stringliteral">" <append key=\"portable_audio_player.access_method.drivers\" type=\"strlist\">libmtp</append>\n"</span>);
<span class="comment">/* FIXME: needs true list of formats ... But all of them can do MP3 and WMA */</span>
printf(<span class="stringliteral">" <match key=\"portable_audio_player.output_formats\" contains_not=\"audio/mpeg\">\n"</span>);
printf(<span class="stringliteral">" <append key=\"portable_audio_player.output_formats\" type=\"strlist\">audio/mpeg</append>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
printf(<span class="stringliteral">" <match key=\"portable_audio_player.output_formats\" contains_not=\"audio/x-ms-wma\">\n"</span>);
printf(<span class="stringliteral">" <append key=\"portable_audio_player.output_formats\" type=\"strlist\">audio/x-ms-wma</append>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
<span class="comment">/* Special hack to support the OGG format - irivers, TrekStor and NormSoft (Palm) can always play these files! */</span>
<span class="keywordflow">if</span> (entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a> == 0x4102 || <span class="comment">// iriver</span>
entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a> == 0x066f || <span class="comment">// TrekStor</span>
entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a> == 0x1703) { <span class="comment">// NormSoft, Inc.</span>
printf(<span class="stringliteral">" <match key=\"portable_audio_player.output_formats\" contains_not=\"application/ogg\">\n"</span>);
printf(<span class="stringliteral">" <append key=\"portable_audio_player.output_formats\" type=\"strlist\">application/ogg</append>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
}
printf(<span class="stringliteral">" <merge key=\"portable_audio_player.libmtp.protocol\" type=\"string\">mtp</merge>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
printf(<span class="stringliteral">" </match>\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_usbids:
<span class="keywordflow">if</span> (last_vendor != entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>) {
printf(<span class="stringliteral">"%04x\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>);
}
printf(<span class="stringliteral">"\t%04x %s %s\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a450dfc3a7c9d46f998ad1599df776193">product_id</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
<span class="keywordflow">break</span>;
}
last_vendor = entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>;
}
} <span class="keywordflow">else</span> {
printf(<span class="stringliteral">"Error.\n"</span>);
exit(1);
}
<span class="comment">// For backward comparibility with the #$!+@! ever changing</span>
<span class="comment">// udev rule style...</span>
<span class="keywordflow">if</span> (style == style_udev) {
printf(<span class="stringliteral">"GOTO=\"libmtp_rules_end\"\n\n"</span>);
printf(<span class="stringliteral">"LABEL=\"libmtp_usb_device_rules\"\n"</span>);
<span class="keywordflow">for</span> (i = 0; i < numentries; i++) {
<a class="code" href="structLIBMTP__device__entry__struct.html">LIBMTP_device_entry_t</a> * entry = &entries[i];
printf(<span class="stringliteral">"# %s %s\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#aa32c5d07072e58790a4935eca4159e9c">vendor</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#ad392e158dfb9bb0aef58d180b98357e5">product</a>);
printf(<span class="stringliteral">"ATTRS{idVendor}==\"%04x\", ATTRS{idProduct}==\"%04x\", %s\n"</span>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a132af448075c74acbbc389d074ce1f97">vendor_id</a>, entry-><a class="code" href="structLIBMTP__device__entry__struct.html#a450dfc3a7c9d46f998ad1599df776193">product_id</a>, action);
}
printf(<span class="stringliteral">"GOTO=\"libmtp_rules_end\"\n\n"</span>);
}
<span class="comment">// Then the footer.</span>
<span class="keywordflow">switch</span> (style) {
<span class="keywordflow">case</span> style_usbmap:
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_udev:
printf(<span class="stringliteral">"LABEL=\"libmtp_rules_end\"\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_hal:
printf(<span class="stringliteral">" </match>\n"</span>);
printf(<span class="stringliteral">" </device>\n"</span>);
printf(<span class="stringliteral">"</deviceinfo>\n"</span>);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> style_usbids:
printf(<span class="stringliteral">"\n"</span>);
}
exit (0);
}
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