From: markus schnalke Date: Tue, 31 Jan 2012 23:36:54 +0000 (+0100) Subject: spost: refactoring, added comments, removed unused code X-Git-Tag: mmh-thesis-end~383 X-Git-Url: http://git.marmaro.de/?p=mmh;a=commitdiff_plain;h=5276fe8873c9201f9b4ba8c6fcb5efb3887eab77 spost: refactoring, added comments, removed unused code --- diff --git a/uip/spost.c b/uip/spost.c index f2552dc..73787f7 100644 --- a/uip/spost.c +++ b/uip/spost.c @@ -105,7 +105,7 @@ static struct headers NHeaders[] = { { "Date", HNOP, MDAT }, { "Subject", HSUB, 0 }, { "To", HADR|HTRY, MVIS }, - { "cc", HADR|HTRY, MVIS }, + { "Cc", HADR|HTRY, MVIS }, { "Bcc", HADR|HTRY|HBCC|HNIL, MINV }, { "Message-Id", HBAD, 0 }, { "Fcc", HFCC, 0 }, @@ -129,8 +129,6 @@ static struct headers RHeaders[] = { }; -static short fccind = 0; /* index into fccfold[] */ - static int badmsg = 0; /* message has bad semantics */ static int verbose = 0; /* spell it out */ static int debug = 0; /* debugging post */ @@ -153,6 +151,7 @@ static char signature[BUFSIZ]; /* my signature */ static char *filter = NULL; /* the filter for BCC'ing */ static char *subject = NULL; /* the subject field for BCC'ing */ static char *fccfold[FCCS]; /* foldernames for FCC'ing */ +static short fccind = 0; /* index into fccfold[] */ static struct headers *hdrtab; /* table for the message we're doing */ static FILE *out; /* output (temp) file */ @@ -176,12 +175,10 @@ static void finish_headers(FILE *); static int get_header(char *, struct headers *); static void putadr(char *, struct mailname *); static int putone(char *, int, int); -static void insert_fcc(struct headers *, unsigned char *); -static void file(char *); +static void insert_fcc(char *, unsigned char *); static void fcc(char *, char *); #if 0 -static void die(char *, char *, ...); static void make_bcc_file(void); #endif @@ -384,11 +381,14 @@ main(int argc, char **argv) if (debug) { done(0); - } - else + } else { fclose(out); + } - file(tmpfil); + /* process Fcc */ + for (i=0; iflags & HIGN) + if (hdr->flags & HIGN) { return; + } if (hdr->flags & HBAD) { advise(NULL, "illegal header line -- %s:", name); badmsg++; @@ -457,18 +460,26 @@ putfmt(char *name, char *str, FILE *out) } msgflags |= hdr->set; - if (hdr->flags & HSUB) - subject = subject ? add(str, add("\t", subject)) : - getcpy(str); + if (hdr->flags & HSUB) { + if (subject) { + /* append mupliple subject */ + char *cp = concat(subject, "\t", str, NULL); + free(subject); + subject = cp; + } else { + subject = getcpy(str); + } + } if (hdr->flags & HFCC) { - if ((cp = strrchr(str, '\n'))) - *cp = 0; + if ((cp = strrchr(str, '\n'))) { + *cp = '\0'; + } for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) { - *cp++ = 0; - insert_fcc(hdr, pp); + *cp++ = '\0'; + insert_fcc(hdr->value, pp); } - insert_fcc(hdr, pp); + insert_fcc(hdr->value, pp); return; } @@ -492,7 +503,7 @@ putfmt(char *name, char *str, FILE *out) register struct mailname *mp = 0; while ((cp = getname(str))) { - mp = getm( cp, NULL, 0, AD_HOST, NULL); + mp = getm(cp, NULL, 0, AD_HOST, NULL); if (f == 0) { f = mp; mp->m_next = mp; @@ -503,7 +514,7 @@ putfmt(char *name, char *str, FILE *out) } } f = mp->m_next; mp->m_next = 0; - putadr( name, f ); + putadr(name, f); } else { /* ** The author(s) of spost decided that alias @@ -530,99 +541,69 @@ putfmt(char *name, char *str, FILE *out) } +/* +** Construct signature name +*/ static void start_headers(void) { char *cp; - char sigbuf[BUFSIZ]; strncpy(from, getusername(), sizeof(from)); - if ((cp = getfullname()) && *cp) { - strncpy(sigbuf, cp, sizeof(sigbuf)); - snprintf(signature, sizeof(signature), "%s <%s>", - sigbuf, from); - } else - snprintf(signature, sizeof(signature), "%s", from); + snprintf(signature, sizeof(signature), "%s <%s>", cp, from); + } else { + snprintf(signature, sizeof(signature), "%s", from); + } } +/* +** Add yet missing headers. +*/ static void finish_headers(FILE *out) { - switch (msgstate) { - case normal: - if (!(msgflags & MDAT)) - fprintf(out, "Date: %s\n", dtimenow(0)); - - if (msgflags & MFRM) { - /* - ** There was already a From: in the draft. - ** Don't add one. - */ - if (!draft_from_masquerading) - /* - ** mts.conf didn't contain - ** "masquerade:[...]draft_from[...]" - ** so we'll reveal the user's - ** actual account@thismachine - ** address in a Sender: header - ** (and use it as the envelope - ** From: later). - */ - fprintf(out, "Sender: %s\n", from); - } else - fprintf(out, "From: %s\n", signature); + char *resentstr = (msgstate == resent) ? "Resent-" : ""; + if (!