diff options
author | Thomas Haller <thaller@redhat.com> | 2020-08-13 09:53:30 +0200 |
---|---|---|
committer | Thomas Haller <thaller@redhat.com> | 2020-08-13 09:54:41 +0200 |
commit | 717b0f71e10021b62e1b11fbc1135767b57df882 (patch) | |
tree | faead53bee70612156508ae28bbf4f840f0ccb38 /shared | |
parent | 52af5e901e4e5e7727ae83db18a37730b5f898fe (diff) | |
parent | 7e747c950efd78eb6036993f00b71e5fc737748f (diff) | |
download | NetworkManager-717b0f71e10021b62e1b11fbc1135767b57df882.tar.gz |
systemd: merge branch systemd into master
Diffstat (limited to 'shared')
-rw-r--r-- | shared/systemd/src/basic/extract-word.c | 25 | ||||
-rw-r--r-- | shared/systemd/src/basic/extract-word.h | 7 | ||||
-rw-r--r-- | shared/systemd/src/basic/strv.c | 52 | ||||
-rw-r--r-- | shared/systemd/src/basic/strv.h | 5 | ||||
-rw-r--r-- | shared/systemd/src/basic/user-util.h | 1 |
5 files changed, 77 insertions, 13 deletions
diff --git a/shared/systemd/src/basic/extract-word.c b/shared/systemd/src/basic/extract-word.c index 62f015f39a..72ad0490a0 100644 --- a/shared/systemd/src/basic/extract-word.c +++ b/shared/systemd/src/basic/extract-word.c @@ -88,25 +88,30 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra return -EINVAL; } - if (flags & EXTRACT_CUNESCAPE) { + if (flags & (EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS)) { bool eight_bit = false; char32_t u; - r = cunescape_one(*p, (size_t) -1, &u, &eight_bit, false); - if (r < 0) { - if (flags & EXTRACT_CUNESCAPE_RELAX) { - s[sz++] = '\\'; - s[sz++] = c; - } else - return -EINVAL; - } else { + if ((flags & EXTRACT_CUNESCAPE) && + (r = cunescape_one(*p, (size_t) -1, &u, &eight_bit, false)) >= 0) { + /* A valid escaped sequence */ + assert(r >= 1); + (*p) += r - 1; if (eight_bit) s[sz++] = u; else sz += utf8_encode_unichar(s + sz, u); - } + } else if ((flags & EXTRACT_UNESCAPE_SEPARATORS) && + strchr(separators, **p)) + /* An escaped separator char */ + s[sz++] = c; + else if (flags & EXTRACT_CUNESCAPE_RELAX) { + s[sz++] = '\\'; + s[sz++] = c; + } else + return -EINVAL; } else s[sz++] = c; diff --git a/shared/systemd/src/basic/extract-word.h b/shared/systemd/src/basic/extract-word.h index e2d433893a..f028577c40 100644 --- a/shared/systemd/src/basic/extract-word.h +++ b/shared/systemd/src/basic/extract-word.h @@ -7,9 +7,10 @@ typedef enum ExtractFlags { EXTRACT_RELAX = 1 << 0, EXTRACT_CUNESCAPE = 1 << 1, EXTRACT_CUNESCAPE_RELAX = 1 << 2, - EXTRACT_UNQUOTE = 1 << 3, - EXTRACT_DONT_COALESCE_SEPARATORS = 1 << 4, - EXTRACT_RETAIN_ESCAPE = 1 << 5, + EXTRACT_UNESCAPE_SEPARATORS = 1 << 3, + EXTRACT_UNQUOTE = 1 << 4, + EXTRACT_DONT_COALESCE_SEPARATORS = 1 << 5, + EXTRACT_RETAIN_ESCAPE = 1 << 6, } ExtractFlags; int extract_first_word(const char **p, char **ret, const char *separators, ExtractFlags flags); diff --git a/shared/systemd/src/basic/strv.c b/shared/systemd/src/basic/strv.c index 6f81213933..b7678a88c6 100644 --- a/shared/systemd/src/basic/strv.c +++ b/shared/systemd/src/basic/strv.c @@ -357,6 +357,58 @@ int strv_split_extract(char ***t, const char *s, const char *separators, Extract return (int) n; } + +int strv_split_colon_pairs(char ***t, const char *s) { + _cleanup_strv_free_ char **l = NULL; + size_t n = 0, allocated = 0; + int r; + + assert(t); + assert(s); + + for (;;) { + _cleanup_free_ char *first = NULL, *second = NULL, *tuple = NULL, *second_or_empty = NULL; + + r = extract_first_word(&s, &tuple, NULL, EXTRACT_UNQUOTE|EXTRACT_RETAIN_ESCAPE); + if (r < 0) + return r; + if (r == 0) + break; + + const char *p = tuple; + r = extract_many_words(&p, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, + &first, &second, NULL); + if (r < 0) + return r; + if (r == 0) + continue; + /* Enforce that at most 2 colon-separated words are contained in each group */ + if (!isempty(p)) + return -EINVAL; + + second_or_empty = strdup(strempty(second)); + if (!second_or_empty) + return -ENOMEM; + + if (!GREEDY_REALLOC(l, allocated, n + 3)) + return -ENOMEM; + + l[n++] = TAKE_PTR(first); + l[n++] = TAKE_PTR(second_or_empty); + + l[n] = NULL; + } + + if (!l) { + l = new0(char*, 1); + if (!l) + return -ENOMEM; + } + + *t = TAKE_PTR(l); + + return (int) n; +} #endif /* NM_IGNORED */ char *strv_join_prefix(char * const *l, const char *separator, const char *prefix) { diff --git a/shared/systemd/src/basic/strv.h b/shared/systemd/src/basic/strv.h index 2ad927bce5..e57dfff69b 100644 --- a/shared/systemd/src/basic/strv.h +++ b/shared/systemd/src/basic/strv.h @@ -80,6 +80,11 @@ char **strv_split_newlines(const char *s); int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags); +/* Given a string containing white-space separated tuples of words themselves separated by ':', + * returns a vector of strings. If the second element in a tuple is missing, the corresponding + * string in the vector is an empty string. */ +int strv_split_colon_pairs(char ***t, const char *s); + char *strv_join_prefix(char * const *l, const char *separator, const char *prefix); static inline char *strv_join(char * const *l, const char *separator) { return strv_join_prefix(l, separator, NULL); diff --git a/shared/systemd/src/basic/user-util.h b/shared/systemd/src/basic/user-util.h index acb6e573c4..50c61c11e0 100644 --- a/shared/systemd/src/basic/user-util.h +++ b/shared/systemd/src/basic/user-util.h @@ -107,6 +107,7 @@ typedef enum ValidUserFlags { bool valid_user_group_name(const char *u, ValidUserFlags flags); bool valid_gecos(const char *d); +char *mangle_gecos(const char *d); bool valid_home(const char *p); static inline bool valid_shell(const char *p) { |