From 89b7b67a13ebb7965cc7f13ad0595e2194a2d34c Mon Sep 17 00:00:00 2001 From: Jannis Hoffmann Date: Wed, 3 Jul 2024 15:48:04 +0200 Subject: add sqmail-4.2.29a --- src/smtpdlog.c | 271 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 271 insertions(+) create mode 100755 src/smtpdlog.c (limited to 'src/smtpdlog.c') diff --git a/src/smtpdlog.c b/src/smtpdlog.c new file mode 100755 index 0000000..1b44af1 --- /dev/null +++ b/src/smtpdlog.c @@ -0,0 +1,271 @@ +#include +#include "buffer.h" +#include "str.h" +#include "byte.h" +#include "env.h" +#include "fmt.h" +#include "exit.h" +#include "smtpdlog.h" +#define FDLOG 2 + +char *reply421pgl; +char *reply550hlo; +char *reply550mbx; +char *reply552siz; +char *reply553bmf; +char *reply553brt; +char *reply553ngw; +char *reply553env; +char *reply553inv; +char *reply554cnt; + +static char strnum[FMT_ULONG]; +static char logbuf[512]; +buffer bo2 = BUFFER_INIT(write,FDLOG,logbuf,sizeof(logbuf)); + +void smtpdlog_init() +{ + reply421pgl = env_get("REPLY_GREYLISTED"); + reply550hlo = env_get("REPLY_HELO"); + reply550mbx = env_get("REPLY_MAILBOX"); + reply552siz = env_get("REPLY_MAXSIZE"); + reply553bmf = env_get("REPLY_BADMAILFROM"); + reply553brt = env_get("REPLY_BADRCPTTO"); + reply553env = env_get("REPLY_SENDEREXIST"); + reply553ngw = env_get("REPLY_NOGATEWAY"); + reply553inv = env_get("REPLY_SENDERINVALID"); + reply554cnt = env_get("REPLY_CONTENT"); +} + +static void logs(char *s) { if (buffer_puts(&bo2,s) == -1) _exit(1); } /* single string */ +static void logp(char *s) { logs(" P:"); logs(s); } /* protocol */ +static void logh(char *s1,char *s2,char *s3) { logs(" S:"); logs(s1); logs(":"); logs(s2); logs(" H:"); logs(s3); } /* host */ +static void logm(char *s) { logs(" F:"); logs(s); } /* mailfrom */ +static void logt(char *s) { logs(" T:"); logs(s); } /* rcptto */ +static void logi(char *s) { logs(" '"); logs(s); logs("'"); } /* information */ +static void logn(char *s) { if (buffer_puts(&bo2,s) == -1 ) _exit(1); if (buffer_flush(&bo2) == -1) _exit(1); } /* end */ +static void logpid() { strnum[fmt_ulong(strnum,getpid())] = 0; logs("qmail-smtpd: pid "); logs(strnum); logs(" "); } + +void smtp_loga(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8,char *s9) + { logpid(); logs(s1); logs(s9); logp(s2); logh(s3,s4,s5); logm(s6); logt(s7), logs(" ?~"); logi(s8); logn("\n"); } /* Auth info */ +void smtp_logb(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) + { logpid(); logs(s1); logs(s7); logp(s2); logh(s3,s4,s5); logs(" ?~"); logi(s6); logn("\n"); } /* Auth info */ +void smtp_logg(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) + { logpid(); logs(s1); logp(s2); logh(s3,s4,s5); logm(s6); logt(s7); logn("\n"); } /* Generic */ +void smtp_logh(char *s1,char *s2,char *s3,char *s4,char *s5) + { logpid(); logs(s1); logp(s2); logh(s3,s4,s5); logn("\n"); } /* Host */ +void smtp_logi(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8) + { logpid(); logs(s1); logp(s2); logh(s3,s4,s5); logm(s6); logt(s7); logi(s8); logn("\n"); } /* Generic + Info */ +void smtp_logr(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8) + { logpid(); logs(s1); logs(s2); logp(s3); logh(s4,s5,s6); logm(s7); logt(s8); logn("\n"); } /* Recipient */ + +void die_read() { _exit(1); } +void die_alarm() { out("451 timeout (#4.4.2)\r\n"); flush(); _exit(1); } +void die_nomem() { out("421 out of memory (#4.3.0)\r\n"); flush(); _exit(1); } +void die_control() { out("421 unable to read controls (#4.3.0)\r\n"); flush(); _exit(1); } +void die_ipme() { out("421 unable to figure out my IP addresses (#4.3.0)\r\n"); flush(); _exit(1); } +void die_starttls() { out("454 TLS not available due to temporary reason (#5.7.3)\r\n"); flush(); _exit(1); } +void die_recipients() { out("421 unable to check recipients (#4.3.0)\r\n"); flush(); _exit(1); } + +void err_unimpl() { out("500 unimplemented (#5.5.1)\r\n"); } +void err_syntax() { out("555 syntax error (#5.5.4)\r\n"); } +void err_noop() { out("250 ok\r\n"); } +void err_vrfy() { out("252 send some mail, i'll try my best\r\n"); } +void err_qqt() { out("451 qqt failure (#4.3.0)\r\n"); } + +int err_child() { out("454 problem with child and I can't auth (#4.3.0)\r\n"); return -1; } +int err_fork() { out("454 child won't start and I can't auth (#4.3.0)\r\n"); return -1; } +int err_pipe() { out("454 unable to open pipe and I can't auth (#4.3.0)\r\n"); return -1; } +int err_write() { out("454 unable to write pipe and I can't auth (#4.3.0)\r\n"); return -1; } + +int err_postgl() { out("454 problem with child and I can't greylist (#4.3.0)\r\n"); return -1; } +int err_forkgl() { out("454 problem with child and I can't greylist (#4.3.0)\r\n"); return -1; } + +/* TLS */ + +int err_starttls() +{ + out("454 TLS not available due to temporary reason (#5.7.3)\r\n"); + _exit(1); +} +void err_tlsreq(char *s1,char *s2,char *s3,char *s4,char *s5) +{ + out("535 STARTTLS required (#5.7.1)\r\n"); + smtp_logh(s1,s2,s3,s4,s5); +} + +/* Helo */ + +void err_helo(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8) +{ + out("550 sorry, invalid HELO/EHLO greeting "); + if (reply550hlo) out(reply550hlo); + out(" (#5.7.1)\r\n"); + smtp_logi(s1,s2,s3,s4,s5,s6,s7,s8); + } + +/* Auth */ + +void err_authsetup(char *s1,char *s2,char *s3,char *s4,char *s5) +{ + out("530 Auth not available (#5.7.1)\r\n"); + smtp_logh(s1,s2,s3,s4,s5); +} +void err_authd() +{ + out("503 you're already authenticated (#5.5.0)\r\n"); +} +void err_authmail() +{ + out("503 no auth during mail transaction (#5.5.0)\r\n"); +} +void err_authfail(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("535 authentication failed (#5.7.1)\r\n"); smtp_logb(s1,s2,s3,s4,s5,s6,s7); +} +void err_authreq(char *s1,char *s2,char *s3,char *s4,char *s5) +{ + out("535 authentication required (#5.7.1)\r\n"); smtp_logh(s1,s2,s3,s4,s5); +} +void err_submission(char *s1,char *s2,char *s3,char *s4,char *s5) +{ + out("530 Authorization required (#5.7.1) \r\n"); smtp_logh(s1,s2,s3,s4,s5); +} +int err_authabort() +{ + out("501 auth exchange canceled (#5.0.0)\r\n"); + return -1; +} +int err_authinput() +{ + out("501 malformed auth input (#5.5.4)\r\n"); + return -1; +} +void err_authinvalid(char *s1,char *s2,char *s3,char *s4,char *s5) +{ + out("504 auth type unimplemented (#5.5.1)\r\n"); + smtp_logh(s1,s2,s3,s4,s5); +} +int err_noauth() +{ + out("504 auth type unimplemented (#5.5.1)\r\n"); + return -1; +} + +/* Mail From: */ + +void err_wantmail() { out("503 MAIL first (#5.5.1)\r\n"); } + +void err_mav(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("553 sorry, invalid sender address specified "); + if (reply553inv) out(reply553inv); + out(" (#5.7.1)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_bmf(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8) +{ + out("553 sorry, your envelope sender is in my badmailfrom list "); + if (reply553bmf) out(reply553bmf); + out(" (#5.7.1)\r\n"); + smtp_logi(s1,s2,s3,s4,s5,s6,s7,s8); +} +void err_mfdns(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("553 sorry, your envelope sender must exist "); + if (reply553env) out(reply553env); + out(" (#5.7.1)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} + +/* SPF */ + +void err_spf(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *msg) +{ + int i, j; + int len = str_len(msg); + + for (i = 0; i < len; i = j + 1) { + j = byte_chr(msg + i, len - i, '\n') + i; + if (j < len) { + out("550-"); + msg[j] = 0; + out(msg); + msg[j] = '\n'; + } else { + out("550 "); + out(msg); + } + } + out(" (#5.7.1)\r\n"); + + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} + +/* Rcpt To: */ + +void err_wantrcpt() { out("503 RCPT first (#5.5.1)\r\n"); } + +void postgrey(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("421 greylisted"); + if (reply421pgl) out(reply421pgl); + out(" (#4.3.0)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_nogateway(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("553 sorry, that domain isn't in my list of allowed rcpthosts "); + if (reply553ngw) out(reply553ngw); + out(" (#5.7.1)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_brt(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("553 sorry, your envelope recipient is in my badrcptto list "); + if (reply553brt) out(reply553brt); + out(" (#5.7.1)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_rcpts(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("452 sorry, too many recipients (#4.5.3)\r\n"); /* RFC 5321 */ + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_recipient(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + if (env_get("RECIPIENTS450")) + out("450 sorry, mailbox currently unavailable (#4.2.1)\r\n"); + else { + out("550 sorry, no mailbox by that name "); + if (reply550mbx) out(reply550mbx); out(" (#5.7.1)\r\n"); + } + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} + +/* Data */ + +void straynewline() +{ + out("451 Bare Line Feeds (LF) are not accepted in SMTP; CRLF is required according to RFC 2822.\r\n"); + flush(); + _exit(1); +} +void err_notorious() +{ + out("503 DATA command not accepted at this time (#5.5.1)\r\n"); + flush(); + _exit(1); +} +void err_size(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7) +{ + out("552 sorry, that message size exceeds my databytes limit (#5.3.4)\r\n"); + smtp_logg(s1,s2,s3,s4,s5,s6,s7); +} +void err_data(char *s1,char *s2,char *s3,char *s4,char *s5,char *s6,char *s7,char *s8) +{ + out("554 sorry, invalid message content "); + if (reply554cnt) out(reply554cnt); + out(" (#5.3.2)\r\n"); + smtp_logi(s1,s2,s3,s4,s5,s6,s7,s8); +} -- cgit v1.2.3