X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/8a5a1a5303ddc67f06350a57a515853724a16e31..ddf3a8574f657dcb8c53fc5908e7bebbde1994b5:/uip/mhbuildsbr.c diff --git a/uip/mhbuildsbr.c b/uip/mhbuildsbr.c index b1b0f835..b96e63ac 100644 --- a/uip/mhbuildsbr.c +++ b/uip/mhbuildsbr.c @@ -13,18 +13,39 @@ * streamlining and removal of unneeded code. */ -#include +#include "h/mh.h" +#include "sbr/m_gmprot.h" +#include "sbr/m_getfld.h" +#include "sbr/concat.h" +#include "sbr/r1bindex.h" +#include "sbr/encode_rfc2047.h" +#include "sbr/copyip.h" +#include "sbr/cpydata.h" +#include "sbr/trimcpy.h" +#include "sbr/uprf.h" +#include "sbr/check_charset.h" +#include "sbr/getcpy.h" +#include "sbr/m_convert.h" +#include "sbr/getfolder.h" +#include "sbr/folder_read.h" +#include "sbr/folder_free.h" +#include "sbr/context_find.h" +#include "sbr/brkstring.h" +#include "sbr/pidstatus.h" +#include "sbr/path.h" +#include "sbr/error.h" #include -#include -#include -#include -#include -#include -#include -#include -#include "../sbr/m_mktemp.h" -#include "../sbr/message_id.h" -#include "../sbr/mime_type.h" +#include "h/mts.h" +#include "h/tws.h" +#include "h/fmt_scan.h" +#include "h/mime.h" +#include "h/mhparse.h" +#include "h/done.h" +#include "h/utils.h" +#include "mhmisc.h" +#include "sbr/m_mktemp.h" +#include "sbr/message_id.h" +#include "sbr/mime_type.h" #include "mhfree.h" #include "mhshowsbr.h" @@ -36,9 +57,9 @@ extern int debugsw; -extern int listsw; -extern int rfc934sw; -extern int contentidsw; +extern bool listsw; +extern bool rfc934sw; +extern bool contentidsw; static char prefix[] = "----- =_aaaaaaaaaa"; @@ -55,12 +76,6 @@ typedef struct convert_list { } convert_list; -/* mhmisc.c */ -void content_error (char *, CT, char *, ...); - -/* mhcachesbr.c */ -int find_cache (CT, int, int *, char *, char *, int); - /* * static prototypes */ @@ -78,19 +93,20 @@ static void set_id (CT, int); static int compose_content (CT, int); static int scan_content (CT, size_t); static int build_headers (CT, int); -static char *calculate_digest (CT, int); static int extract_headers (CT, char *, FILE **); static unsigned char directives_stack[32]; static unsigned int directives_index; -static int do_direct(void) +static int +do_direct(void) { return directives_stack[directives_index]; } -static void directive_onoff(int onoff) +static void +directive_onoff(int onoff) { if (directives_index >= sizeof(directives_stack) - 1) { fprintf(stderr, "mhbuild: #on/off overflow, continuing\n"); @@ -99,13 +115,15 @@ static void directive_onoff(int onoff) directives_stack[++directives_index] = onoff; } -static void directive_init(int onoff) +static void +directive_init(int onoff) { directives_index = 0; directives_stack[0] = onoff; } -static void directive_pop(void) +static void +directive_pop(void) { if (directives_index > 0) directives_index--; @@ -172,24 +190,26 @@ build_mime (char *infile, int autobuild, int dist, int directives, case FLDPLUS: compnum++; - /* abort if draft has Mime-Version or C-T-E header field */ - if (strcasecmp (name, VRSN_FIELD) == 0 || - strcasecmp (name, ENCODING_FIELD) == 0) { + /* + * If we are running with autobuild set, then silently + * exit if we find a MIME-Version header. For any other MIME + * header, return an error. + * + * RFC 2045, Section 9 says that any valid MIME header should + * start with "Content-", so we will match on that rather than + * enumerate all current MIME headers. + * + * Because the headers could be in any order, just check for + * MIME-Version here; check for Content-* later. + */ + + if (strcasecmp (name, VRSN_FIELD) == 0) { if (autobuild) { fclose(in); free (ct); return NULL; } - adios (NULL, "draft shouldn't contain %s: field", name); - } - - /* ignore any Content-Type fields in the header */ - if (!strcasecmp (name, TYPE_FIELD)) { - while (state == FLDPLUS) { - bufsz = sizeof buf; - state = m_getfld2(&gstate, name, buf, &bufsz); - } - goto finish_field; + die("draft shouldn't contain %s: field", name); } /* get copies of the buffers */ @@ -243,11 +263,11 @@ build_mime (char *infile, int autobuild, int dist, int directives, attach_head = attach_tail = entry; } } else if (strncasecmp(MHBUILD_FILE_PSEUDOHEADER, np, - strlen (MHBUILD_FILE_PSEUDOHEADER)) == 0) { + LEN(MHBUILD_FILE_PSEUDOHEADER)) == 0) { /* E.g., * Nmh-mhbuild-file-text/calendar: /home/user/Mail/inbox/9 */ - char *type = np + strlen (MHBUILD_FILE_PSEUDOHEADER); + char *type = np + LEN(MHBUILD_FILE_PSEUDOHEADER); char *filename = vp; /* vp should begin with a space because m_getfld2() @@ -262,7 +282,7 @@ build_mime (char *infile, int autobuild, int dist, int directives, if (convert) { if (convert->filename && strcasecmp (convert->filename, filename)) { - adios (NULL, "Multiple %s headers with different files" + die("Multiple %s headers with different files" " not allowed", type); } else { convert->filename = mh_xstrdup(filename); @@ -283,11 +303,11 @@ build_mime (char *infile, int autobuild, int dist, int directives, free (vp); free (np); } else if (strncasecmp(MHBUILD_ARGS_PSEUDOHEADER, np, - strlen (MHBUILD_ARGS_PSEUDOHEADER)) == 0) { + LEN(MHBUILD_ARGS_PSEUDOHEADER)) == 0) { /* E.g., * Nmh-mhbuild-args-text/calendar: -reply accept */ - char *type = np + strlen (MHBUILD_ARGS_PSEUDOHEADER); + char *type = np + LEN(MHBUILD_ARGS_PSEUDOHEADER); char *argstring = vp; /* vp should begin with a space because m_getfld2() @@ -302,7 +322,7 @@ build_mime (char *infile, int autobuild, int dist, int directives, if (convert) { if (convert->argstring && strcasecmp (convert->argstring, argstring)) { - adios (NULL, "Multiple %s headers with different " + die("Multiple %s headers with different " "argstrings not allowed", type); } else { convert->argstring = mh_xstrdup(argstring); @@ -338,15 +358,25 @@ finish_field: case LENERR: case FMTERR: - adios (NULL, "message format error in component #%d", compnum); + die("message format error in component #%d", compnum); default: - adios (NULL, "getfld() returned %d", state); + die("getfld() returned %d", state); } break; } m_getfld_state_destroy (&gstate); + /* + * If we see any Content-* headers at this point, it is an error. + */ + + for (hp = ct->c_first_hf; hp != NULL; hp = hp->next) { + if (uprf (hp->name, "Content-")) { + die ("draft shouldn't contain %s: field", hp->name); + } + } + if (header_encoding != CE_8BIT) { /* * Iterate through the list of headers and call the function to MIME-ify @@ -355,7 +385,7 @@ finish_field: for (hp = ct->c_first_hf; hp != NULL; hp = hp->next) { if (encode_rfc2047(hp->name, &hp->value, header_encoding, NULL)) { - adios(NULL, "Unable to encode header \"%s\"", hp->name); + die("Unable to encode header \"%s\"", hp->name); } } } @@ -449,7 +479,7 @@ finish_field: CT *ctp; convert_list *next; - done = freects_done; + set_done(freects_done); /* In case there are multiple calls that land here, prevent leak. */ for (ctp = cts; ctp && *ctp; ++ctp) { free_content (*ctp); } @@ -458,7 +488,7 @@ finish_field: /* Extract the type part (as a CT) from filename. */ cts = mh_xcalloc(2, sizeof *cts); if (! (cts[0] = parse_mime (convert_head->filename))) { - adios (NULL, "failed to parse %s", convert_head->filename); + die("failed to parse %s", convert_head->filename); } expand_pseudoheaders (cts[0], m, infile, convert_head); @@ -546,7 +576,7 @@ finish_field: compose_content (ct, verbose); if ((cp = strchr(prefix, 'a')) == NULL) - adios (NULL, "internal error(4)"); + die("internal error(4)"); /* * If using EAI, force 8-bit charset. @@ -565,7 +595,7 @@ finish_field: (*cp)++; } else { if (*++cp == 0) - adios (NULL, "giving up trying to find a unique delimiter string"); + die("giving up