Commit | Line | Data |
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8512671a LM |
1 | /* depend: */ |
2 | /* cflags: */ | |
4baf6839 | 3 | /* linker: color.o debug.o file.o http.o server.o */ |
8512671a | 4 | |
184be781 | 5 | #include <assert.h> |
4baf6839 | 6 | #include <dirent.h> |
8512671a LM |
7 | #include <stdio.h> |
8 | #include <stdlib.h> | |
89f0e084 | 9 | #include <unistd.h> |
8512671a LM |
10 | |
11 | #include "debug.h" | |
96748ca7 | 12 | #include "http.h" |
00afbb65 | 13 | #include "server.h" |
8512671a | 14 | |
184be781 LM |
15 | /* types */ |
16 | ||
8512671a LM |
17 | /* constants */ |
18 | ||
19 | #define BUFFER_SIZE 4096 | |
4baf6839 | 20 | #define ROOT_DIR "webroot" |
2bec4aa7 LM |
21 | #define SERVER_NAME "localhost" |
22 | #define CHARSET "iso-8859-1" | |
8512671a LM |
23 | |
24 | /* macros */ | |
25 | ||
26 | /* gobal variables */ | |
27 | ||
28 | char *progname = NULL; | |
21ac031b | 29 | int port = 8080; |
4baf6839 | 30 | char *root = ROOT_DIR; |
2bec4aa7 LM |
31 | char *servername = SERVER_NAME; |
32 | char *charset = CHARSET; | |
8512671a LM |
33 | |
34 | /* help function */ | |
35 | ||
36 | int usage (int ret) | |
37 | { | |
38 | FILE *fid = ret ? stderr : stdout; | |
39 | fprintf (fid, "usage: %s\n", progname); | |
295b1e68 | 40 | fprintf (fid, " -c : charset name (%s)\n", charset); |
8512671a | 41 | fprintf (fid, " -h : help message\n"); |
21ac031b | 42 | fprintf (fid, " -p : port number (%d)\n", port); |
4baf6839 | 43 | fprintf (fid, " -r : web root directory (%s)\n", root); |
295b1e68 | 44 | fprintf (fid, " -s : server name (%s)\n", servername); |
8512671a LM |
45 | fprintf (fid, " -v : verbose level (%d)\n", verbose); |
46 | ||
47 | return ret; | |
48 | } | |
49 | ||
50 | /* main function */ | |
51 | ||
52 | int main (int argc, char *argv[]) | |
53 | { | |
54 | int i = 0; | |
8512671a LM |
55 | |
56 | /* program name */ | |
57 | ||
58 | progname = argv[0]; | |
59 | while (progname[i] != '\0') { | |
60 | if ((progname[i] == '/') || (progname[i] == '\\')) { | |
61 | progname += i + 1; | |
62 | i = 0; | |
63 | } else { | |
64 | i++; | |
65 | } | |
66 | } | |
67 | ||
68 | /* argument processing */ | |
69 | ||
4baf6839 | 70 | while (argc-- > 1) { |
8512671a LM |
71 | char *arg = *(++argv); |
72 | if (arg[0] != '-') { | |
163f56b1 | 73 | VERBOSE (ERROR, PERROR ("%s: invalid option -- '%s'\n", progname, arg); usage (1)); |
8512671a LM |
74 | return 1; |
75 | } | |
76 | char c = arg[1]; | |
77 | switch (c) { | |
295b1e68 LM |
78 | case 'c': |
79 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
80 | if (arg == NULL) { | |
81 | VERBOSE (ERROR, PERROR ("%s: missing charset name\n", progname); usage (1)); | |
82 | return 1; | |
83 | } | |
84 | charset = arg; | |
85 | break; | |
86 | case 'p': | |
8512671a LM |
87 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; |
88 | if (arg == NULL) { | |
163f56b1 | 89 | VERBOSE (ERROR, PERROR ("%s: missing port number\n", progname); usage (1)); |
21ac031b LM |
90 | return 1; |
91 | } | |
92 | port = atoi (arg); | |
93 | if (port <= 0) { | |
163f56b1 | 94 | VERBOSE (ERROR, PERROR ("%s: incorrect port number (%s)\n", progname, arg); usage (1)); |
8512671a LM |
95 | return 1; |
96 | } | |
8512671a | 97 | break; |
295b1e68 LM |
98 | case 's': |
99 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
100 | if (arg == NULL) { | |
101 | VERBOSE (ERROR, PERROR ("%s: missing server name\n", progname); usage (1)); | |
102 | return 1; | |
103 | } | |
104 | servername = arg; | |
105 | break; | |
4baf6839 LM |
106 | case 'r': |
107 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
108 | if (arg == NULL) { | |
109 | VERBOSE (ERROR, PERROR ("%s: missing directory name\n", progname); usage (1)); | |
110 | return 1; | |
111 | } | |
112 | root = arg; | |
113 | break; | |
8512671a LM |
114 | case 'v': |
115 | arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL; | |
116 | if (arg == NULL) { | |
163f56b1 | 117 | VERBOSE (ERROR, PERROR ("%s: missing verbose level\n", progname); usage (1)); |
8512671a LM |
118 | return 1; |
119 | } | |
120 | verbose = atoi (arg); | |
121 | break; | |
122 | case 'h': | |
123 | default: | |
124 | return usage (c != 'h'); | |
