diff options
Diffstat (limited to 'src/tls_start.c')
-rw-r--r-- | src/tls_start.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/tls_start.c b/src/tls_start.c new file mode 100644 index 0000000..a632f94 --- /dev/null +++ b/src/tls_start.c @@ -0,0 +1,82 @@ +#include <unistd.h> +#include "scan.h" +#include "env.h" +#include "open.h" +#include "stralloc.h" +#include "fd.h" +#include "logmsg.h" +#include "qmail.h" + +#define WHO "tls_start" + +static void die_nomem() { logmsg(WHO,111,FATAL,"out of memory"); } + +int starttls_init(void) +{ + unsigned long fd; + char *fdstr; + + if (!(fdstr = env_get("SSLCTLFD"))) return 0; + if (!scan_ulong(fdstr,&fd)) return 0; + if (write((int)fd,"Y",1) < 1) return 0; + + if (!(fdstr = env_get("SSLREADFD"))) return 0; + if (!scan_ulong(fdstr,&fd)) return 0; + if (fd_move(0,(int)fd) == -1) return 0; + + if (!(fdstr = env_get("SSLWRITEFD"))) return 0; + if (!scan_ulong(fdstr,&fd)) return 0; + if (fd_move(1,(int)fd) == -1) return 0; + + return 1; +} + +int starttls_info(void) +{ + unsigned long fd; + char *fdstr; + char envbuf[BUFSIZE_MESS]; + char *x; + int j; + + stralloc ssl_env = {0}; + stralloc ssl_parm = {0}; + stralloc ssl_value = {0}; + + if (!(fdstr = env_get("SSLCTLFD"))) return 0; + if (!scan_ulong(fdstr,&fd)) return 0; + + while ((j = read(fd,envbuf,BUFSIZE_MESS)) > 0 ) { + if (!stralloc_catb(&ssl_env,envbuf,j)) die_nomem(); + if (ssl_env.len >= 2 && ssl_env.s[ssl_env.len - 2] == 0 && ssl_env.s[ssl_env.len - 1] == 0) + break; + } + if (j <= 0) return 0; // nothing to read; really nothing + + x = ssl_env.s; + + for (j = 0; j < ssl_env.len - 1; ++j) { + if ( *x != '=' ) { + if (!stralloc_catb(&ssl_parm,x,1)) die_nomem(); + x++; + } else { + if (!stralloc_0(&ssl_parm)) die_nomem(); + x++; + + for (; j < ssl_env.len - j - 1; ++j) { + if ( *x != '\0' ) { + if (!stralloc_catb(&ssl_value,x,1)) die_nomem(); + x++; + } else { + if (!stralloc_0(&ssl_value)) die_nomem(); + x++; + if (!env_put(ssl_parm.s,ssl_value.s)) die_nomem(); + ssl_parm.len = 0; + ssl_value.len = 0; + break; + } + } + } + } + return j; +} |