trying to find a unique delimiter string"); (*cp)++; } } @@ -590,7 +620,7 @@ init_decoded_content (CT ct, const char *filename) ct->c_ceclosefnx = close_encoding; ct->c_cesizefnx = NULL; /* since unencoded */ ct->c_encoding = CE_7BIT; /* Seems like a reasonable default */ - ct->c_file = add(filename, NULL); + ct->c_file = mh_xstrdup(FENDNULL(filename)); return OK; } @@ -680,7 +710,7 @@ user_content (FILE *in, char *buf, CT *ctp, const char *infilename) */ if (!do_direct() || buf[0] != '#' || buf[1] == '#' || buf[1] == '<') { int headers; - int inlineD; + bool inlineD; long pos; char content[BUFSIZ]; FILE *out; @@ -697,10 +727,10 @@ user_content (FILE *in, char *buf, CT *ctp, const char *infilename) if (do_direct() && (buf[0] == '#' && buf[1] == '<')) { strncpy (content, buf + 2, sizeof(content)); - inlineD = 1; + inlineD = true; goto rock_and_roll; } - inlineD = 0; + inlineD = false; /* the directive is implicit */ strncpy (content, "text/plain", sizeof(content)); @@ -710,13 +740,13 @@ user_content (FILE *in, char *buf, CT *ctp, const char *infilename) int i; if (headers >= 0 && do_direct() && uprf (buffer, DESCR_FIELD) - && buffer[i = strlen (DESCR_FIELD)] == ':') { + && buffer[i = LEN(DESCR_FIELD)] == ':') { headers = 1; again_descr: ct->c_descr = add (buffer + i + 1, ct->c_descr); if (!fgetstr (buffer, sizeof(buffer) - 1, in)) - adios (NULL, "end-of-file after %s: field in plaintext", DESCR_FIELD); + die("end-of-file after %s: field in plaintext", DESCR_FIELD); switch (buffer[0]) { case ' ': case '\t': @@ -724,7 +754,7 @@ again_descr: goto again_descr; case '#': - adios (NULL, "#-directive after %s: field in plaintext", DESCR_FIELD); + die("#-directive after %s: field in plaintext", DESCR_FIELD); /* NOTREACHED */ default: @@ -733,13 +763,13 @@ again_descr: } if (headers >= 0 && do_direct() && uprf (buffer, DISPO_FIELD) - && buffer[i = strlen (DISPO_FIELD)] == ':') { + && buffer[i = LEN(DISPO_FIELD)] == ':') { headers = 1; again_dispo: ct->c_dispo = add (buffer + i + 1, ct->c_dispo); if (!fgetstr (buffer, sizeof(buffer) - 1, in)) - adios (NULL, "end-of-file after %s: field in plaintext", DISPO_FIELD); + die("end-of-file after %s: field in plaintext", DISPO_FIELD); switch (buffer[0]) { case ' ': case '\t': @@ -747,7 +777,7 @@ again_dispo: goto again_dispo; case '#': - adios (NULL, "#-directive after %s: field in plaintext", DISPO_FIELD); + die("#-directive after %s: field in plaintext", DISPO_FIELD); /* NOTREACHED */ default: @@ -799,7 +829,7 @@ rock_and_roll: } /* FALLTHRU */ case CT_MULTIPART: - adios (NULL, "it doesn't make sense to define an in-line %s content", + die("it doesn't make sense to define an in-line %s content", ct->c_type == CT_MESSAGE ? "message" : "multipart"); /* NOTREACHED */ @@ -841,24 +871,23 @@ call_init: */ if (s2i->si_key) { if (!ci->ci_subtype) - adios (NULL, "missing subtype in \"#%s\"", ci->ci_type); + die("missing subtype in \"#%s\"", ci->ci_type); switch (ct->c_type = s2i->si_val) { case CT_MULTIPART: - adios (NULL, "use \"#begin ... #end\" instead of \"#%s/%s\"", + die("use \"#begin ... #end\" instead of \"#%s/%s\"", ci->ci_type, ci->ci_subtype); /* NOTREACHED */ case CT_MESSAGE: if (!strcasecmp (ci->ci_subtype, "partial")) - adios (NULL, "sorry, \"#%s/%s\" isn't supported", + die("sorry, \"#%s/%s\" isn't supported", ci->ci_type, ci->ci_subtype); if (!strcasecmp (ci->ci_subtype, "external-body")) - adios (NULL, "use \"#@type/subtype ... [] ...\" instead of \"#%s/%s\"", + die("use \"#@type/subtype ... [] ...\" instead of \"#%s/%s\"", ci->ci_type, ci->ci_subtype); use_forw: - adios (NULL, - "use \"#forw [+folder] [msgs]\" instead of \"#%s/%s\"", + die( "use \"#forw [+folder] [msgs]\" instead of \"#%s/%s\"", ci->ci_type, ci->ci_subtype); /* NOTREACHED */ @@ -876,7 +905,7 @@ use_forw: CT p; if (!ci->ci_magic) - adios (NULL, "need external information for \"#@%s/%s\"", + die("need external information for \"#@%s/%s\"", ci->ci_type, ci->ci_subtype); p = ct; @@ -918,7 +947,7 @@ use_forw: for (cp = ci->ci_magic + 1; isspace ((unsigned char) *cp); cp++) continue; if (!