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485 commits

Author SHA1 Message Date
Andrew Scott 6299bdbf04
src/common: return -1 from get_addr on error 
getaddrinfo will typically return negative values for errors, but this
is not the case for all systems. For example, glibc defines the errors
as negative, but the WSA equivalents are all positive. This commit
unifies the approach within iodine by always returning -1 in the event
getaddrinfo is unsuccessful.
 2024-10-29 18:37:31 -04:00
Erik Ekman 2c7940cf77 Fix clang warning 
"a function declaration without a prototype is deprecated in all versions of C"
 2024-07-15 23:54:25 +02:00
Erik Ekman 6be47466f2 Try to include relevant parts of macos if_utun.h 
To compile without it (pre 10.6)

See bug #98
 2024-07-15 23:46:22 +02:00
Erik Ekman ec5c89a368
Merge pull request #93 from ffontaine/master 
src/osflags: fully fix cross-compilation
 2023-11-30 00:29:17 +01:00
François Revol 39c3154a77 Haiku has daemon() in libbsd 2023-11-18 18:20:22 +01:00
François Revol 8ba813f08e osflags: on Haiku, require BSD headers and lib 2023-11-18 18:19:14 +01:00
Fabrice Fontaine a5d71d0761 src/osflags: fully fix cross-compilation 
Cross-compilation was only partially fixed by
024481c94b
as selinux was still enabled depending on host file existence

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 2023-11-02 23:03:15 +01:00
Pouria Mousavizadeh Tehrani 9262863cae
tzsetwall() is deprecated, use tzset() instead. 
/usr/ports/net/iodine/work/iodine-0.8.0/src/iodined.c:2757: warning: warning: tzsetwall() is deprecated, use tzset() instead.
 2023-04-19 00:21:08 +03:30
Erik Ekman 3cb6a1eec2 user: Expand newip char array 
Avoid warning
../src/user.c:66:17: note: ‘snprintf’ output between 8 and 18 bytes into a destination of size 16
 2022-07-18 23:35:54 +02:00
Erik Ekman 17169e3444 tun: Add openvpn componentid prefix 
Some drivers use root prefix. See https://patchwork.openvpn.net/patch/555/

Hopefully helping with bugs #46 and #73.
 2022-07-18 23:31:13 +02:00
Erik Ekman 3818a59541 util: Remove duplicate assignments of rv to NULL 2021-08-25 22:05:19 +02:00
Erik Ekman 95fde8b3ee Handle wildcard prefix of allowed tunnel domain names 2021-08-25 01:24:58 +02:00
Erik Ekman f1e7823a3d Add helper for matching topdomain and getting data length 2021-08-25 01:13:48 +02:00
Erik Ekman 589027568b Add option to allow wildcard as start of topdomain 2021-08-24 23:32:57 +02:00
Erik Ekman f5a82afe29 Initialize get_resolvconf_addr variable rv to NULL 
Getting warning compiling for Android:

./util.c:35:6: warning: variable 'rv' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
        if (sscanf(buf, "%15s", addr) == 1)
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./util.c:79:9: note: uninitialized use occurs here
        return rv;
               ^~
 2021-08-16 15:06:02 +02:00
Erik Ekman 569a86a140 Fix Android cross-compile 
./common.h:136:29: error: unknown type name 'va_list'
 void vwarn(const char *fmt, va_list list);
                             ^
 2021-08-16 14:45:02 +02:00
Erik Ekman cb6cbecba1 Make it clearer that iodine is asking for a password 
To not confuse it with sudo or similar
 2021-08-16 10:34:41 +02:00
Erik Ekman ee623a2d84 Rework handling of IPv6 address failures 
Skip IPv6 on any error getting the default address (::) if IPv6 is not
explicitly chosen.
 2021-08-11 09:23:03 +02:00
Erik Ekman 43a82ef6be Print getaddrinfo failure properly 2021-08-09 13:42:49 +02:00
Erik Ekman 559dafb030 Attempt skipping IPv6 if not supported 2021-08-09 12:14:42 +02:00
Erik Ekman f2b619faad Allow looking up external address and listen to it 2021-06-04 19:06:03 +02:00
Erik Ekman a6d82b1a44 Allow listen adresses to be non-numeric (using domains) 2021-06-04 18:57:34 +02:00
Erik Ekman 8041e0368c Print address when failing to bind 2021-06-04 18:38:50 +02:00
Erik Ekman d02f1b4f41 tun: Fix warning 
tun.c:389:19: warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]
        if (addr.sc_unit < 0) {
            ~~~~~~~~~~~~ ^ ~
 2021-05-14 13:38:51 +02:00
Erik Ekman 02173b8352 Fix iteration of utun devices on macos 
Pass the constructed name instead of NULL to open_utun

