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/*
* Handle starting up the mail command and piping the 822 headers
* and other data to it.
*/
#include "gup.h"
FILE *mail_open(int open_now, const char *to, const char *command,
const char *headers)
{
FILE *fp;
static char *m_to = NULL;
static char *m_command = NULL;
static char *m_headers = NULL;
/* Stash variables as they are defined */
if (to)
m_to = xstrdup(to);
if (command) {
#if 1
m_command = xstrdup(command);
#else
m_command = malloc(strlen(command) + 4 + sizeof(BACKSTOP_MAILID));
if (!m_command)
gupout(1, "malloc of m_command failed");
strcpy(m_command, command);
strcat(m_command, " -f ");
strcat(m_command, BACKSTOP_MAILID);
#endif
}
if (headers)
m_headers = xstrdup(headers);
if (!open_now)
return NULL;
if (!m_command)
gupout(1, "Install error. No mail command supplied");
fp = popen(m_command, "w");
if (!fp)
gupout(1, "Could not open a pipe to '%s'", m_command);
/* Write order is: TO: , supplied headers file, blank line.
* Note that the headers are expected to contain reply-to, Subject and
* such, but can be empty or non-existant for sendmail. Furthermore,
* there is no reason why a preceding blab of text cannot go in there too!
*/
if (m_to)
fprintf(fp, "To: %s\n", m_to);
if (m_headers) {
FILE *hdr_fp;
char lbuf[MAX_LINE_SIZE];
if ((hdr_fp = fopen(m_headers, "r"))) {
while (fgets(lbuf, sizeof(lbuf), hdr_fp))
fputs(lbuf, fp);
fclose(hdr_fp);
} else
logit(L_LOG, "WARNING: Could not open '%s' (%s)",
m_headers, strerror(errno));
} else /* Add a default header */
fputs("Subject: Results of your request\n", fp);
fputs("\n\n", fp); /* End of headers for certain */
return fp;
}
extern void mail_close(FILE *fp)
{
if (pclose(fp) == -1)
gupout(1, "pclose() of mail command failed");
}
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