*cp) - adios (NULL, "empty pipe command for #%s directive", ci->ci_type); + die("empty pipe command for #%s directive", ci->ci_type); cp = mh_xstrdup(cp); free (ci->ci_magic); ci->ci_magic = cp; @@ -948,7 +977,7 @@ use_forw: } if (extrnal) - adios (NULL, "external definition not allowed for \"#%s\"", ci->ci_type); + die("external definition not allowed for \"#%s\"", ci->ci_type); /* * Message directive @@ -973,7 +1002,7 @@ use_forw: cp = *ap; if (*cp == '+' || *cp == '@') { if (folder) - adios (NULL, "only one folder per #forw directive"); + die("only one folder per #forw directive"); folder = pluspath (cp); } } @@ -983,7 +1012,7 @@ use_forw: folder = mh_xstrdup(getfolder(1)); if (!(mp = folder_read (folder, 0))) - adios (NULL, "unable to read folder %s", folder); + die("unable to read folder %s", folder); for (ap = arguments; *ap; ap++) { cp = *ap; if (*cp != '+' && *cp != '@') @@ -1099,7 +1128,7 @@ use_forw: if (user_content (in, buffer, &p, infilename) == DONE) { if (!m->mp_parts) - adios (NULL, "empty \"#begin ... #end\" sequence"); + die("empty \"#begin ... #end\" sequence"); return OK; } if (!p) @@ -1117,7 +1146,7 @@ use_forw: /* * Unknown directive */ - adios (NULL, "unknown directive \"#%s\"", ci->ci_type); + die("unknown directive \"#%s\"", ci->ci_type); return NOTOK; /* NOT REACHED */ } @@ -1185,13 +1214,13 @@ compose_content (CT ct, int verbose) * subparts with the rfc934 compatibility mode flag. */ if (rfc934sw && ct->c_subtype == MULTI_DIGEST) { - int is934 = 1; + bool is934 = true; for (part = m->mp_parts; part; part = part->mp_next) { CT p = part->mp_part; if (p->c_subtype != MESSAGE_RFC822) { - is934 = 0; + is934 = false; break; } } @@ -1225,7 +1254,8 @@ compose_content (CT ct, int verbose) default: if (!ce->ce_file) { pid_t child_id; - int i, xstdout, len, buflen; + bool xstdout; + int len, buflen; char *bp, *cp; char *vec[4], buffer[BUFSIZ]; FILE *out; @@ -1233,7 +1263,7 @@ compose_content (CT ct, int verbose) char *tfile = NULL; if (!(cp = ci->ci_magic)) - adios (NULL, "internal error(5)"); + die("internal error(5)"); if ((tfile = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) { adios("mhbuildsbr", "unable to create temporary file in %s", @@ -1242,7 +1272,7 @@ compose_content (CT ct, int verbose) ce->ce_file = mh_xstrdup(tfile); ce->ce_unlink = 1; - xstdout = 0; + xstdout = false; /* Get buffer ready to go */ bp = buffer; @@ -1274,7 +1304,7 @@ compose_content (CT ct, int verbose) case 'F': /* %f, and stdout is not-redirected */ - xstdout = 1; + xstdout = true; /* FALLTHRU */ case 'f': @@ -1325,8 +1355,7 @@ raw: if ((out = fopen (ce->ce_file, "w")) == NULL) adios (ce->ce_file, "unable to open for writing"); - for (i = 0; (child_id = fork()) == NOTOK && i > 5; i++) - sleep (5); + child_id = fork(); switch (child_id) { case NOTOK: adios ("fork", "unable to fork"); @@ -1339,7 +1368,7 @@ raw: execvp ("/bin/sh", vec); fprintf (stderr, "unable to exec "); perror ("/bin/sh"); - _exit (-1); + _exit(1); /* NOTREACHED */ default: @@ -1381,12 +1410,12 @@ static int scan_content (CT ct, size_t maxunencoded) { int prefix_len; - int check8bit = 0, contains8bit = 0; /* check if contains 8bit data */ - int checknul = 0, containsnul = 0; /* check if contains NULs */ - int checklinelen = 0, linelen = 0; /* check for long lines */ - int checkllinelen = 0; /* check for extra-long lines */ - int checkboundary = 0, boundaryclash = 0; /* check if clashes with multipart boundary */ - int checklinespace = 0, linespace = 0; /* check if any line ends with space */ + bool check8bit = false, contains8bit = false; /* check