Also add some error handling to utun_unit.
 2021-05-13 20:13:00 +02:00
Erik Ekman dc307b7183 Add prototypes for vwarn/vwarnx 
Fixes this warning:
common.c:406:1: warning: no previous prototype for 'vwarn' [-Wmissing-prototypes]
  406 | vwarn(const char *fmt, va_list list)
      | ^~~~~
common.c:429:1: warning: no previous prototype for 'vwarnx' [-Wmissing-prototypes]
  429 | vwarnx(const char *fmt, va_list list)
      | ^~~~~~

Also move err() to have non-x versions first.
 2021-01-31 14:08:27 +01:00
Erik Ekman 6a7763c210 More compact no-op of Windows syslog 2021-01-31 14:01:13 +01:00
Erik Ekman cc51ee6f02 Formatting: Indent multi-line prints less 2021-01-31 13:54:09 +01:00
Erik Ekman 4b3d6e2962 Formatting: Use tabs for indents 2021-01-31 13:46:12 +01:00
Erik Ekman a9045705ba tun: Automatically attempt to use utun on mac 
Once /dev/tunX has been tried without success
 2021-01-21 17:40:22 +01:00
Erik Ekman 39356163d9 Formatting: Fix mixed use of tabs and spaces 2020-08-01 17:29:49 +02:00
Erik Ekman 9a041683be Formatting: Fix lines starting with spaces 2020-08-01 17:19:37 +02:00
Erik Ekman 8d2c86c73d Fix strncat size argument in send_handshake_query 
Found by clang:
client.c:1276:26: warning: the value of the size argument in 'strncat' is too large, might lead to a buffer overflow [-Wstrncat-size]
        strncat(buf, topdomain, sizeof(buf) - strlen(buf));
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
 2020-07-25 15:45:24 +02:00
Erik Ekman b7b1082dc6 client: Stop passing static variable userid to local functions 2020-07-24 21:17:18 +02:00
Erik Ekman c399f915b7 Improve logging around getting server address 2020-07-24 21:01:38 +02:00
Erik Ekman bbb604db06 Use send_handshake_query inside send_lazy_switch 2020-07-24 20:49:39 +02:00
Erik Ekman ba90706429 Replace send_downenc_switch with send_handshake_query 2020-07-24 20:38:45 +02:00
Erik Ekman 9cba3299c4 Replace send_ip_request with send_handshake_query 2020-07-24 20:36:51 +02:00
Erik Ekman 5de13805d8 Replace send_codec_switch with send_handshake_query 2020-07-24 20:36:41 +02:00
Erik Ekman d74939d323 Add send_handshake_query helper function 
Convert send_downenctest to use it.
Remove unused data/len args from send_downenctest.
 2020-07-24 20:18:07 +02:00
Erik Ekman a8a20f570e Formatting: spaces around operators 2020-07-24 19:15:02 +02:00
Erik Ekman aeacfbc2c0 Formatting: No spaces after '(' or before ')' 2020-07-24 19:02:41 +02:00
Erik Ekman 15f12d0693 Formatting: Space between 'for' and parenthesis 2020-07-24 18:57:57 +02:00
Erik Ekman 19d0d1be64 Formatting: Space between 'if' and parenthesis 2020-07-24 18:56:30 +02:00
Erik Ekman 310aedac8e Formatting: no space before parenthesis in function call. 2020-07-24 18:51:05 +02:00
Erik Ekman cde0b7632d Set additional record count properly in NS reply 
For when there is no IPv4 address to return.
 2020-07-23 22:12:07 +02:00
Erik Ekman ec6a1ac308 Fix IPv4 address in replies to A or NS queries (github issue #38) 
The destination field in struct query was changed from in_addr_t to
struct sockaddr_storage, wihtout updating the functions sending it
in src/dns.c.

Only add extra A answer for NS queries if destination refers to an
IPv4 address, and fail if trying to encode a reply to an A query
if destination is not IPv4.

This means NS requests received over IPv6 will not contain an address
and A requests will be ignored, unless the -n option is used, or the
www subdomain is requested which sets a fixed address (127.0.0.1).
 2020-07-23 21:49:46 +02:00
Erik Ekman d8f3ac8971 Add helper function tun_uses_header() 
Remove code duplication and hide some ifdefs
 2020-07-03 17:06:14 +02:00
Erik Ekman 07b2978326 Only check for utun if tun_device was given 
Fixes github issue #37 hopefully.
 2020-07-03 16:53:30 +02:00
Erik Ekman 2032b44949 Look up external IP via DNS instead of HTTP 
Use myip.opendns.com via their resolver.

The code is now TCP free again :)
 2020-05-24 16:06:41 +02:00