55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/* tnef.c
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*
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* Transport-Neutral Encapsulation Format (TNEF) file reading
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <errno.h>
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#include "wtap-int.h"
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#include "file_wrappers.h"
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#include <wsutil/buffer.h>
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#include "tnef.h"
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wtap_open_return_val tnef_open(wtap *wth, int *err, gchar **err_info)
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{
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guint32 magic;
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if (!wtap_read_bytes(wth->fh, &magic, sizeof magic, err, err_info))
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return (*err != WTAP_ERR_SHORT_READ) ? WTAP_OPEN_ERROR : WTAP_OPEN_NOT_MINE;
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if (GUINT32_TO_LE(magic) != TNEF_SIGNATURE)
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/* Not a tnef file */
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return WTAP_OPEN_NOT_MINE;
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/* seek back to the start of the file */
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if (file_seek(wth->fh, 0, SEEK_SET, err) == -1)
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return WTAP_OPEN_ERROR;
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wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_TNEF;
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wth->file_encap = WTAP_ENCAP_TNEF;
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wth->snapshot_length = 0;
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wth->subtype_read = wtap_full_file_read;
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wth->subtype_seek_read = wtap_full_file_seek_read;
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wth->file_tsprec = WTAP_TSPREC_SEC;
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return WTAP_OPEN_MINE;
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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