if contains 8bit data */ + bool checknul = false, containsnul = false; /* check if contains NULs */ + bool checklinelen = false, linelen = false; /* check for long lines */ + bool checkllinelen = false; /* check for extra-long lines */ + bool checkboundary = false, boundaryclash = false; /* check if clashes with multipart boundary */ + bool checklinespace = false, linespace = false; /* check if any line ends with space */ char *cp = NULL; char *bufp = NULL; size_t buflen; @@ -1434,18 +1463,18 @@ scan_content (CT ct, size_t maxunencoded) if (ct->c_type == CT_TEXT) { t = (struct text *) ct->c_ctparams; if (t->tx_charset == CHARSET_UNSPECIFIED) { - checknul = 1; + checknul = true; } - check8bit = 1; + check8bit = true; } switch (ct->c_reqencoding) { case CE_8BIT: - checkllinelen = 1; - checkboundary = 1; + checkllinelen = true; + checkboundary = true; break; case CE_QUOTED: - checkboundary = 1; + checkboundary = true; break; case CE_BASE64: break; @@ -1453,34 +1482,34 @@ scan_content (CT ct, size_t maxunencoded) /* Use the default rules based on content-type */ switch (ct->c_type) { case CT_TEXT: - checkboundary = 1; - checklinelen = 1; + checkboundary = true; + checklinelen = true; if (ct->c_subtype == TEXT_PLAIN) { - checklinespace = 0; + checklinespace = false; } else { - checklinespace = 1; + checklinespace = true; } break; case CT_APPLICATION: - check8bit = 1; - checknul = 1; - checklinelen = 1; - checklinespace = 1; - checkboundary = 1; + check8bit = true; + checknul = true; + checklinelen = true; + checklinespace = true; + checkboundary = true; break; case CT_MESSAGE: - checklinelen = 0; - checklinespace = 0; + checklinelen = false; + checklinespace = false; /* don't check anything for message/external */ if (ct->c_subtype == MESSAGE_EXTERNAL) { - checkboundary = 0; - check8bit = 0; + checkboundary = false; + check8bit = false; } else { - checkboundary = 1; - check8bit = 1; + checkboundary = true; + check8bit = true; } break; @@ -1492,10 +1521,10 @@ scan_content (CT ct, size_t maxunencoded) * since we are forcing use of base64, unless * the content-type was specified by a mhbuild directive. */ - check8bit = 0; - checklinelen = 0; - checklinespace = 0; - checkboundary = 0; + check8bit = false; + checklinelen = false; + checklinespace = false; + checkboundary = false; break; } } @@ -1516,12 +1545,12 @@ scan_content (CT ct, size_t maxunencoded) for (cp = bufp; (check8bit || checknul) && cp < bufp + gotlen; cp++) { if (!isascii ((unsigned char) *cp)) { - contains8bit = 1; - check8bit = 0; /* no need to keep checking */ + contains8bit = true; + check8bit = false; /* no need to keep checking */ } if (!*cp) { - containsnul = 1; - checknul = 0; /* no need to keep checking */ + containsnul = true; + checknul = false; /* no need to keep checking */ } } @@ -1529,8 +1558,8 @@ scan_content (CT ct, size_t maxunencoded) * Check line length. */ if (checklinelen && ((size_t)gotlen > maxunencoded + 1)) { - linelen = 1; - checklinelen = 0; /* no need to keep checking */ + linelen = true; + checklinelen = false; /* no need to keep checking */ } /* @@ -1541,7 +1570,7 @@ scan_content (CT ct, size_t maxunencoded) if (checkllinelen && !linelen && (gotlen > MAXLONGLINE + 1)) { - adios(NULL, "Line in content exceeds maximum line limit (%d)", + die("Line in content exceeds maximum line limit (%d)", MAXLONGLINE); } @@ -1550,8 +1579,8 @@ scan_content (CT ct, size_t maxunencoded) */ if (checklinespace && (cp = bufp + gotlen - 2) > bufp && isspace ((unsigned char) *cp)) { - linespace = 1; - checklinespace = 0; /* no need to keep checking */ + linespace = true; + checklinespace = false; /* no need to keep checking */ } /* @@ -1565,8 +1594,8 @@ scan_content (CT ct, size_t maxunencoded) *++cp = '\0'; if (!strncmp(bufp + 2, prefix, prefix_len) && isdigit((unsigned char) bufp[2 + prefix_len])) { - boundaryclash = 1; - checkboundary = 0; /* no need to keep checking */ + boundaryclash = true; + checkboundary = false; /* no need to keep checking */ } } } @@ -1587,7 +1616,7 @@ scan_content (CT ct, size_t maxunencoded) if (ct->c_reqencoding != CE_UNKNOWN) ct->c_encoding = ct->c_reqencoding; else { - int wants_q_p = (containsnul || linelen || linespace || checksw); + int wants_q_p = (containsnul || linelen || linespace); switch (ct->c_type) { case CT_TEXT: @@ -1625,7 +1654,7 @@ scan_content (CT ct, size_t maxunencoded) } } - return (boundaryclash ? NOTOK : OK); + return boundaryclash ? NOTOK : OK; } @@ -1670,7 +1699,7 @@ build_headers (CT ct, int header_encoding) vp = concat (" ", ci->ci_type, "/", ci->ci_subtype, NULL); /* keep track of length of line */ - len = strlen (TYPE_FIELD) + strlen (ci->ci_type) + len = LEN(TYPE_FIELD) + strlen (ci->ci_type) + strlen (ci->ci_subtype) + 3; extbody = ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_EXTERNAL; @@ -1685,7 +1714,7 @@ build_headers (CT ct, int header_encoding) char *s = output_params(len, ci->ci_first_pm, &len, mailbody); if (!s) - adios(NULL, "Internal error: failed outputting Content-Type " + die("Internal error: failed outputting Content-Type " "parameters"); vp = add (s, vp); @@ -1729,7 +1758,7 @@ build_headers (CT ct, int header_encoding) vp = concat (" ", ct->c_descr, NULL); if (header_encoding != CE_8BIT) { if (encode_rfc2047(DESCR_FIELD, &vp, header_encoding, NULL)) { - adios(NULL, "Unable to encode %s header", DESCR_FIELD); + die("Unable to encode %s header", DESCR_FIELD); } } add_header (ct, np, vp); @@ -1745,11 +1774,11 @@ build_headers (CT ct, int header_encoding) add_header (ct, np, vp); } else if (ct->c_dispo_type) { vp = concat (" ", ct->c_dispo_type, NULL); - len = strlen(DISPO_FIELD) + strlen(vp) + 1; + len = LEN(DISPO_FIELD) + strlen(vp) + 1; np = output_params(len, ct->c_dispo_first, NULL, 0); vp = add(np, vp); vp = add("\n", vp); - mh_xfree(np); + free(np); add_header (ct, mh_xstrdup(DISPO_FIELD), vp); } @@ -1762,15 +1791,6 @@ skip_headers: if (ct->c_ctexbody) return OK; - /* - * output the Content-MD5 - */ - if (checksw) { - np = mh_xstrdup(MD5_FIELD); - vp = calculate_digest (ct, ct->c_encoding == CE_QUOTED); - add_header (ct, np, vp); - } - /* * output the Content-Transfer-Encoding * If using EAI and message body is 7-bit, force 8-bit C-T-E. @@ -1792,7 +1812,7 @@ skip_headers: case CE_QUOTED: if (ct->c_type == CT_MESSAGE || ct->c_type == CT_MULTIPART) - adios (NULL, "internal error, invalid encoding"); + die("internal error, invalid encoding"); np = mh_xstrdup(ENCODING_FIELD); vp = concat (" ", "quoted-printable", "\n", NULL); @@ -1801,7 +1821,7 @@ skip_headers: case CE_BASE64: if (ct->c_type == CT_MESSAGE || ct->c_type == CT_MULTIPART) - adios (NULL, "internal error, invalid encoding"); + die("internal error, invalid encoding"); np = mh_xstrdup(ENCODING_FIELD); vp = concat (" ", "base64", "\n", NULL); @@ -1810,7 +1830,7 @@ skip_headers: case CE_BINARY: if (ct->c_type == CT_MESSAGE) - adios (NULL, "internal error, invalid encoding"); + die("internal error, invalid encoding"); np = mh_xstrdup(ENCODING_FIELD); vp = concat (" ", "binary", "\n", NULL); @@ -1818,7 +1838,7 @@ skip_headers: break; default: - adios (NULL, "unknown transfer encoding in content"); + die("unknown transfer encoding in content"); break; } @@ -1859,101 +1879,6 @@ skip_headers: } -static char nib2b64[0x40+1] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -static char * -calculate_digest (CT ct, int asciiP) -{ - int cc; - char *vp, *op; - unsigned char *dp; - unsigned char digest[16]; - unsigned char outbuf[25]; - MD5_CTX mdContext; - CE ce = &ct->c_cefile; - char *infilename = ce->ce_file ? ce->ce_file : ct->c_file; - FILE *in; - - /* open content */ - if ((in = fopen (infilename, "r")) == NULL) - adios (infilename, "unable to open for reading"); - - /* Initialize md5 context */ - MD5Init (&mdContext); - - /* calculate md5 message digest */ - if (asciiP) { - char *bufp = NULL; - size_t buflen; - ssize_t gotlen; - while ((gotlen = getline(&bufp, &buflen, in)) != -1) { - char c, *cp; - - cp = bufp + gotlen - 1; - if ((c = *cp) == '\n') - gotlen--; - - MD5Update (&mdContext, (unsigned char *) bufp, - (unsigned int) gotlen); - - if (c == '\n') - MD5Update (&mdContext, (unsigned char *) "\r\n", 2); - } - } else { - char buffer[BUFSIZ]; - while ((cc = fread (buffer, sizeof(*buffer), sizeof(buffer), in)) > 0) - MD5Update (&mdContext, (unsigned char *) buffer, (unsigned int) cc); - } - - /* md5 finalization. Write digest and zero md5 context */ - MD5Final (digest, &mdContext); - - /* close content */ - fclose (in); - - /* print debugging info */ - if (debugsw) { - unsigned char *ep; - - fprintf (stderr, "MD5 digest="); - for (ep = (dp = digest) + sizeof digest; - dp < ep; dp++) - fprintf (stderr, "%02x", *dp & 0xff); - fprintf (stderr, "\n"); - } - - /* encode the digest using base64 */ - for (dp = digest, op = (char *) outbuf, - cc = sizeof digest; - cc > 0; cc -= 3, op += 4) { - unsigned long bits; - char *bp; - - bits = (*dp++ & 0xff) << 16; - if (cc > 1) { - bits |= (*dp++ & 0xff) << 8; - if (cc > 2) - bits |= *dp++ & 0xff; - } - - for (bp = op + 4; bp > op; bits >>= 6) - *--bp = nib2b64[bits & 0x3f]; - if (cc < 3) { - *(op + 3) = '='; - if (cc < 2) - *(op + 2) = '='; - } - } - - /* null terminate string */ - outbuf[24] = '\0'; - - /* now make copy and return string */ - vp = concat (" ", outbuf, "\n", NULL); - return vp; -} - /* * Set things up for the content structure for file "filename" that * we want to attach @@ -1967,7 +1892,7 @@ setup_attach_content(CT ct, char *filename) PM pm; if (! (type = mime_type(filename))) { - adios(NULL, "Unable to determine MIME type of \"%s\"", filename); + die("Unable to determine MIME type of \"%s\"", filename); } /* @@ -1994,15 +1919,15 @@ setup_attach_content(CT ct, char *filename) switch (ct->c_type = s2i->si_val) { case CT_MULTIPART: - adios (NULL, "multipart types must be specified by mhbuild directives"); + die("multipart types must be specified by mhbuild directives"); /* NOTREACHED */ case CT_MESSAGE: if (strcasecmp(ct->c_ctinfo.ci_subtype, "partial") == 0) - adios(NULL, "Sorry, %s/%s isn't supported", ct->c_ctinfo.ci_type, + die("Sorry, %s/%s isn't supported", ct->c_ctinfo.ci_type, ct->c_ctinfo.ci_subtype); if (strcasecmp(ct->c_ctinfo.ci_subtype, "external-body") == 0) - adios(NULL, "external-body messages must be specified " + die("external-body messages must be specified " "by mhbuild directives"); /* FALLTHRU */ @@ -2022,7 +1947,7 @@ setup_attach_content(CT ct, char *filename) for (pm = ct->c_ctinfo.ci_first_pm; pm; pm = pm->pm_next) { if (strcasecmp(pm->pm_name, "name") == 0) { - mh_xfree(pm->pm_value); + free(pm->pm_value); pm->pm_value = mh_xstrdup(simplename); break; } @@ -2049,7 +1974,8 @@ setup_attach_content(CT ct, char *filename) * 'attachment'. */ void -set_disposition (CT ct) { +set_disposition (CT ct) +{ if (ct->c_dispo_type == NULL) { char *cp = context_find_by_type ("disposition", ct->c_ctinfo.ci_type, ct->c_ctinfo.ci_subtype); @@ -2079,7 +2005,8 @@ set_disposition (CT ct) { * -1: ignore content and use user's locale to determine charset */ void -set_charset (CT ct, int contains8bit) { +set_charset (CT ct, int contains8bit) +{ if (ct->c_type == CT_TEXT) { struct text *t; @@ -2098,7 +2025,7 @@ set_charset (CT ct, int contains8bit) { if (contains8bit == 1 && strcasecmp (eightbitcharset, "US-ASCII") == 0) { - adios (NULL, "Text content contains 8 bit characters, but " + die("Text content contains 8 bit characters, but " "character set is US-ASCII"); } @@ -2118,7 +2045,8 @@ set_charset (CT ct, int contains8bit) { */ void expand_pseudoheaders (CT ct, struct multipart *m, const char *infile, - const convert_list *convert_head) { + const convert_list *convert_head) +{ /* text_plain_ct is used to concatenate all of the text/plain replies into one part, instead of having each one in a separate part. */ @@ -2130,7 +2058,7 @@ expand_pseudoheaders (CT ct, struct multipart *m, const char *infile, struct part *part; if (ct->c_subtype == MULTI_ALTERNATE) { - int matched = 0; + bool matched = false; /* The parts are in descending priority order (defined by RFC 2046 Sec. 5.1.4) because they were reversed by @@ -2153,7 +2081,7 @@ expand_pseudoheaders (CT ct, struct multipart *m, const char *infile, expand_pseudoheader (part->mp_part, &text_plain_ct, m, infile, c->type, c->argstring); - matched = 1; + matched = true; break; } } @@ -2194,7 +2122,8 @@ expand_pseudoheaders (CT ct, struct multipart *m, const char *infile, void expand_pseudoheader (CT ct, CT *text_plain_ct, struct multipart *m, const char *infile, const char *type, - const char *argstring) { + const char *argstring) +{ char *reply_file; FILE *reply_fp = NULL; char *convert, *type_p, *subtype_p; @@ -2241,9 +2170,9 @@ expand_pseudoheader (CT ct, CT *text_plain_ct, struct multipart *m, init_decoded_content (reply_ct, infile); if (extract_headers (reply_ct, reply_file, &reply_fp) == NOTOK) { - free (reply_file); inform("failed to extract headers from convert output in %s, " "continuing...", reply_file); + free(reply_file); return; } @@ -2343,9 +2272,10 @@ expand_pseudoheader (CT ct, CT *text_plain_ct, struct multipart *m, /* Extract any Content-Type header from beginning of convert output. */ int -extract_headers (CT ct, char *reply_file, FILE **reply_fp) { +extract_headers (CT ct, char *reply_file, FILE **reply_fp) +{ char *buffer = NULL, *cp, *end_of_header; - int found_header = 0; + bool found_header = false; struct stat statbuf; /* Read the convert reply from the file to memory. */ @@ -2365,14 +2295,14 @@ extract_headers (CT ct, char *reply_file, FILE **reply_fp) { buffer[statbuf.st_size] = '\0'; /* Look for a header in the convert reply. */ - if (strncasecmp (buffer, TYPE_FIELD, strlen (TYPE_FIELD)) == 0 && - buffer[strlen (TYPE_FIELD)] == ':') { + if (strncasecmp (buffer, TYPE_FIELD, LEN(TYPE_FIELD)) == 0 && + buffer[LEN(TYPE_FIELD)] == ':') { if ((end_of_header = strstr (buffer, "\r\n\r\n"))) { end_of_header += 2; - found_header = 1; + found_header = true; } else if ((end_of_header = strstr (buffer, "\n\n"))) { ++end_of_header; - found_header = 1; + found_header = true; } } @@ -2380,7 +2310,7 @@ extract_headers (CT ct, char *reply_file, FILE **reply_fp) { CT tmp_ct; char *tmp_file; FILE *tmp_f; - size_t n; + size_t n, written; /* Truncate buffer to just the C-T. */ *end_of_header = '\0'; @@ -2394,14 +2324,15 @@ extract_headers (CT ct, char *reply_file, FILE **reply_fp) { /* Hack. Use parse_mime() to detect the type/subtype of the reply, which we'll use below. */ tmp_file = getcpy (m_mktemp2 (NULL, invo_name, NULL, NULL)); - if ((tmp_f = fopen (tmp_file, "w")) && - fwrite (buffer, 1, n, tmp_f) == n) { - fclose (tmp_f); - } else { + tmp_f = fopen(tmp_file, "w"); + if (!tmp_f) + goto failed_to_extract_ct; + written = fwrite(buffer, 1, n, tmp_f); + fclose(tmp_f); + if (written != n) goto failed_to_extract_ct; - } - tmp_ct = parse_mime (tmp_file); + tmp_ct = parse_mime (tmp_file); if (tmp_ct) { /* The type and subtype were detected from the reply using parse_mime() above. */ @@ -2433,7 +2364,7 @@ extract_headers (CT ct, char *reply_file, FILE **reply_fp) { ct->c_subtype = TEXT_PLAIN; if (get_ctinfo ("text/plain", ct, 0) == NOTOK) { /* This never should fail, but just in case. */ - adios (NULL, "unable to get content info for reply"); + die("unable to get content info for reply"); } }