Mercurial > hg > mlmmj
annotate src/mlmmj-receive.c @ 748:dfc9ab125fd4
Fix spelling of 'receive' and 'voodoo'; make mlmmj-recieve a symlink
| author | Chris Webb |
|---|---|
| date | Sun, 03 Oct 2010 21:40:42 +1100 |
| parents | src/mlmmj-recieve.c@94429995a6a8 |
| children | f8f3f4525a2b |
| rev | line source |
|---|---|
| 0 | 1 /* Copyright (C) 2002, 2003 Mads Martin Joergensen <mmj at mmj.dk> |
| 2 * | |
| 3 * $Id$ | |
| 4 * | |
| 225 | 5 * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 * of this software and associated documentation files (the "Software"), to | |
| 7 * deal in the Software without restriction, including without limitation the | |
| 8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| 9 * sell copies of the Software, and to permit persons to whom the Software is | |
| 10 * furnished to do so, subject to the following conditions: | |
| 11 * | |
| 12 * The above copyright notice and this permission notice shall be included in | |
| 13 * all copies or substantial portions of the Software. | |
| 14 * | |
| 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| 21 * IN THE SOFTWARE. | |
| 0 | 22 */ |
| 23 | |
| 24 #include <stdio.h> | |
| 25 #include <stdlib.h> | |
| 26 #include <unistd.h> | |
| 27 #include <errno.h> | |
| 28 #include <string.h> | |
| 29 #include <sys/types.h> | |
| 30 #include <sys/stat.h> | |
| 31 #include <fcntl.h> | |
| 37 | 32 #include <libgen.h> |
| 0 | 33 |
| 34 #include "mlmmj.h" | |
| 35 #include "wrappers.h" | |
| 11 | 36 #include "mygetline.h" |
| 0 | 37 #include "strgen.h" |
| 25 | 38 #include "log_error.h" |
| 245 | 39 #include "memory.h" |
| 18 | 40 |
| 11 | 41 extern char *optarg; |
| 0 | 42 |
| 43 static void print_help(const char *prg) | |
| 44 { | |
|
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45 printf("Usage: %s -L /path/to/listdir [-s sender@example.org] [-e extension] [-h] [-V] [-P] [-F]\n" |
| 102 | 46 " -h: This help\n" |
| 47 " -F: Don't fork in the background\n" | |
| 48 " -L: Full path to list directory\n" | |
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49 " -s: Specify sender address\n" |
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50 " -e: The foo part of user+foo@example.org\n" |
| 102 | 51 " -P: Don't execute mlmmj-process\n" |
| 52 " -V: Print version\n", prg); | |
| 11 | 53 exit(EXIT_SUCCESS); |
| 0 | 54 } |
| 55 | |
| 56 int main(int argc, char **argv) | |
| 57 { | |
| 157 | 58 char *infilename = NULL, *listdir = NULL; |
| 11 | 59 char *randomstr = random_str(); |
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60 char *mlmmjprocess, *bindir; |
| 64 | 61 int fd, opt, noprocess = 0, nofork = 0; |
| 295 | 62 struct stat st; |
| 63 uid_t uid; | |
| 52 | 64 pid_t childpid; |
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65 |
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66 CHECKFULLPATH(argv[0]); |
| 38 | 67 |
| 46 | 68 log_set_name(argv[0]); |
| 69 | |
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117
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70 bindir = mydirname(argv[0]); |
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71 mlmmjprocess = concatstr(2, bindir, "/mlmmj-process"); |
| 245 | 72 myfree(bindir); |
| 0 | 73 |
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74 while ((opt = getopt(argc, argv, "hPVL:s:e:F")) != -1) { |
| 0 | 75 switch(opt) { |
| 76 case 'h': | |
| 77 print_help(argv[0]); | |
| 78 break; | |
| 79 case 'L': | |
| 80 listdir = optarg; | |
| 81 break; | |
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82 case 's': |
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83 setenv("SENDER", optarg, 1); |
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84 break; |
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85 case 'e': |
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86 setenv("EXTENSION", optarg, 1); |
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87 break; |
| 3 | 88 case 'P': |
| 11 | 89 noprocess = 1; |
| 3 | 90 break; |
| 64 | 91 case 'F': |
| 92 nofork = 1; | |
| 93 break; | |
| 0 | 94 case 'V': |
