1 /* 2 * Copyright (c) 1986, 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)gethead.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* not lint */ 11 12 #include <sys/param.h> 13 #include <sys/stat.h> 14 15 #include <dirent.h> 16 #include <stdio.h> 17 #include <stdlib.h> 18 #include <string.h> 19 #include <unistd.h> 20 21 #include "pathnames.h" 22 #include "bug.h" 23 #include "extern.h" 24 25 static int chk1 __P((char *)); 26 static int pbuf __P((char *)); 27 28 #define ENT(X) sizeof(X) - 1, X 29 HEADER mailhead[] = { /* mail headers */ 30 { NO, YES, NULL, ENT("Date:"), }, 31 { NO, NO, NULL, ENT("From "), }, 32 { NO, YES, NULL, ENT("From:"), }, 33 { NO, NO, chk1, ENT("Index:"), }, 34 { NO, YES, NULL, ENT("Message-Id:"), }, 35 { NO, YES, NULL, ENT("Reply-To:"), }, 36 { NO, YES, NULL, ENT("Return-Path:"), }, 37 { NO, NO, pbuf, ENT("Subject:"), }, 38 { NO, YES, NULL, ENT("To:"), }, 39 { NO, NO, NULL, ENT("Apparently-To:"), }, 40 { ERR, } 41 }; 42 43 FILE *dfp; /* distf file pointer */ 44 char dir[MAXNAMLEN], /* subject and folder */ 45 folder[MAXNAMLEN]; 46 47 /* 48 * gethead -- 49 * read mail and bug headers from bug report, construct redist headers 50 */ 51 void 52 gethead(redist) 53 int redist; 54 { 55 register HEADER *hp; /* mail header pointer */ 56 57 if (redist) { 58 int fd; 59 char *distf; 60 61 distf = strdup(_PATH_TMP); 62 if (!(fd = mkstemp(distf)) || !(dfp = fdopen(fd, "w+"))) 63 error("can't create redistribution file %s.", distf); 64 /* disappear after last reference is closed */ 65 (void)unlink(distf); 66 free(distf); 67 } 68 if (!freopen(tmpname, "r", stdin)) 69 error("can't read temporary bug file %s.", tmpname); 70 71 while (fgets(bfr, sizeof(bfr), stdin)) { 72 for (hp = mailhead; hp->found != ERR; ++hp) 73 if (!hp->found) 74 if (!strncmp(hp->tag, bfr, hp->len)) { 75 if (hp->valid && !((*(hp->valid))(bfr))) 76 break; 77 if (!(hp->line = 78 malloc((u_int)(strlen(bfr) + 1)))) 79 error("malloc failed.", CHN); 80 (void)strcpy(hp->line, bfr); 81 hp->found = YES; 82 break; 83 } 84 if ((hp->found == ERR || hp->redist) && redist) 85 fputs(bfr, dfp); 86 } 87 88 if (!mailhead[INDX_TAG].found) 89 error("no readable \"Index:\" header in bug report.", CHN); 90 } 91 92 /* 93 * chk1 -- 94 * parse the "Index:" line into folder and directory 95 */ 96 static int 97 chk1(line) 98 char *line; 99 { 100 register char *C; /* tmp pointer */ 101 struct stat sbuf; /* existence check */ 102 103 if (sscanf(line, " Index: %s %s ", folder, dir) != 2) 104 return(NO); 105 if (C = strchr(folder, '/')) { /* deal with "bin/from.c" */ 106 if (C == folder) 107 return(NO); 108 *C = EOS; 109 } 110 if (stat(dir, &sbuf) || (sbuf.st_mode & S_IFMT) != S_IFDIR) 111 return(NO); 112 (void)pbuf(line); 113 return(YES); 114 } 115 116 /* 117 * pbuf -- 118 * kludge so that summary file looks pretty 119 */ 120 static int 121 pbuf(line) 122 char *line; 123 { 124 register char *rp, /* tmp pointers */ 125 *wp; 126 127 for (rp = line; *rp == ' ' || *rp == '\t'; ++rp); 128 for (wp = line; *rp; ++wp) { 129 if ((*wp = *rp++) != ' ' && *wp != '\t') 130 continue; 131 *wp = ' '; 132 while (*rp == ' ' || *rp == '\t') 133 ++rp; 134 } 135 if (wp[-1] == ' ') /* wp can't == line */ 136 --wp; 137 *wp = EOS; 138 return(YES); 139 } 140