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6caaee99 FT |
1 | /* |
2 | ashd - A Sane HTTP Daemon | |
3 | Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com> | |
4 | ||
5 | This program is free software: you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation, either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #include <stdlib.h> | |
20 | #include <stdio.h> | |
21 | #include <string.h> | |
22 | #include <unistd.h> | |
23 | #include <errno.h> | |
24 | #include <signal.h> | |
25 | #include <sys/wait.h> | |
26 | ||
27 | #ifdef HAVE_CONFIG_H | |
28 | #include <config.h> | |
29 | #endif | |
30 | #include <utils.h> | |
31 | #include <log.h> | |
32 | #include <req.h> | |
33 | #include <proc.h> | |
34 | #include <resp.h> | |
35 | ||
36 | static char **prog; | |
37 | ||
38 | static void serve(struct hthead *req, int fd) | |
39 | { | |
40 | if(stdforkserve(prog, req, fd, NULL, NULL) < 0) | |
41 | simpleerror(fd, 500, "Server Error", "The server appears to be overloaded."); | |
42 | } | |
43 | ||
44 | static void chldhandler(int sig) | |
45 | { | |
46 | pid_t pid; | |
47 | int st; | |
48 | ||
49 | while((pid = waitpid(-1, &st, WNOHANG)) > 0) { | |
50 | if(WCOREDUMP(st)) | |
51 | flog(LOG_WARNING, "child process %i dumped core", pid); | |
52 | } | |
53 | } | |
54 | ||
55 | static void usage(FILE *out) | |
56 | { | |
57 | fprintf(out, "usage: httrcall [-h] PROGRAM [ARGS...]\n"); | |
58 | } | |
59 | ||
60 | int main(int argc, char **argv) | |
61 | { | |
62 | int c; | |
63 | struct hthead *req; | |
64 | int fd; | |
65 | ||
66 | while((c = getopt(argc, argv, "+h")) >= 0) { | |
67 | switch(c) { | |
68 | case 'h': | |
69 | usage(stdout); | |
70 | exit(0); | |
71 | default: | |
72 | usage(stderr); | |
73 | exit(1); | |
74 | } | |
75 | } | |
76 | if(argc < optind - 1) { | |
77 | usage(stderr); | |
78 | exit(1); | |
79 | } | |
80 | prog = argv + optind; | |
81 | signal(SIGCHLD, chldhandler); | |
82 | while(1) { | |
83 | if((fd = recvreq(0, &req)) < 0) { | |
84 | if(errno == EINTR) | |
85 | continue; | |
86 | if(errno != 0) | |
87 | flog(LOG_ERR, "recvreq: %s", strerror(errno)); | |
88 | break; | |
89 | } | |
90 | serve(req, fd); | |
91 | freehthead(req); | |
92 | close(fd); | |
93 | } | |
94 | return(0); | |
95 | } |