125 | } | |
126 | } | |
127 | ||
4baf6839 LM |
128 | /* check root directory */ |
129 | VERBOSE (DEBUG, PRINT ("Check web root\n")); | |
130 | DIR *pdir = opendir (root); | |
131 | if (pdir == NULL) { | |
132 | VERBOSE (ERROR, PERROR ("Can't read directory (%s)\n", root)); | |
133 | return 1; | |
134 | } | |
135 | closedir (pdir); | |
136 | ||
2bec4aa7 LM |
137 | /* configuration */ |
138 | conf_t conf = {root, servername, charset}; | |
139 | ||
4baf6839 | 140 | /* init network stack */ |
163f56b1 | 141 | VERBOSE (DEBUG, PRINT ("Initializing socket\n")); |
89f0e084 | 142 | init_network_context (); |
7d4815a1 | 143 | if (open_listening_socket (port) == 0) { |
163f56b1 | 144 | VERBOSE (ERROR, PERROR ("Can't open listening socket\n")); |
184be781 LM |
145 | return 1; |
146 | } | |
163f56b1 LM |
147 | VERBOSE (INFO, PRINT ("Listening socket on port %d\n", port)); |
148 | ||
04a2223d LM |
149 | /* main loop */ |
150 | while (1) { | |
7d4815a1 | 151 | if (accept_incoming_connection () == 0) { |
89f0e084 | 152 | usleep (1e5); |
04a2223d LM |
153 | continue; |
154 | } | |
155 | ||
163f56b1 | 156 | VERBOSE (DEBUG, PRINT ("Server connected, waiting for data\n")); |
04a2223d | 157 | |
135b5dee LM |
158 | char *data = NULL; |
159 | char *output = NULL; | |
04a2223d | 160 | |
7d4815a1 | 161 | int len = receive_data (&data); |
89f0e084 | 162 | if (len == 0) { |
163f56b1 | 163 | VERBOSE (WARNING, PRINT ("Connection closed by peer (rx)\n")); |
89f0e084 | 164 | } else if (len < 0) { |
163f56b1 | 165 | VERBOSE (WARNING, PRINT ("Connection in error (rx)\n")); |
89f0e084 | 166 | } else { |
96748ca7 | 167 | VERBOSE (DEBUG, PRINT ("Received %d bytes\n", len)); |
04a2223d LM |
168 | |
169 | // processing | |
96748ca7 | 170 | VERBOSE (DEBUG, PRINT ("Processing %s\n", data)); |
2bec4aa7 | 171 | len = processing (data, len, &conf, &output); |
89f0e084 | 172 | |
6add28e9 LM |
173 | VERBOSE (DEBUG, PRINT ("Sending data (%d)\n%s\n", len, data)); |
174 | int rc = send_data (output, len); | |
89f0e084 | 175 | if (rc == 0) { |
163f56b1 | 176 | VERBOSE (WARNING, PRINT ("Connection closed by peer (tx)\n")); |
89f0e084 | 177 | } else if (rc < 0) { |
163f56b1 | 178 | VERBOSE (WARNING, PRINT ("Connection in error (tx)\n")); |
04a2223d | 179 | } |
89f0e084 | 180 | } |
04a2223d | 181 | |
163f56b1 | 182 | VERBOSE (DEBUG, PRINT ("Closing connection\n")); |
89f0e084 LM |
183 | if (data) { |
184 | free (data); | |
04a2223d | 185 | } |
6add28e9 LM |
186 | if (output) { |
187 | free (output); | |
188 | } | |
7d4815a1 | 189 | close_connection (); |
04a2223d | 190 | } |
89f0e084 | 191 | |
163f56b1 | 192 | VERBOSE (DEBUG, PRINT ("Closing socket\n")); |
89f0e084 | 193 | terminate_network_context (); |
184be781 | 194 | |
06ec8057 | 195 | return 2; |
8512671a LM |
196 | } |
197 | ||
198 | // test: webserver.exe -h | |
199 | // test: webserver.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }' | |
21ac031b | 200 | // test: webserver.exe -_ 2> /dev/null | wc -l | xargs test 0 = |
8512671a LM |
201 | // test: webserver.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }' |
202 | // test: webserver.exe error 2>&1 | grep -q 'invalid option' | |
21ac031b | 203 | // test: webserver.exe -v 2>&1 | grep -q 'missing verbose level' |
295b1e68 | 204 | // test: webserver.exe -c 2>&1 | grep -q 'missing charset name' |
21ac031b LM |
205 | // test: webserver.exe -p 2>&1 | grep -q 'missing port number' |
206 | // test: webserver.exe -p -1 2>&1 | grep -q 'incorrect port number' | |
295b1e68 LM |
207 | // test: webserver.exe -s 2>&1 | grep -q 'missing server name' |
208 | // test: webserver.exe -r 2>&1 | grep -q 'missing directory name' | |
7d4815a1 LM |
209 | // test: webserver.exe > test.log & pid=$!; sleep 1; kill -QUIT $pid; grep -q 'Listening socket on port 8080' test.log |
210 | // test: webserver.exe -p 8000 > test.log & pid=$!; sleep 1; kill -ABRT $pid; grep -q 'Listening socket on port 8000' test.log | |
295b1e68 LM |
211 | // test: webserver.exe -c iso-8859-1 -r webroot -s localhost & pid=$!; sleep 1; curl http://localhost:8080/index.html -v > test; kill -TERM $pid; grep -q '<title>Test</title>' test |
212 | ||
8512671a LM |
213 | |
214 | /* vim: set ts=4 sw=4 et: */ |