(msgflags & MDAT)) { + fprintf(out, "%sDate: %s\n", resentstr, dtimenow(0)); + } + if (!(msgflags & MFRM)) { + fprintf(out, "%sFrom: %s\n", resentstr, signature); + } else if (!draft_from_masquerading) { + /* + ** mts.conf didn't contain "masquerade:[...]draft_from[...]" + ** so we'll reveal the user's actual account@thismachine + ** address in a Sender: header (and use it as the envelope + ** From: later). + */ + fprintf(out, "%sSender: %s\n", resentstr, from); + } #ifdef notdef - if (!(msgflags & MVIS)) - fprintf(out, "Bcc: Blind Distribution List: ;\n"); + if (!(msgflags & MVIS)) + fprintf(out, "%sBcc: Blind Distribution List: ;\n", resentstr); #endif /* notdef */ - break; - case resent: - if (!(msgflags & MRDT)) - fprintf(out, "Resent-Date: %s\n", dtimenow(0)); - if (msgflags & MRFM) { - /* - ** There was already a Resent-From: in draft. - ** Don't add one. - */ - if (!draft_from_masquerading) - /* - ** mts.conf didn't contain - ** "masquerade:[...]draft_from[...]" - ** so we'll reveal the user's - ** actual account@thismachine - ** address in a Sender: header - ** (and use it as the envelope - ** From: later). - */ - fprintf(out, "Resent-Sender: %s\n", - from); - } else - /* Construct a Resent-From: header. */ - fprintf(out, "Resent-From: %s\n", signature); -#ifdef notdef - if (!(msgflags & MVIS)) - fprintf(out, "Resent-Bcc: Blind Re-Distribution List: ;\n"); -#endif /* notdef */ - break; - } - - if (badmsg) + if (badmsg) { adios(NULL, "re-format message and try again"); + } } +/* +** Return index of the requested header in the table, or NOTOK if missing. +*/ static int get_header(char *header, struct headers *table) { struct headers *h; - for (h = table; h->value; h++) - if (!mh_strcasecmp(header, h->value)) + for (h=table; h->value; h++) { + if (mh_strcasecmp(header, h->value)==0) { return (h - table); + } + } return NOTOK; } @@ -708,22 +689,25 @@ putone(char *adr, int pos, int indent) } +/* +** Insert the normalized value from pp into fccfold[]. +*/ static void -insert_fcc(struct headers *hdr, unsigned char *pp) +insert_fcc(char *name, unsigned char *pp) { - unsigned char *cp; + unsigned char *cp; for (cp = pp; isspace(*cp); cp++) continue; for (pp += strlen(pp) - 1; pp > cp && isspace(*pp); pp--) continue; if (pp >= cp) - *++pp = 0; - if (*cp == 0) + *++pp = '\0'; + if (!*cp) return; if (fccind >= FCCS) - adios(NULL, "too many %ss", hdr->value); + adios(NULL, "too many %ss", name); fccfold[fccind++] = getcpy(cp); } @@ -809,20 +793,8 @@ make_bcc_file(void) } #endif /* if 0 */ -/* FCC INTERACTION */ - -static void -file(char *path) -{ - int i; - - if (fccind == 0) - return; - - for (i = 0; i < fccind; i++) - fcc(path, fccfold[i]); -} +/* FCC INTERACTION */ static void fcc(char *file, char *folder) @@ -840,49 +812,35 @@ fcc(char *file, char *folder) sleep(5); switch (child_id) { case NOTOK: - if (!verbose) - fprintf(stderr, " %sFcc %s: ", msgstate == resent ? - "Resent-" : "", folder); - fprintf(verbose ? stdout : stderr, "no forks, so not ok\n"); + if (verbose) { + printf("Sorry man, but we had no more forks.\n"); + } else { + fprintf(stderr, "Skipped %sFcc %s: unable to fork.\n", + msgstate == resent ? "Resent-" : "", + folder); + } break; case OK: snprintf(fold, sizeof(fold), "%s%s", - *folder == '+' || *folder == '@' ? "" : "+", folder); + *folder == '+' || *folder == '@' ? "" : "+", + folder); execlp(fileproc, mhbasename(fileproc), - "-link", "-file", file, fold, NULL); + "-link", "-file", file, fold, NULL); _exit(-1); default: if ((status = pidwait(child_id, OK))) { - if (!verbose) - fprintf(stderr, " %sFcc %s: ", + if (verbose) { + printf(" errored (0%o)\n", status); + } else { + fprintf(stderr, " %sFcc %s: errored (0%o)\n", msgstate == resent ? - "Resent-" : "", folder); - fprintf(verbose ? stdout : stderr, " errored (0%o)\n", - status); + "Resent-" : "", folder, + status); + } } } fflush(stdout); } - - -#if 0 - -/* -** TERMINATION -*/ - -static void -die(char *what, char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - advertise(what, NULL, fmt, ap); - va_end(ap); - - done(1); -} -#endif