| 95 print_version(argv[0]); | |
| 96 exit(0); | |
| 97 } | |
| 98 } | |
| 295 | 99 |
| 11 | 100 if(listdir == NULL) { |
| 0 | 101 fprintf(stderr, "You have to specify -L\n"); |
| 102 fprintf(stderr, "%s -h for help\n", argv[0]); | |
| 103 exit(EXIT_FAILURE); | |
| 104 } | |
| 295 | 105 |
| 106 /* Lets make sure no random user tries to send mail to the list */ | |
| 107 if(listdir) { | |
| 108 if(stat(listdir, &st) == 0) { | |
| 109 uid = getuid(); | |
| 110 if(uid && uid != st.st_uid) { | |
| 111 log_error(LOG_ARGS, | |
| 112 "Have to invoke either as root " | |
| 395 | 113 "or as the user owning listdir " |
| 114 "Invoked with uid = [%d]", (int)uid); | |
| 295 | 115 writen(STDERR_FILENO, |
| 116 "Have to invoke either as root " | |
| 117 "or as the user owning listdir\n", 60); | |
| 118 exit(EXIT_FAILURE); | |
| 119 } | |
| 120 } else { | |
| 121 log_error(LOG_ARGS, "Could not stat %s", listdir); | |
| 122 exit(EXIT_FAILURE); | |
| 123 } | |
| 124 } | |
| 0 | 125 |
| 11 | 126 infilename = concatstr(3, listdir, "/incoming/", randomstr); |
| 245 | 127 myfree(randomstr); |
| 11 | 128 fd = open(infilename, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR); |
| 129 while(fd < 0 && errno == EEXIST) { | |
| 245 | 130 myfree(infilename); |
| 11 | 131 randomstr = random_str(); |
| 132 infilename = concatstr(3, listdir, "/incoming/", randomstr); | |
| 245 | 133 myfree(randomstr); |
| 11 | 134 fd = open(infilename, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR); |
| 0 | 135 } |
| 136 | |
| 11 | 137 if(fd < 0) { |
| 58 | 138 log_error(LOG_ARGS, "could not create mail file in " |
| 139 "%s/incoming directory", listdir); | |
| 245 | 140 myfree(infilename); |
| 0 | 141 exit(EXIT_FAILURE); |
| 142 } | |
| 11 | 143 |
| 170 | 144 if(dumpfd2fd(fileno(stdin), fd) != 0) { |
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748
dfc9ab125fd4
Fix spelling of 'receive' and 'voodoo'; make mlmmj-recieve a symlink
Chris Webb
parents:
689
diff
changeset
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145 log_error(LOG_ARGS, "Could not receive mail"); |
| 157 | 146 exit(EXIT_FAILURE); |
| 11 | 147 } |
| 0 | 148 |
| 430 | 149 #if 0 |
|
748
dfc9ab125fd4
Fix spelling of 'receive' and 'voodoo'; make mlmmj-recieve a symlink
Chris Webb
parents:
689
diff
changeset
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150 log_oper(listdir, OPLOGFNAME, "mlmmj-receive got %s", infilename); |
| 430 | 151 #endif |
| 157 | 152 fsync(fd); |
| 11 | 153 close(fd); |
| 0 | 154 |
| 11 | 155 if(noprocess) { |
| 245 | 156 myfree(infilename); |
| 11 | 157 exit(EXIT_SUCCESS); |
| 158 } | |
| 3 | 159 |
| 52 | 160 /* |
| 161 * Now we fork so we can exit with success since it could potentially | |
| 162 * take a long time for mlmmj-send to finish delivering the mails and | |
| 163 * returning, making it susceptible to getting a SIGKILL from the | |
|
748
dfc9ab125fd4
Fix spelling of 'receive' and 'voodoo'; make mlmmj-recieve a symlink
Chris Webb
parents:
689
diff
changeset
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164 * mailserver invoking mlmmj-receive. |
| 52 | 165 */ |
| 64 | 166 if (!nofork) { |
| 167 childpid = fork(); | |
| 168 if(childpid < 0) | |
| 169 log_error(LOG_ARGS, "fork() failed! Proceeding anyway"); | |
| 52 | 170 |
| 64 | 171 if(childpid) |
| 172 exit(EXIT_SUCCESS); /* Parent says: "bye bye kids!"*/ | |
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Close stdin, stdout and stderr in mlmmj-recieve after forking.
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173 |
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174 close(0); |
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175 close(1); |
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176 close(2); |
| 64 | 177 } |
| 52 | 178 |
| 37 | 179 execlp(mlmmjprocess, mlmmjprocess, |
| 0 | 180 "-L", listdir, |
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181 "-m", infilename, (char *)NULL); |
| 39 | 182 log_error(LOG_ARGS, "execlp() of '%s' failed", mlmmjprocess); |
| 11 | 183 |
| 58 | 184 exit(EXIT_FAILURE); |
| 0 | 185 } |