-/*
- * Strip "db" entries out of /etc/nsswitch.conf
- */
-void fixnss(void) {
- FILE *fp_read;
- int fd_write;
- char buf[256];
- char buf_nc[256];
- char question[512];
- int i;
- int file_changed = 0;
- char new_filename[64];
- int rv;
-
- fp_read = fopen(NSSCONF, "r");
- if (fp_read == NULL) {
- return;
- }
-
- strcpy(new_filename, "/tmp/ctdl_fixnss_XXXXXX");
- fd_write = mkstemp(new_filename);
- if (fd_write < 0) {
- fclose(fp_read);
- return;
- }
-
- while (fgets(buf, sizeof buf, fp_read) != NULL) {
- strcpy(buf_nc, buf);
- for (i=0; buf_nc[i]; ++i) {
- if (buf_nc[i] == '#') {
- buf_nc[i] = 0;
- break;
- }
- }
- for (i=0; i<strlen(buf_nc); ++i) {
- if (!strncasecmp(&buf_nc[i], "db", 2)) {
- if (i > 0) {
- if ((isspace(buf_nc[i+2])) || (buf_nc[i+2]==0)) {
- file_changed = 1;
- strcpy(&buf_nc[i], &buf_nc[i+2]);
- strcpy(&buf[i], &buf[i+2]);
- if (buf[i]==32) {
- strcpy(&buf_nc[i], &buf_nc[i+1]);
- strcpy(&buf[i], &buf[i+1]);
- }
- }
- }
- }
- }
- long buflen = strlen(buf);
- if (write(fd_write, buf, buflen) != buflen) {
- fclose(fp_read);
- close(fd_write);
- unlink(new_filename);
- return;
- }
- }
-
- fclose(fp_read);
-
- if (!file_changed) {
- unlink(new_filename);
- return;
- }
-
- snprintf(question, sizeof question,
- _(
- "\n"
- "/etc/nsswitch.conf is configured to use the 'db' module for\n"
- "one or more services. This is not necessary on most systems,\n"
- "and it is known to crash the Citadel server when delivering\n"
- "mail to the Internet.\n"
- "\n"
- "Do you want this module to be automatically disabled?\n"
- "\n"
- )
- );
-
- if (yesno(question, 1)) {
- snprintf(buf, sizeof buf, "/bin/mv -f %s %s", new_filename, NSSCONF);
- rv = system(buf);
- if (rv != 0) {
- fprintf(stderr, "failed to edit %s.\n", NSSCONF);
- }
- chmod(NSSCONF, 0644);
- }
- unlink(new_filename);
-}
-
-