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https://github.com/uselessd/alcove.git
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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* Copyright (c) 2014, Michael Santos <michael.santos@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "alcove.h"
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#include "alcove_call.h"
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#include <sys/stat.h>
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#include <dirent.h>
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/*
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* readdir(3)
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*
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*/
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ssize_t
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alcove_sys_readdir(alcove_state_t *ap, const char *arg, size_t len,
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char *reply, size_t rlen)
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{
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int index = 0;
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int rindex = 0;
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char name[PATH_MAX] = {0};
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size_t namelen = sizeof(name)-1;
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DIR *dirp = NULL;
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struct dirent *dent = NULL;
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/* name */
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if (alcove_decode_iolist(arg, len, &index, name, &namelen) < 0 ||
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namelen == 0)
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return -1;
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dirp = opendir(name);
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if (dirp == NULL)
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return alcove_mk_errno(reply, rlen, errno);
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ALCOVE_ERR(alcove_encode_version(reply, rlen, &rindex));
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ALCOVE_ERR(alcove_encode_tuple_header(reply, rlen, &rindex, 2));
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ALCOVE_ERR(alcove_encode_atom(reply, rlen, &rindex, "ok"));
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errno = 0;
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while ( (dent = readdir(dirp))) {
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ALCOVE_ERR(alcove_encode_list_header(reply, rlen, &rindex, 1));
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ALCOVE_ERR(alcove_encode_binary(reply, rlen, &rindex,
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dent->d_name, strlen(dent->d_name)));
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}
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if (errno != 0)
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return alcove_mk_errno(reply, rlen, errno);
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if (closedir(dirp) < 0)
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return alcove_mk_errno(reply, rlen, errno);
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ALCOVE_ERR(alcove_encode_empty_list(reply, rlen, &rindex));
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return rindex;
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}
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