Initial revision

svn path=/trunk/; revision=1276

1 files changed, 128 insertions, 0 deletions

diff --git a/env.c b/env.c
new file mode 100644
index 00000000..ba70d82c
--- /dev/null
+++ b/env.c
@@ -0,0 +1,128 @@
+/*
+ * env.c -- small service routines
+ *
+ * For license terms, see the file COPYING in this directory.
+ */
+
+#include "config.h"
+#include "fetchmail.h"
+#include <stdio.h>
+#if defined(STDC_HEADERS)
+#include <stdlib.h>
+#endif
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+#include <pwd.h>
+#include <string.h>
+
+char *user, *home, *fetchmailhost;
+
+extern char *program_name;
+
+void envquery(int argc, char **argv)
+/* set up basic stuff from the environment (including the rc file name) */
+{
+    char *tmpdir, tmpbuf[BUFSIZ]; 
+    struct passwd *pw;
+    struct query *ctl;
+
+    if ((program_name = strrchr(argv[0], '/')) != NULL)
+	++program_name;
+    else
+	program_name = argv[0];
+
+    if ((user = getenv("USER")) == (char *)NULL)
+        user = getenv("LOGNAME");
+
+    if ((user == (char *)NULL) || (home = getenv("HOME")) == (char *)NULL)
+    {
+	if ((pw = getpwuid(getuid())) != NULL)
+	{
+	    user = pw->pw_name;
+	    home = pw->pw_dir;
+	}
+	else
+	{
+	    fprintf(stderr,
+		    "%s: can't find your name and home directory!\n",
+		    program_name);
+	    exit(PS_UNDEFINED);
+	}
+    }
+
+    /* we'll need this for the SMTP forwarding target and error messages */
+    if (gethostname(tmpbuf, sizeof(tmpbuf)))
+    {
+	fprintf(stderr, "%s: can't determine your host!", program_name);
+	exit(PS_IOERR);
+    }
+    fetchmailhost = xstrdup(tmpbuf);
+
+#define RCFILE_NAME	".fetchmailrc"
+    rcfile = (char *) xmalloc(strlen(home)+strlen(RCFILE_NAME)+2);
+    strcpy(rcfile, home);
+    strcat(rcfile, "/");
+    strcat(rcfile, RCFILE_NAME);
+}
+
+char *showproto(int proto)
+/* protocol index to protocol name mapping */
+{
+    switch (proto)
+    {
+    case P_AUTO: return("auto"); break;
+#ifdef POP2_ENABLE
+    case P_POP2: return("POP2"); break;
+#endif /* POP2_ENABLE */
+    case P_POP3: return("POP3"); break;
+    case P_IMAP: return("IMAP"); break;
+    case P_IMAP_K4: return("IMAP-K4"); break;
+    case P_APOP: return("APOP"); break;
+    case P_RPOP: return("RPOP"); break;
+    case P_ETRN: return("ETRN"); break;
+    default: return("unknown?!?"); break;
+    }
+}
+
+char *visbuf(const char *buf)
+/* visibilize a given string */
+{
+    static char vbuf[BUFSIZ];
+    char *tp = vbuf;
+
+    while (*buf)
+    {
+	if (isprint(*buf) || *buf == ' ')
+	    *tp++ = *buf++;
+	else if (*buf == '\n')
+	{
+	    *tp++ = '\\'; *tp++ = 'n';
+	    buf++;
+	}
+	else if (*buf == '\r')
+	{
+	    *tp++ = '\\'; *tp++ = 'r';
+	    buf++;
+	}
+	else if (*buf == '\b')
+	{
+	    *tp++ = '\\'; *tp++ = 'b';
+	    buf++;
+	}
+	else if (*buf < ' ')
+	{
+	    *tp++ = '\\'; *tp++ = '^'; *tp++ = '@' + *buf;
+	    buf++;
+	}
+	else
+	{
+	    (void) sprintf(tp, "\\0x%02x", *buf++);
+	    tp += strlen(tp);
+	}
+    }
+    *tp++ = '\0';
+    return(vbuf);
+}
+
+/* env.c ends here */