diff options
Diffstat (limited to '')
-rw-r--r-- | libraries/elementary/src/bin/run.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libraries/elementary/src/bin/run.c b/libraries/elementary/src/bin/run.c new file mode 100644 index 0000000..ebd9833 --- /dev/null +++ b/libraries/elementary/src/bin/run.c | |||
@@ -0,0 +1,160 @@ | |||
1 | #include "elementary_config.h" | ||
2 | #include <stdio.h> | ||
3 | #include <stdlib.h> | ||
4 | #include <errno.h> | ||
5 | #include <string.h> | ||
6 | #include <limits.h> | ||
7 | #include <sys/types.h> | ||
8 | #include <sys/socket.h> | ||
9 | #include <sys/un.h> | ||
10 | #include <unistd.h> | ||
11 | #include <sys/stat.h> | ||
12 | #include <fcntl.h> | ||
13 | #ifdef HAVE_ALLOCA_H | ||
14 | # include <alloca.h> | ||
15 | #endif | ||
16 | |||
17 | #define LENGTH_OF_SOCKADDR_UN(s) (strlen((s)->sun_path) + (size_t)(((struct sockaddr_un *)NULL)->sun_path)) | ||
18 | |||
19 | int | ||
20 | main(int argc, char **argv) | ||
21 | { | ||
22 | int sock, socket_unix_len, i; | ||
23 | struct sockaddr_un socket_unix; | ||
24 | char buf[PATH_MAX]; | ||
25 | struct stat st; | ||
26 | char *exe; | ||
27 | int we_are_elementary_run = 0; | ||
28 | char *disp; | ||
29 | char *cwd; | ||
30 | |||
31 | int sargc, slen; | ||
32 | unsigned char *sbuf = NULL, *pos; | ||
33 | char **sargv = NULL; | ||
34 | |||
35 | if (!getcwd(buf, sizeof(buf) - 1)) | ||
36 | { | ||
37 | fprintf(stderr, "elementary_quicklaunch: currect working dir too big.\n"); | ||
38 | exit(-1); | ||
39 | } | ||
40 | cwd = strdup(buf); | ||
41 | if (!(disp = getenv("DISPLAY"))) | ||
42 | { | ||
43 | fprintf(stderr, "elementary_quicklaunch: DISPLAY env var not set\n"); | ||
44 | exit(-1); | ||
45 | } | ||
46 | snprintf(buf, sizeof(buf), "/tmp/elm-ql-%i/%s", getuid(), disp); | ||
47 | if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) | ||
48 | { | ||
49 | perror("elementary_quicklaunch: socket(AF_UNIX, SOCK_STREAM, 0)"); | ||
50 | exit(-1); | ||
51 | } | ||
52 | socket_unix.sun_family = AF_UNIX; | ||
53 | strncpy(socket_unix.sun_path, buf, sizeof(socket_unix.sun_path)); | ||
54 | socket_unix_len = LENGTH_OF_SOCKADDR_UN(&socket_unix); | ||
55 | if (connect(sock, (struct sockaddr *)&socket_unix, socket_unix_len) < 0) | ||
56 | { | ||
57 | perror("elementary_quicklaunch: connect(sock, (struct sockaddr *)&socket_unix, socket_unix_len)"); | ||
58 | printf("elementary_quicklaunch: cannot connect to socket '%s'\n", buf); | ||
59 | exit(1); | ||
60 | } | ||
61 | exe = argv[0]; | ||
62 | if (!(((exe[0] == '/')) || | ||
63 | ((exe[0] == '.') && (exe[1] == '/')) || | ||
64 | ((exe[0] == '.') && (exe[1] == '.') && (exe[2] == '/')))) | ||
65 | { | ||
66 | char *path = getenv("PATH"); | ||
67 | int exelen = strlen(argv[0]); | ||
68 | if (path) | ||
69 | { | ||
70 | const char *p, *pp; | ||
71 | |||
72 | p = path; | ||
73 | pp = p; | ||
74 | exe = NULL; | ||
75 | for (;;) | ||
76 | { | ||
77 | if ((*p == ':') || (!*p)) | ||
78 | { | ||
79 | unsigned int len; | ||
80 | |||
81 | len = p - pp; | ||
82 | if (len < (sizeof(buf) - exelen - 3)) | ||
83 | { | ||
84 | strncpy(buf, pp, len); | ||
85 | strcpy(buf + len, "/"); | ||
86 | strcpy(buf + len + 1, argv[0]); | ||
87 | if (!access(buf, R_OK | X_OK)) | ||
88 | { | ||
89 | exe = buf; | ||
90 | break; | ||
91 | } | ||
92 | if (!*p) break; | ||
93 | p++; | ||
94 | pp = p; | ||
95 | } | ||
96 | } | ||
97 | else | ||
98 | { | ||
99 | if (!*p) break; | ||
100 | p++; | ||
101 | } | ||
102 | } | ||
103 | } | ||
104 | } | ||
105 | if (exe) | ||
106 | { | ||
107 | if (!lstat(exe, &st)) | ||
108 | { | ||
109 | if (S_ISLNK(st.st_mode)) | ||
110 | { | ||
111 | char buf2[PATH_MAX]; | ||
112 | |||
113 | ssize_t len = readlink(exe, buf2, sizeof(buf2) - 1); | ||
114 | if (len >= 0) | ||
115 | { | ||
116 | char *p; | ||
117 | buf2[len] = 0; | ||
118 | p = strrchr(buf2, '/'); | ||
119 | if (p) p++; | ||
120 | else p = buf2; | ||
121 | if (!strncasecmp(p, "elementary_run", 14)) | ||
122 | we_are_elementary_run = 1; | ||
123 | } | ||
124 | } | ||
125 | } | ||
126 | } | ||
127 | if (we_are_elementary_run) | ||
128 | { | ||
129 | sargc = argc; | ||
130 | sargv = argv; | ||
131 | } | ||
132 | else | ||
133 | { | ||
134 | sargc = argc - 1; | ||
135 | sargv = &(argv[1]); | ||
136 | } | ||
137 | slen = sizeof(unsigned long) + sizeof(unsigned long); | ||
138 | for (i = 0; i < sargc; i++) | ||
139 | { | ||
140 | slen += sizeof(unsigned long); | ||
141 | slen += strlen(sargv[i]) + 1; | ||
142 | } | ||
143 | slen += strlen(cwd) + 1; | ||
144 | sbuf = alloca(slen); | ||
145 | ((unsigned long *)(sbuf))[0] = slen - sizeof(unsigned long); | ||
146 | ((unsigned long *)(sbuf))[1] = sargc; | ||
147 | pos = (unsigned char *)(&((((unsigned long *)(sbuf))[2 + sargc]))); | ||
148 | for (i = 0; i < sargc; i++) | ||
149 | { | ||
150 | ((unsigned long *)(sbuf))[2 + i] = | ||
151 | (unsigned long)pos - ((unsigned long)sbuf + sizeof(unsigned long)); | ||
152 | strcpy((char *)pos, sargv[i]); | ||
153 | pos += strlen(sargv[i]) + 1; | ||
154 | } | ||
155 | strcpy((char *)pos, cwd); | ||
156 | if (write(sock, sbuf, slen) < 0) | ||
157 | printf("elementary_quicklaunch: cannot write to socket '%s'\n", buf); | ||
158 | close(sock); | ||
159 | return 0; | ||
160 | } | ||