https://gitlab.synchro.net/main/sbbs/-/commit/4d01818374e0bb40b1fa15ba
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
When writing/reading quotes.txt, ignore first 2 lines if WWIV-type

WWIV writes 2 lines of metadata to the beginning of its quotes.txt file created for external message editors. Its not clear yet what these lines should contain, but the first line apparently should contain a '#' character since BREdit checks for this character before deciding to throw-away/ignore these lines (don't use them for quoted text). Thanks mlong for this tip!

So if the external editor is set to "WWIV CHAIN.TXT" in SCFG (even if the door doesn't need/use it), then the quotes.txt file created by Synchronet will contain the extra 2 lines. We're just writing a # to the first line and the second line is blank.

This fixes reported issue #188.

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https://gitlab.synchro.net/main/sbbs/-/commit/b47b97c2602bdd784b0f63dc
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Detect smb_[f]allocdat() failure in editmsg()

CID 319091

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https://gitlab.synchro.net/main/sbbs/-/commit/bb18309c7f0cde12745b44ff
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Fix CID 33239: Argument cannot be negative

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https://gitlab.synchro.net/main/sbbs/-/commit/da406c0a793ce998e982dd88
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Fix CID 33235: Argument cannot be negative

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https://gitlab.synchro.net/main/sbbs/-/commit/2db618ae2da445cf21a420c5
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Fix smb.subnum corruption in writemsg()

Fix issue introduced 9 years ago that could cause a crash after replying to a post via email or netmail and then displaying the header of a poll message or a normal message with votes:

Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f9f9569a317 in sbbs_t::show_msg (this=0x7f9f70c56880,
smb=0x7f9f70c5e4e0, msg=0x7f9ebadf08b0, p_mode=4, post=0x7f9f18071a24)
at getmsg.cpp:255
255 ,cfg.sub[smb->subnum]->misc&SUB_ NAME ? useron.name : useron.alias, NET_NONE, NULL);
[Current thread is 1 (Thread 0x7f9ebadf3700 (LWP 23279))]
(gdb) print smb->subnum
$1 = 4294967295
(gdb) bt
#0 0x00007f9f9569a317 in sbbs_t::show_msg (this=0x7f9f70c56880,
smb=0x7f9f70c5e4e0, msg=0x7f9ebadf08b0, p_mode=4, post=0x7f9f18071a24)
at getmsg.cpp:255
#1 0x00007f9f957b2aee in sbbs_t::scanposts (this=0x7f9f70c56880, subnum=9,
mode=2, find=0x7f9ebadf1270 "") at readmsgs.cpp:670
#2 0x00007f9f957bb75a in sbbs_t::scanallsubs (this=0x7f9f70c56880, mode=2)
at scansubs.cpp:219
#3 0x00007f9f9568c948 in sbbs_t::exec_msg (this=0x7f9f70c56880,
csi=0x7f9f70c64768) at execmsg.cpp:315
#4 0x00007f9f95683129 in sbbs_t::exec_function (this=0x7f9f70c56880,
csi=0x7f9f70c64768) at execfunc.cpp:422
#5 0x00007f9f95679450 in sbbs_t::exec (this=0x7f9f70c56880,
csi=0x7f9f70c64768) at exec.cpp:1199
#6 0x00007f9f9577d742 in node_thread (arg=0x7f9f70c56880) at main.cpp:4364

writemsg() was changing the global smb.subnum and when writing an email or netmail, that subnum value is -1 (since it's not a sub-board) and then later show_msg() is using the smb.subnum as a index into scfg.sub[] when determining if the current user already voted on the message being displayed and then: bang, crash, fall down, go boom.

Simply saving and restoring the smb.subnum when executing an external editor is all that was needed here. And this is the first use of the C++ "auto" keyword in Synchronet!

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https://gitlab.synchro.net/main/sbbs/-/commit/208cc78b54ac851645e8cbd1
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Don't save draft messages upon disconnect for Guest or "no one" (user #0)

Fix issue #508

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https://gitlab.synchro.net/main/sbbs/-/commit/ff3864002e9a51e98b1c83f5
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Bounds-check the buffer being written in msgeditor()

Replace the suspicious strcpy/strcat's in msgeditor(), the built-in line editor, with bounds-enforced snprintf() calls.
Also, properly define MAX_LINE_LEN to account for the trailing \r\n on each line. It appears we've been under allocating the total possible message buffer size (by 2 bytes per line) for a while now.
These 2 changes together should fix issue #547: apparent heap corruption due
to 'buf' overflow in msgeditor().
Also added a line count check/cap-enforcement with logged error message if exceeded (should never happen).

Also fixed in this commit: off-by-one when enforcing max message length in msgeditor().

Also added checks that the 'cols' (used in MAX_LINE_LEN) are reasonable values (40+), 2 was below the threshold of what would be expected to work since
there is logic that deducts 4 from cols, for example.

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https://gitlab.synchro.net/main/sbbs/-/commit/2d9f8a32c55c82016b13d0a1
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
When writing messages with a 'top' in raw-input-mode, don't add excessive CRLF

If the top already ends in a blank line, no additional CRLF is warranted (between the 'top' and the raw-input message 'body').

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https://gitlab.synchro.net/main/sbbs/-/commit/84527be03f4d728bafe58f10
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Fix new GCC warning in printf format string.

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https://gitlab.synchro.net/main/sbbs/-/commit/4f9a8b209a160d8fac1fc4a3
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Address a couple of Coverity-reported defects

CID 452331
CID 452330

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https://gitlab.synchro.net/main/sbbs/-/commit/10beb091cd05d255e3911a80
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Log a file "create" error if process_edited_file() returns a negative value

I discovered that sbbs_t::editfile() (exposed as JS console.editfile) just silently failed if it couldn't write to the destination file
(e.g. permission denied by OS).

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https://gitlab.synchro.net/main/sbbs/-/commit/e3f17e6411aba06d9894b169
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Internal message/line editor improvements

* Allow left and right arrow keys to move between lines (within reason)
* Use the K_USEOFFSET getstr() mode flag to keep cursor position when moving
between lines with arrow keys
* Be smart about integer padding when /Listing lines with numbers
* Add range checking (!) and better error reporting for /Lx argument value

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https://gitlab.synchro.net/main/sbbs/-/commit/fbe51f3eec27287c29f058a1
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Fix off-by-one usage of snprintf() when copying message subject

- when converting from CP437 to UTF-8
- when reading from RESULT.ED drop file

This effectively limited message subjects in some instances to 69 chars
instead of 70. This bug was caught while debugging a replied-message subject conversion from UTF-8 to CP437 issue reported by Accession.

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https://gitlab.synchro.net/main/sbbs/-/commit/51cb7273a3a6d6c14e64e07f
Modified Files:
src/sbbs3/writemsg.cpp
Log Message:
Close file descriptor in error condition

Fix CID 516461

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