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29 lines
872 B
C
29 lines
872 B
C
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#include "putty.h"
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#include "misc.h"
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void seat_antispoof_msg(Seat *seat, const char *msg)
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{
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strbuf *sb = strbuf_new();
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seat_set_trust_status(seat, true);
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if (seat_can_set_trust_status(seat)) {
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/*
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* If the seat can directly indicate that this message is
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* generated by the client, then we can just use the message
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* unmodified as an unspoofable header.
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*/
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put_datapl(sb, ptrlen_from_asciz(msg));
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} else {
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/*
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* Otherwise, add enough padding around it that the server
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* wouldn't be able to mimic it within our line-length
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* constraint.
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*/
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strbuf_catf(sb, "-- %s ", msg);
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while (sb->len < 78)
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put_byte(sb, '-');
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}
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put_datapl(sb, PTRLEN_LITERAL("\r\n"));
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seat_banner_pl(seat, ptrlen_from_strbuf(sb));
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strbuf_free(sb);
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}
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