X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fbuildconfig.c;h=4ed2874141548a2e1cb6a6294c550112f36f95fb;hp=49d8c411ac1cbd904a82ecad8c2f164d0e335d09;hb=b6323c752c9eb254c2330f369479cf039ed54c05;hpb=a7cbbf501402231457e8167b6d446f4df454ba17 diff --git a/src/src/buildconfig.c b/src/src/buildconfig.c index 49d8c411a..4ed287414 100644 --- a/src/src/buildconfig.c +++ b/src/src/buildconfig.c @@ -1,10 +1,8 @@ -/* $Cambridge: exim/src/src/buildconfig.c,v 1.21 2010/06/13 08:26:40 pdp Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2009 */ +/* Copyright (c) University of Cambridge 1995 - 2016 */ /* See the file NOTICE for conditions of use and distribution. */ @@ -42,16 +40,16 @@ normally called independently. */ #include typedef struct { - char *name; + const char *name; int *flag; } have_item; typedef struct { - char *name; + const char *name; char *data; } save_item; -static char *db_opts[] = { "", "USE_DB", "USE_GDBM", "USE_TDB" }; +static const char *db_opts[] = { "", "USE_DB", "USE_GDBM", "USE_TDB" }; static int have_ipv6 = 0; static int have_iconv = 0; @@ -103,9 +101,14 @@ main(int argc, char **argv) { off_t test_off_t = 0; time_t test_time_t = 0; +#if ! (__STDC_VERSION__ >= 199901L) size_t test_size_t = 0; +ssize_t test_ssize_t = 0; unsigned long test_ulong_t = 0L; +unsigned int test_uint_t = 0; +#endif long test_long_t = 0; +int test_int_t = 0; FILE *base; FILE *new; int last_initial = 'A'; @@ -179,15 +182,27 @@ else fprintf(new, "#endif\n\n"); /* And for sizeof() results, size_t, which should with C99 be just %zu, deal -with C99 not being ubiquitous yet. Unfortunately. */ +with C99 not being ubiquitous yet. Unfortunately. Assume ssize_t is same +size as size_t on C99; if someone comes up with a version where it's not, fix +it then. */ #if __STDC_VERSION__ >= 199901L fprintf(new, "#define SIZE_T_FMT \"%%zu\"\n"); +fprintf(new, "#define SSIZE_T_FMT \"%%zd\"\n"); #else if (sizeof(test_size_t) > sizeof (test_ulong_t)) fprintf(new, "#define SIZE_T_FMT \"%%llu\"\n"); -else +else if (sizeof(test_size_t) > sizeof (test_uint_t)) fprintf(new, "#define SIZE_T_FMT \"%%lu\"\n"); +else + fprintf(new, "#define SIZE_T_FMT \"%%u\"\n"); + +if (sizeof(test_ssize_t) > sizeof(test_long_t)) + fprintf(new, "#define SSIZE_T_FMT \"%%lld\"\n"); +else if (sizeof(test_ssize_t) > sizeof(test_int_t)) + fprintf(new, "#define SSIZE_T_FMT \"%%ld\"\n"); +else + fprintf(new, "#define SSIZE_T_FMT \"%%d\"\n"); #endif /* Now search the makefile for certain settings */ @@ -332,6 +347,16 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) while (*p == ' ' || *p == '\t') p++; + if (strncmp(p, "#ifdef ", 7) == 0 + || strncmp(p, "#ifndef ", 8) == 0 + || strncmp(p, "#if ", 4) == 0 + || strncmp(p, "#endif", 6) == 0 + ) + { + fputs(buffer, new); + continue; + } + if (strncmp(p, "#define ", 8) != 0) continue; p += 8; @@ -557,9 +582,9 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) int isgroup = name[10] == 'G'; uid_t uid = 0; gid_t gid = 0; - char *s; - char *username = NULL; - char *user = getenv(name); + const char *s; + const char *username = NULL; + const char *user = getenv(name); if (user == NULL) user = ""; while (isspace((unsigned char)(*user))) user++; @@ -600,8 +625,7 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) while (isspace(*user)) user++; username = user; } - - else if (isgroup) +else if (isgroup) { struct group *gr = getgrnam(user); if (gr == NULL) @@ -703,17 +727,31 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) continue; } - /* WITH_CONTENT_SCAN is another special case: it must be set if either it or - WITH_OLD_DEMIME is set. */ + /* WITH_CONTENT_SCAN is another special case: it must be set if it or + EXPERIMENTAL_DCC is set. */ if (strcmp(name, "WITH_CONTENT_SCAN") == 0) { char *wcs = getenv("WITH_CONTENT_SCAN"); - char *wod = getenv("WITH_OLD_DEMIME"); char *dcc = getenv("EXPERIMENTAL_DCC"); - if (wcs != NULL || wod != NULL || dcc != NULL) - fprintf(new, "#define WITH_CONTENT_SCAN yes\n"); - else fprintf(new, "/* WITH_CONTENT_SCAN not set */\n"); + fprintf(new, wcs || dcc + ? "#define WITH_CONTENT_SCAN yes\n" + : "/* WITH_CONTENT_SCAN not set */\n"); + continue; + } + + /* DISABLE_DKIM is special; must be forced if no SUPPORT_TLS */ + if (strcmp(name, "DISABLE_DKIM") == 0) + { + char *d_dkim = getenv("DISABLE_DKIM"); + char *tls = getenv("SUPPORT_TLS"); + + if (d_dkim) + fprintf(new, "#define DISABLE_DKIM yes\n"); + else if (!tls) + fprintf(new, "#define DISABLE_DKIM yes /* forced by lack of TLS */\n"); + else + fprintf(new, "/* DISABLE_DKIM not set */\n"); continue; } @@ -787,7 +825,11 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) strncpy(buffer, ss, sss-ss); buffer[sss-ss] = 0; /* For empty case */ } - else strcpy(buffer, ss); + else + { + strncpy(buffer, ss, sizeof(buffer)); + buffer[sizeof(buffer)-1] = 0; + } pp = buffer + (int)strlen(buffer); while (pp > buffer && isspace((unsigned char)pp[-1])) pp--; *pp = 0; @@ -806,9 +848,51 @@ while (fgets(buffer, sizeof(buffer), base) != NULL) else if (strcmp(name, "TIMEZONE_DEFAULT") == 0|| strcmp(name, "TCP_WRAPPERS_DAEMON_NAME") == 0|| strcmp(name, "HEADERS_CHARSET") == 0|| - strcmp(name, "WHITELIST_D_MACROS") == 0) + strcmp(name, "WHITELIST_D_MACROS") == 0) fprintf(new, "\"%s\"\n", value); + /* GnuTLS constants; first is for debugging, others are tuning */ + + /* less than 0 is not-active; 0-9 are normal, API suggests higher + taken without problems */ + else if (strcmp(name, "EXIM_GNUTLS_LIBRARY_LOG_LEVEL") == 0) + { + long nv; + char *end; + nv = strtol(value, &end, 10); + if (end != value && *end == '\0' && nv >= -1 && nv <= 100) + { + fprintf(new, "%s\n", value); + } + else + { + printf("Value of %s should be -1..9\n", name); + return 1; + } + } + + /* how many bits Exim, as a client, demands must be in D-H */ + /* 1024 is a historical figure; some sites actually use lower, so we + permit the value to be lowered "dangerously" low, but not "insanely" + low. Though actually, 1024 is becoming "dangerous". */ + else if ((strcmp(name, "EXIM_CLIENT_DH_MIN_MIN_BITS") == 0) || + (strcmp(name, "EXIM_CLIENT_DH_DEFAULT_MIN_BITS") == 0) || + (strcmp(name, "EXIM_SERVER_DH_BITS_PRE2_12") == 0)) + { + long nv; + char *end; + nv = strtol(value, &end, 10); + if (end != value && *end == '\0' && nv >= 512 && nv < 500000) + { + fprintf(new, "%s\n", value); + } + else + { + printf("Unreasonable value (%s) of \"%s\".\n", value, name); + return 1; + } + } + /* For others, quote any paths and don't quote anything else */ else