1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright (c) 2001 Sendmail, Inc. and its suppliers. 3*7c478bd9Sstevel@tonic-gate * All rights reserved. 4*7c478bd9Sstevel@tonic-gate * 5*7c478bd9Sstevel@tonic-gate * By using this file, you agree to the terms and conditions set 6*7c478bd9Sstevel@tonic-gate * forth in the LICENSE file which can be found at the top level of 7*7c478bd9Sstevel@tonic-gate * the sendmail distribution. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate */ 10*7c478bd9Sstevel@tonic-gate 11*7c478bd9Sstevel@tonic-gate #include <sm/gen.h> 12*7c478bd9Sstevel@tonic-gate SM_RCSID("@(#)$Id: cf.c,v 1.4 2001/02/01 02:40:21 dmoen Exp $") 13*7c478bd9Sstevel@tonic-gate 14*7c478bd9Sstevel@tonic-gate #include <ctype.h> 15*7c478bd9Sstevel@tonic-gate #include <errno.h> 16*7c478bd9Sstevel@tonic-gate 17*7c478bd9Sstevel@tonic-gate #include <sm/cf.h> 18*7c478bd9Sstevel@tonic-gate #include <sm/io.h> 19*7c478bd9Sstevel@tonic-gate #include <sm/string.h> 20*7c478bd9Sstevel@tonic-gate #include <sm/heap.h> 21*7c478bd9Sstevel@tonic-gate 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate ** SM_CF_GETOPT -- look up option values in the sendmail.cf file 24*7c478bd9Sstevel@tonic-gate ** 25*7c478bd9Sstevel@tonic-gate ** Open the sendmail.cf file and parse all of the 'O' directives. 26*7c478bd9Sstevel@tonic-gate ** Each time one of the options named in the option vector optv 27*7c478bd9Sstevel@tonic-gate ** is found, store a malloced copy of the option value in optv. 28*7c478bd9Sstevel@tonic-gate ** 29*7c478bd9Sstevel@tonic-gate ** Parameters: 30*7c478bd9Sstevel@tonic-gate ** path -- pathname of sendmail.cf file 31*7c478bd9Sstevel@tonic-gate ** optc -- size of option vector 32*7c478bd9Sstevel@tonic-gate ** optv -- pointer to option vector 33*7c478bd9Sstevel@tonic-gate ** 34*7c478bd9Sstevel@tonic-gate ** Results: 35*7c478bd9Sstevel@tonic-gate ** 0 on success, or an errno value on failure. 36*7c478bd9Sstevel@tonic-gate ** An exception is raised on malloc failure. 37*7c478bd9Sstevel@tonic-gate */ 38*7c478bd9Sstevel@tonic-gate 39*7c478bd9Sstevel@tonic-gate int 40*7c478bd9Sstevel@tonic-gate sm_cf_getopt(path, optc, optv) 41*7c478bd9Sstevel@tonic-gate char *path; 42*7c478bd9Sstevel@tonic-gate int optc; 43*7c478bd9Sstevel@tonic-gate SM_CF_OPT_T *optv; 44*7c478bd9Sstevel@tonic-gate { 45*7c478bd9Sstevel@tonic-gate SM_FILE_T *cfp; 46*7c478bd9Sstevel@tonic-gate char buf[2048]; 47*7c478bd9Sstevel@tonic-gate char *p; 48*7c478bd9Sstevel@tonic-gate char *id; 49*7c478bd9Sstevel@tonic-gate char *idend; 50*7c478bd9Sstevel@tonic-gate char *val; 51*7c478bd9Sstevel@tonic-gate int i; 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate cfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, path, SM_IO_RDONLY, NULL); 54*7c478bd9Sstevel@tonic-gate if (cfp == NULL) 55*7c478bd9Sstevel@tonic-gate return errno; 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate while (sm_io_fgets(cfp, SM_TIME_DEFAULT, buf, sizeof(buf)) != NULL) 58*7c478bd9Sstevel@tonic-gate { 59*7c478bd9Sstevel@tonic-gate p = strchr(buf, '\n'); 60*7c478bd9Sstevel@tonic-gate if (p != NULL) 61*7c478bd9Sstevel@tonic-gate *p = '\0'; 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate if (buf[0] != 'O' || buf[1] != ' ') 64*7c478bd9Sstevel@tonic-gate continue; 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate id = &buf[2]; 67*7c478bd9Sstevel@tonic-gate val = strchr(id, '='); 68*7c478bd9Sstevel@tonic-gate if (val == NULL) 69*7c478bd9Sstevel@tonic-gate val = idend = id + strlen(id); 70*7c478bd9Sstevel@tonic-gate else 71*7c478bd9Sstevel@tonic-gate { 72*7c478bd9Sstevel@tonic-gate idend = val; 73*7c478bd9Sstevel@tonic-gate ++val; 74*7c478bd9Sstevel@tonic-gate while (*val == ' ') 75*7c478bd9Sstevel@tonic-gate ++val; 76*7c478bd9Sstevel@tonic-gate while (idend > id && idend[-1] == ' ') 77*7c478bd9Sstevel@tonic-gate --idend; 78*7c478bd9Sstevel@tonic-gate *idend = '\0'; 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate for (i = 0; i < optc; ++i) 82*7c478bd9Sstevel@tonic-gate { 83*7c478bd9Sstevel@tonic-gate if (sm_strcasecmp(optv[i].opt_name, id) == 0) 84*7c478bd9Sstevel@tonic-gate { 85*7c478bd9Sstevel@tonic-gate optv[i].opt_val = sm_strdup_x(val); 86*7c478bd9Sstevel@tonic-gate break; 87*7c478bd9Sstevel@tonic-gate } 88*7c478bd9Sstevel@tonic-gate } 89*7c478bd9Sstevel@tonic-gate } 90*7c478bd9Sstevel@tonic-gate if (sm_io_error(cfp)) 91*7c478bd9Sstevel@tonic-gate { 92*7c478bd9Sstevel@tonic-gate int save_errno = errno; 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate (void) sm_io_close(cfp, SM_TIME_DEFAULT); 95*7c478bd9Sstevel@tonic-gate errno = save_errno; 96*7c478bd9Sstevel@tonic-gate return errno; 97*7c478bd9Sstevel@tonic-gate } 98*7c478bd9Sstevel@tonic-gate (void) sm_io_close(cfp, SM_TIME_DEFAULT); 99*7c478bd9Sstevel@tonic-gate return 0; 100*7c478bd9Sstevel@tonic-gate } 101